Method for centering correction of super high layer measurement based on Beidou GNSS

Abstract

The embodiment of the application relates to the technical field of high-rise buildings, and discloses a method for measuring and correcting the center of an ultrahigh-rise building based on a Beidou GNSS, which comprises the following steps: obtaining the measurement coordinates of four corner points of a core tube on a horizontal plane corresponding to a target measurement height and the theoretical coordinates of the four corner points based on the Beidou GNSS; obtaining the correction coordinates of the four corner points based on the measurement coordinates of the four corner points and the theoretical coordinates of the four corner points; and correcting the positions of the four corner points of the core tube based on the correction coordinates of the four corner points. The Beidou GNSS measurement can be directly guided from a reference point to the target measurement height, and the cumulative error of the stage-by-stage transmission is avoided. The corner point positions of the core tube are corrected by using the Beidou GNSS measurement results, the deformation value and the swing frequency of the building body are corrected to the center, the perpendicularity of the building body is ensured, and the safety of the building body is improved.

Description

TECHNICAL FIELD

[0001] The embodiment of the application relates to the technical field of high-rise buildings, in particular to a method for correcting the centering of super-high-rise building measurement based on Beidou GNSS. BACKGROUND

[0002] In recent years, with the continuous development of economy and the increasing shortage of land resources, super-high-rise buildings, as a symbol of the economic and technological strength of countries and cities, are increasing in number. According to the Concrete Structure Engineering Construction Quality Acceptance Specification, the allowable deviation of the full-height verticality of cast-in-place concrete structures shall meet the standard of not more than H / 1000 and less than or equal to 30 mm. Therefore, how to accurately complete the vertical transmission of the plane control network of super-high-rise buildings has become a key point of the construction measurement work of super-high-rise buildings. In the prior art, the vertical transmission of the plane control network is often performed by using a plumb instrument method. However, with the increase of the floor height, the number of measurement transmissions from the reference point to the highest floor using the existing plumb instrument method is also increased, and therefore, cumulative errors are likely to occur, resulting in inaccurate vertical measurement. SUMMARY

[0003] The purpose of the application is to at least provide a method for correcting the centering of super-high-rise building measurement based on Beidou GNSS, which can at least solve the technical problem of inaccurate vertical measurement caused by multiple transmissions and at least achieve the technical effect of improving the accuracy of vertical measurement.

[0004] To solve the above technical problems, at least one embodiment of the present application provides a method for correcting the centering of super-high-rise building measurement based on Beidou GNSS, which comprises the following steps: obtaining the measurement coordinates of four corner points of a core tube on a horizontal plane corresponding to a target measurement height and the theoretical coordinates of the corner points based on Beidou GNSS; obtaining the correction coordinates of the corner points based on the measurement coordinates of the four corner points and the theoretical coordinates of the corner points; and correcting the positions of the four corner points of the core tube based on the correction coordinates of the corner points.

[0005] The present scheme directly measures from the reference point to the target measurement height based on Beidou GNSS, without the need for stage-by-stage transmission, thereby avoiding the cumulative errors caused by stage-by-stage transmission and achieving the technical effect of improving the accuracy of vertical measurement. Moreover, the positions of the corner points of the core tube are corrected based on the measurement results of Beidou GNSS, the deformation of the building body is corrected to the center, the verticality of the building body is ensured, and the safety of the building body is improved.

[0006] In some examples, the obtaining, based on the Beidou GNSS, of the measurement coordinates of the four corner points of the core tube on the horizontal plane corresponding to the target measurement height comprises: obtaining, by the Beidou GNSS, the measurement coordinates of the four corner points of the core tube on the horizontal plane corresponding to the target measurement height at a preset sampling interval within a preset time period, to obtain at least two measurement coordinates corresponding to each corner point; and calculating, based on a mean value method, the at least two measurement coordinates corresponding to each corner point to obtain the measurement coordinates corresponding to the corner point.

[0007] In some examples, the obtaining, based on the measurement coordinates of the four corner points and the theoretical coordinates of the corner points, of the correction coordinates of the corner points comprises: determining the center point measurement coordinates of the core tube on the horizontal plane corresponding to the target measurement height based on the measurement coordinates of the four corner points; determining the center point theoretical coordinates of the core tube on the horizontal plane corresponding to the target measurement height based on the theoretical coordinates of the corner points; determining the center point deviation coordinates based on the center point measurement coordinates and the center point theoretical coordinates; determining the deviation weights of the corner points based on the measurement coordinates of the four corner points and the theoretical coordinates of the corner points; and determining the correction coordinates of the corner points based on the center point deviation coordinates and the deviation weights of the corner points.

[0008] In some examples, the correcting, based on the correction coordinates of the corner points, of the positions of the four corner points of the core tube comprises: determining, for each corner point, a correction scheme for correcting the position of the corner point layer by layer based on the correction coordinates of the corner point and a preset correction rule to obtain a correction scheme corresponding to the corner point, wherein the correction scheme at least includes a sub-scheme for correcting the position of the corner point on the horizontal plane corresponding to the target measurement height; and correcting the position of the corner point based on the correction scheme corresponding to the corner point.

[0009] In some examples, the correction scheme corresponding to each corner point includes at least one sub-scheme, and one sub-scheme is a scheme for correcting the position of the corner point on the horizontal plane corresponding to a specified measurement height, and the sub-scheme includes a deviation correction theoretical coordinate. The correcting, based on the correction scheme corresponding to each corner point, of the position of the corner point comprises: for each sub-scheme in the at least one sub-scheme of each corner point, correcting the position of the corner point at the specified measurement height corresponding to the sub-scheme until the corrected correction measurement coordinates meet the deviation correction theoretical coordinate, and then stopping the execution of the sub-scheme.

[0010] In some examples, the determining, based on the measurement coordinates of the four corner points and the theoretical coordinates of the corner points, of the deviation weights of the corner points comprises: taking the difference between the measurement coordinates of each corner point and the theoretical coordinates of the corner point as the weight numerator of the corner point; adding the absolute values of the weight numerators corresponding to the corner points in the four corner points to obtain a sum as the weight denominator; and taking the ratio of the weight numerator of each corner point to the weight denominator as the deviation weight of the corner point.

[0011] In some examples, before acquiring the measured coordinates of the four corner points of the core tube on the horizontal plane corresponding to the target measurement height based on the Beidou GNSS, the method further comprises: when the target measurement height is equal to the preset height, performing the step of acquiring the measured coordinates of the four corner points of the core tube on the horizontal plane corresponding to the target measurement height based on the Beidou GNSS.

[0012] At least one embodiment of the present application also provides a device for correcting the centering of super-high layer measurement based on the Beidou GNSS, comprising: an acquisition unit configured to acquire measured coordinates of four corner points of a core tube on a horizontal plane corresponding to a target measurement height and theoretical coordinates of the four corner points based on the Beidou GNSS; the acquisition unit is further configured to acquire correction coordinates of the four corner points based on the measured coordinates of the four corner points and the theoretical coordinates of the four corner points; and a correction unit configured to correct the positions of the four corner points of the core tube based on the correction coordinates of the four corner points.

[0013] At least one embodiment of the present application also provides an electronic device, comprising: at least one processor; and a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to perform the method for correcting the centering of super-high layer measurement based on the Beidou GNSS described above.

[0014] At least one embodiment of the present application also provides a computer-readable storage medium storing a computer program, and the computer program is executed by a processor to implement the method for correcting the centering of super-high layer measurement based on the Beidou GNSS described above. BRIEF DESCRIPTION OF DRAWINGS

[0015] One or more embodiments are exemplified by the pictures in the drawings corresponding thereto, which do not constitute a limitation on the embodiments.

[0016] Figure 1 is a flowchart of a method for correcting the centering of super-high layer measurement based on the Beidou GNSS provided by one embodiment of the present application;

[0017] Figure 2 is a structural diagram of deploying the Beidou GNSS provided by one embodiment of the present application;

[0018] Figure 3 is a diagram of erecting the Beidou GNSS at the corner points provided by one embodiment of the present application;

[0019] Figure 4 is a flowchart of determining the correction coordinates provided by one embodiment of the present application;

[0020] Figure 5is a core tube in the 23rd floor corresponding to the target predicted height of the correction result schematic diagram provided by another embodiment of the application;

[0021] Figure 6 is a core tube in the 35th floor corresponding to the target predicted height of the correction result schematic diagram provided by an embodiment of the application;

[0022] Figure 7 is a core tube in the 45th floor corresponding to the target predicted height of the correction result schematic diagram provided by another embodiment of the application;

[0023] Figure 8 is a core tube in the 52nd floor corresponding to the target predicted height of the correction result schematic diagram provided by an embodiment of the application;

[0024] Figure 9 is a core tube concentricity deviation trend diagram with height provided by another embodiment of the application;

[0025] Figure 10 is a schematic diagram of the device for measuring and correcting the center of the super high-rise building based on the Beidou GNSS provided by another embodiment of the application;

[0026] Figure 11 is a structural schematic diagram of an electronic device provided by another embodiment of the application. DETAILED DESCRIPTION

[0027] To make the purposes, technical solutions and advantages of the embodiments of the application clearer, the embodiments of the application will be described in detail below with reference to the drawings. However, those skilled in the art can understand that in the embodiments of the application, many technical details are proposed in order to make the readers better understand the application. However, the technical solutions claimed by the application can be implemented even without these technical details and various changes and modifications based on the following embodiments. The division of the following embodiments is for the convenience of description, and should not constitute any limitation on the specific implementation of the application. The embodiments can be combined and referenced with each other without contradiction.

[0028] It should be noted that the obtaining or use of the data in the embodiments of the application needs to be agreed by the user, and the relevant data can be obtained only after the user's authorization and permission, and the obtaining or use of the data complies with the relevant legal regulations.

[0029] In order to facilitate the understanding of the embodiments of the application, the related content of the method for measuring and correcting the center of the super high-rise building based on the Beidou GNSS is introduced first.

[0030] In recent years, with the continuous development of economy and the increasingly tight land resources, super high-rise buildings, as a symbol of the economic and technological strength of countries and cities, are increasing in number. According to the Code for Acceptance of Construction Quality of Concrete Structures, the allowable deviation of the full height verticality of cast-in-place concrete structures shall meet the standard of not more than H / 1000 and ≤30mm. Therefore, how to accurately complete the vertical transmission of the plane control network of super high-rise buildings has become the key point of the construction measurement work of super high-rise buildings. In the prior art, the vertical transmission of the plane control network is often carried out by using a plumb instrument method. However, with the increase of the floor, the number of measurement transmission will also increase when using the existing plumb instrument method to carry out vertical measurement from the reference point to the highest floor, and therefore cumulative error is likely to occur, resulting in inaccurate vertical measurement.

[0031] In order to solve the technical problem of the traditional layered vertical measurement that is prone to cumulative error, the present application provides a method for super high-rise measurement centering correction based on Beidou GNSS. The implementation details of the method for super high-rise measurement centering correction based on Beidou GNSS of the present embodiment will be described in detail below. The following content is only provided for the implementation details for easy understanding, and is not necessary for implementing the present solution.

[0032] Embodiment one:

[0033] The method for super high-rise measurement centering correction based on Beidou GNSS of the present embodiment can be applied to electronic devices with communication, calculation and data storage capabilities. The specific process can be as shown in Figure 1 , which includes:

[0034] Step 110: Based on Beidou GNSS, the measurement coordinates of the four corner points of the core tube on the target measurement height corresponding horizontal plane and the theoretical coordinates of each corner point are obtained.

[0035] Specifically, centering measurement refers to effectively eliminating systematic errors caused by centering phenomenon in the measurement process through accurate measurement and scientific correction methods, thereby significantly improving the accuracy and reliability of the measurement results.

[0036] Specifically, GNSS (Global Navigation Satellite System) is a system for positioning, navigation and timing using satellites.

[0037] Specifically, the core tube refers to the lateral force resisting structure of a building, which is located in the central part of the building and is usually built with steel bars. The core tube can also be called an external sleeve.

[0038] Specifically, the target measurement height refers to the current topmost height of the core tube.

[0039] Specifically, the measured coordinates refer to the actual coordinates of the four corner points of the topmost horizontal plane of the currently built core tube in the standard coordinate system. The standard coordinate system takes the center point of the horizontal plane corresponding to the bottommost end of the core tube as the origin of the coordinate system, takes the north direction as the positive direction of the y-axis, and takes the east direction as the positive direction of the X-axis. The standard coordinate system can also be other coordinate systems, such as the Beidou coordinate system, or the geodetic coordinate system or other coordinate systems, which are not specifically limited in the present scheme, but regardless of the coordinate system, the coordinates proposed in the present scheme are all coordinates in the same coordinate system. If the coordinates are not in the same coordinate system, the coordinates in different coordinate systems need to be switched to the same coordinate system. The specific implementation process of coordinate switching can be referred to the prior art, which will not be described in detail here.

[0040] Specifically, the theoretical coordinates refer to the coordinates that the four corner points of the topmost horizontal plane of the currently built core tube should be in the standard coordinate system in theory or in an ideal state.

[0041] In some examples, the number of Beidou GNSS can be set according to actual needs. As shown in Figure 2 In the present scheme, it can be set to 6, one Beidou GNSS is arranged at each corner point of the core tube, and one Beidou GNSS is arranged at each reference station KZ1 and KZ5 on both sides of the core tube, and a Beidou GNSS control network is formed based on the six Beidou GNSS. The measured coordinates of each corner point are accurately measured based on the Beidou GNSS control network. Specifically, refer to Figure 3 The specific implementation of arranging one Beidou GNSS at each corner point of the core tube is to weld a measurement support on the corner column of the core tube and erect the Beidou GNSS on the measurement support.

[0042] Optionally, in embodiment one, the measured coordinates of each corner point are obtained only once, and in the foregoing step 110, the measured coordinates of the four corner points of the target measurement height corresponding horizontal plane of the core tube are obtained based on the Beidou GNSS, which includes obtaining the measured coordinates of the four corner points of the target measurement height corresponding horizontal plane of the core tube based on the Beidou GNSS once. Specifically, the measured coordinates of the four corner points of the target measurement height corresponding horizontal plane of the core tube are obtained based on the Beidou GNSS at the four corner points of the core tube once.

[0043] Optionally, in the second embodiment, it should be understood that the Beidou observation has the advantages of uniform control point precision, measurement precision that does not decrease with the increase of building height, all-weather operation, and no influence of line-of-sight obstruction. Moreover, the Beidou GNSS can measure the transmission to the roof at one time, avoiding error accumulation. However, the Beidou GNSS itself also has certain errors, and high-rise buildings are easily affected by crosswind, causing errors due to slight vibration. In order to eliminate such errors, the scheme also proposes to obtain multiple measurement coordinates of each corner point for each corner point to improve the accuracy of the obtained measurement coordinates. In the foregoing step 110, the measurement coordinates of the four corner points of the core tube on the target measurement height corresponding horizontal plane are obtained based on the Beidou GNSS, including: in a preset time period, the Beidou GNSS obtains the measurement coordinates of the four corner points of the core tube on the target measurement height corresponding horizontal plane according to a preset sampling interval, to obtain at least two measurement coordinates corresponding to each corner point; for each corner point, at least two measurement coordinates are calculated based on the mean value method to obtain the measurement coordinates corresponding to the corner point. Therefore, the multiple measurement coordinates obtained can more accurately reflect the measurement coordinates of each corner point.

[0044] Specifically, the length of the preset time period can be set according to actual needs, for example, it can be set to 2 hours, 3 hours or other values. The preset sampling interval can be set according to actual needs, for example, it can be set to 5 minutes, 10 minutes, 10 seconds, 5 seconds or other values.

[0045] Specifically, the preset sampling interval refers to the time interval between adjacent two data collection. For example, the collection time of the first time of the Beidou GNSS collecting the measurement coordinates of the four corner points of the core tube on the target measurement height corresponding horizontal plane is the first time, and the collection time of the second time of the Beidou GNSS collecting the measurement coordinates of the four corner points of the core tube on the target measurement height corresponding horizontal plane is the second time, and the time interval between the second time and the first time is the preset sampling interval.

[0046] Exemplarily, taking the use of 6 Beidou GNSS receivers for simultaneous operation for data collection as an example, among which, 2 Beidou GNSS are erected on the peripheral control points, and 4 Beidou GNSS are erected on the four corner column measurement supports of the core tube, in a preset time period of 8:00 to 10:00, the sampling interval (i.e. the time interval between two data collections) is set to 10 seconds, that is, the measurement coordinates of each corner point are collected every 10 seconds. Multiple measurement coordinates corresponding to each corner point are obtained.

[0047] In order to improve the measurement efficiency on the basis of meeting the measurement accuracy, in some examples, before the step of acquiring the measurement coordinates of the four corner points of the core tube on the horizontal plane corresponding to the target measurement height based on the Beidou GNSS in the foregoing step 110, the method further comprises: when the target measurement height is equal to the preset height, performing the step of acquiring the measurement coordinates of the four corner points of the core tube on the horizontal plane corresponding to the target measurement height based on the Beidou GNSS. When the target measurement height is not equal to the preset height, the vertical measurement is performed by using the internal control method to perform the vertical transmission of the plane control network. Therefore, when the target measurement height is equal to the preset height, the measurement coordinates are acquired based on the Beidou GNSS to accurately perform the vertical transmission of the plane control network, thereby improving the measurement accuracy. When the target measurement height is not equal to the preset height, the vertical measurement is performed by using the internal control method to perform the vertical transmission of the plane control network, and the vertical measurement based on the Beidou GNSS cannot be performed for a long time, thereby improving the measurement efficiency.

[0048] Specifically, the internal control method refers to laying a plane control network on the foundation slab of the super high-rise building, reserving a transmission hole at a corresponding position on the floor, and performing the vertical transmission of the plane control network by using the vertical line principle. The internal control method is divided into the wire hanging plummet method and the plumb instrument method. The plumb instrument method has small environmental influence, large surveying distance, high efficiency, and small error, and is the main method of the internal control method for the vertical transmission of the plane control network of the super high-rise building. Therefore, the plumb instrument method is recommended in the present scheme, and the commonly used instruments of the plumb instrument method include a laser theodolite, a laser plumb instrument, a plumb theodolite, and a laser plummet.

[0049] In some examples, the preset height can be set according to actual needs, or can be set according to the final height of the building. The preset height can include multiple height values, for example, the preset height can include 33 m, 63 m, 80 m, 100 m, 120 m, and 180 m. When the height of the core tube reaches any height value included in the preset height, the step of acquiring the measurement coordinates of the four corner points of the core tube on the horizontal plane corresponding to the target measurement height based on the Beidou GNSS can be performed.

[0050] In step 120, the correction coordinates of each corner point are acquired based on the measurement coordinates of the four corner points and the theoretical coordinates of each corner point.

[0051] Specifically, the X correction coordinate of the correction coordinate refers to the correction value that needs to be corrected in the X axis direction of the corresponding corner point; and the Y correction coordinate of the correction coordinate refers to the correction value that needs to be corrected in the Y axis direction of the corresponding corner point.

[0052] In some examples, referring to Figure 4In the step 120, the correction coordinates of the four corner points are obtained based on the measured coordinates of the four corner points and the theoretical coordinates of the four corner points, including: in step 1201, determining the measured coordinate of the center point of the core tube on the horizontal plane corresponding to the target measurement height based on the measured coordinates of the four corner points.

[0053] In some examples, the measured coordinate of the center point of the core tube on the horizontal plane corresponding to the target measurement height is determined based on the measured coordinates of the four corner points, including: calculating the measured coordinate of the center point of the core tube on the horizontal plane corresponding to the target measurement height by using the mean method based on the measured coordinates of the four corner points.

[0054] Specifically, the mean method refers to adding the values corresponding to the X coordinates of the plurality of corner points, dividing the sum by the number of the plurality of corner points to obtain the mean value corresponding to the X axis, adding the values corresponding to the Y coordinates of the plurality of corner points, and dividing the sum by the number of the plurality of corner points to obtain the mean value corresponding to the Y axis, and taking the mean value corresponding to the X axis as the value of the X coordinate of the center point measurement coordinate and taking the mean value corresponding to the Y axis as the value of the Y coordinate of the center point measurement coordinate.

[0055] In some examples, the measured coordinate of the center point of the core tube on the horizontal plane corresponding to the target measurement height is calculated by using the mean method based on the measured coordinates of the four corner points, including: adding the values of the X coordinates in the measured coordinates of the four corner points to obtain a first sum; taking the ratio of the first sum to 4 as the value of the X coordinate of the center point measurement coordinate; adding the values of the Y coordinates in the measured coordinates of the four corner points to obtain a second sum; and taking the ratio of the second sum to 4 as the value of the Y coordinate of the center point measurement coordinate.

[0056] Specifically, the ratio of the first sum to 4 is taken as the value of the X coordinate of the center point measurement coordinate, which can be seen from the following formula:

[0057]

[0058] wherein the sum of x 1测 +x 2测 +x 3测 +x 4测 is the first sum.

[0059] Specifically, the ratio of the second sum to 4 is taken as the value of the Y coordinate of the center point measurement coordinate, which can be seen from the following formula:

[0060]

[0061] wherein the sum of y 1测 +y 2测 +y 3测 +y 4测 is the second sum. The center point measurement coordinate is (Xcenter point measurement coordinate, Ycenter point measurement coordinate).

[0062] Exemplarily, taking the data in Table 1 as an example:

[0063] Table 1 Coordinates of four corner points

[0064]

[0065]

[0066] The four corner points of the core tube are W01, W02, W03 and W04 respectively. The calculation method of the value of the X coordinate of the center point measurement coordinate is as follows:

[0067] X center point measurement coordinate = (299809.6681 + 299787.3237 + 299805.9751 + 299828.3165) / 4 = 299807.8209 m.

[0068] The calculation method of the value of the Y coordinate of the center point measurement coordinate is as follows:

[0069] Y center point measurement coordinate = (101304.9822 + 101321.5566 + 101346.6913 + 101330.1328) / 4 = 101325.8407 m.

[0070] Wherein, the X center point measurement coordinate refers to the value of the X coordinate of the center point measurement coordinate, and the Y center point measurement coordinate refers to the value of the Y coordinate of the center point measurement coordinate.

[0071] Step 1202, based on the theoretical coordinates of each corner point, the center point theoretical coordinates of the core tube on the horizontal plane corresponding to the target measurement height are determined.

[0072] In some examples, based on the theoretical coordinates of each corner point, the center point theoretical coordinates of the core tube on the horizontal plane corresponding to the target measurement height are determined, including: using the mean method to calculate the theoretical coordinates of the four corner points to obtain the center point theoretical coordinates of the core tube on the horizontal plane corresponding to the target measurement height.

[0073] In some examples, using the mean method to calculate the theoretical coordinates of the four corner points to obtain the center point theoretical coordinates of the core tube on the horizontal plane corresponding to the target measurement height, including: adding the values of the X coordinates in the theoretical coordinates of the four corner points to obtain a third sum; taking the ratio of the third sum to 4 as the value of the X coordinate of the center point theoretical coordinates; adding the values of the Y coordinates in the theoretical coordinates of the four corner points to obtain a fourth sum; taking the ratio of the fourth sum to 4 as the value of the Y coordinate of the center point theoretical coordinates.

[0074] Specifically, taking the ratio of the third sum to 4 as the value of the X coordinate of the center point theoretical coordinates, which can be seen from the following formula:

[0075]

[0076] wherein the sum of x 1理 +x 2理 +x 3理 +x 4理 is the third sum.

[0077] Specifically, the ratio of the fourth sum to 4 is taken as the value of the Y coordinate of the center point theoretical coordinate, which can be seen from the following formula:

[0078]

[0079] wherein the sum of y 1理 +y 2理 +y 3理 +y 4理 is the fourth sum. The center point measured coordinate is (Xcenter point measured coordinate, Ycenter point measured coordinate).

[0080] Exemplarily, taking the data in the aforementioned Table 1 as an example, the calculation method of the value of the X coordinate of the center point theoretical coordinate can be seen from the following formula:

[0081] Xcenter point theoretical coordinate = (299809.663 + 299787.329 + 299805.967 + 299828.301) / 4 = 299807.815 m.

[0082] The calculation method of the value of the Y coordinate of the center point theoretical coordinate can be seen from the following formula:

[0083] Ycenter point theoretical coordinate = (101304.995 + 101321.549 + 101346.695 + 101330.142) / 4 = 101325.8453 m.

[0084] wherein the Xcenter point theoretical coordinate refers to the value of the X coordinate of the center point theoretical coordinate, and the Ycenter point theoretical coordinate refers to the value of the Y coordinate of the center point theoretical coordinate.

[0085] Step 1203, determining the center point deviation coordinate based on the center point measured coordinate and the center point theoretical coordinate.

[0086] Specifically, the center point deviation coordinate is used to describe the deviation of the center point measured coordinate from the center point theoretical coordinate.

[0087] In some examples, the step 1203 of determining the center point deviation coordinate based on the center point measured coordinate and the center point theoretical coordinate comprises: taking the difference between the X coordinate value of the center point measured coordinate and the X coordinate value of the center point theoretical coordinate as the X coordinate value of the center point deviation coordinate; and taking the difference between the Y coordinate value of the center point measured coordinate and the Y coordinate value of the center point theoretical coordinate as the Y coordinate value of the center point deviation coordinate.

[0088] In the above example, ΔXdev = measured X - theoretical X = +0.0059 m; and ΔYdev = measured Y - theoretical Y = -0.0046 m. Here, ΔXdev refers to the X coordinate value of the center point deviation coordinate; and ΔYdev refers to the Y coordinate value of the center point deviation coordinate.

[0089] The step 1204 comprises determining the deviation weight of each corner point based on the measured coordinates of the four corner points and the theoretical coordinates of the corner points.

[0090] In some examples, the step 1204 of determining the deviation weight of each corner point based on the measured coordinates of the four corner points and the theoretical coordinates of the corner points comprises: for each corner point, taking the difference between the measured coordinate of the corner point and the theoretical coordinate of the corner point as the weight numerator of the corner point; adding the absolute values of the weight numerators of the four corner points to obtain a weight denominator; and for each corner point, taking the ratio of the weight numerator of the corner point to the weight denominator as the deviation weight of the corner point.

[0091] In some examples, the deviation weight of each corner point comprises an X axis deviation weight and a Y axis deviation weight, and for each corner point, taking the difference between the measured coordinate of the corner point and the theoretical coordinate of the corner point as the weight numerator of the corner point comprises: for each corner point, taking the difference between the X coordinate value of the measured coordinate of the corner point and the X coordinate value of the theoretical coordinate of the corner point as an X coordinate difference, and taking the X coordinate difference as the weight numerator for calculating the X axis deviation weight of the corner point; and adding the absolute values of the weight numerators of the four corner points to obtain a weight denominator, which comprises: adding the absolute values of the weight numerators of the four corner points to obtain a sum, and taking the sum as the weight denominator for calculating the X axis deviation weight of each corner point; and for each corner point, taking the ratio of the weight numerator of the corner point to the weight denominator as the deviation weight of the corner point comprises: taking the ratio of the weight numerator of the X axis deviation weight of the corner point to the weight denominator of the X axis deviation weight as the X axis deviation weight of the corner point.

[0092] Specifically, the X axis deviation weight refers to the proportion of the deviation between the actual coordinate and the theoretical coordinate of a corner point on the X axis to the total sum of the deviations between the actual coordinates and the theoretical coordinates of all the corner points on the X axis, wherein the total sum of the deviations between the actual coordinates and the theoretical coordinates refers to the total sum of the absolute values of the deviations between the actual coordinates and the theoretical coordinates of the corner points.

[0093] Specifically, the Y-axis deviation weight of an angle point refers to the proportion of the deviation of the actual coordinate of the angle point on the Y-axis to the theoretical coordinate to the total sum of the deviations of the actual coordinates of all the angle points on the Y-axis to the theoretical coordinates, wherein the total sum of the deviations of the actual coordinates to the theoretical coordinates refers to the total sum of the absolute values of the deviations of the actual coordinates of the angle points to the theoretical coordinates.

[0094] Specifically, the ratio of the weight numerator of the X-axis deviation weight of an angle point to the weight denominator of the X-axis deviation weight is taken as the X-axis deviation weight of the angle point, which can be seen from the following formula:

[0095]

[0096] wherein, X 权，i refers to the X-axis deviation weight of the i-th angle point, ΔX i refers to the X coordinate difference value of the i-th angle point, ΔX j refers to the X coordinate difference value of the j-th angle point.

[0097] In some examples, the deviation weight of each angle point includes the Y-axis deviation weight and the Y-axis deviation weight, and for each angle point, the difference between the measured coordinate of the angle point and the theoretical coordinate of the angle point is taken as the weight numerator of the angle point, including: for each angle point, the value of the Y coordinate of the measured coordinate of the angle point is subtracted from the value of the Y coordinate of the theoretical coordinate of the angle point to obtain a Y coordinate difference value, and the Y coordinate difference value is taken as the weight numerator for calculating the Y-axis deviation weight of the angle point; the absolute values of the weight numerators of each angle point in the four angle points are added to obtain a sum, and the sum is taken as the weight denominator for calculating the Y-axis deviation weight of each angle point, including: the absolute values of the weight numerators of each angle point in the four angle points are added to obtain a sum, and the sum is taken as the weight denominator for calculating the Y-axis deviation weight of each angle point; and the ratio of the weight numerator of the angle point to the weight denominator of the angle point is taken as the deviation weight of the angle point, including: the ratio of the weight numerator of the Y-axis deviation weight of the angle point to the weight denominator of the Y-axis deviation weight is taken as the Y-axis deviation weight of the angle point.

[0098] Specifically, the ratio of the weight numerator of the Y-axis deviation weight of an angle point to the weight denominator of the Y-axis deviation weight is taken as the Y-axis deviation weight of the angle point, which can be seen from the following formula:

[0099]

[0100] wherein, Y 权，i refers to the Y-axis deviation weight of the i-th angle point, ΔY i refers to the Y coordinate difference value of the i-th angle point, ΔY j refers to the Y coordinate difference value of the j-th angle point.

[0101] Using the foregoing example, the calculation of the X-axis deviation weight and the Y-axis deviation weight of W01 in Table 1 is taken as an example for description:

[0102] X 权，W01= 0.005 / (|+0.005| + |0.008| + |0.016| + |0.005|) = 0.005 / 0.0340 = 0.1471.

[0103] Y 权，W01 = -0.013 / (|0.013| + |0.008| + |0.004| + |0.009|) = 0.013 / 0.034 = -0.3824.

[0104] Step 1205: Determine the correction coordinates of each corner point based on the center point deviation coordinates and the deviation weights of each corner point.

[0105] Specifically, the correction coordinates refer to the deviation values that each corner point should be corrected, specifically including the deviation values that each corner point needs to be corrected on the X-axis and the Y-axis.

[0106] In some examples, in the aforementioned step 1205, determining the correction coordinates of each corner point based on the center point deviation coordinates and the deviation weights of each corner point includes: for each corner point, multiplying the X-axis deviation weight of the corner point by the value of the X coordinate of the center point deviation coordinates as the value of the X-axis correction coordinate of the corner point; multiplying the Y-axis deviation weight of the corner point by the value of the Y coordinate of the center point deviation coordinates as the value of the Y-axis correction coordinate of the corner point; and forming the correction coordinates based on the value of the X-axis correction coordinate and the value of the Y-axis correction coordinate.

[0107] Among them, the value of the X-axis correction coordinate refers to the deviation value that the corner point needs to be corrected on the X-axis, and the value of the Y-axis correction coordinate refers to the deviation value that the corner point needs to be corrected on the Y-axis.

[0108] Continuing with the aforementioned example, taking the calculation of the correction coordinates of W01 in Table 1 as an example for illustration:

[0109] ΔX_corr,W01 = ΔX_dev × X 权，W01 = 0.0059 × 0.1471 ≈ +0.00089 m

[0110] ΔYcorr,W01 = ΔY_dev × Y 权，W01 = -0.0046 × (-0.3824) = +0.00176 m

[0111] Among them, ΔX_corr,W01 refers to the deviation value that W01 needs to be corrected on the X-axis, ΔYcorr,W01 refers to the deviation value that W01 needs to be corrected on the Y-axis, and (ΔX_corr,W01, ΔYcorr,W01) are the correction coordinates of W01. The positive and negative values of ΔX_corr,W01 and ΔYcorr,W01 indicate the correction direction. If it is positive, the position of the W01 corner point is corrected in the positive direction of the X-axis or Y-axis. If it is negative, the position of the W01 corner point is corrected in the negative direction of the X-axis or Y-axis.

[0112] In step 130, the positions of the four corner points of the core tube are corrected based on the corrected coordinates of the corner points.

[0113] In some examples, in the aforementioned step 130, the positions of the four corner points of the core tube are corrected based on the corrected coordinates of the corner points, which includes: for each corner point, determining a correction scheme for layer-by-layer correction of the position of the corner point based on the corrected coordinate of the corner point and a preset correction rule, to obtain a correction scheme corresponding to the corner point, wherein the correction scheme at least includes a sub-scheme for correcting the position of the corner point on the horizontal plane corresponding to the target measurement height; and correcting the position of the corner point based on the correction scheme corresponding to the corner point.

[0114] Specifically, the preset correction rule is determined based on the requirements of the Technical Specification for Concrete Structures of Tall Buildings (JGJ3-2010) and the Standard for Construction Surveying (JGJT408-2017), and specifically includes correction rule one and correction rule two.

[0115] Correction rule one is that when correcting the four corner points of the core tube, layer-by-layer correction is required, and the correction amount of each layer is ≤3mm.

[0116] Correction rule two is that when correcting the four corner points of the core tube, layer-by-layer correction is required, and the correction amount of each layer is ≤layer height / 1000” (for example, if the standard layer height of 10 layers is 5 meters, then the adjustment amount of each layer should not exceed 5mm). In this scheme, correction rule one is preferred.

[0117] In some examples, for each corner point, a correction scheme for layer-by-layer correction of the position of the corner point is determined based on the corrected coordinate of the corner point and correction rule one or correction rule two, to obtain a correction scheme corresponding to the corner point.

[0118] Exemplarily, referring to Table 2, the correction scheme of w02 core tube corner point is illustrated based on correction rule one.

[0119] Table 2, first correction gradient table

[0120]

[0121] As shown in Table 2, the correction scheme of w02 corner point includes two sub-schemes for the X axis, which are correcting 2mm in the X negative direction at 23 layers and correcting 2mm in the X negative direction at 24 layers. The correction scheme includes 11 sub-schemes for the Y axis, the specific contents of which are shown in Table 2, which will not be described in detail here.

[0122] Therefore, for the coordinate deviation of each corner point, the coordinate deviation of each corner point is corrected layer by layer, so that the coordinate deviation of each corner point is gradually reduced layer by layer, and the ideal coordinate is approached, avoiding the problem that the correction range of the core tube is too large due to the one-time correction of the coordinate deviation of each corner point, resulting in building deformation or excessive correction difficulty.

[0123] In some examples, in order to save resources and time for correcting the core tube, the preset correction rule also includes correction rule three and correction rule four, which are determined based on the allowable error of the core tube corresponding to the height in the specification requirements of JGJ3-2010 Technical Code for High-rise Concrete Structures and JGJT408-2017 Standard for Building Construction Measurement. See Table 3 for details:

[0124] Table 3: Allowable error corresponding to height

[0125]

[0126]

[0127] In the present scheme, the method of measuring and correcting the center of the super high-rise building based on Beidou GNSS is proposed for the building super high-rise building, and the super high-rise building is usually more than 200m. Therefore, the correction rule three and the correction rule four in the present scheme are determined based on the allowable error of the X coordinate and the Y coordinate of the center point deviation coordinate, and H>200 and ≤30mm. H is the target measurement height. The allowable error corresponding to the height can be determined for the correction rule of the core tube corresponding to the height. Here, it is not necessary to illustrate one by one.

[0128] Correction rule three: if the value of the X coordinate of the center point deviation coordinate or the value of the Y coordinate of the center point deviation coordinate is greater than 3 times the target measurement height / 10000, or the value of the X coordinate of the center point deviation coordinate or the value of the Y coordinate of the center point deviation coordinate is greater than 30mm, layer-by-layer correction is performed, and the correction amount of each layer is ≤3mm.

[0129] Correction rule four: if the value of the X coordinate of the center point deviation coordinate or the value of the Y coordinate of the center point deviation coordinate is greater than 3 times the target measurement height / 10000, or the value of the X coordinate of the center point deviation coordinate or the value of the Y coordinate of the center point deviation coordinate is greater than 30mm, layer-by-layer correction is performed, and the correction amount of each layer is ≤layer height / 1000 (for example, if the standard layer height of 10 layers is 5 meters, the adjustment amount of each layer should not exceed 5mm). In the present scheme, the correction rule three is preferred.

[0130] In some examples, before the step 130 of correcting the positions of the four corner points of the core tube based on the corrected coordinates of the corner points, the method further comprises: detecting whether the value of the X coordinate or the value of the Y coordinate of the center point deviation coordinate is greater than 30 mm, or whether the value of the X coordinate or the value of the Y coordinate of the center point deviation coordinate is greater than the target measurement height / 10000, and if so, performing the step of determining the correction scheme of each corner point based on the third correction rule or the fourth correction rule.

[0131] Exemplarily, referring to Table 4, the correction scheme of w02 based on the third correction rule is described taking the w02 core tube corner point as an example.

[0132] Table 4, second deviation correction gradient table

[0133]

[0134]

[0135] As shown in Table 4, the correction scheme of the w02 corner point includes two sub-schemes for the X axis, which are respectively correcting 2 mm in the X negative direction at the 23rd floor and correcting 2 mm in the X negative direction at the 24th floor. The correction scheme includes 11 sub-schemes for the Y axis, and the specific content is shown in Table 2, which will not be described in detail here.

[0136] In some examples, the method further comprises: when the core tube is built at the height corresponding to the tenth floor, the steel beam connection node of the core tube needs to be reserved with a preset length of adjustment amount to ensure that the positions of the four corner points of the core tube can be corrected based on the corrected coordinates of the corner points. The preset length can be set according to actual needs, for example, it can be set to 10 mm, 12 mm or other values, and the preset length is preferably 10 mm.

[0137] Therefore, the layered deviation correction method based on the present scheme can gradually correct the accumulated deviation to within the specification limit under the premise of ensuring the safety of the core tube structure, and ensure that the construction precision of the subsequent floors is consistent with the theoretical coordinates.

[0138] In some examples, for each corner point, the corresponding correction scheme includes at least one sub-scheme, and one sub-scheme is a scheme for correcting the position of the corner point on the horizontal plane corresponding to the specified measurement height. The sub-scheme includes a deviation correction theoretical coordinate. The position of the corner point is corrected based on the corresponding correction scheme of the corner point, which comprises: for each sub-scheme in the at least one sub-scheme of each corner point, the position of the corner point is corrected at the specified measurement height corresponding to the sub-scheme, and the execution of the sub-scheme is stopped until the corrected measurement coordinate after the correction meets the deviation correction theoretical coordinate.

[0139] If the measured coordinate of the w02 corner point on the X axis is 299787.3237, the w02 corner point is at the 23rd floor, and the sub-scheme of correcting 2mm in the X negative direction is executed, then after correction, it is necessary to determine whether the current measured coordinate is 299787.3257. If yes, stop executing the sub-scheme, and continue to execute the sub-scheme of correcting 2mm in the X negative direction at the 24th floor. If no, again carry out the deviation correction until the current measured coordinate at the 23rd floor is 299787.3257.

[0140] It should be understood that the building is affected by wind, temperature, sunlight, etc. and the flexible swing of the steel structure has a great influence on the vertical transmission of the axis, and the vertical deviation of the structure directly affects the stress condition of the project, so the overall accuracy of the plane control network is particularly important for the construction of safe high-rise buildings. The present scheme mainly uses the centering measurement method to correct the plane control network of the super high-rise building. Specifically, at a non-target measurement height, a laser vertical instrument with an accuracy of 1 / 200000 is selected, and a zenith projection method combined with a phased transmission method is used to vertically transmit the plane control network. At the target measurement height, the Beidou GNSS static positioning measurement technology is used to correct the centering measurement of the main building conversion layer control points. The Beidou GNSS can be used to measure from the reference point to the target measurement height at one time, without the need for phased transmission, avoiding the cumulative error of phased transmission. Therefore, the measurement coordinates based on Beidou GNSS are used to correct the positions of each corner point of the core tube to ensure the accuracy of the plane control network. Among them, the horizontal plane of the top end of the core tube should be parallel to the plane control network set at the building site, that is, the vertical transmission of the plane control network is realized.

[0141] The theoretical coordinates of each corner point and the corrected coordinates of each corner point, as well as the verification deviation of the corrected coordinates of each corner point and the theoretical coordinates can be seen in the following Tables 5, 6, 7, and 8. Among them, W01, W02, W03, and W04 are the four corner points of the core tube. Table 5 records the corrected coordinates and the theoretical coordinates of the target measurement height corresponding to the 23rd floor; Table 6 records the corrected coordinates and the theoretical coordinates of the target measurement height corresponding to the 35th floor; Table 7 records the corrected coordinates and the theoretical coordinates of the target measurement height corresponding to the 45th floor; and Table 8 records the corrected coordinates and the theoretical coordinates of the target measurement height corresponding to the 52nd floor.

[0142] Table 5: Beidou GNSS measurement results of the 23rd floor

[0143]

[0144] Table 6: Beidou GNSS measurement results of the 35th floor

[0145]

[0146]

[0147] Table 745 Layer Beidou GNSS Measurement Results Table

[0148]

[0149] Table 852 Layer Beidou GNSS Measurement Results Table

[0150]

[0151] Specifically, based on the data in Table 5, the correction results of the core tube corresponding to the target predicted height of the 23rd layer are obtained, that is, the concentricity deviation degree of the core tube at the target predicted height corresponding to the 23rd layer is obtained. Combined with Figure 5 , the core tube structure after correcting the position rotates counterclockwise as a whole, the maximum rotation angle is 1'42", the core tube concentricity coordinate X direction deviates north by 6mm, Y direction deviates west by 0mm, the overall concentricity deviates north by 6mm. If the floor surface elevation of the 23rd floor is 107.650m, the concentricity deviation degree is 1:17941.

[0152] Based on the data in Table 6, the correction results of the core tube corresponding to the target predicted height of the 35th layer are obtained, that is, the concentricity deviation degree of the core tube at the target predicted height corresponding to the 35th layer is obtained. Combined with Figure 6 , the core tube structure after correcting the position rotates clockwise as a whole, the maximum rotation angle is 46", the core tube concentricity coordinate X direction deviates north by 12mm, Y direction deviates west by 0mm, the overall concentricity deviates north by 12mm. If the floor surface elevation of the 35th floor is 160.850m, the concentricity deviation degree is 1:13404.

[0153] Based on the data in Table 7, the correction results of the core tube corresponding to the target predicted height of the 45th layer are obtained, that is, the concentricity deviation degree of the core tube at the target predicted height corresponding to the 45th layer is obtained. Combined with Figure 7 , the core tube structure after correcting the position rotates clockwise as a whole, the maximum rotation angle is 1'8", the core tube concentricity coordinate X direction deviates south by 7mm, Y direction deviates west by 1mm, the overall concentricity deviates southwest direction by 7mm. If the floor surface elevation of the 45th floor is 205.950m, the concentricity deviation degree is 1:29421.

[0154] Based on the data in Table 8, the correction results of the core tube corresponding to the target predicted height of the 52nd layer are obtained, that is, the concentricity deviation degree of the core tube at the target predicted height corresponding to the 52nd layer is obtained. Combined with Figure 8 , the core tube structure after correcting the position rotates clockwise as a whole, the maximum rotation angle is 1'38", the core tube concentricity coordinate X direction deviates north by 6mm, Y direction deviates west by 14mm, the overall concentricity deviates northwest direction by 15mm, if the floor surface elevation of the 52nd floor is 237.150m, the concentricity deviation degree is 1:15810.

[0155] Referring to Figure 9 , Figure 9 Based on the data in Table 5, Table 6, Table 7 and Table 8, the deviation change of the core tube with height is calculated, and the dotted line represents the concentricity deviation after linear fitting. According to Figure 9 It can be seen that based on the centering method of the corner points of the core tube by Beidou GNSS, the position error of each corner point is controlled within ± 15mm, effectively eliminating the cumulative error of measurement, and ensuring that the construction measurement accuracy meets the allowable deviation requirements of the Concrete Structure Engineering Construction Quality Acceptance Specification (GB50204). Compared with the traditional verticality measurement, the error is reduced by 63%, which provides reliable technical support for the axis transmission of super high-rise buildings.

[0156] In some examples, in order to verify whether the corrected coordinates of each corner point meet the allowable deviation requirements of the Concrete Structure Engineering Construction Quality Acceptance Specification (GB50204), two verification calculation methods are proposed, which are verification calculation method one and verification calculation method two.

[0157] Verification calculation method one: the method further comprises: obtaining the corrected coordinates and theoretical coordinates of each corner point; determining the center point verification deviation of the core tube based on the corrected coordinates and theoretical coordinates of each corner point; obtaining the target measurement height corresponding to the corrected coordinates; calculating the concentricity deviation of the core tube based on the target measurement height and the center point verification deviation; determining whether the position of the corrected core tube meets the acceptance specification based on the concentricity deviation.

[0158] Specifically, the theoretical coordinates refer to the ideal coordinates of each corner point at the target measurement height, i.e. the position that each corner point should be in. It can also be understood that if each corner point of the core tube is at the theoretical coordinates, the plane control network has been accurately transmitted without error.

[0159] Specifically, the acceptance specification is the Concrete Structure Engineering Construction Quality Acceptance Specification.

[0160] In some examples, in the aforementioned verification calculation method one, the center point verification deviation of the core tube is determined based on the corrected coordinates and the theoretical coordinates of the corner points, including: determining the corrected coordinates of the center point of the core tube based on the corrected coordinates of the corner points; determining the theoretical coordinates of the center point of the core tube based on the theoretical coordinates of the corner points; and determining the center point verification deviation based on the corrected coordinates of the center point and the theoretical coordinates of the center point. Specifically, the corrected coordinates of the center point of the core tube are determined based on the corrected coordinates of the corner points, including: taking the ratio of the sum of the X coordinate values of the corrected coordinates of the corner points to 4 as the X coordinate value of the corrected coordinates of the center point; and taking the ratio of the sum of the Y coordinate values of the corrected coordinates of the corner points to 4 as the Y coordinate value of the corrected coordinates of the center point. Specifically, the theoretical coordinates of the center point of the core tube are determined based on the theoretical coordinates of the corner points, including: taking the ratio of the sum of the X coordinate values of the theoretical coordinates of the corner points to 4 as the X coordinate value of the theoretical coordinates of the center point; and taking the ratio of the sum of the Y coordinate values of the theoretical coordinates of the corner points to 4 as the Y coordinate value of the theoretical coordinates of the center point. Specifically, the center point verification deviation includes an x verification deviation value and a y verification deviation value, and the center point verification deviation is determined based on the corrected coordinates of the center point and the theoretical coordinates of the center point, including: taking the difference between the X coordinate value of the corrected coordinates of the center point and the X coordinate value of the theoretical coordinates of the center point as the x verification deviation value; and taking the difference between the Y coordinate value of the corrected coordinates of the center point and the Y coordinate value of the theoretical coordinates of the center point as the y verification deviation value.

[0161] In some examples, in the aforementioned verification calculation method one, the center point verification deviation includes an x verification deviation value and a y verification deviation value, and the concentricity deviation degree of the core tube is calculated based on the target measurement height and the center point verification deviation, including: determining a total deviation based on the x verification deviation value and the y verification deviation value; and taking the ratio of the total deviation to the target measurement height as the concentricity deviation degree of the core tube, wherein the total deviation and the target measurement height have the same unit, such as m or mm. Specifically, the sum of the square of the x verification deviation value and the square of the y verification deviation value is obtained, and the value of the square root of the sum is taken as the total deviation.

[0162] Verification calculation method two: the method further includes: obtaining the corrected coordinates and the theoretical coordinates of the corner points; determining the corner point verification deviation of each corner point based on the corrected coordinates and the theoretical coordinates of the corner points; obtaining the target measurement height corresponding to the corrected coordinates; calculating the concentricity deviation degree of the core tube based on the target measurement height and the corner point verification deviation; and determining whether the position of the corrected core tube meets the acceptance specification based on the concentricity deviation degree.

[0163] In some examples, in the second verification calculation method, the corner point verification deviation includes an x corner point verification deviation value and a y corner point verification deviation value, and the corner point verification deviation of each corner point is determined based on the corrected coordinates and the theoretical coordinates of each corner point, including: for each corner point, the difference between the X coordinate value of the corrected coordinates of the corner point and the X coordinate value of the theoretical coordinates of the corner point is taken as the x corner point verification deviation value of the corner point; and the difference between the Y coordinate value of the corrected coordinates of the corner point and the Y coordinate value of the theoretical coordinates of the corner point is taken as the y corner point verification deviation value of the corner point.

[0164] In some examples, in the second verification calculation method, the corner point verification deviation includes an x corner point verification deviation value and a y corner point verification deviation value, and the concentricity deviation degree of the core tube is calculated based on the target measurement height and the corner point verification deviation, including: the four x corner point verification deviation values are added to obtain a first sum, and the four y corner point verification deviation values are added to obtain a second sum; the square of one quarter of the first sum and the square of one quarter of the second sum are added to obtain a square sum; the square root of the square sum is taken to obtain a total deviation; and the ratio of the total deviation to the target measurement height is taken as the concentricity deviation degree of the core tube.

[0165] In the first verification calculation method and the second verification calculation method, whether the position of the corrected core tube meets the acceptance specification is determined based on the concentricity deviation degree, including: if the concentricity deviation degree meets the concentricity deviation degree range specified in the acceptance specification, the position of the corrected core tube is considered to meet the acceptance specification.

[0166] In summary, the present scheme obtains the measurement coordinates of the four corner points of the core tube at the target measurement height and the theoretical coordinates of each corner point based on the Beidou GNSS; obtains the corrected coordinates of each corner point based on the measurement coordinates of the four corner points and the theoretical coordinates of each corner point; and corrects the positions of the four corner points of the core tube based on the corrected coordinates of each corner point. The Beidou GNSS measurement can directly measure from the reference point to the target measurement height without stage transfer, avoiding the cumulative error of stage transfer, and the corner point positions of the core tube are corrected using the Beidou GNSS measurement results, so that the deformation value and the swing frequency of the building body are corrected, the perpendicularity of the building body is ensured, and the safety of the building body is improved.

[0167] Embodiment two:

[0168] Another embodiment of the present application relates to a Beidou GNSS-based super-high building measurement centering correction device, and the implementation details of the Beidou GNSS-based super-high building measurement centering correction device of the present embodiment will be specifically described below. The following content is only provided for the implementation details for easy understanding, and is not necessary for implementing the present scheme. The schematic diagram of the Beidou GNSS-based super-high building measurement centering correction device 70 of the present embodiment can be as shown in Figure 10As shown, the apparatus includes an acquisition unit 701 and a correction unit 702.

[0169] The acquisition unit 701 is configured to acquire, based on the Beidou GNSS, measurement coordinates of four corner points of the core tube on a horizontal plane corresponding to a target measurement height and theoretical coordinates of the four corner points.

[0170] The acquisition unit 701 is further configured to acquire, based on the measurement coordinates of the four corner points and the theoretical coordinates of the four corner points, correction coordinates of the four corner points.

[0171] The correction unit 702 is configured to correct positions of the four corner points of the core tube based on the correction coordinates of the four corner points.

[0172] In some examples, when the acquisition unit 701 is configured to acquire, based on the Beidou GNSS, measurement coordinates of four corner points of the core tube on a horizontal plane corresponding to a target measurement height, the acquisition unit 701 is specifically configured to: acquire, by the Beidou GNSS, the measurement coordinates of the four corner points of the core tube on the horizontal plane corresponding to the target measurement height at a preset sampling interval within a preset time period, to obtain at least two measurement coordinates corresponding to each corner point; and calculate, based on a mean value method, the at least two measurement coordinates for each corner point to obtain a measurement coordinate corresponding to the corner point.

[0173] In some examples, when the acquisition unit 701 is configured to acquire, based on the measurement coordinates of the four corner points and the theoretical coordinates of the four corner points, correction coordinates of the four corner points, the acquisition unit 701 is specifically configured to: determine a center point measurement coordinate of the core tube on the horizontal plane corresponding to the target measurement height based on the measurement coordinates of the four corner points; determine a center point theoretical coordinate of the core tube on the horizontal plane corresponding to the target measurement height based on the theoretical coordinates of the four corner points; determine a center point deviation coordinate based on the center point measurement coordinate and the center point theoretical coordinate; determine a deviation weight of each corner point based on the measurement coordinates of the four corner points and the theoretical coordinates of the four corner points; and determine the correction coordinates of each corner point based on the center point deviation coordinate and the deviation weight of each corner point.

[0174] In some examples, when the correction unit 702 is configured to correct positions of the four corner points of the core tube based on the correction coordinates of the four corner points, the correction unit 702 is specifically configured to: for each corner point, determine a correction scheme for layer-by-layer correction of the position of the corner point based on the correction coordinate of the corner point and a preset correction rule, to obtain a correction scheme corresponding to the corner point, wherein the correction scheme at least includes a sub-scheme for correcting the position of the corner point on the horizontal plane corresponding to the target measurement height; and correct the position of the corner point based on the correction scheme corresponding to the corner point.

[0175] In some examples, for each corner point, the corresponding correction scheme includes at least one sub-scheme. A sub-scheme is a scheme to correct the position of the corner point on a horizontal surface corresponding to a specified measurement height. The sub-scheme includes the correction theory coordinates. When the correction unit 702 is used to correct the position of the corner point based on the correction scheme corresponding to each corner point, it is specifically used to: for each sub-scheme in at least one sub-scheme for each corner point, correct the position of the corner point at the specified measurement height corresponding to the sub-scheme, until the corrected measurement coordinates conform to the correction theory coordinates and then stop executing the sub-scheme.

[0176] In some examples, the acquisition unit 701, when used to determine the deviation weight of each corner point based on the measured coordinates and theoretical coordinates of the four corner points, is specifically used as follows: for each corner point, the difference between the measured coordinates and the theoretical coordinates of the corner point is used as the weight numerator of the corner point; the absolute values ​​of the corresponding weight numerators of the four corner points are added together and the sum is used as the weight denominator; for each corner point, the ratio of the weight numerator to the weight denominator is used as the deviation weight of the corner point.

[0177] In some examples, the aforementioned acquisition unit 701, before acquiring the measurement coordinates of the four corner points of the core tube on the horizontal plane corresponding to the target measurement height based on BeiDou GNSS, is further configured to: when the target measurement height is equal to a preset height, execute the step of acquiring the measurement coordinates of the four corner points of the core tube on the horizontal plane corresponding to the target measurement height based on BeiDou GNSS.

[0178] It is worth mentioning that all modules involved in this embodiment are logical modules. In practical applications, a logical unit can be a physical unit, a part of a physical unit, or a combination of multiple physical units. Furthermore, to highlight the innovative aspects of this application, this embodiment does not introduce units that are not closely related to solving the technical problems proposed in this application; however, this does not mean that other units are absent in this embodiment.

[0179] Example 3:

[0180] Another embodiment of this application relates to an electronic device, such as... Figure 11 As shown, it includes: at least one processor 901; and a memory 902 communicatively connected to at least one processor 901; wherein the memory 902 stores instructions executable by at least one processor 901, the instructions being executed by at least one processor 901 to enable at least one processor 901 to execute the method for centering correction of ultra-high-altitude measurements based on BeiDou GNSS in the above embodiments.

[0181] The memory and the processor are connected by a bus. The bus can include any number of interconnecting buses and bridges depending on the specific application of the mobile terminal. The bus connects the various circuits of the memory and the processor together and mediates data communication among different components. The bus can also connect with the various other circuits such as peripheral device, voltage stabilizer and power management circuitry etc. These are all well known in the art, and hence, need not be described at length. A bus interface provides the bus with the necessary interface to the transceiver. The transceiver can be a single device or a plurality of devices such as a plurality of receivers and transmitters, which are arranged to communicate with various other apparatus over a transmission medium. The data processed by the processor is transmitted over the wireless medium via the antenna. Further, the antenna also receives data and transmits the same to the processor.

[0182] The processor is responsible for managing the bus and general processing, and it also provides various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. The memory can be used for storing data used by the processor when executing operations.

[0183] Embodiment Four

[0184] Another embodiment of the present application relates to a computer readable storage medium, which stores a computer program. The computer program is executed by a processor to implement the method embodiments.

[0185] That is, those skilled in the art can understand that all or part of the steps of the methods in the above embodiments can be completed by a program instructing relevant hardware, and the program is stored in a storage medium, including a plurality of instructions for causing an apparatus (which can be a single-chip microcomputer, a chip, etc.) or a processor to execute all or part of the steps of the various embodiments of the method of the present application. The aforementioned storage medium includes a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and various media that can store program codes.

[0186] Those skilled in the art can understand that the above embodiments are specific embodiments for implementing the present application, and in actual applications, various changes can be made in form and details without departing from the spirit and scope of the present application.

Claims

1. A method for centering correction in ultra-high-altitude measurements based on BeiDou GNSS, characterized in that, include: Based on BeiDou GNSS, the measured coordinates of the four corner points of the core tube at the target measurement height on the horizontal plane and the theoretical coordinates of each corner point are obtained; Based on the measured coordinates of the four corner points and the theoretical coordinates of each corner point, the corrected coordinates of each corner point are obtained. The positions of the four corner points of the core tube are corrected based on the corrected coordinates of each corner point; The process of obtaining the corrected coordinates of each corner point based on the measured coordinates of the four corner points and the theoretical coordinates of each corner point includes: Based on the measured coordinates of the four corner points, the measured coordinates of the center point of the core tube on the horizontal plane corresponding to the target measurement height are determined; Based on the theoretical coordinates of each corner point, the theoretical coordinates of the center point of the core tube on the horizontal plane corresponding to the target measurement height are determined. The center point deviation coordinates are determined based on the measured coordinates and the theoretical coordinates of the center point. The deviation weight of each corner point is determined based on the measured coordinates of the four corner points and the theoretical coordinates of each corner point; The corrected coordinates of each corner point are determined based on the deviation coordinates of the center point and the deviation weights of each corner point.

2. The method for centering correction of ultra-high-rise measurements based on BeiDou GNSS according to claim 1, characterized in that, The measurement coordinates of the four corner points of the core cylinder at the target measurement height corresponding to the horizontal plane obtained based on BeiDou GNSS include: At preset intervals within a preset time period, the coordinates of the four corner points of the core tube at the target measurement height are acquired once based on BeiDou GNSS, obtaining at least two coordinates corresponding to each corner point; For each corner point, the measurement coordinates corresponding to the corner point are calculated based on at least two of the measured coordinates using the mean method.

3. The method for centering correction of ultra-high-rise measurements based on BeiDou GNSS according to claim 1, characterized in that, The correction of the positions of the four corner points of the core tube based on the correction coordinates of each corner point includes: For each corner point, based on the corrected coordinates of the corner point and the preset correction rules, a correction scheme is determined to correct the position of the corner point layer by layer, and the correction scheme corresponding to the corner point is obtained. The correction scheme includes at least a sub-scheme to correct the position of the corner point on the horizontal surface corresponding to the target measurement height. The position of the corner point is corrected based on the correction scheme corresponding to each corner point.

4. The method for centering correction of ultra-high-rise measurements based on BeiDou GNSS according to claim 3, characterized in that, For each corner point, the corresponding correction scheme includes at least one sub-scheme. One sub-scheme is a scheme that corrects the position of the corner point on a horizontal surface corresponding to a specified measurement height. The sub-scheme includes theoretical coordinates for correction. Correcting the position of the corner point based on the correction scheme corresponding to each corner point includes: For each of the at least one sub-scheme for each corner point, the corner point is corrected at a specified measurement height corresponding to the sub-scheme until the corrected measurement coordinates conform to the theoretical coordinates for correction.

5. The method for centering correction of ultra-high-rise measurements based on BeiDou GNSS according to claim 1, characterized in that, The determination of the deviation weight of each corner point based on the measured coordinates of the four corner points and the theoretical coordinates of each corner point includes: For each corner point, the difference between the measured coordinates and the theoretical coordinates of the corner point is used as the weight numerator of the corner point; Add the absolute values ​​of the weight numerators corresponding to the four corner points, and use the sum as the weight denominator. For each corner point, the ratio of the weight numerator to the weight denominator of the corner point is used as the deviation weight of the corner point.

6. The method for centering correction of ultra-high-rise measurements based on BeiDou GNSS according to any one of claims 1 to 5, characterized in that, Before obtaining the measurement coordinates of the four corner points of the core tube at the target measurement height on the horizontal plane based on BeiDou GNSS, the method further includes: When the target measurement height is equal to the preset height, the step of obtaining the measurement coordinates of the four corner points of the core tube on the horizontal plane corresponding to the target measurement height based on BeiDou GNSS is executed.

7. A device for centering correction in ultra-high-rise measurement based on BeiDou GNSS, characterized in that, include: The acquisition unit is used to acquire the measured coordinates of the four corner points of the core tube at the target measurement height on the horizontal plane and the theoretical coordinates of each corner point based on BeiDou GNSS. The acquisition unit is further configured to acquire the corrected coordinates of each corner point based on the measured coordinates of the four corner points and the theoretical coordinates of each corner point; A correction unit is used to correct the positions of the four corner points of the core tube based on the correction coordinates of each corner point; The acquisition unit is specifically used for: Based on the measured coordinates of the four corner points, the measured coordinates of the center point of the core tube on the horizontal plane corresponding to the target measurement height are determined; Based on the theoretical coordinates of each corner point, the theoretical coordinates of the center point of the core tube on the horizontal plane corresponding to the target measurement height are determined. The center point deviation coordinates are determined based on the measured coordinates and the theoretical coordinates of the center point. The deviation weight of each corner point is determined based on the measured coordinates of the four corner points and the theoretical coordinates of each corner point; The corrected coordinates of each corner point are determined based on the deviation coordinates of the center point and the deviation weights of each corner point.

8. An electronic device, characterized in that, include: At least one processor; as well as, A memory communicatively connected to the at least one processor; wherein, The memory stores instructions that can be executed by the at least one processor, which, when executed by the at least one processor, enables the at least one processor to perform the method for centering correction of ultra-high-altitude measurements based on BeiDou GNSS as described in any one of claims 1 to 6.

9. A computer-readable storage medium storing a computer program, characterized in that, When the computer program is executed by the processor, it implements the method for centering correction of ultra-high-rise measurements based on BeiDou GNSS as described in any one of claims 1 to 6.

Images