A measurement and positioning method for a hyperboloid variable diameter circular tube-in-tube structure wall

Abstract

The present invention relates to a method for measuring and positioning a wall of a circular tube-in-tube structure with a hyperbolic variable diameter, comprising: S1, using a total station to measure and set a plurality of control points on a wall positioning projection point setting surface, wherein the plurality of control points are arranged at equal intervals along the circumferential direction of the outer side of an inner tube wall; S2, setting a target receiving platform on the outer side wall of the inner tube wall at a position directly opposite to the plurality of control points; S3, setting a laser plumb line at each control point, and using the laser plumb line to project onto the corresponding target receiving platform, and marking the position of at least two laser spots on the target receiving platform; S4, radially pulling a line horizontally on the outer side of the inner tube wall in a direction away from the inner tube wall to align the points, and the radial line should pass through at least two laser spots on the target receiving platform when aligning the points horizontally, and using a measuring tool to locate the construction position of a hyperbolic variable diameter outer tube wall according to a preset construction distance, and building an outer tube wall template for pouring according to the located construction position of the hyperbolic variable diameter outer tube wall.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a method for measuring and positioning a wall of a hyperbolic variable-diameter circular tube-in-tube structure. Background Art

[0002] At present, with the increase in the number of buildings, the buildings begin to emphasize the beauty, uniqueness and symbolism of the overall appearance. There are more and more hyperbolic surfaces, curved variable diameter circular cylinders or tube-in-tube structures of various types of buildings. This is especially prominent in tower buildings and landmark buildings. Buildings no longer simply pursue practicality, but present different aesthetics through different external curved surfaces, especially public landmark buildings. However, this type of hyperbolic surface, curved variable diameter circular cylinder or tube-in-tube structure often has complex forms and shapes, and the operable measurement work space is small, and it is impossible to see through. In addition, there are often no high-rise buildings available around, which makes it inconvenient to set up instruments at high places for point positioning. In addition, the tube or tube-in-tube structure will mostly adopt the climbing formwork and climbing frame board technology, and the floor slabs between the tubes are basically constructed later, which makes it impossible to use the floor slabs as the measurement and layout work surface. Summary of the invention

[0003] In order to solve one or more of the above-mentioned technical problems, the present invention provides a method for measuring and positioning a wall of a hyperbolic variable-diameter circular tube-in-tube structure.

[0004] The technical solution of the present invention to solve the above technical problems is as follows: a method for measuring and positioning a wall of a hyperbolic variable diameter circular tube-in-tube structure, which is used for measuring and positioning between an inner tube wall and a hyperbolic variable diameter outer tube wall in a hyperbolic variable diameter circular tube-in-tube structure wall; comprising the following steps:

[0005] S1. Use a total station to measure and set multiple groups of control points on the wall positioning projection point setting surface, wherein the multiple groups of control points are arranged at equal intervals along the circumference of the outer side of the inner cylinder wall, and each group of control points includes at least two control points arranged along the same radial direction of the inner cylinder wall;

[0006] S2, setting a target receiving platform on the outer wall of the inner cylinder wall at a position directly opposite to the multiple groups of control points;

[0007] S3, a laser plumb line is set at each of the control points, and the laser plumb line is used to project onto the corresponding target receiving platform, and the point position is marked at at least two laser spot positions on the target receiving platform;

[0008] S4. A radial horizontal line is drawn on the outside of the inner cylinder wall in a direction away from the inner cylinder wall. When the radial line is drawn horizontally, it should pass through at least two laser spots on the target receiving platform, and a measuring tool is used to locate the construction position of the hyperbolic variable diameter outer cylinder wall according to a preset construction distance, and an outer cylinder wall template is built according to the located construction position of the hyperbolic variable diameter outer cylinder wall for pouring.

[0009] The beneficial effects of the present invention are as follows: during the construction of the wall of the hyperbolic variable-diameter circular tube-in-tube structure, the wall positioning method adopts the mutual coordination of total station positioning, laser plumb line projection, line pointing and measurement to realize the control of the measurement and positioning of the wall of the hyperbolic variable-diameter circular tube-in-tube structure, which not only solves the problems of small working space and lack of visibility, but also transforms the originally complex instrument operation positioning mode into a simple and practical plumb bob hanging line pointing and steel tape measure measurement and positioning mode, which is more convenient for construction operations.

[0010] Based on the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, after each layer of the hyperbolic variable-diameter outer cylinder wall is poured, the corresponding target receiving platform on the inner cylinder wall is removed, and after being moved upward to a preset height, S2 to S4 are repeated again.

[0012] Furthermore, S1 also includes drilling holes on the structural plate at each control point and implanting steel bars so that the steel bars are higher than the preset length of the wall positioning projection point setting surface, and again using the total station to locate the coordinates of each plumb line station on the steel bar surface and engrave a cross.

[0013] Furthermore, S1 also includes applying anti-rust paint on the steel bars for protection and making a concrete ring protection ring around the control point.

[0014] Furthermore, S1 also includes, using a circle of control points located in the inner circle among the multiple groups of control points, first constructing a layer of inner cylinder wall, and then constructing a corresponding hyperbolic variable diameter outer cylinder wall based on the inner cylinder wall.

[0015] The beneficial effect of adopting the above further solution is that the inner cylinder wall formed in advance can be used to measure and locate the hyperbolic variable diameter outer cylinder wall.

[0016] Furthermore, the target receiving platform includes a bracket and a horizontal receiving platform, the bracket is fixed at one end of the horizontal receiving platform, and at least two target plates are arranged on the horizontal receiving platform, and the at least two target plates are arranged in a one-to-one correspondence with at least two control points.

[0017] The beneficial effect of adopting the above further solution is that the target plate on the horizontal receiving platform can be used to receive the laser projected by the laser plumb line at the control point.

[0018] Furthermore, the target plate is a transparent plate.

[0019] Furthermore, the bracket is made of angle steel or wooden board, and the bracket is fixedly connected to the inner tube wall through expansion bolts.

[0020] Furthermore, the bracket is adapted to the outer side wall of the inner cylinder wall.

[0021] Furthermore, the outer side wall of the hyperbolic variable diameter outer cylinder wall has a plurality of variable diameter arc surfaces along the circumferential direction, and each variable diameter arc surface corresponds to at least three groups of control points.

[0022] The beneficial effect of adopting the above further solution is that it is convenient to effectively control the structural dimensions of the variable diameter arc surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the arrangement of the control points of the present invention on the setting surface of the wall positioning projection point;

[0024] Figure 2 It is a schematic diagram of constructing a hyperbolic variable diameter outer cylinder wall by using the measurement and positioning method of the present invention.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Inner tube wall; 2. Hyperbolic variable diameter outer tube wall; 21. Variable diameter arc surface; 22. Outer tube wall template; 3. Wall positioning projection point setting surface; 31. Control point; 4. Laser plumb line; 5. Elevator shaft; 6. Target receiving platform; 61. Laser spot. DETAILED DESCRIPTION

[0027] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0028] like Figure 1 and Figure 2 As shown, a method for measuring and positioning a wall of a hyperbolic variable diameter circular tube-in-tube structure of this embodiment is used for measuring and positioning between an inner tube wall 1 and a hyperbolic variable diameter outer tube wall 2 in a wall of a hyperbolic variable diameter circular tube-in-tube structure; and comprises the following steps:

[0029] S1, using a total station to measure and set multiple groups of control points 31 on the wall positioning projection point setting surface 3, the multiple groups of control points 31 are arranged at equal intervals along the outer circumference of the inner cylinder wall 1, and each group of control points 31 includes at least two control points 31 arranged along the same radial direction of the inner cylinder wall 1;

[0030] S2, setting a target receiving platform 6 on the outer wall of the inner cylinder wall 1 at a position directly opposite to the multiple groups of control points 31;

[0031] S3, a laser plumb line 4 is arranged at each of the control points 31, and the laser plumb line 4 is used to project onto the corresponding target receiving platform 6, and the positions of at least two laser spots 61 on the target receiving platform 6 are marked;

[0032] S4. A radial horizontal line is drawn on the outside of the inner cylinder wall 1 in a direction away from the inner cylinder wall 1. When the radial line is drawn horizontally, it should pass through at least two laser spots 61 on the target receiving platform 6, and a measuring tool is used to locate the construction position of the hyperbolic variable diameter outer cylinder wall 2 according to a preset construction distance, and an outer cylinder wall formwork 22 is built according to the located construction position of the hyperbolic variable diameter outer cylinder wall 2 for pouring.

[0033] The present embodiment provides a method for measuring and positioning a wall of a hyperbolic variable diameter circular tube-in-tube structure, which simplifies the method for measuring, positioning and laying out, facilitates flexible operation in a narrow space, and eliminates the adverse effects of visual communication. It not only improves the efficiency of measuring and positioning work, but also reduces the cost of measuring and positioning. At the same time, it also enhances the safety of measuring and positioning construction.

[0034] Specifically, Figure 2 As shown, after each layer of the hyperbolic variable diameter outer cylinder wall 2 is poured, the corresponding target receiving platform 6 on the corresponding inner cylinder wall 1 is removed, and after moving upward to a preset height, S2 to S4 are repeated again. The inner cylinder wall 1 has a floor elevator shaft 5, and the construction of the inner cylinder wall 1 can be assisted by the floor elevator shaft 5.

[0035] Further specifically, S1 also includes drilling a hole on the structural plate at each control point 31. Specifically, an electric drill can be used to drill a Φ25 hole with a hole depth of 70 mm. Rebars are implanted in the hole with rebar embedding glue so that the rebar is higher than the preset length of the wall positioning projection point setting surface. The preset length can be 8 to 12 mm, preferably 10 mm. After solidification, the total station is used again to locate the coordinates of each plumb line station on the steel bar surface, and a cross is engraved. After verification with the total station, anti-rust paint is applied to the steel bar for protection, and a concrete ring protection ring is made around the control point.

[0036] Furthermore, S1 also includes, using a circle of control points 31 located in the inner circle among the multiple groups of control points 31, first constructing a layer of inner cylinder wall 1, and then constructing a corresponding hyperbolic variable diameter outer cylinder wall 2 according to the inner cylinder wall 1. The inner cylinder wall formed by the first construction can be used to measure and locate the hyperbolic variable diameter outer cylinder wall.

[0037] A specific solution of this embodiment is that the target receiving platform 6 includes a bracket and a horizontal receiving platform, the bracket is fixed at one end of the horizontal receiving platform, and at least two target plates are arranged on the horizontal receiving platform, and the at least two target plates are arranged in a one-to-one correspondence with at least two control points 31. The target plate on the horizontal receiving platform can be used to receive the laser projected by the laser plummet at the control point.

[0038] Among them, the method of making the target receiving platform can be determined according to the position of different control points. The size of the target receiving platform 6 is determined according to the actual work requirements on site. The target size of the target receiving platform 6 in this embodiment is 150mm×150mm×2mm, and the bracket can adopt a fixed frame structure to facilitate effective connection with the inner cylinder wall 1 structure. When installing the fixed target receiving platform 6, the target receiving platform 6 should be directly opposite the lower control point 31, and the installation with the inner cylinder wall 1 structure should be firm and reliable. The surrounding obstacles need to be cleared, and a work platform that is convenient for measuring workers should be set up. The height difference with the upper construction work layer should not be greater than 6 meters, and it should be installed layer by layer with the wall structure.

[0039] Preferably, the target plate is a transparent plate, specifically a plastic plate. The bracket is made of angle steel or wood, and the bracket is fixedly connected to the inner cylinder wall 1 through expansion bolts. The bracket is adapted to the outer side wall of the inner cylinder wall.

[0040] like Figure 1 As shown, the outer side wall of the hyperbolic variable diameter outer cylinder wall 2 has a plurality of variable diameter arc surfaces 21 along the circumferential direction, and each variable diameter arc surface 21 corresponds to at least three groups of control points 31, so as to facilitate effective control of the structural dimensions of the variable diameter arc surface 21.

[0041] S3 specifically includes that a laser plumb line 4 can be used to project a control point 31, and a laser plumb line 4 is set up at the wall positioning projection point setting surface 3 of the marked wall control point. There shall be no dynamic load around the laser plumb line 4, and it shall be stable and vibration-free. The projection control point of the laser plumb line 4 shall be fixed and operated by professionals and shall not be changed at will, and other personnel shall not touch the instrument. When the laser plumb line 4 projects the control point, the instrument must be adjusted to the level, and the lower point shall be centered and leveled, and then projected to the upper target receiving platform 6. At the same time, the laser spot is adjusted to reduce the laser spot 61 to the minimum spot, and a special pen for laying out the line is used to mark the point on the target receiving platform 6, and a circle is drawn on the outside of the marked point as a conspicuous mark to facilitate the plumb line search. When the projection height exceeds 100m, a high-precision laser plumb line is used to project the control point, and it is advisable to project at night to reduce the influence of sunlight, structural temperature and temperature difference on the measurement results.

[0042] S4 specifically includes that the construction position of the hyperbolic variable diameter outer cylinder wall 2 can be located by using a steel tape measure according to the preset construction distance. The wire-point and steel coil length can be measured by using a special construction wire and a steel tape measure. When measuring the hyperbolic variable diameter outer cylinder wall 2 and the inner cylinder wall 1, the direction of the wire-point and steel coil length should be strictly consistent with the direction formed by the line connecting at least two control points of each group. Only after the direction is determined to be consistent in advance can the wall control point be measured. When measuring, it must be straightened and ensured to be horizontal, and no oblique or bending phenomenon should occur. When measuring, it is advisable to throw away the 100mm part of the end of the steel tape measure to ensure that the measurement result is more accurate and reliable.

[0043] The method for measuring and positioning the wall of the hyperboloid variable diameter circular tube-in-tube structure of the present embodiment is formed by using the four parts of the hyperboloid variable diameter circular tube-in-tube structure wall measurement and positioning control method, which is formed by the fixed wall control point, the target receiving platform, the projection control point and marking, the wire alignment and the steel coil length measurement. The total station fixed point, the laser plumb line projection, the wire alignment and the steel tape ruler pull the mutual cooperation between the original complex instrument operation fixed point mode into a simple and practical wire alignment and steel tape ruler pull the fixed point measurement method for the control method of the hyperboloid variable diameter circular tube-in-tube structure wall measurement and positioning, effectively improving the progress of the wall construction measurement positioning and inspection, saving the cost of construction setting, and improving the accuracy of quality control. At the same time, through the effective cooperation of each program, the influence of objective conditions is solved, and the measurement and positioning work can be carried out smoothly. The construction error of each link is effectively reduced, and the measurement accuracy is better than that of the method of using GPS dot positioning. Due to the large-scale use of simple and cheap measuring tools, the investment of other large measuring instruments is relatively small, thereby reducing the overall construction setting cost.

[0044] It should be noted that when the measurement and positioning method of the hyperbolic variable diameter circular tube-in-tube structure wall of this embodiment is used for construction, after the construction drawings are issued, it is necessary to be familiar with the drawings, understand the design intent, and fully

[0045] Master the axis, dimensions, and elevations, and carefully check the relevant dimensions and surveying data of the design drawings to ensure they are correct. Conduct on-site surveys, fully understand the actual situation on site, and review the measurement control points and leveling points.

[0046] Ensure the normal progress of surveying and design work. According to the surveying and design method, calculate the surveying and design data and draw the plane and projection map of the wall control points. The construction layout personnel must be fixed and cannot be replaced at will. If there is a special need, they must be replaced with the consent of the on-site technical person in charge to ensure the consistency and accuracy of the project measurement and positioning.

[0047] 0 In the construction process of the wall of the hyperbolic variable diameter circular tube-in-tube structure, the wall positioning method is adopted

[0048] The measurement and positioning of the wall of the hyperbolic variable-diameter circular tube-in-tube structure is controlled by means of total station positioning, laser plumb line projection, line pointing and measurement. This not only solves the problems of small working space and lack of visibility, but also transforms the originally complex instrument operation positioning mode into a simple and practical plumb bob hanging line pointing and steel tape measure measurement and positioning method, which is more convenient for construction operations.

[0049] 5 In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "longitudinal" and "lateral" are used interchangeably.

[0050] The directions or positional relationships indicated by "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the directions or positional relationships shown in the drawings and are for the purpose of illustration only.

[0051] The description is made for the convenience of describing the present invention and simplifying the description, and is not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0052] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features.

[0053] In the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically limited.

[0054] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0056] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0057] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A method for measuring and positioning a wall of a hyperbolic variable diameter circular tube-in-tube structure, used for measuring and positioning between an inner tube wall and a hyperbolic variable diameter outer tube wall in a hyperbolic variable diameter circular tube-in-tube structure wall; characterized in that: The following steps are involved: S1. Use a total station to measure and set multiple groups of control points on the wall positioning projection point setting surface, wherein the multiple groups of control points are arranged at equal intervals along the circumference of the outer side of the inner cylinder wall, and each group of control points includes at least two control points arranged along the same radial direction of the inner cylinder wall; S2, setting a target receiving platform on the outer wall of the inner cylinder wall at a position directly opposite to the multiple groups of control points; S3, a laser plumb line is set at each of the control points, and the laser plumb line is used to project onto the corresponding target receiving platform, and the point position is marked at at least two laser spot positions on the target receiving platform; S4. A radial horizontal line is drawn on the outside of the inner cylinder wall in a direction away from the inner cylinder wall. When the radial line is drawn horizontally, it should pass through at least two laser spots on the target receiving platform, and a measuring tool is used to locate the construction position of the hyperbolic variable diameter outer cylinder wall according to a preset construction distance, and an outer cylinder wall template is built according to the located construction position of the hyperbolic variable diameter outer cylinder wall for pouring; The outer side wall of the hyperbolic variable diameter outer cylinder wall has a plurality of variable diameter arc surfaces along the circumferential direction, and each variable diameter arc surface corresponds to at least three groups of control points.

2. According to claim 1, a method for measuring and positioning a wall of a hyperbolic variable diameter circular tube-in-tube structure, characterized in that: After each layer of the hyperbolic variable diameter outer cylinder wall is poured, the corresponding target receiving platform on the inner cylinder wall is removed, and after moving upward to a preset height, S2 to S4 are repeated again.

3. According to the method for measuring and positioning a wall of a hyperbolic variable diameter circular tube-in-tube structure as described in claim 1, it is characterized in that: S1 also includes drilling holes on the structural plate at each control point and implanting steel bars so that the steel bars are higher than the preset length of the wall positioning projection point setting surface, and again using the total station to locate the coordinates of each plumb line station on the steel bar surface and engrave a cross.

4. According to claim 1, a method for measuring and positioning a wall of a hyperbolic variable diameter circular tube-in-tube structure, characterized in that: S1 also includes applying anti-rust paint on the steel bars for protection and making a concrete ring protection ring around the control points.

5. According to claim 1, a method for measuring and positioning a wall of a hyperbolic variable diameter circular tube-in-tube structure, characterized in that: S1 also includes, using a circle of control points located in the inner circle among the multiple groups of control points, first constructing a layer of inner cylinder wall, and then constructing a corresponding hyperbolic variable diameter outer cylinder wall according to the inner cylinder wall.

6. According to claim 1, a method for measuring and positioning a wall of a hyperbolic variable diameter circular tube-in-tube structure, characterized in that: The target receiving platform comprises a bracket and a horizontal receiving platform, wherein the bracket is fixed at one end of the horizontal receiving platform, and at least two target plates are arranged on the horizontal receiving platform in a one-to-one correspondence with at least two control points.

7. The method for measuring and positioning a wall of a hyperbolic variable diameter circular tube-in-tube structure according to claim 6, characterized in that: The target plate is a transparent plate.

8. The method for measuring and positioning a wall of a hyperbolic variable diameter circular tube-in-tube structure according to claim 6, characterized in that: The bracket is made of angle steel or wooden board, and the bracket is fixedly connected to the inner tube wall through expansion bolts.

9. The method for measuring and positioning a wall of a hyperbolic variable diameter circular tube-in-tube structure according to claim 6, characterized in that: The bracket is adapted to the outer side wall of the inner cylinder wall.

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