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Building Level Measurement Method

A level measurement and construction technology, applied in height/level measurement, measuring devices, surveying and navigation, etc., can solve the problems of undiscovered errors, surveyors do not know the height of the instrument, and cannot directly read the error value of the template, etc. achieve the effect of avoiding mistakes

Active Publication Date: 2018-09-25
顾建忠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This method is cumbersome and insufficient in accuracy, because the height of the instrument is not on the same level as the measuring point, so the instrument error and the process error in the construction measurement process cannot be found in time (including the point error of the ruler, the time error of the point line, the instrument error, etc.) its own error, etc.), and this error is not found in the process
In the traditional method: 1. Because the tester does not know the height of the instrument
2. The height of the instrument is not an integer
3. When inspecting the building ground and structural formwork, the tester cannot directly read the error value of the formwork
4. Sometimes it is necessary to record each point and return to the office to convert the error value

Method used

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Experimental program
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Embodiment 1

[0028] Such as figure 1 Shown, adopt method of the present invention to carry out the construction survey of benchmarking point to building, comprise the following steps:

[0029] Step (1): Select lead survey point 2, determine the survey height of the benchmark point and the position of the survey point, and determine the position of the survey point according to the positions of lead survey point 2 and the survey point.

[0030] Step (2): set up a level 1 at the station, place a scale at the lead point 2, and determine the height to be measured of the scale, the height to be measured is the height of the benchmark minus the height of the lead point difference; figure 1 As shown, if the height of the lead measurement point 2 is ±0.00m, the measurement elevation of the benchmarking point is set to +1.00m, and the said measurement height should be +1.00m.

[0031] Step (3): Adjust the height of the level 1 to the position where the height should be measured on the scale align...

Embodiment 2

[0045] In the construction of the floor formwork platform, it is necessary to check the error value of the beam and platform formwork. If it exceeds the requirements of the specification, it must be adjusted to the allowable range of the specification before the construction of the subsequent process. Assuming that the elevation of the lead measuring point is ±0.00m, assuming that the thickness of the concrete to be constructed by the platform is 0.12m, the measurement method of the present invention is used to measure, including the following steps:

[0046] (1). Select the leading measurement point, the elevation of the leading measurement point is ±0.00m, determine the elevation of the floor level point to be +1.4m (the elevation of the upper surface of the floor template after the floor is constructed should be +0.00m), and determine the measurement point s position, figure 2 The middle rectangular box represents the floor formwork platform, and the dots in the rectangula...

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Abstract

The invention relates to a horizontal measurement method of a building. The horizontal measurement method is used for surveying benchmarks of the buildings. The horizontal measurement method comprises the following steps: (1) selecting a guided measurement point, determining the surveying elevation of a benchmark and the position of a surveying point, and determining the position of a survey station point according to the positions of the surveying point and the guided measurement point; (2) erecting a level gauge on the survey station point, placing a scale plate at the guided measurement point, and determining a surveying height of the scale plate, wherein the surveying height is the difference between the surveying elevation of the benchmark and the elevation of the guided measurement point; (3) regulating the height of the level gauge until the level gauge is aligned to the position of the surveying height of the scale plate at the guided measurement point to change the surveying height of the level gauge into a known elevation, wherein the known elevation is the surveying elevation of the benchmark; and (4) horizontally rotating the level gauge with known height in the step (3) until the level gauge is aligned to the surveying point of the building, and applying the elevation of the benchmark to the surveying of the surveying point of the building. The horizontal measurement method is high in measurement precision, and the measurement process is simple.

Description

technical field [0001] The invention relates to a building level measuring method. Background technique [0002] The traditional building height measurement method is to determine the building height by the reference point provided by the planning bureau (the relationship between the absolute height coordinates and the corresponding building height), and use closed lines, repeated lines, and round-trip lines to review the measurement results. The traditional measurement method generally adopts the following steps: the surveyor sets up the level, puts the ruler to the leading measurement point (assumed to be ±0.000) - the surveyor reads the reading on the scale - calculates the height of the level - converts The height of the building to be measured (generally +1.00M). [0003] This method is cumbersome and insufficient in accuracy, because the height of the instrument is not on the same level as the measuring point, so the instrument error and the process error in the const...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C5/00
CPCG01C5/00
Inventor 顾建忠
Owner 顾建忠