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Method for measuring perpendicularity of vertical building

A measurement method and building technology, applied in the determination of fixed angles and other directions, can solve problems such as factors affecting measurement accuracy and unsafe hanging lines

Inactive Publication Date: 2015-01-14
CHINA 22MCC GROUP CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the construction of chimneys and high-altitude openings, due to high-altitude operations, conventional hanging wire measurement has great unsafe factors, and the external natural environment (wind) seriously affects the measurement accuracy

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  • Method for measuring perpendicularity of vertical building

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Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments, the purpose of which is only to better understand the content of the present invention.

[0017] see figure 1 , the measuring method of vertical building perpendicularity described in embodiment, carry out according to the following steps:

[0018] (1) Measurement preparation.

[0019] A theodolite (or total station), a tripod, a steel ruler, and a marker pen.

[0020] (2) Measurement steps.

[0021] ①Find a place with a full view of the chimney to set up a tripod, and adjust the theodolite (total station) to be horizontal.

[0022] ②Look at the left busbar 5 at the top of the chimney 3 through the theodolite (total station), lock the vertical direction of the theodolite (total station), and adjust the horizontal angle to 0 degrees. Move the theodolite (total station) horizontally to the right busbar 6 at the chimney upper opening 3, and record the ...

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Abstract

The invention relates to a method for measuring the perpendicularity of a vertical building. The method comprises the steps of observing a left bus of an upper opening of a chimney through a theodolite, locking the vertical direction of the theodolite, and adjusting a horizontal angle to be zero degree; moving the theodolite to a right bus of the upper opening of the chimney in the horizontal direction, and recording the horizontal angle alpha 1 at the moment; dividing 2 from the horizontal angle to obtain an angle beta1 of the middle position, and horizontally moving the theodolite to the angle beta1, wherein the point where the angle beta1 is positioned is a middle point of the upper opening; locking the horizontal direction, releasing the vertical direction, introducing the point to the 2 / 3 position of the height of a person at the lower part of the chimney, and recording the point as a point 1 on the chimney by a marking pen; observing a left bus of a lower opening of the chimney through the theodolite, obtaining the middle point of the lower opening of the chimney by the former method, and recording the point as a point 2; and measuring a horizontal distance L, which is a perpendicular deviation of the chimney, between the point 1 and the point 2 by a steel plate ruler. The method disclosed by the invention can safely, quickly and accurately measure the perpendicularity of the vertical building during construction process control and completion acceptance.

Description

technical field [0001] The invention relates to a building construction measuring method, in particular to a measuring method for the perpendicularity of vertical buildings, which is used for the verticality of various vertical buildings and the axis control and inspection of openings. Background technique [0002] At present, in the construction of chimneys and high-altitude openings, due to high-altitude operations, there are great unsafe factors in the conventional suspension wire measurement, and the external natural environment (wind) seriously affects the measurement accuracy. Contents of the invention [0003] The invention aims to provide a method for measuring the verticality of vertical buildings, so as to minimize potential safety hazards, improve measurement accuracy, and achieve the purpose of rapid measurement. [0004] The technical scheme adopted in the present invention is: [0005] A method for measuring the verticality of a vertical building, carried ou...

Claims

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Application Information

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IPC IPC(8): G01C15/12
CPCG01C15/12
Inventor 王魁
Owner CHINA 22MCC GROUP CORP
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