The Method of Determining the Slope Using the Intersection Method
A technology of intersection method and slope surface, which is applied in the direction of measuring devices, instruments, surveying and navigation, etc., can solve the problems affecting the thickness of the protective wall, affecting the quality and safety, and the masonry mortar is not dense, so as to shorten the process interval time, The effect of project quality and safety assurance and high construction efficiency
Active Publication Date: 2018-03-30
山东东泰工程咨询有限公司
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Problems solved by technology
[0005] (3) The base of the retaining wall must be accurate, under-excavation will affect the thickness of the retaining wall, and over-excavation will occur. The over-excavation part is often not densely packed with masonry mortar, or dry-built, which seriously affects the quality and safety
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Embodiment 1
[0025] Embodiment one: if figure 1 As shown, the known slope ratio is i=1:1.5
[0026] Step 1: Set the inner pile near the slope and the outer pile far away from the slope on the outside of the slope. The connection line between the inner pile and the outer pile is perpendicular to the center line of the subgrade, and the connection line between the apex of the inner pile and the apex of the outer pile is located on the same horizontal plane The horizontal plane where the line connecting the apex of the inner and inner piles and the apex of the outer pile is the datum plane, and the plane perpendicular to the horizontal plane where the apex of the inner pile and the apex of the outer pile is located is the datum section. The horizontal distance D=2m between the inner pile apex and the slope surface in the reference section, and the horizontal distance L=2m between the inner pile apex and the outer pile apex. In order to facilitate operation during construction, a 2m ruler can...
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The invention relates to a method for determining a slope surface by using an intersection method. Two timber piles are arranged on the outer side of the slope surface; a horizontal plane of vertexes of the two timber piles is a standard plane; a surface, vertical to the horizontal plane, of a connection line of the vertexes of the two timber piles is a standard section; a right-angle triangle which takes the timber piles as the vertexes and a point on the slope surface as an inclined edge is established in the standard section; a distance from the vertex of the timber pile at the inner side to the slope surface is set to be r; a horizontal distance D of the inner side pile and the slope surface in the standard section and a horizontal distance L between the inner side pile and the outer side pile are measured; a height h from the point with the distance r from the vertex of the inner side pile on the slope surface to the standard section and a distance R from the point to the timber pile at the outer side according to the known r, D, L and a slope ratio i; two length measuring tools with the lengths of r and R rotate around the vertexes of the inner side pile and the outer side pile respectively; the crossed point of the two measuring tools is an actual slope surface control point. The method has the advantages of simplicity in operation and high efficiency; procedure interval time is obviously shortened, the slope surface can be controlled in a whole construction process and the slope surface precision is high.
Description
technical field [0001] The invention relates to a method for detecting a slope, in particular to a method for determining a slope by using the intersection method. Background technique [0002] In the process of subgrade filling, it is necessary to restore the side line frequently, and check whether the side slope line at the outer edge of the subgrade meets the design and specification requirements; Before the construction of the protective wall of the cutting slope, the slope of the inner slope must be checked and accepted, and the accuracy of the slope is very important, otherwise, the quality of the protective wall will be seriously affected; Very low or not in time, seriously affecting the construction progress; in another case, when there is a management blind spot, the measurement and stakeout work is not in place, and the slope loss and under-excavation occur, seriously affecting the quality and safety of the project, for example: [0003] (1) In the process of subg...
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IPC IPC(8): G01C15/00
CPCG01C15/00
Inventor 王学东
Owner 山东东泰工程咨询有限公司