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Intelligent quick lofting method suitable for drilling and blasting

A fast and intelligent technology, applied in blasting and other directions, can solve problems such as unsatisfactory blasting effect, hidden safety hazards, lengthy procedures, etc., and achieve the effect of reliable stakeout and positioning results, intelligent stakeout process, and automation of stakeout process.

Inactive Publication Date: 2019-01-18
胡英国 +4
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  • Application Information

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Problems solved by technology

Compared with other projects, drilling and blasting has stricter requirements on the precision of construction stakeout. If there is a deviation in stakeout, it will directly cause unsatisfactory blasting effect. In severe cases, there may be safety hazards. Therefore, it is of great significance to improve the construction stakeout technology.
The traditional construction stakeout technology is to do the initial design first, and find points to stake out on site according to the design points. However, due to over- and under-excavation on site, it is often not possible to find points smoothly, and only after re-measurement, carry out secondary design and stake out
The whole process is time-consuming and lengthy

Method used

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  • Intelligent quick lofting method suitable for drilling and blasting
  • Intelligent quick lofting method suitable for drilling and blasting

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Embodiment Construction

[0025] In the following, the present invention will be further introduced in conjunction with specific implementation methods. In the embodiment, the undercut of the contour surface is taken as an example. Blasting is carried out on a certain slope, the excavation height of the slope is 10m, the inclination angle of blastholes is 60°, and the row spacing between blastholes is 3*3m. An uneven working face was formed after a bench blasting, and the design elevation of the current bench excavation is EL.1000m.

[0026] 1. The coordinates of initial design stakeout point B (attached figure 1 Indicated by 6) through the preparation of the corresponding data format, transmission and storage to the total station.

[0027] 2. Embed the mathematical program of automatic conversion into the total station.

[0028] According to the coordinates of the initial design stakeout point B and the inclination angle of the blast hole, the actual coordinates corresponding to the drilling at any ...

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Abstract

The invention discloses an intelligent quick lofting method suitable for drilling and blasting. According to characteristics of slow efficiency and low precision of lofting in actual projects, a fixedmathematical relationship exists a blasthole inclination angle, blasthole orifice coordinates and blasthole extension line coordinates of any elevation, a custom coordinate conversion program is compiled and is embedded into a high-precision total station, to realize to automatically find and lock actual orifice coordinates on an irregular contour surface. The method can be used in excavation projects of water conservancy and hydropower, transportation, mining and other industries to improve lofting quality of blasting construction.

Description

technical field [0001] The invention belongs to the technical field of geotechnical engineering construction, in particular to an intelligent stakeout method suitable for drilling and blasting. Background technique [0002] Construction lofting is a necessary link in modern engineering construction. The high efficiency and precision of construction lofting can not only improve the quality of the project, but also speed up the construction progress and bring huge economic benefits. Compared with other projects, drilling and blasting has stricter requirements on the precision of construction stakeout. If there is a deviation in stakeout, it will directly cause unsatisfactory blasting effect. In severe cases, there may be safety hazards. Therefore, it is of great significance to improve the construction stakeout technology. The traditional construction stakeout technology is to do the initial design first, and find points to stake out on site according to the design points. Ho...

Claims

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Application Information

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IPC IPC(8): F42D1/00
CPCF42D1/00
Inventor 胡英国吴新霞赵根刘美山李瑞泽
Owner 胡英国
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