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Hole forming process of dual-purpose hole of anchoring hole and drainage hole in muck side slope

A technology for drainage holes and slag, which is used in soil protection, infrastructure engineering, sheet pile walls, etc., can solve the problems of weak and loose soil collapse, difficulty, stuck drilling, etc., to strengthen the anchoring effect and improve the construction. Efficiency, the effect of enhancing bond strength

Active Publication Date: 2018-06-15
SHENZHEN GEOTECHN INVESTIGATION & SURVEYING INST
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Problems solved by technology

[0003] Since the mixture of muck and soil in the fill slope is loose, it is difficult to use the conventional hole-forming method during the construction of anchor rods and drainage holes, that is, in the process of forming anchor holes and deep drainage holes, and the soft and loose soil is easy to Accidents such as hole collapse and drill sticking occurred

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  • Hole forming process of dual-purpose hole of anchoring hole and drainage hole in muck side slope
  • Hole forming process of dual-purpose hole of anchoring hole and drainage hole in muck side slope
  • Hole forming process of dual-purpose hole of anchoring hole and drainage hole in muck side slope

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Embodiment Construction

[0040] Such as Figure 1-4 As shown, the present invention will be described in detail below in conjunction with specific examples. The following examples and descriptions are only used to explain the present invention, but not as a limitation to the present invention.

[0041] A hole-forming process for an anchor hole and a drainage hole in a muck slope, comprising the following steps:

[0042] a. According to the analysis of the internal structure of the muck body 5, determine the position and depth of the hollow anchor body 6 and the drainage pipe 11; mark the corresponding position;

[0043] b. After installing the hollow bolt body 6 on the rotary drilling rig, at the position determined in step a, the on-site technicians use a protractor to adjust the turning angle of the hollow bolt body 6, and then drill the hollow bolt into the muck body 5 body 6; when drilling the hollow bolt body 6, it is necessary to dig out soil and discharge slag. During the drilling process, it ...

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Abstract

The invention relates to the technical field of side slope protection, in particular to a hole forming process of a dual-purpose hole of an anchoring hole and a drainage hole in a muck side slope. A rotary drilling machine is used as power to drill a hollow anchor rod body into a confirmed position, and the hollow anchor rod body rotates to the designed depth; during drilling of the hollow anchorrod body, soil excavation and slagging need to be carried out; and after it is ensured that drilling of the interior of the hollow anchor rod body and drilling of the outer side of the hollow anchor rod body are both smooth, fixing of the hollow anchor rod body and mounting of a drainage pipe are carried out at corresponding positions correspondingly. According to the hole forming process of the dual-purpose hole, the efficiency of construction is improved, the construction cost is reduced, and the engineering quality is improved.

Description

technical field [0001] The invention relates to the technical field of slope protection, in particular to a hole-forming process for dual-purpose anchor holes and drainage holes in muck slopes. Background technique [0002] With the development of urban construction, a large amount of residual mud and dregs will easily form fill slopes. As a kind of artificially formed mixed slope, the filled slope is formed by rolling and stacking the filled soil step by step. The physical and mechanical properties of the filled soil are poor, so the filled soil slope formed by accumulation is not stable. Therefore, it is necessary to take reinforcement prevention and control measures for the filling slope, and the anchor rod is a commonly used prevention and control reinforcement measure in slope treatment; in addition, due to the loose structure and strong water permeability of the filling slope, rainfall and groundwater Existence, the possibility of landslide or debris flow induced by t...

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Application Information

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IPC IPC(8): E02D17/20E02D5/76E02D15/04E02D3/10
CPCE02D3/10E02D5/76E02D15/04E02D17/20
Inventor 吴志斌汪磊肖林超曾江波吴飞飞张世华
Owner SHENZHEN GEOTECHN INVESTIGATION & SURVEYING INST
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