Upward-sloping drainage structure with self-anchoring function and construction method thereof

Abstract

The invention discloses an upward-sloping drainage structure with a self-anchoring function. The upward-sloping drainage structure with the self-anchoring function comprises an anchor pipe main body,a water stop body and a grouting pipe; the anchor pipe main body comprises a steel pipe body and a spiral cutter edge; the steel pipe body is divided into a drainage section, a water stop section, ananchoring section and a pile tip which are connected in sequence in the axial direction; a plurality of drainage holes are formed in the pipe wall of the drainage section; a water filtering body is placed in the pipe cavity of the drainage section; a plurality of grouting holes are formed in the pipe wall of the anchoring section; the spiral cutter edge is arranged on the outer pipe wall of the anchoring section in a surrounding manner in a spiral strip shape; the water stop body comprises an inner water stop body and an inner water stop body; the inner water stop body is arranged in the pipecavity of the water stop body; the outer water stop body is arranged on the outer pipe wall of the water stop section annularly; the grouting pipe is arranged in the pipe cavity of the steel pipe body; one end of the grouting pipe is positioned in the anchoring section; and the other end of the grouting pipe penetrates through the inner water stop body and extends out of the end surface of the drainage section. Meanwhile, a matched construction method is provided to simplify the draining and anchoring operation in slope protection, facilitate construction, shorten the working period and reducethe cost.

Description

technical field [0001] The invention relates to the technical fields of slope protection, dangerous rock treatment, deep foundation pit support, tunnel and underground engineering drainage support, in particular to an inclined drainage structure with a self-anchoring function and a construction method thereof. Background technique [0002] In the process of slope protection, dangerous rock treatment, deep foundation pit support, tunnel and underground engineering drainage support, it is necessary to carry out drainage and anchorage treatment on the rock and soil near the sliding surface or rupture surface, and unfavorable structural surface, so as to avoid Or reduce geological problems or diseases such as slipping, falling, toppling, and falling blocks in rock and soil. The existing treatment methods are usually to drill vertically inclined drainage holes and anchor holes for reinforcing the anchor rods (cables) on the rock and soil to be reinforced. The drilling operation i...

AI Technical Summary

Problems solved by technology

The existing treatment methods are usually to drill vertically inclined drainage holes and anchor holes for reinforcing the anchor rods (cables) on the rock and soil to be reinforced. The drilling operation is repeated, and the following steps are required Anchor (cable), pouring and anchoring operations, the construction process is cumbersome, the construction period is long, and the cost is high

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