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Antiskid pile with hollow outer isosceles trapezoid cross section and in unequal interval arrangement

An isosceles trapezoid, anti-sliding pile technology, applied in excavation, sheet pile wall, foundation structure engineering, etc., can solve the problems of large amount of concrete pouring, high cost, large pile section, etc. Good effect and cost reduction effect

Active Publication Date: 2015-03-04
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Anti-slide piles with rectangular cross-section have problems such as large pile body section, large amount of concrete pouring required, and high cost

Method used

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  • Antiskid pile with hollow outer isosceles trapezoid cross section and in unequal interval arrangement
  • Antiskid pile with hollow outer isosceles trapezoid cross section and in unequal interval arrangement
  • Antiskid pile with hollow outer isosceles trapezoid cross section and in unequal interval arrangement

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1: An external isosceles trapezoid hollow cross-section anti-sliding pile 1 provided by the present invention, its structure is as follows figure 1 As shown, it is poured from reinforced concrete. The poured reinforced concrete anti-slide pile has an outer isosceles trapezoid hollow cross-section 4, and the shape of the hollow hole 2 in the cross-section is the same as that of the outer isosceles trapezoid.

[0029] The stress distribution on the cross section of the anti-sliding pile in the present invention is shown in figure 2 . One side of the longitudinal section of the long base of the outer isosceles trapezoid is used as the rear end 5 of the pile to receive the thrust 10 of the slope body. The rear end 5 of the pile is used as the arch foot of the soil arch behind the pile, and the slope thrust 10 received at both ends is relatively large and complex. One side of the longitudinal section of the short bottom side of the outer isosceles trapezoid is use...

Embodiment 2

[0033] Embodiment 2: Apply the anti-slide pile 1 with outer isosceles trapezoidal hollow cross-section provided in Embodiment 1 of the present invention to carry out construction with unequal spacing. Since the engineering quantity of each pile of the anti-slide pile in the present invention is not large, the influence on the stability of the landslide body during construction is small, and the construction section of the anti-slide pile is small, and the construction can be carried out by means of mechanical construction. The specific construction steps are as follows:

[0034] (1) Level the site, measure and locate the center point where the anti-slide piles are located according to the design drawings, and pay special attention to the fact that the anti-slide piles are not equidistant, that is, the distance between the anti-slide piles arranged near the main landslide section with large thrust of the landslide is small, and the distance between the two anti-slide piles is sm...

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Abstract

The invention relates to an antiskid pile with hollow outer isosceles trapezoid cross section and in unequal interval arrangement. The antiskid pile is formed by pouring reinforced concrete, the cross section of the antiskid pile is a hollow outer isosceles trapezoid, the shape of an inner hollow hole of the cross section is identical with that of the cross section, one side of a longitudinal section of a long bottom side of the isosceles trapezoid serves as the rear end of the pile to bear landslide thrust, rebar cages are arranged in the antiskid pile, relatively dense rebars are arranged in the rebar cage on one side of the rear end of the pile, and few rebars are arranged on one side of the front end of the pile. The antiskid pile adopts an unequal interval arrangement method to form pile interval arrangement layout with a dense middle and two sparse sides. Compared with a pile with a rectangular cross section, the antiskid pile can also bear bigger landslide thrust and has excellent anti-bending performance, but the size of the cross section of the antiskid pile is obviously smaller than that of the antiskid pile with the rectangular cross section, so that cubic amount of concrete pouring and rebar using amount can be greatly reduced, and cost is lowered. The antiskid pile with the hollow outer isosceles trapezoid cross section and in unequal interval arrangement is small in construction section, convenient for mechanical construction, safe and simple in construction and wide in popularization and application prospect.

Description

technical field [0001] The invention relates to a construction method of a reinforced concrete anti-sliding pile used for side slope engineering and landslide treatment engineering, in particular to a construction method of an outer isosceles trapezoidal hollow cross-section anti-sliding pile arranged at unequal intervals, belonging to The technical field of stabilization of slopes or slopes. Background technique [0002] There are many ways to control slopes and landslides, and setting up anti-slide piles is a widely used control scheme. The principle of anti-sliding pile anti-sliding is to drive the anti-sliding pile below the sliding surface, transfer the slope thrust of the upper part to the lateral soil or rock mass at the lower part of the pile through the pile body, and rely on the lateral resistance of the lower part of the pile to bear the load. The downward thrust of the slope or sliding body, so that the slope or landslide remains balanced or stable. However, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/38E02D17/20
Inventor 廖伟李长冬代先尧雍睿王姣梁德明刘庆涛
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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