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A drainage anti-slide pile with automatic adjustment of water level and its construction method

An automatic adjustment and anti-sliding pile technology, applied in excavation, sheet pile wall, foundation structure engineering and other directions, can solve the problems of high cost, inability to automatically adjust the water level, difficult operation, etc., to reduce potential risks, improve drainage, reduce The effect of hydrodynamic pressure

Active Publication Date: 2016-08-24
CHINA THREE GORGES UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a drainage anti-slide pile that automatically adjusts the water level and its construction method, which can solve the problems of inability to automatically adjust the water level, difficult operation, and high cost, and can reduce the amount of water in the slope soil. Dynamic water pressure, reducing the potential risk of landslide damage, realizing the automation of drainage and water level adjustment

Method used

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  • A drainage anti-slide pile with automatic adjustment of water level and its construction method
  • A drainage anti-slide pile with automatic adjustment of water level and its construction method
  • A drainage anti-slide pile with automatic adjustment of water level and its construction method

Examples

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Effect test

Embodiment 1

[0049] Such as Figure 1-Figure 8 As shown, a drainage anti-slide pile that automatically adjusts the water level includes a pile body 1 formed by pouring concrete on a steel cage,

[0050] The pile body consists of a concrete pile body 1 and a rectangular hollow pile body 2 arranged on the concrete pile body 1. An outer steel formwork 3 is surrounded on the outside of the pile body, and an inner steel formwork 4 is surrounded on the rectangular hollow pile body 2. The rectangular hollow pile body The upper part of one side of the tensile end of 2 is provided with multiple groups of water inlet pipe groups 5 in parallel in the longitudinal direction, and the lower part of the side of the tensile end of the rectangular hollow pile body 2 is provided with multiple groups of adjustable water inlet pipe groups 6 in parallel with the longitudinal direction, and the rectangular hollow pile body 2 There are multiple groups of outlet pipe groups 7 arranged parallel to the longitudinal...

Embodiment 2

[0064] A construction method of a drainage anti-slide pile that automatically adjusts the water level, the method includes the following steps:

[0065] 1) Design the water inlet pipe group 5, adjust the water inlet pipe group 6 and the water outlet pipe group 7: according to the distribution of groundwater and the size of the pile body, reasonably design the water inlet pipe group 5, adjust the size of the water inlet pipe group 6 and the water outlet pipe group 7, quantity and location;

[0066] 2) Make the reinforcement cage, the outer steel formwork 3 and the inner steel formwork 4 to form an overall skeleton: under the premise of considering the water inlet pipe group 5, adjusting the size, quantity and position of the water inlet pipe group 6 and the water outlet pipe group 7, according to the pile body Force configuration reinforcement cage, outer steel formwork 3 and inner steel formwork 4;

[0067] 3) Install the hole opening device 8: in the cavity formed by the inn...

Embodiment 3

[0075] Such as Figure 11 Shown, adopt the drainage anti-slide pile of the present invention to carry out the process of drainage as follows:

[0076] After the construction of the anti-slide pile is completed, a wetting line 10 will be formed in the slope body 9 due to the change of the water level;

[0077] When the water level of the reservoir rises, the groundwater level also rises at the same time, and the inlet pipe hole covers 6-3 of each adjusting water inlet pipe group are closed due to the constraints of the first crossbar 8-3 and the second crossbar 8-4. After a certain height, water will flow into the cavity of the pile body from each water inlet pipe group 5 on the top of the rectangular hollow section pile body 2, so that the water level in the pile body will continue to rise, and the floating body 8-1 of the opening device 8 will be subject to buoyancy The action moves upwards (eg Figure 10 shown), and then drive one end of the first crossbar 8-3 to perk, and...

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Abstract

An automatic water level adjusting drainage anti-slide pile comprises a pile body. Concrete is poured into a steel reinforcement cage to form the pile body, the pile body comprises a concrete pile body and a rectangular hollow pile body arranged on the concrete pile body, an outer steel formwork encloses the outer side of the pile body, an inner steel formwork encloses the rectangular hollow pile body, a plurality of water inlet pipe groups are longitudinally and parallelly arranged on the upper portion of one side of a tension end of the rectangular hollow pile body, a plurality of adjusting water inlet pipe groups are longitudinally and parallelly arranged on the lower portion of one side of the tension end of the rectangular hollow pile body, a plurality of water outlet pipe groups are longitudinally and parallelly arranged on one side of the tension end of the rectangular hollow pile body, and the rectangular hollow pile body is provided with a punching device. The automatic water level adjusting drainage anti-slide pile and a construction method thereof can solve the problems that water level cannot be automatically adjusted, operations are difficult and manufacturing cost is high, rainfall can be realized in a peak shifting manner, the pressure of flowing water in slope soil is decreased, potential risks of landslide damage are reduced, and automation of drainage and water level adjustment is realized.

Description

technical field [0001] The invention relates to the field of civil engineering, in particular to a drainage anti-slide pile and a construction method thereof for automatically adjusting the water level for reinforcement of reservoir bank slopes. Background technique [0002] As one of the three major geological disasters in the world, the instability and destruction of slopes often bring huge disasters to human beings. Compared with mountain landslides, there are too many accidents on Kuan slope. According to incomplete statistics, in the Three Gorges reservoir area, there are more than 1,000 landslides with obvious signs of deformation. The deformation and instability of this type of slope are often related to the rise and fall of reservoir water. When the reservoir water drops suddenly, the drop of the groundwater on the slope lags behind that of the reservoir water, and the hydrodynamic pressure is formed in the slope, which is not conducive to the stability of the slop...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/20E02D5/38E02D19/20
Inventor 邓华锋肖志勇李建林孙旭曙胡亚运周美玲胡安龙李春波常德龙
Owner CHINA THREE GORGES UNIV
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