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Temporary side slope underground water lowering device for increasing slide-resistant pile construction safety and construction method thereof

An anti-sliding pile and safety technology, applied in infrastructure engineering, construction, etc., can solve the problems affecting the stability and safety of the pile shaft wall, affecting the excavation construction of the pile shaft, etc., and achieve the effect of reducing the amount of groundwater and increasing the safety.

Pending Publication Date: 2019-02-19
POWERCHINA HUADONG ENG COPORATION LTD
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  • Claims
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AI Technical Summary

Problems solved by technology

In landslides or slopes reinforced with anti-slide piles, groundwater is often developed, and the soil above the sliding surface is soft, which affects the stability and safety of pile well walls
Moreover, a large amount of groundwater seeping into the pile well will greatly affect the excavation and construction of the pile well.

Method used

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  • Temporary side slope underground water lowering device for increasing slide-resistant pile construction safety and construction method thereof
  • Temporary side slope underground water lowering device for increasing slide-resistant pile construction safety and construction method thereof
  • Temporary side slope underground water lowering device for increasing slide-resistant pile construction safety and construction method thereof

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Embodiment Construction

[0018] like Figure 1 ~ Figure 3 As shown, this embodiment is a temporary groundwater reduction device for increasing the construction safety of anti-slide piles. The drainage ditch 5 is constructed on the upper part of the anti-slide pile area 6 to be constructed on the slope surface, and the slope surface of the upper part of the drainage ditch Corresponding to the anti-slide pile area 6 to be constructed, a row of drainage boreholes 1 is provided, and the drainage boreholes 1 enter the bedrock 2-3m below the estimated slip surface. Drainage borehole 1 is inserted with outsourcing filter geotextile drainage flower tube 2, and drainage flower tube 2 is connected to drainage ditch 5 through pumping and drainage mechanism.

[0019] In this embodiment, the pumping and drainage mechanism has a vacuum pump 4 , the water inlet of the vacuum pump 4 is connected to the inside of the drainage flower pipe 2 through the hose 3 , and the water outlet of the vacuum pump 4 is connected to ...

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Abstract

The invention relates to a temporary side slope underground water lowering device for increasing slide-resistant pile construction safety and a construction method there of. The invention aims to provide the temporary side slope underground water lowering device for increasing slide-resistant pile construction safety and the construction method thereof, so that during construction of a slide-resistant pile shaft, the level of underground water at the bottom of a slope is lowered temporarily; safety of a shaft wall is increased; and the amount of underground water which permeates in the pile shaft is reduced. The technical scheme of the temporary side slope underground water lowering device for increasing the slide-resistant pile construction safety is characterized in that a water drainageditch is arranged above slide-resistant pile construction planning zones on the slope; a plurality of water drainage drill holes are formed in the slope above the water drainage ditch corresponding to the slide-resistant pile construction planning zones; and the water drainage drill holes communicate with the water drainage ditch through a water pumping and draining mechanism. The temporary sideslope underground water lowering device is applicable to the technical field of geotechnical construction.

Description

technical field [0001] The invention relates to the technical field of geotechnical construction, in particular to a device for temporarily lowering groundwater on a side slope and a construction method thereof for increasing the construction safety of anti-slide piles. Background technique [0002] Anti-slide piles are mainly used in geological disaster control projects such as landslides and high slope diseases, and have now developed into a mature landslide control engineering measure. Its main anti-sliding principle is to stabilize the sliding body by means of the anti-sliding section below the sliding surface of the pile and the soil arch effect formed by the friction between the soil on the back of the pile and the two sides of the pile. The piles in the slide pass the unbalanced landslide thrust in the slide body to the lower stable rock and soil mass through the anti-slide piles, so as to stabilize and balance the slope body, and achieve the purpose of controlling la...

Claims

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Application Information

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IPC IPC(8): E02D19/10
CPCE02D19/10
Inventor 张春生赖道平吴关叶徐建荣何世海何明杰彭育郭传科
Owner POWERCHINA HUADONG ENG COPORATION LTD
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