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Large-scale deepseated landslide prevention and control structure and construction method thereof

A construction method and a deep-seated technology, which is applied in the direction of infrastructure engineering, excavation, construction, etc., can solve the problem of reducing the risk of excavating water collection wells and anti-slide piles, the limited bending resistance of large-diameter water collection wells, and the long construction period of anti-slide piles, etc. problems, to achieve the effect of reducing the risk of excavating water collection wells and anti-slide piles, avoiding manual digging construction, and reducing construction risks

Pending Publication Date: 2020-06-09
CHINA RAILWAY ERYUAN ENG GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to overcome the existing problems in the prior art: long construction period of conventional large-diameter anti-slide piles, high risk of manual excavation, easy disturbance of landslides, unsuitable for landslide prevention and control in the development period; bending resistance of conventional large-diameter water collection wells limited, easy to damage, and difficult to construct, provide a large-scale deep landslide prevention structure and its construction method, which can not only provide anti-slide piles with high resistance, but also have a water collection well with strong drainage capacity; Machine construction is suitable for landslide prevention and control in the development period, and the overall bending resistance is stronger, the construction is simpler and safer, and the risk of excavating water collection wells and anti-slide piles is reduced

Method used

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  • Large-scale deepseated landslide prevention and control structure and construction method thereof
  • Large-scale deepseated landslide prevention and control structure and construction method thereof
  • Large-scale deepseated landslide prevention and control structure and construction method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0061] Such as Figure 1 ~ Figure 4 A large-scale deep landslide prevention and control structure is shown, which includes: protection pile 1, crown beam 2, drainage retaining wall 3, well wall 4, isolation layer 5, drain hole 6, drainage pipe 7, bottom plate 8, and water collection well 9;

[0062] The protection piles 1 are evenly arranged in a circle, and the diameter of the formed circle should be 4-8m. The small protection piles are reinforced concrete bored piles, and the diameter should be 1.0-2.0m; the protection piles 1 wear Pass the sliding surface 11 and extend into the sliding bed 12 to a certain depth; on the one hand, the protection pile 1 is used as a protection structure for the excavation of the water collection well 9 to avoid collapse during the excavation process; The pile 1 can form a combined structure, which can provide an anti-sliding structure with greater resistance.

[0063] The crown beam 2 is located on the top of the protection pile 1, and is use...

Embodiment 2

[0072] Such as Figure 1-3 Shown, a kind of construction method for forming described large-scale deep landslide prevention and control structure described in the present embodiment, its construction steps are:

[0073] A1. Build water intercepting ditches around the sliding body 10 to divert and drain surface water within the range of sliding body 10;

[0074] A2. Level the site, stake out to determine the position of the surrounding protective pile 1;

[0075] A3. Jumping piles are used to drill holes for the surrounding protective piles 1, hoist the steel cage, and pour underwater concrete;

[0076] A4, tie the steel bars of the crown beam 2 on the top of the pile, install the formwork of the crown beam 2, and pour the crown beam 2 concrete;

[0077] A5. The water collection well 9 is excavated in sections from the surface of the sliding body, and the excavation depth of each section is 0.5-2m;

[0078] A6, laying outer isolation layer 51, can adopt short reinforcing bar...

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Abstract

The invention relates to the field of landslide prevention and control, in particular to a large-scale deepseated landslide prevention and control structure and a construction method thereof. The large-scale deepseated landslide prevention and control structure comprises a crown beam and a water collection well, wherein a plurality of guard piles are circumferentially arranged on the outer side ofthe water collection well, and the crown beam is connected with all the guard piles and arranged on the upper parts of the guard piles. The large-scale deepseated landslide prevention and control structure is provided with the anti-slide piles capable of providing large resistance and also provided with the water collection well with strong drainage capacity; little disturbance is caused to a slide mass, a machine can be used for construction, and the large-scale deepseated landslide prevention and control structure is suitable for landslide prevention and control in a development stage; andbesides, the overall bending resistance is higher, the construction is easier and safer, and the risk of excavating the water collection well and the anti-slide piles is reduced.

Description

technical field [0001] The invention relates to the field of landslide prevention and control, and specifically relates to a large-scale deep landslide prevention structure and a construction method thereof. Background technique [0002] Landslide disasters are widely distributed in my country, especially in the mountainous areas of southwest my country, such as along the Sichuan-Tibet Railway, where there are a large number of large, giant, and deep landslides, which seriously threaten the safety of people's lives and property. [0003] Large-scale deep landslides refer to landslides with a volume of more than 1 million cubic meters, which have the characteristics of large scale, thick landslides, large landslide thrust, and extremely difficult prevention and control. At present, for the prevention and control of large deep landslides, two measures are mainly adopted: interception and drainage and anchoring: [0004] 1. Anti-slide piles in anchorage measures, especially la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/20
CPCE02D17/207
Inventor 张东卿薛元刘菀茹肖朝乾周波周文洋张硕张涛姜瑞雪邱永平
Owner CHINA RAILWAY ERYUAN ENG GRP CO LTD
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