Double-row bottom-expanded long and short combined anti-slide pile for slope supporting

A technology for anti-sliding piles and side slopes, which is applied in the field of double-row extended-bottom long-short combined anti-sliding piles for slope support, can solve the problems of large difference between internal force and deformation, and the front row piles cannot fully exert their anti-sliding ability. The effect of uniform force and deformation, reduction of landslide control cost, and large lateral stiffness

Inactive Publication Date: 2019-12-13
江苏省地质矿产局第三地质大队 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the research found that under the condition of a certain landslide thrust, the internal force and deformation between the front and rear rows of piles are quite different.

Method used

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  • Double-row bottom-expanded long and short combined anti-slide pile for slope supporting
  • Double-row bottom-expanded long and short combined anti-slide pile for slope supporting
  • Double-row bottom-expanded long and short combined anti-slide pile for slope supporting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as Figure 1-3 As shown, this embodiment is a combination of double-row bottom-expanding anti-slide piles for slope support. Tie beams 4; the rear expanded bottom anti-slide piles 2 are located at the rear edge of the landslide body 5, the front expanded bottom anti-sliding piles 1 and the rear expanded bottom anti-sliding piles 2 are fixed by nine connecting beams 4 and along the landslide body 5 The sliding direction is set, and the surface of the 9 connecting beams 4 forms a horizontal plane; the front row of bottom expansion anti-slide piles 1 and the rear row of bottom expansion anti-slide piles 2 are respectively composed of 9 bottom expansion anti-slide piles, and the bottom expansion anti-slide piles pass through The set (it is recommended to remove these three characters) pile top crown beam 3 is fixedly connected; the pile top crown beam 3 and the connecting beam 4 are vertically connected; 2 lengths. When the anti-slide piles 1 and 2 in the front row a...

Embodiment 2

[0026] Such as Figure 1-3 As shown, this embodiment is a combination of double-row bottom-expanding anti-slide piles for slope support. Tie beams 4; the rear expanded bottom anti-slide piles 2 are located at the rear edge of the landslide body 5, the front expanded bottom anti-sliding piles 1 and the rear expanded bottom anti-sliding piles 2 are fixed by nine connecting beams 4 and along the landslide body 5 The sliding direction is set, and the surface of the 9 connecting beams 4 forms a horizontal plane; the front row of bottom expansion anti-slide piles 1 and the rear row of bottom expansion anti-slide piles 2 are respectively composed of 9 bottom expansion anti-slide piles, and the bottom expansion anti-slide piles pass through The set (it is recommended to remove these three characters) pile top crown beam 3 is fixedly connected; the pile top crown beam 3 and the connecting beam 4 are vertically connected; 2 lengths. When the anti-sliding piles 1 and 2 in the front row...

Embodiment 3

[0028] Such as Figure 1-3 As shown, this embodiment is a combination of double-row bottom-expanding anti-slide piles for slope support. Tie beams 4; the rear expanded bottom anti-slide piles 2 are located at the rear edge of the landslide body 5, the front expanded bottom anti-sliding piles 1 and the rear expanded bottom anti-sliding piles 2 are fixed by nine connecting beams 4 and along the landslide body 5 The sliding direction is set, and the surface of the 9 connecting beams 4 forms a horizontal plane; the front row of bottom expansion anti-slide piles 1 and the rear row of bottom expansion anti-slide piles 2 are respectively composed of 9 bottom expansion anti-slide piles, and the bottom expansion anti-slide piles pass through The set (it is recommended to remove these three characters) pile top crown beam 3 is fixedly connected; the pile top crown beam 3 and the connecting beam 4 are vertically connected; 2 lengths. When the anti-sliding piles 1 and 2 in the front row a...

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Abstract

The invention discloses a double-row bottom-expanded long and short combined anti-slide pile for slope supporting. The double-row bottom-expanded long and short combined anti-slide pile comprises front-row bottom-expanded anti-slide pile bodies, rear-row bottom-expanded anti-slide pile bodies, pile top crown beams and connecting beams, both the front-row anti-slide pile bodies and the rear-row anti-slide pile bodies adopt bottom-expanded piles, and the pile length of the front-row bottom-expanded anti-slide pile bodies is less than that of the rear-row anti-slide pile bodies. Through the bottom expanding effect of the front-row anti-slide pile bodies and the rear-row anti-slide pile bodies, landslide thrust borne by the combined anti-slide pile is increased, force bearing and deformation between the front-row pile bodies and the rear-row pile bodies are regulated, and thus the anti-slide ability of the front-row pile bodies and the rear-row pile bodies can be given to full play; and meanwhile, the arrangement form that the position near a central line of landslide is dense and the two sides of the central line of the landslide are sparse is adopted so that the anti-slide pile bodies on the two sides of a landslide body can play a better role, and the landslide treatment cost is lowered.

Description

technical field [0001] The invention relates to an anti-slide pile, in particular to a double-row bottom-expanded long-short combination anti-slide pile for slope support. Background technique [0002] At present, geological disasters occur frequently, and anti-slide piles are one of the main types of support for landslide disasters. force. Double-row anti-slide piles have the advantages of large lateral rigidity and strong anti-sliding ability, so they have been applied in many landslide control projects. In the traditional design of double-row anti-slide piles, it is generally believed that the landslide thrust borne by the front and rear rows of anti-slide piles is the same. However, the research found that under the condition of a certain landslide thrust, the internal force and deformation between the front and rear rows of piles are quite different. Therefore, it is of great engineering and economic value to design a double-row anti-slide pile that can give full pla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/20E02D5/24
CPCE02D5/24E02D17/207
Inventor 王威刘顺青杨正玉姜啸黄贝贝崔雨
Owner 江苏省地质矿产局第三地质大队
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