RESEARCH ON MECHANICS OF OBLIQUE-VERTICAL ALTERNATE PILES IN SLOPES

DIAO Yu; JIN Zhuangzhuang; HUANG Sheng; YANG Chao; ZHU Pengyu; BI Cheng; MA Aoyang

doi:10.13204/j.gyjzG20031006

Volume 50 Issue 11

Mar. 2021

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Huang Yasheng, Chen Xiaobao, Ma Hongwang, Yang Jianjun, LüMengying. THE MINIMUM DEPTH OF THE GIRDER OF PRESTRESSED CONCRETE FRAME DUE TO REQUIREMENT OF PRESTRESS DEGREE FOR ASEISMIC DESIGN[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(6): 14-16. doi: 10.13204/j.gyjz200506004

Citation:

DIAO Yu, JIN Zhuangzhuang, HUANG Sheng, YANG Chao, ZHU Pengyu, BI Cheng, MA Aoyang. RESEARCH ON MECHANICS OF OBLIQUE-VERTICAL ALTERNATE PILES IN SLOPES[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(11): 91-96. doi: 10.13204/j.gyjzG20031006

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RESEARCH ON MECHANICS OF OBLIQUE-VERTICAL ALTERNATE PILES IN SLOPES

doi: 10.13204/j.gyjzG20031006

1. Key Laboratory of Coast Civil Structure Safety of Ministry of Education, Tianjin University, Tianjin 300072, China;
2. Department of Civil Engineering, Tianjin University, Tianjin 300072, China;
3. Chengdu Jinlu Communication Investment Construction Co., Ltd., Chengdu 610400, China

Received Date: 2020-03-10
Available Online: 2021-03-31

Abstract

Abstract

Through research and application in deep excavation without horizontal supports, oblique-vertical alternate piles have been popularized gradually in practice and proven effective in controlling deformation and stability of slopes. To study the mechanical characteristics of the technique, a model test and infinite element analysis by Plaxis 2D were performed. The results showed that compared with vertical piles, oblique-vertical alternate piles were more advantageous in controlling deformation and improving stability of slope. The lateral deformation of piles decreased with the increase tilt angles of oblique piles. And when the distances between piles and toes of slopes increased, the lateral deformation and bending moment of piles increased accordingly. In engineering practice, site and construction conditions should be considered to achieve more safety and economic.
- oblique-vertical alternate piles,
- slope,
- model test,
- finite element method,
- stability

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References

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