INFLUENCE OF TRANSVERSE SHEAR RESISTANCE OF SOIL NAILS ON SLOPE STABILITY

TIAN Kun; ZHU Honghu; ZHANG Chengcheng

doi:10.13544/j.cnki.jeg.2022-0459

2022 Vol. 30, No. 5

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Article navigation > Journal of Engineering Geology > 2022 > 30(5): 1744-1752

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TIAN Kun, ZHU Honghu, ZHANG Chengcheng. 2022. INFLUENCE OF TRANSVERSE SHEAR RESISTANCE OF SOIL NAILS ON SLOPE STABILITY[J]. Journal of Engineering Geology, 30(5): 1744-1752. doi: 10.13544/j.cnki.jeg.2022-0459

Citation:

TIAN Kun, ZHU Honghu, ZHANG Chengcheng. 2022. INFLUENCE OF TRANSVERSE SHEAR RESISTANCE OF SOIL NAILS ON SLOPE STABILITY[J]. Journal of Engineering Geology, 30(5): 1744-1752. doi: 10.13544/j.cnki.jeg.2022-0459

INFLUENCE OF TRANSVERSE SHEAR RESISTANCE OF SOIL NAILS ON SLOPE STABILITY

TIAN Kun^①,,
ZHU Honghu^{②,③, ,},
ZHANG Chengcheng^②

①
Three Gorges Geotechnical Consultants Co., Ltd., Wuhan 430074, China
②
School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
③
Nanjing University High-Tech Institute at Suzhou, Suzhou 215123, China
Fund Project:
国家自然科学基金(资助号：42225702，42077235)

More Information

Corresponding author: ZHU Honghu, E-mail: zhh@nju.edu.cn

Received Date: 30 June 2022

Revised Date: 29 August 2022

Publish Date: 25 October 2022

Abstract

Abstract

Soil nailing is an economic and convenient method for slope stabilization and excavation support. In engineering practice,geotechnical practitioners only take tensile forces into consideration during design,regardless of shear forces. To investigate the contribution of the shear effect of soil nails to the stability of clay slopes,this paper draws attention to the effect of shear forces on the factor of safety and potential failure surface,using Geo-studio's slope/W mode,and concludes some suggestions to soil nailing designing. The result demonstrates that the increase of shear force can increase optimized nail inclination and makes potential failure surface move towards the back of slope. Also,the shear forces can generate approximately 30% to 50% improvement to factor of safety with the ratio of tensile capacity and shear capacity increasing from 0 to 0.5.
- Soil nailing /
- Transverse shear resistance /
- Limit equilibrium /
- Sliding surface

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References

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