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A New Technique of Lattice Beam Construction with Pre-Anchoring for Strengthening Cut Slope: A Numerical Analysis of Temporary Stability during Excavation

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成果类型:
期刊论文
作者:
Fan, Junwei;Yang, Shijiao;Deng, Bo;Sun, Bing;Liu, Taoying
通讯作者:
Bo Deng
作者机构:
[Yang, Shijiao; Fan, Junwei] Univ South China, Sch Resource Environm & Safety Engn, Hengyang 421001, Peoples R China.
[Deng, Bo; Fan, Junwei; Sun, Bing] Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.
[Liu, Taoying] Cent South Univ, Sch Resources & Safety Engn, Changsha 410012, Peoples R China.
通讯机构:
[Bo Deng] S
School of Civil Engineering, University of South China, Hengyang 421001, China<&wdkj&>Author to whom correspondence should be addressed.
语种:
英文
关键词:
cutting slope;pre-setting anchor;lattice beam;slope stability;multi-excavation
期刊:
Buildings
ISSN:
2075-5309
年:
2022
卷:
12
期:
11
页码:
1930-
基金类别:
Funding acquisition, J.F. and B.D.; Methodology, S.Y., B.D. and B.S.; Visualization, B.S.; Writing—original draft, J.F. and S.Y.; Writing—review and editing, B.D., B.S. and T.L. All authors have read and agreed to the published version of the manuscript. This research was funded by the General project of the Hunan Provincial Education Department (20C1608 and 21C0269) and the Science Foundation for Youths of Hunan Province of China (2021JJ40460).
机构署名:
本校为第一机构
院系归属:
土木工程学院
摘要:
In consideration of the temporary stability of the cutting slope during construction and its permanent stability under long-term service, a new technique of lattice beam construction with anchors pre-set in the slope from the original ground surface before cutting was proposed, and its construction process was briefly introduced. Compared with the model without pre-set anchors, the effectiveness of pre-setting anchors to strengthen the cutting slope during multi-excavation was verified in the numerical software FLAC(3D). Various factors such as the factor of safety (FOS) and the maximum shear ...

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