globalchange  > 气候变化与战略
DOI: 10.1007/s11069-021-04516-z
论文题名:
Geometric model for toppling-prone deformation of layered reverse-dip slope
作者: Xie L.; Ge Y.; Zhang J.; Tan S.; Wang B.; Yan E.; Qin Y.; Wang J.; Shi C.; Yu G.
刊名: Natural Hazards
ISSN: 0921030X
出版年: 2021
卷: 106, 期:3
起始页码: 1879
结束页码: 1894
语种: 英语
中文关键词: Geometric factors ; Reverse-dip slope ; Support vector machine ; Toppling
英文关键词: deformation ; geometry ; numerical model ; slope dynamics ; support vector machine ; toppling
英文摘要: This paper presents the analyses of toppling response of layered reverse-dip slopes under the influence of geometric factors of slope angle, strata thickness and dip. The toppling response of reverse-dip slopes under different geometric factors is obtained by using the discrete element code UDEC. Then, a prediction model for toppling deformation is developed by utilizing support vector machine and the toppling-prone combinations of these geometric factors are determined from a total of 120 samples of reverse-dip slopes. The study has shown that the geometric model is a quarter of a spheroid with a slope angle of 80°, a strata dip of 80°, and a strata thickness of 0.19 m as the center. The length of the long equatorial radius of the spheroid is 31° (strata dip axial), that of the short equatorial radius is 21° (slope angle axial), and the polar radius is 0.075 m (strata thickness axial). And the ratio of long equatorial radius, short equatorial radius, and polar radius is 2.48:1.68:1.00. © 2021, The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/169470
Appears in Collections:气候变化与战略

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作者单位: College of Civil Engineering and Architecture, Xinjiang University, Urumqi, 830046, China; Xinjiang Civil Engineering Technology Research Center, Xinjiang University, Urumqi, 830046, China; Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong; Faculty of Engineering, China University of Geosciences, Wuhan, 430074, China; School of Civil Engineering, Qingdao University of Technology, Qingdao, 266033, China

Recommended Citation:
Xie L.,Ge Y.,Zhang J.,et al. Geometric model for toppling-prone deformation of layered reverse-dip slope[J]. Natural Hazards,2021-01-01,106(3)
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