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DOI | 10.1007/s11069-021-04516-z |
Geometric model for toppling-prone deformation of layered reverse-dip slope | |
Xie L.; Ge Y.; Zhang J.; Tan S.; Wang B.; Yan E.; Qin Y.; Wang J.; Shi C.; Yu G. | |
发表日期 | 2021 |
ISSN | 0921030X |
起始页码 | 1879 |
结束页码 | 1894 |
卷号 | 106期号:3 |
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. |
关键词 | Geometric factorsReverse-dip slopeSupport vector machineToppling |
英文关键词 | deformation; geometry; numerical model; slope dynamics; support vector machine; toppling |
语种 | 英语 |
来源期刊 | Natural Hazards |
文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/206671 |
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 |
推荐引用方式 GB/T 7714 | Xie L.,Ge Y.,Zhang J.,et al. Geometric model for toppling-prone deformation of layered reverse-dip slope[J],2021,106(3). |
APA | Xie L..,Ge Y..,Zhang J..,Tan S..,Wang B..,...&Yu G..(2021).Geometric model for toppling-prone deformation of layered reverse-dip slope.Natural Hazards,106(3). |
MLA | Xie L.,et al."Geometric model for toppling-prone deformation of layered reverse-dip slope".Natural Hazards 106.3(2021). |
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