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SCI thesis: Mechanism of reactivated Badu landslide in the Badu Mountain area, Southwest China

发布人:admin 发布时间:2015-06-14 浏览量:   【字体:

Title: Mechanism of reactivated Badu landslide in the Badu Mountain area, Southwest China

Author: Xue, DM (Xue, Demin) ; Li, TB* (Li, Tianbin) ; Wei, YX (Wei, Yongxing) ; Gao, MB (Gao, Meiben)

JournalEnvironmental Earth Sciences

Volume: 73  Issue: 8  Page: 4305-4312

DOI: 10.1007/s12665-014-3714-7

Year: APR 2015

Abstract:

This paper presented the reactivated mechanism of Badu landslide according to site investigations, monitoring, finite element and limit equilibrium analyses. Finite element analysis incorporating a stability analysis with the finite element stress-based method revealed a large railway cut triggered a localized slide in the upper part of Badu landslide rather than a global failure, and piles in three rows were effective in stabilizing the reactivated zone. Monitoring results and the limit equilibrium analysis showed that the landslide underwent multi-instabilities rather than a global failure due to a rise in groundwater table in rainy season. The mechanism of reactivated Badu landslide was finally proposed, i.e., "grading creeping-sliding" mechanism, which helped designers to propose the most suitable mitigation measures to stabilize the landslide.

Key Words: Landslide; Slope stability; Mechanism; Excavation; Rainfall

Accession Number: WOS:000351453600028

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