Seismic stability analysis of gravity retaining wall supporting c–φ soil with cracks
| Autor: | Xinpo Li, Qiwei Yan, Xiaoqin Lei, Shuxi Zhao, Siming He |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
021110 strategic
defence & security studies Gravity (chemistry) Seismic stability Yield (engineering) 0211 other engineering and technologies Failure mechanism 02 engineering and technology Geotechnical Engineering and Engineering Geology Retaining wall Acceleration Limit analysis Geotechnical engineering Geology 021101 geological & geomatics engineering Civil and Structural Engineering |
| Zdroj: | Soils and Foundations. 59:1103-1111 |
| ISSN: | 0038-0806 |
| DOI: | 10.1016/j.sandf.2019.01.004 |
| Popis: | This article presents an analytical approach for the seismic stability analysis of gravity retaining wall with c–φ backfill soil. Cracks which are pre-existing (open before the collapse) and are form as part of slope collapse are considered. For a translational failure mechanism assumed, formulas are provided to calculate directly the yield acceleration and the inclination of failure surface. Factors such as cracks and cracks opening, wall back inclination, soil-wall friction, backfill slope are easily to be coupled into the formulations. Both the depth and most adverse location of the crack can be determined from the optimization procedure. Comparisons are made with existing methods and the influences of cracks opening are discussed. The influence of a crack presence on seismic stability of soil-wall system is distinct and pre-existing (opened) cracks have more adverse effect. |
| Databáze: | OpenAIRE |
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