A Pseudodynamic Approach of Seismic Active Pressure on Retaining Walls Based on a Curved Rupture Surface
Reasonable determination of the magnitude and distribution of dynamic earth pressure is one of the major challenges in the seismic design of retaining walls. Based on the principles of pseudodynamic method, the present study assumed that the critical rupture surface of backfill soil was a composite...
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Series: | Mathematical Problems in Engineering |
Online Access: | http://dx.doi.org/10.1155/2020/6462034 |
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doaj-d7965076f367428fb2df9b0ada43b0e52020-11-25T02:06:19ZengHindawi LimitedMathematical Problems in Engineering1024-123X1563-51472020-01-01202010.1155/2020/64620346462034A Pseudodynamic Approach of Seismic Active Pressure on Retaining Walls Based on a Curved Rupture SurfaceZuofei Yan0Yahong Deng1Jia He2You Xuan3Wei Wu4Department of Geological Engineering, Chang’an University, Xi’an 710064, ChinaDepartment of Geological Engineering, Chang’an University, Xi’an 710064, ChinaDepartment of Geological Engineering, Chang’an University, Xi’an 710064, ChinaDepartment of Geological Engineering, Chang’an University, Xi’an 710064, ChinaDepartment of Geological Engineering, Chang’an University, Xi’an 710064, ChinaReasonable determination of the magnitude and distribution of dynamic earth pressure is one of the major challenges in the seismic design of retaining walls. Based on the principles of pseudodynamic method, the present study assumed that the critical rupture surface of backfill soil was a composite curved surface which was in combination with a logarithmic spiral and straight line. The equations for the calculation of seismic total active thrusts on retaining walls were derived using limit equilibrium theory, and earth pressure distribution was obtained by differentiating total active thrusts. The effects of initial phase, amplification factor, and soil friction angle on the distribution of seismic active earth pressure have also been discussed. Compared to pseudostatic and pseudodynamic methods for the determination of planar failure surface forms, the proposed method receives a bit lower value of seismic active earth pressures.http://dx.doi.org/10.1155/2020/6462034 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Zuofei Yan Yahong Deng Jia He You Xuan Wei Wu |
spellingShingle |
Zuofei Yan Yahong Deng Jia He You Xuan Wei Wu A Pseudodynamic Approach of Seismic Active Pressure on Retaining Walls Based on a Curved Rupture Surface Mathematical Problems in Engineering |
author_facet |
Zuofei Yan Yahong Deng Jia He You Xuan Wei Wu |
author_sort |
Zuofei Yan |
title |
A Pseudodynamic Approach of Seismic Active Pressure on Retaining Walls Based on a Curved Rupture Surface |
title_short |
A Pseudodynamic Approach of Seismic Active Pressure on Retaining Walls Based on a Curved Rupture Surface |
title_full |
A Pseudodynamic Approach of Seismic Active Pressure on Retaining Walls Based on a Curved Rupture Surface |
title_fullStr |
A Pseudodynamic Approach of Seismic Active Pressure on Retaining Walls Based on a Curved Rupture Surface |
title_full_unstemmed |
A Pseudodynamic Approach of Seismic Active Pressure on Retaining Walls Based on a Curved Rupture Surface |
title_sort |
pseudodynamic approach of seismic active pressure on retaining walls based on a curved rupture surface |
publisher |
Hindawi Limited |
series |
Mathematical Problems in Engineering |
issn |
1024-123X 1563-5147 |
publishDate |
2020-01-01 |
description |
Reasonable determination of the magnitude and distribution of dynamic earth pressure is one of the major challenges in the seismic design of retaining walls. Based on the principles of pseudodynamic method, the present study assumed that the critical rupture surface of backfill soil was a composite curved surface which was in combination with a logarithmic spiral and straight line. The equations for the calculation of seismic total active thrusts on retaining walls were derived using limit equilibrium theory, and earth pressure distribution was obtained by differentiating total active thrusts. The effects of initial phase, amplification factor, and soil friction angle on the distribution of seismic active earth pressure have also been discussed. Compared to pseudostatic and pseudodynamic methods for the determination of planar failure surface forms, the proposed method receives a bit lower value of seismic active earth pressures. |
url |
http://dx.doi.org/10.1155/2020/6462034 |
work_keys_str_mv |
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