IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2017  > Vol14 No.6
Active earth pressure acting on retaining wall considering anisotropic seepage effect
HU Zheng; YANG Zhong-xuan; Stephen Philip WILKINSON
Corresponding AuthorYANG Zhong-xuan
2017-06
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume14Issue:6Pages:1202-1211
Subtype期刊论文
AbstractThis paper presents a general solution for active earth pressure acting on a vertical retaining wall with a drainage system along the soil-structure interface. The backfill has a horizontal surface and is composed of cohesionless and fully saturated sand with anisotropic permeability along the vertical and horizontal directions. The extremely unfavourable seepage flow on the back of the retaining wall due to heavy rainfall or other causes will dramatically increase the active earth pressure acting on the retaining walls, increasing the probability of instability. In this paper, an analytical solution to the Laplace differential governing equation is presented for seepage problems considering anisotropic permeability based on Fourier series expansion method. A good correlation is observed between this and the seepage forces along a planar surface generated via finite element analysis. The active earth pressure is calculated using Coulomb's earth pressure theory based on the calculated pore water pressures. The obtained solutions can be degenerated into Coulomb's formula when no seepage exists in the backfill. A parametric study on the influence of the degree of anisotropy in seepage flow on the distribution of active earth pressure behind the wall is conducted by varying ratios of permeability coefficients in the vertical and horizontal directions, showing that anisotropic seepage flow has a prominent impact on active earth pressure distribution. Other factors such as effective internal friction angle of soils and soil/wall friction conditions are also considered.
KeywordActive Earth Pressure Seepage Anisotropicpermeability Retaining Wall Fourier Seriesexpansion Cohesionless Soils
DOI10.1007/s11629-016-4014-3
Indexed BySCI
Language英语
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18738
CollectionJournal of Mountain Science_Journal of Mountain Science-2017_Vol14 No.6
Recommended Citation
GB/T 7714
HU Zheng,YANG Zhong-xuan,Stephen Philip WILKINSON. Active earth pressure acting on retaining wall considering anisotropic seepage effect[J]. Journal of Mountain Science,2017,14(6):1202-1211.
APA HU Zheng,YANG Zhong-xuan,&Stephen Philip WILKINSON.(2017).Active earth pressure acting on retaining wall considering anisotropic seepage effect.Journal of Mountain Science,14(6),1202-1211.
MLA HU Zheng,et al."Active earth pressure acting on retaining wall considering anisotropic seepage effect".Journal of Mountain Science 14.6(2017):1202-1211.
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