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http://dx.doi.org/10.12989/gae.2015.8.3.461

Coefficient charts for active earth pressures under combined loadings  

Zheng, De-Feng (School of Urban and Environmental Science, Liaoning Normal University)
Nian, Ting-Kai (School of Civil Engineering & State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology)
Liu, Bo (School of Civil Engineering & State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology)
Yin, Ping (Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Ministry of Land and Resources)
Song, Lei (State Key Laboratory for GeoMechanics and Deep Underground Engineering, China University of Mining and Technology)
Publication Information
Geomechanics and Engineering / v.8, no.3, 2015 , pp. 461-476 More about this Journal
Abstract
Rankine's theory of earth pressure cannot be directly employed to c-${\phi}$ soils backfill with a sloping ground subjected to complex loadings. In this paper, an analytical solution for active earth pressures on retaining structures of cohesive backfill with an inclined surface subjected to surcharge, pore water pressure and seismic loadings, are derived on the basis of the lower-bound theorem of limit analysis combined with Rankine's earth pressure theory and the Mohr-Coulomb yield criterion. The generalized active earth pressure coefficients (dimensionless total active thrusts) are presented for use in comprehensive design charts which eliminate the need for tedious and cumbersome graphical diagram process. Charts are developed for rigid earth retaining structures under complex environmental loadings such as the surcharge, pore water pressure and seismic inertia force. An example is presented to illustrate the practical application for the proposed coefficient charts.
Keywords
retaining walls; active earth pressure; Rankine's theory; coefficient charts; combined loadings;
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Times Cited By KSCI : 1  (Citation Analysis)
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