The design of stiff in situ walls retaining overconsolidated clay part 1: short term behaviour

Bolton, M.D., Powrie, W. and Symons, I.F. (1990) The design of stiff in situ walls retaining overconsolidated clay part 1: short term behaviour. Ground Engineering, 23 (1).

Record type: Article

Abstract

This paper contains the summary of a previously published paper and for the abstract see IRRD 827411. It also contains clearer diagrams, a worked example which illustrates the new method of calculation, and the references and the conclusions as there was insufficient space to include these in the previous edition of the paper. The conclusions given are as follows:- (1) mobilised soil strengths depend only on the assumed shape of the lateral pressure diagram; (2) the calculation of mobilised strength in the temporary works condition can depend significantly on the possibility that water can enter tension cracks; (3) the influence of differences in shear strain between different soil zones can be explained; and (4) the undrained deflection of in-situ walls, either unpropped or propped near the top, can be estimated by assuming them to be rigid. Both parts 1 and 2 of the paper have also been published as a Transport and Road Research Laboratory Contractor Report CR 199 (see IRRD 830155).

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