UNDRAINED STABILITY OF BRACED EXCAVATIONS IN CLAY CONSIDERING THE NONSTATIONARY RANDOM FIELD OF UNDRAINED SHEAR STRENGTH

Undrained stability of braced excavations in clay considering the nonstationary random field of undrained shear strength

Abstract The basal heave stability of supported excavations is an essential problem in geotechnical engineering.This paper considers the probabilistic analysis of 343 basal heave stability of supported excavations with spatially random soils by employing the random adaptive finite element limit analysis and Monte Carlo simulations to simulate all p

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Weed flora of South Africa 1: major groupings

Whilst attention has been focussed on combating priority weeds we have neglected to obtain an overall picture of our weed flora.To rectify the position a National Weed List has been compiled, the weeds have been classified and an analysis made Multiminerals of the weed flora.Aspects covered in this paper are: major taxa, exotic and indigenous speci

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