n Journal of the South African Institution of Civil Engineers - The method of scenario supposition for stability evaluation of sites on dolomitic land in South Africa : technical paper




The 'method of scenario supposition' described here provides a framework of reference for the evaluation of ground-surface stability on dolomitic land and requires that hypotheses be made regarding the probable impact of man's activities on the dolomitic karst environment during the lifetime of a development. The characterization process results in the classification of stability in terms of the risk of sinkhole and doline formation. Factors for the characterization of the risk and the associated terminology are defined and proposals are made concerning appropriate development in relation to identified risk categories.

Die 'metode van scenario-veronderstelling- wat hier beskryf word, voorsien 'n verwysingsraamwerk vir die evaluering van oppervlakstabiliteit op dolomitiese grond en vereis dat hipoteses gemaak word rakende die waarskynlike impak van menslike aktiwiteite op dolomitiese karstterreine binne die leeftyd van 'n ontwikkelingsprojek. Die karakteriseringsproses voorsien 'n klassifikasie van stabiliteit in terme van die risiko vir sinkgat- en doline vorming. Faktore vir die karakterisering van die risiko en van verwante terminologie word gedefinieer en voorstelle word gemaak met betrekking tot toepaslike ontwikkeling ten opsigte van die kategoriee van risiko wat geidentifiseer is.


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