Browsing Theses and Dissertations (Civil Engineering) by Author "Breyl, Jacobus"

Browsing Theses and Dissertations (Civil Engineering) by Author "Breyl, Jacobus"

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  • Sinkhole formation due to subsurface erosion above undermined ground 
    Breyl, Jacobus (University of Pretoria, 2019)
    In November 2016, 38 sinkholes formed due to subsurface erosion above undermined ground on Donkerhoek farm near Sasolburg. The fact that the sinkholes formed more than 24 years after mining in the area ceased, emphasised ...