Sinkhole hazard case histories in karst terrains

  title={Sinkhole hazard case histories in karst terrains},
  author={Tony Waltham},
  journal={Quarterly Journal of Engineering Geology and Hydrogeology},
  pages={291 - 300}
  • T. Waltham
  • Published 2008
  • Geology
  • Quarterly Journal of Engineering Geology and Hydrogeology
With few exceptions, the ground collapses that constitute the karst geohazard in engineering activity in limestone terrains are induced by human activity. Subsidence sinkholes, formed entirely within the soil profile, constitute the most widespread karst geohazard, but are largely induced by engineered works, either directly or accidentally. Water table decline (as a result of pumped abstraction or quarry de-watering) and uncontrolled surface drainage input are the two key factors that induce… Expand
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