Johannasburg Sinkhole Opens after Tunnel Collapse

An arena being built for the Philadelphia Flyers’ minor league affiliate hockey team will be founded on micropiles to mitigate possible sinkhole problems in the limestone bedrock. The arena in located at the site of […]

The Bayou Corne Sinkhole was formed near Baton Rouge Louisiana last September, likely as a result of the failure of salt caverns below. This video shows a stand of trees being swallowed by the sinkhole […]

Hillsborough County Florida is using a mix of expanding polyurethane foam and conventional cement grout as a more cost effective means of filling sinkholes. Officials say the mix uses 30 to 40% less grout adding […]