Florida Agency Using Cement-Polyurethane Foam Mix to Plug Sinkholes

May 6, 2009 rockman Available Resources Comments Off on Florida Agency Using Cement-Polyurethane Foam Mix to Plug Sinkholes

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 up to a 30% cost savings. The article in the Tampa Tribune did not indicate the contractor or product name that they are using but apparently several agencies in California and other states are using the same material. Story via ASCE SmartBrief.

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Dead Sea Sinkholes, photo by urban_hipster via Flickr
Geologic Hazards

Dead Sea Sinkhole Could Swallow Tourists, Close Facilities

June 25, 2009 rockman Geologic Hazards Comments Off on Dead Sea Sinkhole Could Swallow Tourists, Close Facilities

Sinkholes at the Dead Sea have threatened tourists and forced Israeli (and perhaps Jordanian)authorities to close various facilities and cancel development plans to avoid these geologic hazards. These are not your typical Karst sinkholes. According […]