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.
Geologic Hazards
Huge Sinkhole over 30-stories Deep Opens in Guatemala City
Tropical Storm Agatha that hammered Guatemala over the weekend also was likely a catalyst in the final collapse of a massive 100-ft wide by at least 200-ft deep sinkhole in Guatemala City. The sinkhole swallowed […]
Failures
Hayward Baker’s Emergency Sinkhole Repair, US 24, Colorado
Hayward Baker has been working 18-hour days for Colorado DOT to repair a sinkhole on US 24 caused by an abandoned railroad tunnel. The link below takes you to a photo gallery on Hayward Baker’s […]
Geologic Hazards
NFL’s Titans eye $250k Compaction Grouting fix for sinkhole at LP Stadium
Hayward Baker will be the geotechnical contractor for the compaction grouting. The article draws a HORRIBLE comparison between compaction grouting and the ‘top kill’ that BP tried to stop the oil leak in the gulf. […]