Johannasburg Sinkhole Opens after Tunnel Collapse
Available Resources
Ground penetrating radar being used to detect potential sinkholes around sewer pipes
When sewer pipes crack and leak, the surrounding ground becomes saturated and soil can migrate into the pipe and leave behind a void. Eventually this void can expand until it undermines the pavement or other […]
Failures
Tunnel collapses at Hanford nuclear waste site
A 20 foot section of a tunnel collapsed at the PUREX facility at the Department of Energy’s Hanford Nuclear Site in Washington State. The PUREX facility was used to extract plutonium for weapons from spent […]
Failures
Tunneling ground loss sinkhole opens in Beijing street, swallows truck
On April 26, a sinkhole opened up in a busy Beijing street in China’s capital city, swallowing up a truck. According to news reports, the driver and passenger jumped out of the vehicle before it […]