Johannasburg Sinkhole Opens after Tunnel Collapse
Project Related
More Trouble for Bertha TBM, Sinkhole, Tunneling Suspended
The Bertha TBM creating the Alaska Way Viaduct Replacement Tunnel and the Seattle Tunnel Partners JV just can’t seem to catch a break. After being stopped for nearly 2 years to replace the entire cutterhead […]
Geologic Hazards
5 of 8 Corvettes Rescued from Sinkhole
Here is an update on the Corvette Museum Sinkhole. A contractor has been busy trying to extract some of the priceless Corvettes from the sinkhole that opened up under the museum floor. If you missed […]
Articles
Ever get that sinkhole feeling?
It takes planning and good leadership to decide on an effective solution to problems associated with a building asset. Recently, a large wholesale warehouse facility in Cincinnati began to experience large sinkholes across a significant portion of their customer parking lot. Unable to determine the problem at that time, store management was forced to close a portion of the parking lot, inconveniencing their customers. This particular parking lot is unusual in that a drainage system is located directly under the parking lot, consisting of a network of pipes spanning 250 feet in length and 12” in diameter. Joint separations in the underground drainage piping had caused enough soil erosion to create sinkholes in the asphalt. Engineers were concerned that other unknown sinkholes could cave in anytime, resulting in further costly damage, and potentially posing safety hazards to customers.
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