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Destroyed in Seconds is an American television series that premiered on Discovery Channel on August 21, 2008. [2]Hosted by Ron Pitts, it features video segments of various things being destroyed fairly quickly (hence, "in seconds") such as planes crashing, explosions, sinkholes, boats crashing, fires, race car incidents, floods, factories, etc.
“Sinkholes can also form when natural water-drainage patterns are changed and new water-diversion systems are developed,” a USGS report states. “Some sinkholes form when the land surface is ...
A soccer field in Illinois situated above a mine has been closed after a giant sinkhole swallowed the ground up, leaving a gaping 100-foot-wide crater in the middle of a community park ...
A massive sink hole stretching 100 feet opened up in an Illinois park on Wednesday, swallowing a light pole in the middle of recreational fields and leaving a gaping, deep hole in its wake.
Groundwater can be considered one of the last free resources, as anyone who can afford to drill can usually draw up merely according to their ability to pump (depending on local regulations). However, as seen in the figure, pumping-induced draw down causes a depression of the groundwater surface around the production well. This can ultimately ...
the free length: the non-concreted length. Positioning of anchors and nails in an unstable rocky hillside When the anchorage acts over a short length it is defined as a bolt, which is not structurally connected to the free length, made up of an element resistant to traction (normally a steel bar of less than 12 m protected against corrosion by ...
The Red Lake sinkhole in Croatia. A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are also known as shakeholes, and to openings where surface water enters into underground passages known as ponor, swallow hole or swallet.
Sinkholes can range in size from a few feet wide to hundreds of acres, and anywhere from 1 to 100 feet or more deep. Sinkholes can swallow up cars, parts of roads and even houses.