Large sinkhole on St-Catherine and Guy
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08-09-2013, 04:10 AM
Join Date: Jun 2008
Originally Posted by
Don't sink holes have more to do with the general instability on which the land is built rather than the way the roads and infrastructure are constructed? Any civil engineers here?
Not an engineer, but had the same thought as you. Appears to be confirmed by this wiki entry:
A sinkhole, also known as a sink-hole, sink, swallow hole, shakehole, swallet or doline, is a natural depression or hole in the Earth's surface which may have various causes. Some are caused by karst processes—for example, the chemical dissolution of carbonate rocks or suffosion processes in sandstone. Others are formed as a result of the collapse of old mine workings close to the surface.
Nonetheless, there may be some flaws/deterioration in the infrastructure which may be responsible for them as well.
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