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People being rescued from a Bangkok sinkhole.
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Previously:
Massive sinkhole - GIF
Sinkhole demonstration model - GIF
Sinkhole suddenly appears behind man - GIF
Sinkhole swallows bus in China - GIF
Sinkhole swallows bus in Pittsburgh - photo and video
Hi Gang:
Where does the sink hole go? Must be a huge void down there!
Carl.
Must have been a huge broken storm drain that had been broken fir years slowly undermining by carrying the soil away Something like that could go undetected for decadesQuote:
Originally Posted by carl blum
That large pipe is a main contributor to soil erosion. Water is the biggest eroder. At some point in time, the large pipe will end up hanging on its own weight with no soil underneath, crack and accelerate erosion.
Bote the even larger pipe at the bottom where the water and soil are exiting must have been a riser pipe and either elbows or a T involved at one time in the pastQuote:
Originally Posted by mansworld
The biggest problem in storm drains is what is required to get from ground level down to the main line the risers and down tubes have to be designed to account for natural heaving and settling