Bouyancy of Corrugated Metal Pipe
Bouyancy of Corrugated Metal Pipe
(OP)
What are some calculations that can be used in high water table regions that test situations concerning flotation of storm pipe(namely CMP)? Thanks for the help.
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RE: Bouyancy of Corrugated Metal Pipe
RE: Bouyancy of Corrugated Metal Pipe
The calculation is usually done for a one foot section of pipe.
Forces up equal to the volume of the pipe X the unit weight of water.
Forces down equal the weight of the pipe plus the weight of the prism of
soil over the pipe. For the soil below the water table use a unit weight of
the dry unit of the soil minus the unit weight of the water.( if the pipe is
empty ie. no water flowing in it, the weight of the water in the pipe can not
be counted as part of the force down.)
To keep the pipe from floating the force down needs to exceed the force
up. It is good practice to add a safety factor to this calculation.
RE: Bouyancy of Corrugated Metal Pipe
Carl
RE: Bouyancy of Corrugated Metal Pipe