Structural performance of storm water detention system with bundled high-density polyethylene pipes.

Author(s)
Folkman, S.L. & Moser, A.P.
Year
Abstract

Buried parallel pipes are used for storm retention systems. Traditional retention-detention systems have spaced parallel pipes that permit soil columns between pipes. A new design allows for the parallel pipes to be placed side by side in contact with each other. The performance of such a system of bundled high-density polyethylene (HDPE) pipes that is subjected to vertical earth loads is reported. This bundled system consists of parallel HDPE pipes wrapped with a geogrid and a geofabric. The actual loads ranged from shallow cover to vertical loads equivalent to 55 ft (16.8 m) of cover. The embedment soil selected for the research was a silty sand. This soil was selected because its structural qualities are generally considered to be the least acceptable for these types of applications. The soil that typically would be specified is a crushed stone. Therefore, the results from the tests are conservative. Structural performance is reported, and photographs present the pipes in the bundled system during installation and after subjection to earth loads. Load-deflection curves for the pipes in the system are also given.

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Publication

Library number
C 33094 (In: C 33074 S [electronic version only]) /20 / ITRD E828648
Source

Transportation Research Record. 2003. (1845) pp182-187 (14 Phot., 6 Fig., 2 Ref.)

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