Construction feasibility of flexible pipe for buried discharge culverts

Applicatio n of the flex ible pipe to the buried embankment culver t encounters many pr oblems, and determination of the appro pr iate metho d can make it wo rk. In this paper, t he wo rking mechanism of flex ible pipe was int roduced, and the constr uctio n measure o f "Groo ving metho d" was pro po sed. T he r atio nale of the const ruct ion measur e was ex plained, and then the feasibility of the measur e was ver ified throug h the field tests for H DPE w inding reinfor cement pipe. Based on the deformatio n v alues measured by the slide r esistance displacement sensor and the strain dat a measured by the fiber g rating , the defo rmatio n and st rain of t he pipe are minimal and the pipe has no elastic instability after t he construction w ith / Gr oo ving method0, w hich indi2 cated that / Groo ving met ho d0 can develo p the ability of sur ro unding soil and ther efo re the flex ible pipe can be used for bur ied discharg e culvert using this metho d.

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