University of California

Drainage system performance after 20 years


Mark E. Grismer
Ian C. Tod
Frank E. Robinson

Publication Information

Hilgardia 42(3):24-25. DOI:10.3733/ca.v042n03p24. May 1988.

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As part of a study of the longevity and effectiveness of clay, bituminous fiber, and concrete drainage pipes, several pairs of these pipes were installed in a heavy clay soil at the Imperial Valley Agricultural Center at El Centro, California in January 1964. Drain lines were laid at a depth of 7 feet and a spacing of 120 feet. Bituminous-fiber drains were installed in a fiberglass envelope; washed gravel was used to enclose the clay and concrete pipes.

Grismer M, Tod I, Robinson F. 1988. Drainage system performance after 20 years. Hilgardia 42(3):24-25. DOI:10.3733/ca.v042n03p24
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