Drainage system performance after 20 years

Drainage system performance after 20 years

Blog Article

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 grandpas best a heavy clay soil at the Imperial Valley Agricultural Center at El Centro, California in January 1964.Drain lines were laid at a turbosound ts-18sw700/8a 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.