ABSTRACT

The soil-pipe interaction in an artificial landslide condition has been investigated. Each small scale slope instability was triggered by loading a rigid strip footing on the crest of the slope. Five scenarios with different assigned pipe positions have been designed to study the soil-pipe interaction. The failure mechanisms and pipe movements were observed with the aid of PIV analysis. Furthermore, two dimensional finite element slope models in the plane-strain condition were built to simulate the experimental tests and to obtain the maximum external stresses imposed to the pipes caused by the slope failures. Results indicate that the modification of the Audibert & Nyman (1977) method with a geometrical factor can be used to estimate the maximum normal stress on a pipe buried in a slope.