<p>In order to assess the influence of different foam types on compressibility behavior of conditioned sand, a set of tests were performed on three gradation of sandy soil. Some index tests were also undertaken for verifying foam agents characteristics and ...

This paper discusses the stability of underground pipelines with preformed vertical bends buried in sandy soil. More specifically, the minimum cover height required to prevent the pipe from bowing under the action of forces due to temperature change and internal ...