This study investigates how the combination of steel fiber, crumb rubber, synthetic fiber, and conventional steel cage will improve the ductility of regular concrete pipes and thin-walled semi-rigid concrete pipes. In this study, pipes with four different concrete mixtures were …
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In June 1992, a full-scale field test was conducted at Louisiana Tech University to determine the capability of a new microtunneling propulsion system called "LLB" (Laying pipes of Low Bearing force) to install a polyvinyl chloride (PVC) pipe in a range of soil conditions. The t…