Transverse Seismic Waves at Pipeline Junctions

by Michael J. O'Rourke, (M.ASCE), Assoc. Prof.; Dept. of Civ. Engrg., Rensselaer Polytechnic Inst., Troy, N.Y.,
Richard R. Pikul, (M.ASCE), Assoc.; Clough Assocs., Albany, N.Y.,
Leon R. L. Wang, (M.ASCE), Prof. of Civ. Engrg. and Environmental Science; Univ. of Oklahoma, Norman, Okla.,

Serial Information: Journal of the Technical Councils of ASCE, 1982, Vol. 108, Issue 1, Pg. 173-177

Document Type: Journal Paper


The effects of transverse seismic wave propagation at junctions in a buried pipeline network are studied. Relationships for the bending strain induced in the pipeline segments intersecting at a network junction are presented. It is shown that the bending strain is a function of the peak ground velocity, the propagation velocity of the transverse seismic waves with respect to the ground surface, the flexural rigidity of the pipeline segments, and the lateral stiffness of the soil surrounding the pipeline. An example problem is presented to illustrate the procedures for determining these bending strains.

Subject Headings: Seismic waves | Buried pipes | Pipe networks | Strain | Wave velocity | Seismic tests | Pipelines | Wave propagation

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