Pipeline damages caused by earthquake excitations in the longitudinal direction of a pipeline have been observed to be a major mode of failure. A simplified quasi-static seismic deformation analysis neglecting the dynamic terms for buried pipelines subjected to earthquake motions in the axial direction is proposed. The analysis involves the solution of a system of static equilibrium equations of a pipeline which consists of rigid pipe-segments and flexible joint springs. Using this model, parametric studies involving soil-pipe interaction parameters, time delay of the traveling seismic waves, soil variations along the pipeline, end conditions and variation of the seismic wave form are performed. Results obtained indicate that the delay time of seismic waves and the non-uniformity of soil resistance have much greater effects on the response behavior of buried pipelines than other parameters.
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February 1979
Research Papers
Seismic Response Behavior of Buried Pipelines
L. R.-L. Wang
,
L. R.-L. Wang
Department of Civil Engineering, Rensselaer Polytechnic Institute, Troy, N. Y. 12181
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K.-M. Cheng
K.-M. Cheng
Department of Civil Engineering, Rensselaer Polytechnic Institute, Troy, N. Y. 12181
Search for other works by this author on:
L. R.-L. Wang
Department of Civil Engineering, Rensselaer Polytechnic Institute, Troy, N. Y. 12181
K.-M. Cheng
Department of Civil Engineering, Rensselaer Polytechnic Institute, Troy, N. Y. 12181
J. Pressure Vessel Technol. Feb 1979, 101(1): 21-30 (10 pages)
Published Online: February 1, 1979
Article history
Received:
August 14, 1978
Online:
October 25, 2010
Citation
Wang, L. R., and Cheng, K. (February 1, 1979). "Seismic Response Behavior of Buried Pipelines." ASME. J. Pressure Vessel Technol. February 1979; 101(1): 21–30. https://doi.org/10.1115/1.3454594
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