Response of Buried Structures to Traveling Waves

by Richard N. Hwang, General Mgr.; Kise-Jiban Consultants, Co., Ltd., 60 Killang Pudding Road, Singapore 1334,
John Lysmer, (M.ASCE), Prof.; Dept. of Civ. Engrg., Univ. of California, Berkeley, Calif.,

Serial Information: Journal of the Geotechnical Engineering Division, 1981, Vol. 107, Issue 2, Pg. 183-200

Document Type: Journal Paper

Errata: (See full record)
Discussion: Barron Reginald A. (See full record)

Abstract: The response of buried long structures to waves traveling in the longitudinal direction of the structures was studied. The structures and the surrounding soils were represented by three-dimensional finite elements. The three-dimensional models, however, were reduced to two-dimensional models by using a special type of wave-transmitting element which faithfully accounts for the effects of wave propagation. The results obtained for a linear system indicate that, for large structures, soil-structure interaction effects on the computed stresses and strains are indeed significant; therefore, it will be overly conservative to use free field strains in the design. Also, the assumption of vertically propagating waves is not adequate in predicting response; therefore, appropriate considerations should be given to traveling waves.

Subject Headings: Wave propagation | Three-dimensional models | Two-dimensional models | Underground structures | Soil structures | Strain | Long waves | Finite element method |

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