ISSN:
0894-9166
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
,
Physics
Notes:
Abstract For a strip wall erected on a rigid strip foundation and supported by the surface of the ground, the dynamic soil-structure interaction under the action of the horizontal ground motion is investigated. The ground motion is idealized as vertically propagating, horizontal steady-state motion. Because the horizontal ground motion brings about the sliding vibration of the foundation as well as the rocking vibration, the coupled rocking and sliding vibration of the soil-structure system is considered in the present paper. For the contact between the ground and foundation, the following assumptions are made: 1) the contact is assumed to be welded, that is to say, the motion of the foundation is consistent with the ground; 2) the horizontal translation at each point on the bottom surface of the foundation is equal to a constant; 3) the distribution of the normal displacements under the foundation remains to be linear in the rocking vibration. For comparison, the case of uncoupled vibration is considered also. The use of Fourier transform method yields dual integral equations (for the case without coupling effect) or simultaneous dual integral equations (for the case with coupling effect). Both of them are solved by means of infinite series of orthogonal functions, the Jacobi polynomials. The numerical results show that there is a significant difference between the displacements of the foundation, the relative displacements of the top of the wall with respect to its base, and the distribution of contact stresses beneath the foundation, for the cases with and without coupling effect.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02208136
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