Research Article
Feb 1980
Earthquake Rocking Response of Rigid Bodies
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VIEW THE REPLYAuthors: Mohammad Aslam, AM.ASCE, William G. Godden, M.ASCE, and D. Theodore ScaliseAuthor Affiliations
Publication: Journal of the Structural Division
Volume 106, Issue 2
Abstract
Using a computer program, the rocking and overturning response of rectangular blocks of various sizes and aspect ratios is studied under several strong motion earthquakes. The effect of coefficient of restitution and of vertically prestressing the blocks to the floor is also studied. This investigation was undertaken primarily to study the response of solid concrete block stacks used as radiation shields in particle accelerator laboratories. Results from this study indicate that rocking should be prevented in such systems on account of the possibility of overturning once rocking commences, unless a tie-down design is used. The paper also points out the sensitivity of overturning to small changes in base geometry and coefficient of restitution as well as to the form of the ground motion. This suggests that it may be difficult to use data from observations on standing and overturned rigid bodies after an earthquake to provide much useful information on the intensity of ground motion.
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Published In
Journal of the Structural Division
Volume 106 • Issue 2 • February 1980
Pages: 377 - 392
Copyright
© 1980 American Society of Civil Engineers.
History
Published in print: Feb 1980
Published online: Feb 1, 2021
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Affiliations
Mohammad Aslam, AM.ASCE
Sr. Engr., Bechtel Corporation, San Francisco, Calif.; formerly, Assoc. Engr., Dept. of Civ. Engrg., Univ. of California, Berkeley, Calif.
William G. Godden, M.ASCE
Prof., Dept. of Civ. Engrg., Univ. of California, Berkeley, Calif.
D. Theodore Scalise
Dept. Head, Engrg. Sciences Dept., Lawrence Berkeley Lab., Univ. of California, Berkeley, Calif.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
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