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Near-Source Ground Motion and its Effects on Flexible Buildings

Hall, John F. and Heaton, Thomas H. and Halling, Marvin W. and Wald, David J. (1995) Near-Source Ground Motion and its Effects on Flexible Buildings. Earthquake Spectra, 11 (4). pp. 569-605. ISSN 8755-2930. doi:10.1193/1.1585828.

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Occurrence of large earthquakes close to cities in California is inevitable. The resulting ground shaking will subject buildings in the near-source region to large, rapid displacement pulses which are not represented in design codes. The simulated Mw7.0 earthquake on a blind-thrust fault used in this study produces peak ground displacement and velocity of 200 cm and 180 cm/sec, respectively. Over an area of several hundred square kilometers in the near-source region, flexible frame and base-isolated buildings would experience severe nonlinear behavior including the possibility of collapse at some locations. The susceptibility of welded connections to fracture significantly increases the collapse potential of steel-frame buildings under strong ground motions of the type resulting from the Mw7.0 simulation. Because collapse of a building depends on many factors which are poorly understood, the results presented here regarding collapse should be interpreted carefully.

Item Type:Article
Related URLs:
URLURL TypeDescription
Hall, John F.0000-0002-7863-5060
Heaton, Thomas H.0000-0003-3363-2197
Additional Information:© 1995 Earthquake Engineering Research Institute.
Subject Keywords:Ground motion; flexible structures; near-field, Flexible structures; nonlinear response; ground motion, Northridge, California earthquake, Jan. 17, 1994; tall buildings; steel frames; welds, Base isolation; nonlinear response; shear structures, Collapse; flexible structures, Steel frames; nonlinear response, Welded joints; nonlinear response, Structural Dynamics -- Deterministic Behavior of Nonlinear Structures
Issue or Number:4
Record Number:CaltechAUTHORS:HALes95
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:11404
Deposited By: Archive Administrator
Deposited On:12 Aug 2008 21:00
Last Modified:08 Nov 2021 21:58

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