Earthquake Considerations in Design of the Los Angeles Metroby J. E. Monsees, BDM Int Inc, Redlands, United States,
J. L. Merritt, BDM Int Inc, Redlands, United States,
Abstract: This paper discusses the earthquake design of the Los Angeles Metro. The design earthquake parameters are presented and discussed in light of the behavior of buried structures subjected to earthquake movements. The authors describe and illustrate a new design approach whereby the structure is subjected to earthquake deformations rather than pseudo loads. Finally, results of computer modeling showing that the approach produces conservative designs are presented.
Subject Headings: Earthquakes | Seismic design | Subways | Computer models | Load and resistance factor design | Earthquake resistant structures | Plastic design | North America | California | United States | Los Angeles
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