Seismic Design of Underground Structures Southern California Metro Rail Project

by J. E. Monsees, Parson Brinckerhoff Quade &, Douglas Inc, Los Angeles, CA, USA,
J. L. Merritt, Parson Brinckerhoff Quade &, Douglas Inc, Los Angeles, CA, USA,



Document Type: Proceeding Paper

Part of: Lifeline Earthquake Engineering: Performance, Design and Construction

Abstract:

The effect of earthquakes on underground structures is the imposition of an arbitrary deformation which cannot be changed by strengthening the structure. The structural design goal is therefore to provide sufficient ductility to absorb the imposed deformation without losing the capacity to carry static loads.



Subject Headings: Rapid transit systems | Seismic design | Underground structures | Seismic tests | Urban areas

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