Seismic Design of Underground Structures Southern California Metro Rail Projectby J. E. Monsees, Parson Brinckerhoff Quade &, Douglas Inc, Los Angeles, CA, USA,
J. L. Merritt, Parson Brinckerhoff Quade &, Douglas Inc, Los Angeles, CA, USA,
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: Underground structures | Subways | Seismic design | Seismic tests | Earthquake resistant structures | Light rail transit | Deformation (mechanics) | Rail transportation | Load and resistance factor design | Earthquakes | Load bearing capacity | Structural strength | North America | California | United States | Los Angeles
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