Eighth International Conference on Case Histories in Geotechnical Engineering
Seismic Soil-Structure Interaction Response of Tall Buildings
Publication: Geo-Congress 2019: Earthquake Engineering and Soil Dynamics (GSP 308)
ABSTRACT
Significant improvement has been made with the advent of numerical tools and methods in the predicting capabilities of behavior and building performance when an earthquake strikes. Current building designs tend to produce safer structures, being resiliency the most important consideration to minimize indirect losses due to strong earthquakes. This resiliency is quantified in terms of recovery time; the time necessary to achieve a safe operational level for a structure after an earthquake. Performance based earthquake engineering is a probabilistic assessment of building risk and damage frequently used to quantify earthquake-induced losses of structural and non-structural elements. The main goal of this paper is to estimate the intensity measures and engineering demand parameters for a hypothetical tall building located in an urban environment, downtown Los Angeles, including the influence of foundation soils in the building response. Numerical simulations of a hypothetical tall building supported in a mat foundation are performed using the pressure-dependent multi-yield surface constitutive soil model coded in OpenSees. The building is subjected to three earthquakes levels. Based on the building responses and computed peak story horizontal accelerations, maximum inter-story drifts, and settlements, conclusions are drawn about the influence of soil-structure interaction in the response of tall buildings.
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ACKNOWLEDGEMENTS
Financial support for this work was provided by the National Science Foundation Grant No. CMMI-1563428. The support of Dr. Joy Pauschke and Dr. Richard Fragaszy, program directors at the National Science Foundation, is greatly appreciated.
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Information & Authors
Information
Published In
Geo-Congress 2019: Earthquake Engineering and Soil Dynamics (GSP 308)
Pages: 118 - 128
Editors: Christopher L. Meehan, Ph.D., University of Delaware, Sanjeev Kumar, Ph.D., Southern Illinois University Carbondale, Miguel A. Pando, Ph.D., University of North Carolina Charlotte, and Joseph T. Coe, Ph.D., Temple University
ISBN (Online): 978-0-7844-8210-0
Copyright
© 2019 American Society of Civil Engineers.
History
Published online: Mar 21, 2019
Published in print: Mar 21, 2019
ASCE Technical Topics:
- Buildings
- Design (by type)
- Earthquake engineering
- Earthquakes
- Engineering fundamentals
- Geohazards
- Geomechanics
- Geotechnical engineering
- High-rise buildings
- Models (by type)
- Numerical models
- Seismic effects
- Seismic tests
- Soil dynamics
- Soil mechanics
- Soil structures
- Soil-structure interaction
- Structural design
- Structural engineering
- Structural safety
- Structures (by type)
- Tests (by type)
Authors
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