Effect of Construction Deficiencies on Seismic Performance of Hospitals during the 2017 Sarpol-e Zahab Earthquake
Publication: Journal of Performance of Constructed Facilities
Volume 35, Issue 1
Abstract
In this study, the construction deficiencies affecting performance of hospitals during the 2017 Sarpol-e Zahab earthquake in Iran were studied through a field survey and numerical assessment. The inadequate bracing of infill walls, façades, and false ceilings, as well as the improper infill wall materials were the nonstructural deficiencies identified through the initial field survey. Improper spacing and anchoring of the reinforcement, unanticipated frame-infill interaction, and low concrete strength were also identified as the major drawbacks of structural members. In the numerical assessment, the results of the concrete coring tests were utilized to establish an as-built nonlinear model whose response was compared with the as-designed model for evaluation purposes. For this purpose, the models were initially pushed to a target roof drift and were then subjected to nonlinear response history analyses under various levels of the Sarpol-e Zahab earthquake. The ductility demands undergone by some members of the deficient as-built model were shown to surpass the counterpart values of the stronger as-designed model, while a nearly 17% reduction was observed in the maximum base shear due to the construction deficiencies.
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Data Availability Statement
Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request.
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Published In
Journal of Performance of Constructed Facilities
Volume 35 • Issue 1 • February 2021
Copyright
© 2020 American Society of Civil Engineers.
History
Received: May 6, 2020
Accepted: Aug 31, 2020
Published online: Nov 30, 2020
Published in print: Feb 1, 2021
Discussion open until: Apr 30, 2021
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