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PRODID:-//Memento EPFL//
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SUMMARY:Enabling Accelerated Construction of Bridges in California with Se
 ismic Requirements
DTSTART:20131010T121500
DTEND:20131010T131500
DTSTAMP:20261002T015007Z
UID:c0668335fdf9f26f918303299c890139546856a0439b22d7a2cf991d
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Sri Sritharan\nThe presentation will focus on an integra
 l bridge pier system consisting of concrete columns\, precast concrete gir
 ders\, and concrete cap beams that is being investigated to facilitate acc
 elerated bridge construction (ABC) in seismic regions of California. Despi
 te their advantages\, bridges with precast components are not currently fa
 vored due to their design approaches resulting in costly solutions and an 
 expectation that these bridges will produce poor seismic performance. Usin
 g a combination of large-scale tests and analytical investigations\, the s
 eismic behavior of both the connections between the precast girders and ca
 p beams as well as the overall bridge systems are studied. It will be demo
 nstrated during the presentation that the current design specifications ad
 opted by the California Department of Transportation (Caltrans) for this p
 recast girder bridges are unnecessarily conservative\, thus making them le
 ss cost competitive in comparison to the cast-in-place alternative.  It w
 ill be further shown that the outcomes of this research project will not o
 nly enable use of precast components in bridges of California\, but also m
 ake them cost effective while ensuring their dependable seismic performanc
 e. \nShort Bio: Dr. Sri Sritharan is the Wilson Engineering Professor of 
 the Department of Civil\, Construction and Environmental Engineering at Io
 wa State University and is currently a visiting professor at the EESD labo
 ratory of EPFL.  Sri’s research expertise includes earthquake-resistant
  design of structures\, precast structural systems\, soil-foundation-struc
 ture interaction\, and ultra-high performance concrete. Sri is an active m
 ember of several professional societies and organizations including the Am
 erican Concrete Institute (ACI)\, Precast/Prestressed Concrete Institute (
 PCI) and Transportation Research Board (TRB)\, and is the current chair of
  the ACI’s Committee on Earthquake-Resistant Concrete Bridges.
LOCATION:GC B331
STATUS:CONFIRMED
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