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SUMMARY:Interior Slab-Column Connections under Earthquake Loading:   Test 
 Data\, Observations\, and Design Implications
DTSTART:20160825T143000
DTEND:20160825T153000
DTSTAMP:20260511T062145Z
UID:eb360d4c18e0ba008f80c8748f95823c05b484c09f4514c42bae61e7
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof\, Dr Mary Beth Hueste\, Texas A&M University\, Zachry Dep
 artment of Civil Engineering\, Texas\, USA\nABSTRACT\nPast earthquake even
 ts have demonstrated the vulnerability of concrete frame buildings with fl
 at slab floor systems under lateral loading\, particularly the potential f
 or brittle punching shear failures. Laboratory tests have been conducted f
 or nearly five decades to evaluate the response of slab-column connections
  under combined gravity and lateral loading. This data has been critical f
 or understanding the response of slab-column frames under lateral loading\
 , and for developing design requirements and recommendations that consider
  the influence of gravity shear on lateral drift capacity.\nAn updated dat
 abase of slab-column connection tests in the literature has been developed
  using consistent criteria for selecting key response parameters\, includi
 ng the limiting lateral drift capacity and gravity shear ratio. The collec
 ted test results include interior reinforced concrete (RC) and post-tensio
 ned (PT) concrete slab-column connections with and without shear reinforce
 ment under combined lateral and gravity shear demands. The laboratory test
  data and specimen parameters are compared to current ACI design requireme
 nts\, and recommendations and trends are noted. This review confirms that 
 the level of gravity shear has a significant effect on the limiting drift 
 for slab-column connections without shear reinforcement. In addition\, the
  presence of shear reinforcement or prestressing tends to improve lateral 
 drift capacity. The ACI 318-14 relationship to evaluate the design lateral
  deformation demand for slab-column connections is reviewed with respect t
 o the updated data. Possible modifications to this relationship for both R
 C and PT slab-column connections are presented. \nBIO:\nMary Beth Hueste 
 is a Professor in the Zachry Department of Civil Engineering at Texas A&M 
 University. A Fellow of the American Concrete Institute (ACI)\, Mary Beth 
 is a member of ACI-ASCE Committee 352\, Joints and Connections in Monolith
 ic Concrete Structures\, ACI Subcommittee 318-J\, Joints and Connections (
 Structural Concrete Building Code)\, and ACI Committee 374\, Performance-B
 ased Seismic Design of Concrete Buildings. Her research focuses on earthqu
 ake resistant design of reinforced concrete structures\, performance-based
  seismic design\, design and evaluation of prestressed concrete bridge str
 uctures\, and assessment of aging and historic infrastructure.
LOCATION:GC C2 413 http://plan.epfl.ch/?lang=fr&room=GCC2413
STATUS:CONFIRMED
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