Shear-critical impact response of biaxially loaded reinforced concrete circular columns

A study on the vulnerability of biaxially loaded reinforced concrete (RC) circular columns in multi-story buildings under low- to medium-velocity impacts at shear-critical locations is presented. The study is based on a previously validated nonlinear explicit dynamic finite element (FE) modeling technique developed by the authors. The impact is simulated using force pulses generated from full-scale vehicle impact tests abundantly found in the literature with a view to quantifying the sensitivity of the design parameters of the RC columns under the typical impacts that are representative of the general vehicle population. The design parameters considered include the diameter and height of the column, the vertical steel ratio, the concrete grade, and the confinement effects. From the results of the simulations, empirical equations to quantify the critical impulses for the simplified design of the short, circular RC columns under the risk of shear-critical impacts are developed.

• Record URL:
  • http://www.concrete.org/Publications/InternationalConcreteAbstractsPortal.aspx.aspx?m=details&i=51685742
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/13846957
• Supplemental Notes:
  • Abstract reprinted with permission from the American Concrete Institute
• Authors:
  • Thilakarathna, Indika
  • Thambiratnam, David
  • Dhanasekar, Manicka
  • Perera, Nimal
• Publication Date: 2013-7-1

Language

• English

Media Info

• Media Type: Print
• Features: Figures; References; Tables;
• Pagination: pp 565-574
• Serial:
  • ACI Structural Journal
  • Volume: 110
  • Issue Number: 4
  • Publisher: American Concrete Institute (ACI)
  • ISSN: 0889-3241
  • Serial URL: http://www.concrete.org/PUBS/JOURNALS/SJHOME.ASP

Subject/Index Terms

• TRT Terms: Columns; Crash tests; Reinforced concrete; Risk assessment; Shear reinforcement
• Uncontrolled Terms: Biaxial loading
• Subject Areas: Bridges and other structures; Design; Materials; I20: Design and Planning of Transport Infrastructure; I32: Concrete;

Filing Info

• Accession Number: 01486591
• Record Type: Publication
• Files: TRIS
• Created Date: Jul 11 2013 7:58AM