Shear database for reinforced concrete members without shear reinforcement

Karl Heinz Reineck, Daniel A. Kuchma, Kang Su Kim, Sina Marx

Research output: Contribution to journalArticlepeer-review

209 Scopus citations

Abstract

While thousands of experiments have been conducted to assess the shear capacity of structural concrete members, code provisions are usually developed from a limited and somewhat arbitrary subset of these test results. To address this problem, a qualified database of shear test results was created. All beams in this database have a rectangular cross section, do not contain shear reinforcement, and were subjected to point loads. A sanctioned set of criteria was then developed for accepting a test result into an evaluation-level data-base. Examples of these criteria include a minimum compressive strength, a minimum overall height and width, and a check against flexural failure. An examination was then conducted to assess the influence of key parameters on the model safety factor γmod = (Vtest/ Vcode) for ACI 318-99 Eq. (11-3) and (11-6). This revealed that current ACI provisions do not adequately capture many trends and become increasingly unsafe as members become larger and more lightly reinforced.

Original languageEnglish
Pages (from-to)240-249
Number of pages10
JournalACI Structural Journal
Volume100
Issue number2
StatePublished - Mar 2003

Keywords

  • Reinforced concrete
  • Shear strength
  • Test

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