ACI 318 Structural Concrete Building Code: The Need for Member Size Factor on the Shear Strength of Beams and One-Way Slabs

The need for a size effect factor on the shear strength of reinforced concrete beams and one-way slabs without stirrups where permitted by the ACI 318-05 Code is investigated through the examination of an extensive database compiled elsewhere and thoroughly evaluated by the ASCE-ACI Joint Committee 445 on Shear and Torsion. The database is examined in this paper under the light of applicable requirements in the ACI 318-05 code in an effort to represent current practice. The main findings in this paper indicate that the requirements in Sec. 11.5.6.1(c) to a great extent invalidate the specimens with ratios of measured to calculated shear strength less than 1.0 in the database. However, there is a paucity of data on members with depths greater than 36 inches without stirrups and without skin reinforcement. Also there is a lack of information on the shear strength of beams without stirrups having a ratio of overall depth to width less than 0.5.

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  • Corporate Authors:

    American Society of Civil Engineers

    International Headquarters, 1801 Alexander Bell Drive
    Reston, VA  United States  20191-4400

    Structural Engineering Institute

    American Society of Civil Engineers
    1801 Alexander Bell Drive
    Reston, VA  United States  20191-4400
  • Authors:
    • Ramirez, Julio A
  • Conference:
  • Publication Date: 2005

Language

  • English

Media Info

  • Media Type: CD-ROM
  • Features: Figures; References; Tables;
  • Pagination: 7p
  • Monograph Title: Metropolis and Beyond: Proceedings of the 2005 Structures Congress and the 2005 Forensic Engineering Symposium, April 20-24, 2005, New York, NY

Subject/Index Terms

Filing Info

  • Accession Number: 01033751
  • Record Type: Publication
  • ISBN: 0784407533
  • Files: TRIS
  • Created Date: Sep 29 2006 10:38AM