Splitting Bond Failures of Large Deformed Reinforcing Bars

ABOUT THE INTERNATIONAL CONCRETE ABSTRACTS PORTAL

  • The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.

International Concrete Abstracts Portal

  


Title: Splitting Bond Failures of Large Deformed Reinforcing Bars

Author(s): Shiro Morita and Tetsuzo Kaku

Publication: Journal Proceedings

Volume: 76

Issue: 1

Appears on pages(s): 93-110

Keywords: beams (supports); bond (concrete to reinforcement); cover; cracking (fracturing);crack propagation; deformed reinforcement; failure; loads (forces); shear properties; slippage;stirrups.

Date: 1/1/1979

Abstract:
Tests have been carried out to study splitting bond failures of large bars having a nominal diameter of 51 mm (2 in.) and various deformation patterns. The test setup, referred to as the modified cantilever type, permits the development of a stress distribution in the test specimen similar to that to be found in the shear span of beams. The main variables studied were: clear cover, number of stirrups, bond /shear ratio, loading history, including alternating pull-out, push-in loads, and bar deformation. Based on the test results, recommendations are provided for application of large bars to the design of earthquake-resistant framed structures.