Cracks Formed in Concrete Around Deformed Tension Bars


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Title: Cracks Formed in Concrete Around Deformed Tension Bars

Author(s): Yukimasa Goto

Publication: Journal Proceedings

Volume: 68

Issue: 4

Appears on pages(s): 244-251

Keywords: bond (concrete to reinforcement); crack width and spacing; cracking (fracturing);deformed reinforcement; reinforced concrete; reinforcing steels; research; tensile stress.

Date: 4/1/1971

Axially loaded tensile specimens, each a single deformed reinforcing bar encased concentrically in a long concrete prism, were loaded with axial tension applied through the exposed ends of the bar. By injections of ink into the tensioned specimens, the internal cracks were dyed. These cracks were then examined after the specimens were split longitudinally along the bar. Crack patterns are recorded in photographs which indicate the type of internal mechanism created where bond stresses are large.


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