Cyclic Shear Transfer and Type of Interface

by Alan H. Mattock, (F.ASCE), Prof. of Civ. Engrg.; Univ. of Washington, Seattle, Wash.,

Serial Information: Journal of the Structural Division, 1981, Vol. 107, Issue 10, Pg. 1945-1964

Document Type: Journal Paper


Cyclically reversing and monotonic shear transfer tests are reviewed for companion intitially cracked specimens of normal weight and lightweight reinforced concrete. Both composite and monolithic specimens were tested. The interfaces of all composite specimens were roughened as required by sec. 11.7.9 of the ACI Building Code, ACI 318-77. In some cases the bond at the interface was deliberately broken. In the case of monolithic specimens and composite specimens in which good bond is obtained at a roughened interface, the strength under cyclically reversing shear is about 80 percent of the shear transfer strength under monotonic loading.

Subject Headings: Shear strength | Shear tests | Composite materials | Reinforced concrete | Bonding | Cyclic strength | Cyclic tests | Cracking

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