Shear Transfer in Reinforced Concrete


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Title: Shear Transfer in Reinforced Concrete

Author(s): J. A. Hofbeck, I. O . Ibrahim and Alan H. Mattock

Publication: Journal Proceedings

Volume: 66

Issue: 2

Appears on pages(s): 119-128

Keywords: composite construction (concrete to concrete) ; connections; precast concrete; reinforced concrete; research; shear strength; slippage.

Date: 2/1/1969

Presents a study of shear transfer in reinforced concrete, that is, the transfer of shear across a lane, such as at the interface between a precast earn and a cast-in-place slab. Thirty-eight push-off specimens were tested, some with, some without a pre-existing crack along the shear plane. The shear-friction theory was found to give a conservative estimate of the shear transfer strength of initially cracked concrete. A method is presented for the calculation of shear transfer strength in initially uncracked concrete, based on the Zia envelope to Mohr circles representi ng failure conditions for concrete.