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Home > Publications > 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.
Title: Cyclic Shear-Friction Constitutive Model for Finite Element Analysis of Reinforced Concrete Membrane Elements
Author(s): Migeum Chorzepa, Yoo Jae Kim, Gun Jin Yun, Thomas G. Harmon, and Shirley Dyke
Publication: Structural Journal
Appears on pages(s): 324-331
Keywords: crack strain; cyclic; finite element analysis; reinforced concrete;membrane; shear-friction
Abstract:This paper develops a shear-friction membrane model that is able to limit the shear strength of concrete crack surfaces according to the shear-friction theory so that concrete can fail in shear. The proposed shear-friction model is developed for membrane elements with one-directional cracks and is validated with experimental results available in the literature. Based on experimental observations, this paper introduces the concept of the friction coefficient relative to the “crack opening path,” which is the relationship between the crack slip and the crack separation when the cracks are in contact and slipping without developing normal or shear stresses on the sliding concrete crack surface. The shear friction model rationally predicts failure due to shear transfer across cracks and is able to capture the fundamental behavior of crack slip and separation associated with shear transfer across cracks in reinforced concrete.
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