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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: Failure Mode and Shear Strength of Nonprestressed Hollow-Core Slabs in One-Way Shear
Author(s): Tae-Sung Eom, In-Hye Hwang, Seung-Jae Lee, and Tae-Won Park
Publication: Structural Journal
Appears on pages(s): 1131-1141
Keywords: hollow-core slabs; reinforced concrete; shear strength; shear test; T-beams; void slabs
Abstract:In this study, the failure mode and shear strength of nonprestressed hollow-core slabs in one-way shear are investigated. First, nine hollow-core slabs with different void properties, such as the shape, location, and area of voids, are tested. The tests show that the nonprestressed hollow-core slabs are failed mainly by inclined tensile cracking in the compression zone, and the shear strengths of the hollow-core slabs are 20% to 30% less than that of the solid slab. Then, to estimate the slab shear strength depending on void properties, design equations based on a compression zone failure mechanism under inclined tensile cracking are formulated. For
verification, the proposed method is applied to 50 specimens with a wide range of design parameters. The results show that the predictions of the proposed methods agree with the test strengths.
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