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Title: Influence of Spatial Variability of Concrete in Large Shear- Critical Structures

Author(s): Mark D. Hunter, Anca C. Ferche, and Frank J. Vecchio

Publication: Structural Journal

Volume: 118

Issue: 2

Appears on pages(s): 249-262

Keywords: finite element analysis; reinforced concrete; spatial variability; ultrasonic pulse velocity

Date: 3/1/2021

The implications of the spatial variability of concrete mechanical properties on the numerical analysis of a slab strip specimen (PLS4000) with no shear reinforcement are investigated. The 4.0 m (13 ft) thick specimen was tested by Collins et al. Hunter undertook a subsidiary experimental program to assess the spatial variability of the concrete through ultrasonic pulse velocity measurements taken on the PLS4000 specimen. The spatial variability was then included in finite element analyses of the specimen using stochastic methods. It was found that the spatial variability of the concrete mechanical properties influenced the crack pattern and development of the critical failure crack.


Electronic Structural Journal


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