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Experimental Mechanics
Erschienen in: Experimental Mechanics 7/2010

01.09.2010

An Experimental Method to Determine the Tensile Strength of Concrete at High Rates of Strain

verfasst von: B. Erzar, P. Forquin

Erschienen in: Experimental Mechanics | Ausgabe 7/2010

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Abstract

In the present work, dynamic tensile strength of concrete is experimentally investigated by means of spalling tests. Based on extensive numerical simulations, the paper presents several advances to improve the processing of spalling tests. The striker is designed to get a more uniform tensile stress field in the specimen. Three methods proposed in the literature to deduce the dynamic strength of the specimen are discussed as well as the use of strain gauges and a laser extensometer. The experimental method is applied to process data of several tests performed on wet micro-concrete at strain rates varying from 30 to 150/s. A significant increase of the dynamic tensile strength with strain-rate is observed and compared with data of the literature. In addition, post-mortem studies of specimens are carried to improve the analysis of damage during spalling tests.
Vorheriger Artikel Comparison of Low Impedance Split-Hopkinson Pressure Bar Techniques in the Characterization of Polyurea
Nächster Artikel Identification of Cable Forces on Cable-Stayed Bridges: A Novel Application of the MUSIC Algorithm

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Metadaten
Titel
An Experimental Method to Determine the Tensile Strength of Concrete at High Rates of Strain
verfasst von
B. Erzar
P. Forquin
Publikationsdatum
01.09.2010
Verlag
Springer US
Erschienen in
Experimental Mechanics / Ausgabe 7/2010
Print ISSN: 0014-4851
Elektronische ISSN: 1741-2765
DOI
https://doi.org/10.1007/s11340-009-9284-z

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