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Structural behavior of concrete beams affected by alkali-silica reaction

Abstract : A large experimental program about alkali-silica reaction (ASR) was carried out on beam specimens at the Laboratoire Central des Ponts et Chausees (LCPC), with Electricite de France (EDF) as a partner. The aim was to provide data intended to validate a methodology of assessment of real structures affected by this expansive reactive mechanism. Three-dimensional deformations were measured on five 3 m-long plain or reinforced concrete beams undergoing partial drying over a period of 14 months. The paper points out the effect of a moisture gradient over the depth of the beams and the influence of reinforcement on the development of ASR-induced expansions. Tests on companion specimens (cylinders and prisms) were carried out to measure the material expansion and mechanical characteristics.
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https://hal.insa-toulouse.fr/hal-01724670
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Submitted on : Tuesday, March 6, 2018 - 4:30:04 PM
Last modification on : Friday, January 10, 2020 - 9:09:32 PM

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  • HAL Id : hal-01724670, version 1

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Stéphane Multon, Jf Seignol, F Toutlemonde. Structural behavior of concrete beams affected by alkali-silica reaction. Materials Journal, American Concrete Institute, 2005, 102 (2), pp.67--76. ⟨hal-01724670⟩

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