Volume 94 Issue 32 | p. 9 | Concentrates
Issue Date: August 8, 2016

Concrete creep mechanism explained

Discovery could assist development of deformation-resistant structures
Department: Science & Technology
News Channels: Environmental SCENE, Nano SCENE, Materials SCENE
Keywords: geochemistry, concrete, creep, C-S-H grains

Concrete is ubiquitous as a building material, but it suffers from “creep,” long-term deformations caused by its own weight, that damage its integrity and make it susceptible to cracking and crumbling. Now, scientists have evidence this creeping phenomenon stems from nanoscale dissolving of concrete’s primary phase, calcium silicate hydrate (CSH) grains, under high stress (J. Chem. Phys. 2016, DOI: 10.1063/1.4955429). The discovery, by a team led by Gaurav Sant, . . .

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