Abstract
AbstractThe synergetic effects of the environmental and loading actions on mass transport process in concrete play an important role for the deterioration of mechanical properties and durability problems of reinforced concrete (RC) structures. Water is either the main agent responsible for the deterioration of concrete or the principal transport medium carrying aggressive species to ingress into concrete. This paper presents the results of an experimental investigation on the effect of short-term sustained uniaxial compressive or tensile loadings on water absorption by hollow cylindrical concrete specimens. An improved test apparatus aimed for the coupled effect of sustained loading on water absorption was designed to measure in real time the amount of water absorbed by the concrete specimen. The cumulative water content and axial/lateral strain of specimens under various stress levels (approximately 0–50%) were recorded. It was noted that under the short-term sustained tensile loading, the cumulative wat...
Published Version
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