Experimental and modelling investigation of mechanical behaviour of ageing concrete

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Abstract

To be able to investigate an ageing concrete behaviour a material model is developed by this investigation in terms of tested material samples taken from the ageing concrete structure. The splitting tensile test is modified with a lateral expansion measurement rig to observe the load-displacement response in the splitting test. A set of material properties is determined based on experimental work and successfully used to create a material damage model for investigating the mechanical behaviour of the ageing concrete. A FEA model with this developed ageing concrete material model (ACMM) is used in simulation of selected concrete core sample tests including the splitting test. Comparison between tests and modelling simulations shows that the developed ageing concrete material model is working well. The outcomes from this investigation supplies an approach to widely investigate engineering materials with ageing problems.
Original languageEnglish
Pages (from-to)1138-1146
JournalConstruction and Building Materials
Volume155
Early online date23 Sep 2017
DOIs
Publication statusPublished - 30 Nov 2017

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