2116 Solidification Model of Hardening Concrete Composite for Predicting Creep and Shrinkage of Concrete :

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The prediction of both creep and shrinkage of hardening young concrete is attempted using a solidification model based on micro-physical information. The combined effect of external loads and pore water pressure caused by the surface tension is treated as the driving force for concrete deformation. The solid model deals with cement paste as the solidified finite fictitious cluters having each creep pr p rty. Aggregates are idealized as suspended continuum n～ I o perfect elasticity. The combination of both phases may create the overall features of concrete compos e. One important phenomenon is that Pickett's effect results as a natural outcome from the model computations.

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