FraMCoS 2 1995 Zurich, Switzerland

Experimental and Numerical Study of Drying-Induced Warping of Concrete Slabs

A numerical model including a nonlinear diffusion analysis and the consideration of cracking is applied to the prediction of drying- ind uced warping of concrete slabs. Numerical results are compared with experimental values obtained for two mortar qualities. For most…

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Year 1995
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Abstract

A numerical model including a nonlinear diffusion analysis and the consideration of cracking is applied to the prediction of drying- ind uced warping of concrete slabs. Numerical results are compared with experimental values obtained for two mortar qualities. For most practical applications, the numerical predictions can be con- sidered to be sufficiently accurate. Although these preliminary re- sults show that more research is needed, some important practical conclusions can be drawn at this stage. One of them is that a more prolonged curing period does not prevent warping. Further, mixes aimed at creating an open pore structure appear to reduce warping significantly.