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Showing 1 to 5 of 5 for “"Chemical Shrinkage"”.
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Effects of Curing Temperature and Pressure on the Chemical, Physical, and Mechanical Properties of Portland Cement
… end of the curing period were recorded. Total chemical shrinkage of the cement paste was measured continuously during the entire hydration period while tensile strength was obtained at the end of the curing period using both water pressure and splitting tension test methods. Due to capacity …
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Evaluating shrinkage of fly ash - slag geopolymers
… of geopolymers when used in field. Since shrinkage causes volume change, any volume change after the binder has stiffened will cause stresses to develop and this will cause cracks and reduction in the load carrying capacity of the mix. The study was performed on a user-friendly geopolymer …
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Investigation of Thermo-chemo-mechanically Coupled Phenomena in Frontal Polymerization
… the polymerization reaction itself. A thermo-chemical coupled model has been proposed to describe the frontal polymerization process, and recent experiments have shown that such coupling could lead to an unstable propagating front. However, the influence of mechanical forces has been absent in …
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Process-induced viscoelastic residual stress analysis of graphite/epoxy composite structures
… difference scheme was used to solve the thermochemical problem to obtain degree of cure and temperature fields. The results of this analysis were then used as input for a finite element model of rectangular laminates and circular cylinders. A recursive formulation was adopted to solve the …
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Shrinkage of concrete using porous aggregates
… There are several types of volume changes, but shrinkage is the type of volume change which is often responsible for cracking of the concrete. Shrinkage can be categorized due to several different mechanisms which cause shrinkage. The main types of shrinkage are plastic shrinkage, chemical …