Page 80 - CONCRETE MATERIALS AND MIXTURE
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1.5.1 Properties of hardened concrete









          • Factor affecting shrinkage depends on the



               amount of drying that can take place.




          • Two type of shrinkage:



                 – Plastic shrinkage



                        • Caused due to the hydration of cement


                 – Drying shrinkage



                        • Caused by withdrawal of water from concrete stored in


                            unsaturated air voids
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