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Abstract
High strength concrete, which is characterized by a low water to cement ratio, has larger cement content than ordinary concrete. Even if die cross sectional area of reinforced concrete member is reduced on account of high strength, significant temperature rise at an early age can be observed. Additionally the low water to cement ratio leads autogenous shrinkage in the concrete. These phenomena may jeopardize durability and appearance of concrete members due to early age cracking. Regarding this problem, it is of vital importance to predict distribution and histories of temperature and moisture, which play important roles in early age cracking. In this research, based on the hydration model, heat and moisture transport behavior including latent phenomenon is modeled. And a potential of the proposed model is investigated with comparison of experimental data. As a result, it shows that the proposed model has a high potential to render the experimental data.
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Schedule a callMore From: Journal of Structural and Construction Engineering (Transactions of AIJ)
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