Effect of Admixtures on Shrinkage Properties in Self Compacting Concrete (original) (raw)
With the rapid advancement in concrete technology, demand for sustainable building materials has increased manifold in last few decades. High strength concrete such as Self compacting concrete (SCC), also known as Self consolidated concrete, is considered one of the finest and highly modified concrete material. SCC represents a major evolution in the building industry. The increased use of SCC for construction and repair purposes lies in the fact that it is semi-flowable in nature and possess several advantages such as environmental, human, technological and economical. This paper mainly focuses on the effect of various shrinkage properties such as drying shrinkage, autogenous shrinkage and plastic shrinkage on performance of SCC. Detailed literature review suggests that early age shrinkage in SCC has been a major setback in attaining it's desired strength. Expansive cracking and capillary tension are considered as two main phenomena behind shrinkage in SCC. It is found out that...
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