Journal of Materials and Engineering Structures
Volume 3, Numéro 3, Pages 107-116
2016-09-30
Evaluating The Durability Properties Of Self Compacting Concrete Made With Recycled Concrete Aggregates
Authors : Kapoor K. . Singh S.p. . Singh Bhupinder .
Abstract
This paper reports the durability properties of Self Compacting Concrete (SCC) made with Recycled Concrete Aggregates (RCA) as partial/full replacement of Natural Coarse Aggregates (NCA). The effect of RCA on fresh properties of SCCs was measured using slump flow test, V-funnel test, L-box test and J-ring test. Whereas the durability properties like such as initial surface absorption, water permeability, capillary suction and rapid chloride penetrability were investigated to study the effect of varying content of RCA on SCC. The compressive strength of different SCC mixes was also determined for reference. The results indicate that increasing the content of RCA in SCC leads to deterioration in durability related properties of SCC. The compressive strength has also been found to decrease with increasing RCA content. It has been seen that the reduction in the performance has been marginal up to 50% replacement level of RCA, but 100% replacement of RCA has been found to significantly affect the durability related properties and compressive strength.
Keywords
Capillary suction; Initial surface absorption; Rapid chloride penetrability ; Recycled concrete aggregates; Self-compacting concrete; Water permeability
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