Abstract
Sustainable manufacturing materials are being developed and utilized until now due to its remarkable reduction of carbon footprint along with significant structural and mechanical performances. To gain wide acceptance in the construction industries, the bond between geopolymer concrete and the reinforcing bar should be investigated beforehand. It is a critical factor that influences the behaviour of structures, specifically bond strength that will be very crucial for structural applications. Therefore, this paper review aims to describe and summarize the utilization of GPC on previous pull-out testing. A total of 10 papers on the pull-out test with different bond strengths and parameters have been summarized and discussed. Findings from the results show that effect of geopolymer blending, compressive strength, cover-to-diameter (C/D) ratio and embedment length of GPC specimens have a significant influence on the bond strength. Based on the parameters from previous experimental studies, GPC is comparable with OPC concrete, but further research needs to be carried out to investigate the structural behaviour utilizing GPC for construction application.
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