Abstract

AbstractThis study explored the use of silane coupling agent (SCA) to modify surface of rubber for reducing strength loss of rubber concrete. According to the experimental results, SCA plays a significant role in reducing the strength loss, especially when concrete is at early age. The approach is even more effective as the concentration of SCA solution increases. Scanning optical microscope tests and analyses show that the adhesion between inorganic mixture and organic rubber material was enhanced. The improved interfacial transition zone leads to a decrease of compressive strength loss for rubber concrete.KeywordsSilane coupling agentStrength lossInterfacial transition zoneRubber concrete

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