Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 241, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2020.118008
Keywords
Rubber particle; Epoxyconcrete; Strength; Deformation compatibility; Repair; Strain
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Funding
- Natural Science Foundation of China [51708314]
- China Logistics Research Project [BKJ14C011]
- Key Laboratory of Coast Civil Structure Safety [2017-KF02]
- Youth Science and Technology Innovation Fund Project of AHWRRI [KY201707]
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The article conducts the compressive, flexural, spilt, deflection and strain experiments on epoxy concrete with added fine, medium and coarse rubber particles respectively at 5%, 10%, 15%, 20% and 25%. Medium sized rubber particle is selected for further study in a composite beam test in which rubber epoxy concrete serves as a repair material to ``glue two ordinary concrete short beams, as well as a bond tensile strength test. A deformation compatibility parameter is introduced to measure two strains for indicting the composite beam's deformability. It is found that, meanwhile keeping an adequate interfacial strength needed as a repair material, rubber in epoxy concrete help increase deformability, which is beneficial to compensate the rigidness of epoxy concrete. (C) 2020 Elsevier Ltd. All rights reserved.
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