Influence of rubber particles on durability of recycled coarse aggregate concrete
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(1. School of Investment and Construction Management, Dongbei University of Finance and Economics, 116023 Dalian, Liaoning, China; 2. Institute of Building Materials, Dalian University of Technology, 116024 Dalian, Liaoning,China; 3. School of Civil Engineering, University of Birmingham, Birmingham, B15 2TT Birmingham, United Kingdom; 4. Institute of Architecture Engineering, Liaoning Technical University, 123000 Fuxin, Liaoning,China)

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TU528

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    Abstract:

    The influence of rubber particles on recycled aggregate concrete durability was studied in this paper. Compressive strength, permeability, and frost resistance were carried out to investigate the effect of rubber particles with different size of 60 mesh, 1-3 mm and 3-6 mm and replacement content replacing fine aggregate of 10 kg/m3,0 kg/m3 and 30 kg/m3 on recycled aggregate concrete. The results show that the compressive strength of recycled aggregate concrete is reduced with the addition of rubber particle, and the compressive strength is decreased with the addition of particles replacement content and particles size. The permeability and frost resistance of recycled aggregate concrete is improved by the addition of rubber particle and is raised with the increase of particles replacement content and decrease of particles size, and the recycled aggregate concrete expressed the best durability performance with rubber particles of 60 mesh and replacement content of 30 kg/m3.

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History
  • Received:May 06,2014
  • Revised:
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  • Online: June 09,2015
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