Study of durability design method for recycled concrete structures exposed to corrosion environment
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    Abstract:

    In order to propose application of durability design technology in the design of recycled concrete structures to extend the applied field of durability design, the durability design of recycled concrete structure exposed to corrosion environment was analyzed based on the durability design of concrete structure, and the important achievements obtained on the study and application of recycled concrete structure in China. A basic design method for durable recycled concrete structure is presented in this paper. The environmental factor and the quality control requirement to guarantee the durability of recycled concrete structure are taken into consideration in the method. The results show that when the recycled coarse aggregate replacement ratio is 30%~50% and the recycled coarse aggregate replacement ratio is more than 50%, the protection cover of reinforcing bar should increase respectively 3 mm and 5 mm,and the curing time of recycled concrete should increase respectively 24 hour and 48 hour.

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An Xinzheng, Yang Yingying, Chen Ke, Liu Yan. Study of durability design method for recycled concrete structures exposed to corrosion environment[J].,2016,33(2):15-18,24

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History
  • Received:February 28,2016
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  • Online: June 29,2016
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