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- W2361489596 abstract "In order to study the freeze-thaw durability of the recycled concrete,the fast freeze-thaw cycle tests were carried out on fifty-four cube specimens and twenty-seven prism specimens with different replacement ratios of recycled coarse or fine aggregate.Based on the experiment,appearance features,mass loss rates,changes of relative dynamic elastic modulus of prism specimens,and loss rates of compression strength of the cube specimens for 25,50,75,and 100 freeze-thaw cycles respectively were analyzed.The relationships of the mass loss rate and the relative dynamic elastic modulus of specimens with the increase of freeze-thaw cycles were analyzed as well.The recycled aggregate and its replacement ratio,which are suitable for building structures in cold area,were proposed.Research shows that after 100 freeze-thaw cycles,the specimens with 50% replacement ratio of recycled coarse aggregate and natural sand fine aggregate do not make much difference compared with ordinary concrete in appearance features,mass loss rate and the relationship of relative dynamic elastic modulus,So through reasonable design,the recycled concrete with no more than 50% replacement rate of recycled coarse aggregate can be used for building structures in cold areas." @default.
- W2361489596 created "2016-06-24" @default.
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- W2361489596 date "2012-01-01" @default.
- W2361489596 modified "2023-09-28" @default.
- W2361489596 title "Experimental study on basic mechanical properties of recycled concrete after freeze-thaw cycles" @default.
- W2361489596 hasPublicationYear "2012" @default.
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