To explore the basic deformation performance of basalt fiber-reinforced recycled aggregate concrete (BFRRC), a deformation experiment was conducted on fifteen groups of cubic standard specimens and fifteen groups of prismatic standard specimens. The destruction process and failure mode of the test blocks were observed. The elastic modulus and Poisson's ratio of the test blocks were tested, and then the stress-strain curve under compression was obtained. The influence of the replacement ratio of recycled coarse aggregate and the basalt fiber content on the stress-strain curve, elastic modulus and Poisson's ratio were analyzed, and then the functional expression of the rising section of the stressstrain curve and the theoretical calculation formula of the elastic modulus were established considering the replacement ratio of the recycled coarse aggregate and the basalt fiber content. It is shown that the compressive failure mode of BFRRC is similar to that of ordinary concrete. It was found that the calculated results of stress-strain rising section and elastic modulus of BFRRC were in good agreement with the measured ones. The elastic modulus of BFRRC decreased with the increase of the replacement ratio of recycled coarse aggregate and increased with the increase of fiber content, while the Poisson's ratio was the opposite.
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