Experimental Investigation on Complete Stress-strain Curve of Recycled Concrete Under Uniaxial Loading

In this paper the complete stress-strain curves of recycled aggregate concrete with different recycled coarse aggregate replacement percentages are carried out,and the influences of varying recycled coarse aggregate contents on the complete stress-strain curve,peak stress,peak strain and elastic modulus are analyzed.The results show that the stress-strain curves of recycled aggregate concrete are similar to those of the conventional concrete,however,in terms of the recycled aggregate concrete,the peak strain is higher,and the elastic modulus is lower than those of the ordinary concrete.