Experimental study on fracture properties of Waste fiber recycled concrete

MATEC Web of Conferences

Zhou Jing Hai¹  Wang Feng Chi²  Dong Wei²  Kang Tian Bei² 

[1] Construction Energy Conservation Research Institute, Shenyang Jianzhu University;School of Civil Engineering, Shenyang Jianzhu University;

关键词: recycled concrete;    waste fiber;    fracture criteria;    fiber volume content;   

DOI  :  10.1051/matecconf/20166303015

来源: DOAJ

【 摘 要 】

In order to study the influence of the replacement ratio of recycled aggregate and the volume of waste fiber on the fracture performance of concrete, the three-point bending test is carried out on the waste fiber recycled concrete precast beams. Calculate the waste recycled fiber concrete fracture parameters according to the double-K fracture model. The results show that the fracture indexes of recycled fiber are related to the recycled aggregate replacement ratio and the volume content of waste fiber. The larger the replacement rate of recycled aggregate is, the smaller the fracture indexes of the specimens are. The volume content of waste fiber is 0.12%, which has the most significant effect on the fracture performance. The study shows that waste fiber can improve the fracture properties of recycled aggregate concrete.

【 授权许可】

Unknown