Study of influence of lithium slag on mechanical properties of recycled aggregate concrete
LI Jianpei
Abstract：Based on the experimental study of the lithium slag to replace part of cement,recycled aggregate instead of natural aggregate to prepare recycled aggregate concrete with lithium slag,the influence of lithium slag and recycled aggregate replacement ratio on the volume stability,fluidity and strength of concrete was studied. The experimental results show that the volume stability of the lithium slag was well when the substitution rate is not higher than 70%. The incorporation of lithium slag amount can greatly improve the fluidity of concrete,and can greatly improve the concrete compressive strength and tensile strength. When the lithium slag replace rate is 20%,the concrete compressive strength and tensile strength win the best. Recycled aggregate has an adverse effect on compressive strength and tensile strength of concrete. When the replacement ratio of recycled aggregate is 100%, the maximum decreasing amplitude of concrete compressive strength reaches 28.14%,and the maximum decreasing amplitude of tensile strength is 25.50%.
Keywords：lithium slagrecycled aggregatestabilitystrength
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 48-51 )