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Research of fly-ash for improvement to characteristics of concrete durability

ZHANG Dayong,SHI Yanghang(Civil Engineering Department of Huaqiao University,Quanzhou 362021,China)  
Fly-ash act as a addition of concrete,which make a great improvement to mechanical characteristics and durability of concrete,furthermore,the concrete with early strength and high volume fly-ash concrete,which with fly-ash,have,made a great development in concrete engineering.There are some question in fly-ash application,but the application of fly-ash concrete is already a general trend.This paper will expound that fly-ash improve concrete characteristics and the characteristic of high volume fly-ash concrete,and forecast the foreground of fly-ash concrete
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