Adiabatic Heating Test of High Content Fly Ash Dam Concrete and Study on Early Cracking Property
In this paper,the adiabatic temperature rise evolution law and early cracking sensitivity of high content fly ash dam concrete were analyzed,and the temperature sensitivity and adiabatic heating property were compared with that of benchmark concrete.The results show that the peak temperature rate of reference concrete is faster than that of high-content fly ash concrete,and the peak temperature rate of reference concrete is higher than that of high-content fly ash concrete.In the matching mode,the cracking temperature of the reference concrete is 21.6%higher than the peak temperature of the high-content fly ash concrete.In adiabatic mode,the cracking temperature of the reference concrete is 20.8%higher than that of the high content fly ash concrete.Compared with the reference concrete,the cracking temperature of high-content fly ash concrete is slower,and the cracking temperature of high-content fly ash concrete is lower,that is,the cracking resistance of high-con-tent fly ash concrete is higher.
Dam concreteFly ashAdiabatic heatingEarly cracking performance
国家科技期刊平台
NSTL
万方数据
