Carbonation resistance of high-flowing concrete with compound admixturesChinese Full Text
MENG Zhi-liang;WANG Bin;ZHANG Yu-hui;MENG Chen xuan;WANG Bo-hang;ZHOU Jiong;College of Urban and Rural Construction,Agricultural University of Hebei;College of Material Science ＆ Engineering,Chongqing University;Ji Zi Project Supervision Limited Liability Company of Hebei Province;
Abstract: The accelerated carbonation test was carried out to research the carbonation resistance of high-flowing concrete with compound admixtures.The results show that:（1）At the same dosage of compound admixtures,the carbonation depth of high-flowing concrete increases with the increasing of water-binder ratio,the increasing amplitudes are significant differences in different water-binder ratios scales;at the same water-binder ratio,the carbonized depth of high-flowing concrete increases with the increasing of the age and the dosage of compound admixtures。（2）The relationship between the age of the high-flowing concrete with compound admixtures and the accelerated carbonized depth can be expressed by apower function;under a certain condition of the dosage of compound admixtures and water-binder ratio,the compressive strength of 28 days of the high-flowing concrete with compound admixtures has a good linear relationship with its carbonized depth of 28 days.
Keywords：
grounded fluidized bed coal slag; compound admixtures; high-flowing concrete; carbonation; water-binder ratio;
- DOI：
10.13320/j.cnki.jauh.2014.0126
- Series：
- Subject：
- Classification Code：
TU528
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