重庆交通大学学报(自然科学版) ›› 2007, Vol. 26 ›› Issue (2): 131-135.
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李固华,高波
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LI Gu-hua;GAO Bo
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摘要: 以掺15%粉煤灰的砼为基准,研究了纳米CaCO,(NC)砼耐于湿腐蚀循环的性能.试验结果表明:与基准砼相 比,在70次和110次循环后,Nc掺量为1%时砼的相对耐干湿循环系数分别提高l1%和13%,但过高的Nc掺量可 能对砼的耐久性有副作用;同时对Nc砼性能的机理进行了分析.
关键词: 纳米CaCO, 粉煤灰, 砼, 干湿腐蚀循环
Abstract: Regarding fly ash concrete as normal basis,the performances of concretes with am level CaC03(NC)tire investigated in dring-weting cycle in corrosive environments.The result shows that comparing with normal concrete,after 70 and 110 times drying-wetting cycle.modulus ratios of drying-wetting cycle in corrosive environments of the concrete with 1% NC have increased by 11% and 13% respectively.Too much NC in concrete would decrease the durability of the concrete.Fi— nally,the mechanism for the concrete with NC is discussed.
Key words: am level CaCO3, fly ash, concrete, drying-weting cycle in corrosive environments
中图分类号:
TU528.32
李固华,高波. 纳米CaCO3对砼耐干湿循环腐蚀性能的影响[J]. 重庆交通大学学报(自然科学版), 2007, 26(2): 131-135.
LI Gu-hua;GAO Bo. Efect of NM Level CaCO3 on Performance of the Concrete in Drying-W etting Cycle in Corrosive EnVironments[J]. Journal of Chongqing Jiaotong University(Natural Science), 2007, 26(2): 131-135.
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