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低温对水泥砂浆硫酸盐侵蚀速率的影响试验研究

王云天 王起才 郭玉柱 谢松林 代金鹏

硅酸盐通报2017,Vol.36Issue(10):3368-3372,5.
硅酸盐通报2017,Vol.36Issue(10):3368-3372,5.

低温对水泥砂浆硫酸盐侵蚀速率的影响试验研究

Experimental Study on the Effect of Low Temperature on the Rate of Sulfate Attack of Cement Mortars

王云天 1王起才 1郭玉柱 1谢松林 1代金鹏1

作者信息

  • 1. 兰州交通大学道桥工程灾害防治技术国家地方联合工程实验室,兰州 730070
  • 折叠

摘要

Abstract

The effects of temperature on the rate of sulfate attack were established by studying the sulfate attack of OPC and SRC cement mortars in low temperatures .OPC and SRC cement mortars was immersed in 3%sodium sulfate solutions at different temperatures , the trends in the flexural strength was used to evaluate the rate of sulfate attack in low temperature .The results show that the corrosion of sulfate cement mortar is increasing with the decrease of temperature .The decrease rate of flexural strength decreases with the decrease of temperature , and the decrease of water-cement ratio can improve the resistance of cement mortar to sulfate .

关键词

低温/硫酸盐侵蚀/破坏模型/抗折强度

Key words

low temperature/sulfate attack/destruction model/flexural strength

分类

建筑与水利

引用本文复制引用

王云天,王起才,郭玉柱,谢松林,代金鹏..低温对水泥砂浆硫酸盐侵蚀速率的影响试验研究[J].硅酸盐通报,2017,36(10):3368-3372,5.

基金项目

长江学者和创新团队发展计划滚动支持(IRT_15R29) (IRT_15R29)

硅酸盐通报

OA北大核心CSCDCSTPCD

1001-1625

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