Ground granulated blast furnace slag effect on the durability of ternary cementitious system exposed to combined attack of chloride and sulfate

Ground granulated blast furnace slag effect on the durability of ternary cementitious system exposed to combined attack of chloride and sulfate
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粒化高炉矿渣粉对氯化物和硫酸盐联合侵蚀下三元胶凝体系耐久性的影响

DOI:
10.1016/j.conbuildmat.2017.10.062
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发表时间:
2018-01
影响因子:
7.4
通讯作者:
Jiangbo Zhang
Jiangbo Zhang
中科院分区:
工程技术1区
文献类型:
--
作者:
Guoxin Li;Ai Zhang;Zhanping Song;Shengjun Liu;Jiangbo Zhang

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研究了由普通硅酸盐水泥、铝酸钙水泥和不同掺量的磨细高炉矿渣(GGBS)组成的三元胶凝体系(TCS)在5%氯化钠、5%Na2SO4和5%氯化钠-5%Na2SO4侵蚀下的耐久性。结果表明,GGBS部分取代TCS后,结合氯离子增多,抗压强度提高,显气孔率降低。此外,氯化物的存在减轻了硫酸盐的侵蚀。硫酸盐的存在降低了游离氯和总氯的含量,限制了弗里德尔盐的形成。
This paper presents a study on the durability of the ternary cementitious system (TCS) containing ordinary Portland cement, calcium aluminate cement and calcium sulfate with different content of ground granulated blast furnace slag (GGBS) when subjected to 5% NaCl, 5% Na2SO4, and 5% NaCl–5% Na2SO4attacks. The results showed that the partial replacement of TCS by GGBS increased bound chloride, enhanced compressive strength, and decreased apparent porosity. Besides, the presence of chloride mitigated sulfate attack. The presence of sulfate decreased the contents of free and total chloride, and limited the formation of Friedel’s salt.
DOI: 10.1016/j.conbuildmat.2016.01.022
发表时间: 2016-03
影响因子: 7.4
作者:
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通讯作者: Guoxin Li;A. Zhang;Ge Zhang;Ting Tian
DOI: 10.1520/stp25023s
发表时间: 1990
期刊: --
影响因子: --
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发表时间: 1986-09-01
影响因子: 11.4
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通讯作者: ROY, DM
DOI: 10.1016/j.cemconres.2004.06.038
发表时间: 2005-08-01
影响因子: 11.4
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