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Strength development and micro-mechanism of magnesium oxychloride cement concrete
Qiao, H. X.1,2; Zhu, B. R.1; Shi, Y. Y.1; Dong, J. M.2; Wanjiru, M. Elizabeth3
2015-04-01
发表期刊MATERIALS RESEARCH INNOVATIONS
卷号19页码:S185-S190
文章类型Article
摘要This paper presents the feature of magnesium oxychloride cement and its particle. Water-resistant admixture and other inorganic materials (silica fume, fly ash and slag) with mix proportion were added to the mix proportion to improve the mechanical properties of magnesium oxychloride cement concrete. By recording the uniaxial compressive strength of concrete at 7-128 days, the influences on the early and late strength of magnesium oxychloride cement caused by different inorganic materials and varied consumption of magnesium chloride solution were analysed. It is shown that the early strength development is fast and the strength with fly ash performs the highest strength; the late strength of concrete reduces because of the scumming of magnesium oxychloride cement, but the strength resumes. Using X-ray diffraction, scanning electron microscope and energy dispersive X-ray spectroscope to investigate the micro-mechanism, the dense gel phase is found in magnesium oxychloride cement concrete with fly ash, which led to the advantage in compressive strength over other samples.
关键词Magnesium Oxychloride Cement Concrete Compression Strength Micro-mechanism
WOS标题词Science & Technology ; Technology
收录类别SCI
语种英语
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000354957900040
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6137
专题青海盐湖研究所知识仓储
作者单位1.Lanzhou Univ Technol, Key Lab Disaster Prevent & Mitigat Civil Engn Gan, Lanzhou 730050, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
3.Lanzhou Univ Technol, Literature Sch Int Educ, Lanzhou 730050, Peoples R China
推荐引用方式
GB/T 7714
Qiao, H. X.,Zhu, B. R.,Shi, Y. Y.,et al. Strength development and micro-mechanism of magnesium oxychloride cement concrete[J]. MATERIALS RESEARCH INNOVATIONS,2015,19:S185-S190.
APA Qiao, H. X.,Zhu, B. R.,Shi, Y. Y.,Dong, J. M.,&Wanjiru, M. Elizabeth.(2015).Strength development and micro-mechanism of magnesium oxychloride cement concrete.MATERIALS RESEARCH INNOVATIONS,19,S185-S190.
MLA Qiao, H. X.,et al."Strength development and micro-mechanism of magnesium oxychloride cement concrete".MATERIALS RESEARCH INNOVATIONS 19(2015):S185-S190.
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