Effects of glass fiber modified with calcium silicate hydrate (C-S-H(I)) reinforced cement

被引：4
|
作者：
Xin, M. [1 ,2 ]
Zhang, L. [1 ,2 ]
Ge, S. [1 ,3 ]
Cheng, X. [1 ,2 ]
机构：
[1] Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Peoples R China
[2] Univ Jinan, Shandong Prov Key Lab Preparat & Measurement Bldg, Jinan 250022, Peoples R China
[3] Univ Jinan, Sch Chem & Chem Engn, Jinan 250022, Peoples R China
来源：
17TH IUMRS INTERNATIONAL CONFERENCE IN ASIA (IUMRS-ICA 2016) | 2017年 / 182卷
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
glass fiber; cement; flexural strength; modification; FLEXURAL PERFORMANCE; COMPOSITES; STEEL; RESISTANCE; STRENGTH; BEHAVIOR;
D O I：
10.1088/1757-899X/182/1/012040
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this paper, calcium silicate hydrate (C-S-H(I)) and glass fiber modified with C-SH(I) (SiF) at ambient temperature were synthesized. SiF and untreated fiber (OF) were incorporated into cement paste. Phase composition of C-S-H(I), SiF and OF was characterized by XRD. The surface morphologies were characterized by SEM. Flexural performance of fiber reinforced cement (FRC) at different curing ages was investigated. Results indicated that both SiF and OF could reinforce cement paste. SiF had a more positive effect on improving the flexural performance of FRC than OF. The strength of SiF reinforced cement was 11.48MPa after 28 days curing when fiber volume was 1.0%, 12.55% higher than that of OF reinforced cement. The flexural strength increased with the addition of fiber volume. However, the large dosage of fiber might cause a decrease in flexural strength of FRC.
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页数：5
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