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DOI	10.1016/j.conbuildmat.2018.04.181
	Exploring the influence of SiO2 and TiO2 nanoparticles on the mechanical properties of concrete
	Ren, Jingge; Lai, Yuanming; Gao, Jianqiang
发表日期	2018
ISSN	0950-0618
EISSN	1879-0526
起始页码	277
结束页码	285
卷号	175
英文摘要	The compressive strengths of concrete containing different contents of nano-SiO2 and nano-TiO2 have been investigated at ages of 3, 7, 21 and 28 days. Scanning electron microscopy and X-ray diffraction are used to evaluate the hydration products and paste-aggregate interface. The results indicate that both nano-SiO2 and nano-TiO2 can act as crystallization centers of calcium hydroxide and as fillers in the empty space, reduce the size of crystal at the interface and improve the compressive strength at 28 days. Also, both of them can react with calcium hydroxide, but only nano-SiO2 can produce C-S-H and enhance the early strength. (C) 2018 Elsevier Ltd. All rights reserved.
英文关键词	Nanomaterials; Compressive strength; Hydration reaction; Paste-aggregate interface; Calcium hydroxide crystal
语种	英语
WOS研究方向	Construction & Building Technology ; Engineering ; Materials Science
WOS类目	Construction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary
WOS关键词	SELF-COMPACTING CONCRETE ; CEMENT MORTARS ; NANO-SILICA ; FLY-ASH ; DURABILITY ; NANO-SIO2 ; STRENGTH ; NANOSILICA ; NANO-TIO2 ; PARTICLES
WOS记录号	WOS:000434754500025
来源期刊	CONSTRUCTION AND BUILDING MATERIALS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/239469
作者单位	[Ren, Jingge; Lai, Yuanming; Gao, Jianqiang] Chinese Acad Sci, Northwest Inst Eco Environm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Gansu, Peoples R China; [Ren, Jingge; Lai, Yuanming; Gao, Jianqiang] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Ren, Jingge,Lai, Yuanming,Gao, Jianqiang. Exploring the influence of SiO2 and TiO2 nanoparticles on the mechanical properties of concrete[J],2018,175.
APA	Ren, Jingge,Lai, Yuanming,&Gao, Jianqiang.(2018).Exploring the influence of SiO2 and TiO2 nanoparticles on the mechanical properties of concrete.CONSTRUCTION AND BUILDING MATERIALS,175.
MLA	Ren, Jingge,et al."Exploring the influence of SiO2 and TiO2 nanoparticles on the mechanical properties of concrete".CONSTRUCTION AND BUILDING MATERIALS 175(2018).