Research based on scanning electron microscopy to determine original water-cement ratio of hardened concrete - 文章详情页

作者：

Li, Yue (Li, Yue.) | Tong, Huan (Tong, Huan.) | Yang, Jin Bo (Yang, Jin Bo.) | Dong, Wan Guo (Dong, Wan Guo.)

收录：

EI Scopus

摘要：

In　order　to　detect　the　influence　of　age　on　the　experiment　that　use　scanning　electron　microscopy　(SEM)　to　determinate　the　original　water-cement　ratio　(w/c)　of　hardened　concrete,　a　series　of　concrete　mixes　are　tested.　Experimental　results　show　that　early　ages　do　have　an　effect　on　the　water-cement　ratio　of　hardened　concrete　that　determined　from　scanning　electron　microscopy,　this　effect　will　decrease　while　age　increases.　The　relationship　between　capillary　porosity,　w/c　and　age　is　analyzed　and　a　calculation　equation　is　given.　©　(2014)　Trans　Tech　Publications,　Switzerland.

关键词：

Cements Concretes Engineering technology Hardening Materials science Porosity Scanning electron microscopy

作者机构：

[ 1 ] [Li, Yue]The Key Laboratory of Urban Security and Disaster Engineering, MOE, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Li, Yue]Beijing Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing, 100124, China
[ 3 ] [Tong, Huan]The Key Laboratory of Urban Security and Disaster Engineering, MOE, Beijing University of Technology, Beijing, 100124, China
[ 4 ] [Tong, Huan]Beijing Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing, 100124, China
[ 5 ] [Yang, Jin Bo]Beijing Shunyi Commission of Housing and Urban-Rural Development, Beijing, 101300, China
[ 6 ] [Dong, Wan Guo]The Key Laboratory of Urban Security and Disaster Engineering, MOE, Beijing University of Technology, Beijing, 100124, China
[ 7 ] [Dong, Wan Guo]Beijing Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing, 100124, China

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