Influence of calcium sulfate state and fineness of cement on hydration of Portland cements using electrical measurement
β Scribed by Wei Xiaosheng; Li Zongjin; Xiao Lianzhen; Thong Wangfai
- Publisher
- Wuhan University of Technology
- Year
- 2006
- Tongue
- English
- Weight
- 429 KB
- Volume
- 21
- Category
- Article
- ISSN
- 1000-2413
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π SIMILAR VOLUMES
The influence of gypsum (G) and anhydrite (A) on the strength and hydration of ordinary Portland cement (OPC) has been investigated. Under an initial steam-curing condition (65Β°C x 4 h), optimum SO3 contents of both samples were found rising to 4-5% SO3 and a higher optimum strength was gained with
Portland cement samples containing amounts of CaCl 2 and NiCl 2 ranging from approximately 1% to 20% by weight have been examined by 29Si and 2~i solid-state MAS NMR as a function of time, and some of the mature pastes have been characterized by X-ray diffraction. Changes in physical properties tha
Evaluation of effects of C A and SOA contents in Portland cement on its compressive strengt6, hydrat!on rate and products. Three cement samples varFing in C3A content and one varying in SO 3 content were used, hydrated initially at three temperatures. Compressive strength, bound water content, free