Early Hydration of Composite Cement with Thermal Activated Coal Gangue |
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| Authors: | GUO Wei ZHU Jianping LI Dongxu CHEN Jianhua YANG Nanru |
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| Affiliation: | GUO Wei1,2,ZHU Jianping2,LI Dongxu2,CHEN Jianhua3,YANG Nanru2 (1. Department of Material Engineering,Yancheng Institute of Technology,Yancheng 224003,China,2. Institute of Material Science , Engineering,Nanjing University of Technology,Nanjing 210009,3. Department of Chemistry , Materials Engineering,Changshu Institute of Technology,Changshu 215500,China) |
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| Abstract: | Composite cement samples were prepared by mixing clinker, gypsum with burnt coal gangues which was calcined at various temperatures. The mechanical strength and Ca(OH)2 content in the cement paste were tested, and the paste composition and microstructure were analyzed by thermogravimetry-differential thermal analysis (TG-DSC), X-ray diffraction(XRD), scanning electronic microscopy (SEM) and pore structure analysis. Results demonstrate that the thermal activated coal gangue could accelerate the early hydrati... |
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| Keywords: | blended cement hydration microstructure hydration product |
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