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《Cement》 2011-01
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Synthesis of alite-strontium calcium sulphoaluminate cement and its performance

LI Qiu-ying,LU Ling-chao,WANG Shou-de School of Materials Science and Engineering,University of Jinan,Jinan 250022,Shandong,China  
The preparation conditions and performance of alite-strontium calcium sulphoaluminate cement were studied with a clinker made of ordinary cement raw meal of fixed modulus and various content of strontium calcium sulphoaluminate.The mineral constituents and the structures of the alite-strontium calcium sulphoaluminate clinker were analyzed by X-ray diffraction,scanning electron microscope and energy spectrum analysis and petrographic analysis.The results showed that the strontium calcium sulphoaluminate could coexist with the mineral of Portland clinker in a clincker system,and its optimal content should be 6%~12%.The nice crystal could be form within the temperature range of 1350~1380℃.The 1d,3d and 28d compressive strength of this type cement that prepared under these conditions could be 30.5MPa,58.4MPa and 122.2MPa.
【Fund】: 国家重点基础研究发展规划(973)项目(2009CB623101);; 山东省自然科学基金项目(Y2008F49)
【CateGory Index】: TQ172.12
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