Study on synthesis and performance of alite-strontium calcium sulfoaluminate cement

被引：7
|
作者：
Lu, Lingchao [1 ]
Wang, Shoude [1 ]
Li, Qiuying [1 ]
Cheng, Xin [1 ]
机构：
[1] Univ Jinan, Shandong Prov Key Lab Preparat & Measurement Bldg, Jinan, Peoples R China
来源：
ADVANCES IN CEMENT RESEARCH | 2012年 / 24卷 / 04期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1680/adcr.10.00054
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Synthesis conditions and performance of a novel alite-strontium calcium sulfoaluminate cement are reported: the clinker composition is modified from that of Portland cement. The mineral composition and the microstructure of the clinker were analysed by X-ray diffraction (XRD) analysis, scanning electron microscopy-energy dispersive X-ray spectrometry (SEM-EDS) and lithofacies. The results show that strontium calcium sulfoaluminate and the minerals of Portland cement clinker can coexist in one clinker system. The optimal composition of alite-strontium calcium sulfoaluminate clinker is as follows: strontium calcium sulfoaluminate 9% (mass %), C3S 59. 35%, C2S 14. 14%, C(3)A 7.50%, C(4)AF 10.00%. The content of strontium calcium sulfoaluminate produced during the sintering process at 1380 degrees C is high. The compressive strength of the cement prepared under the testing conditions reaches 30.5 MPa, 58.4 MPa and 122.2 MPa at 1 day, 3 days and 28 days curing ages, respectively.
引用
收藏
页码：187 / 192
页数：6
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