Preparation of Low-heat Portland Cement Clinker with Coal Gangue

被引：3
|
作者：
Chen, Guangli [1 ]
Fu, Xinghua [1 ]
Tao, Wenhong [1 ]
机构：
[1] Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Peoples R China
来源：
EMERGING FOCUS ON ADVANCED MATERIALS, PTS 1 AND 2 | 2011年 / 306-307卷
关键词：
coal gangue; low-heat Portland cement clinker; hydrates; mechanical properties;
D O I：
10.4028/www.scientific.net/AMR.306-307.861
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A kind of low-heat Portland cement clinker was prepared with coal gangue, limestone and gypsum through optimizing the mix proportion of raw materials, and its properties and hydration characteristics were studied. The results showed that the cement clinker meeting the demands of mid (low)-heat Portland cement standard could be prepared with 35% (by weight, the same below) coal gangue, 57-60% limestone and 6-8% gypsum. The raw materials were burned at 1380 degrees C for 40 minutes. The main hydrates were calcium silicate hydrate (C-S-H) gel, ettringite (AFt), rnonosulfate (AFm) and Ca(OH)(2).
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页码：861 / 864
页数：4
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