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通过分析镁渣的成分及其膨胀机理,以镁渣、粉煤灰、石灰等为原料,制备混凝土膨胀剂,按照GB 23439-2009《混凝土膨胀剂》规定测试限制膨胀率及胶砂试块强度.结果表明,以镁渣、粉煤灰和石灰制备混凝土膨胀剂是可行的;石灰可以促进镁渣的水化,且当石灰掺量增大时,混凝土的早期膨胀率增大,后期有收缩:随着镁渣掺量的提高,镁渣膨胀剂的限制膨胀率先增大后趋于平衡,而镁渣掺量的增大对胶砂试块的强度无明显影响.
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新型建筑材料
ISSN: 1001-702X
Year: 2012
Issue: 9
Volume: 39
Page: 1-3,34
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 12
Chinese Cited Count:
30 Days PV: 7
Affiliated Colleges: