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Author:

吴昊 (吴昊.) | 王子明 (王子明.)

Indexed by:

CQVIP PKU CSCD

Abstract:

劣质砂石料中的泥土成分对聚羧酸减水剂具有强烈的抑制效应.试验中发现几个不同地区的砂石料都在不同程度上对聚羧酸减水剂产生影响,表现为坍落度损失快,工作性能变差.经过XRD测试发现,砂石中泥成分主要为SiO2、长石类,云母类以及黏土类矿物等.通过对PCE-1的TOC测试得知,长石,高岭石和绢云母等对聚羧酸减水剂均具有很强的吸附作用.在胶砂流动度试验中,外掺泥土的拌合物的5、30、60 min的扩展度值均小于blank样,长石和绢云母具有较强的吸附作用,蒙脱石的吸附能力最强.

Keyword:

泥土 吸附量 聚羧酸系减水剂

Author Community:

  • [ 1 ] [吴昊]北京工业大学
  • [ 2 ] [王子明]北京工业大学

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Source :

混凝土

ISSN: 1002-3550

Year: 2012

Issue: 6

Page: 86-88

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 28

Chinese Cited Count:

30 Days PV: 2

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