[1]张亦林,严捍东,钟国才,等.泥粉对聚羧酸减水剂水泥净浆流变性的影响[J].华侨大学学报(自然科学版),2018,39(6):832-839.[doi:10.11830/ISSN.1000-5013.201804030]
　ZHANG Yilin,YAN Handong,ZHONG Guocai,et al.Influence of Clay Powder to Rheological Behaviour of Cement Paste With Polycarboxylate Superplasticizer[J].Journal of Huaqiao University(Natural Science),2018,39(6):832-839.[doi:10.11830/ISSN.1000-5013.201804030]
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泥粉对聚羧酸减水剂水泥净浆流变性的影响()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第39卷
期数:
2018年第6期
页码:
832-839
栏目:
出版日期:
2018-11-20

文章信息/Info

Title:
Influence of Clay Powder to Rheological Behaviour of Cement Paste With Polycarboxylate Superplasticizer
文章编号:
1000-5013(2018)06-0832-08
作者:
张亦林1;  严捍东1;  钟国才2; 3;  全志龙3
1. 华侨大学 土木工程学院, 福建 厦门 361021;2. 科之杰新材料集团有限公司, 福建 厦门 361101;3. 华侨大学 材料科学与工程学院, 福建 厦门 361021
Author(s):
ZHANG Yilin1;  YAN Handong1; ZHONG Guocai2; 3;  QUAN Zhilong3
1. College of Civil Engineering, Huaqiao University, Xiamen 361021, China; 2. KZJ New Materials Group Company Limited, Xiamen 361101, China; 3. College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, China
关键词:
泥粉;  聚羧酸减水剂;  水泥净浆;  流变性
Keywords:
clay powder;  polycarboxylate superplasticizer;  cement paste;  rheological behaviour
分类号:
TU528.52
DOI:
10.11830/ISSN.1000-5013.201804030
文献标志码:
A
摘要:
为探究泥粉和聚羧酸减水剂对水泥净浆流变性的影响,在掺入聚羧酸减水剂母液和两种复配助剂的基础上,分别外掺1%,2%,3%的高岭土型和蒙脱土型泥粉,并采用Bingham流变模型系统地研究泥粉掺量、种类和聚羧酸减水剂助剂对水泥净浆屈服应力及塑性粘度的影响规律.通过X射线(XRD)小角度衍射、总有机碳(TOC)、Zeta电位对宏观试验结果进行验证.结果表明:增大泥粉掺量可降低聚羧酸减水剂水泥净浆的流变性;高岭土型普通黏土对降低聚羧酸减水剂水泥净浆流变性的程度小于蒙脱土型膨润土;异戊烯基聚氧乙烯醚(TPEG类)保坍型助剂F1对水泥净浆流变性的促进作用大于异丁烯基聚氧乙烯醚(HPEG类)减水型助剂F2.
Abstract:
In order to explore the effect of clay powder and polycarboxylate superplasticizer on rheological behaviour of cement paste, in addition of the mother liquor of polycarboxylate superplasticizer and two kinds of compound additive, the clay powder with proportion of 1%, 2%, 3% is also added. Using Bingham rheological model, the effect of quantity of clay powder and compound additive of polycarbox ylate superplasticizer on yield stress and plastic viscosity of two rheological parameters of cement paste is systematically discussed, and verified by the macro experimental results by X ray(XRD)analysis of small angle diffraction, total organic carbon(TOC)and Zeta potential testing.The results show that the increasing admixing quantity of clay powder decreases the rheological behavior of cement paste with polycarboxylate superplasticizer.The rheological b-aviour decrease of cement paste with polycarboxylate superplasticizer due to kaolin clay is more than the behaviour decrease due to montmorillonite clay powder, and the rheological behavior increase of cement paste with polycarboxylate superplasticizer due to isoprene polyoxyethylene ether(TPEG)compound additive of F1 with slump loss resistance is more than the behavior increase due to isobutylene polyoxyethylene ether(HPEG)compound additive of F2 with water reducing ratio.

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备注/Memo

备注/Memo:
收稿日期: 2017-03-29
通信作者: 严捍东(1968-),男,教授,博士,主要从事土木工程材料与结构的研究.Email:hdyan@hqu.edu.cn.
基金项目: 福建省科技计划资助项目(2016H0021,20170018); 福建省泉州市科技计划资助项目(2014Z126); 华侨大学研究生科研创新能力培育计划资助项目(1611304040)
更新日期/Last Update: 2018-11-20