膨润土保水增稠材料对预拌砂浆性能影响_《混凝土与水泥制品》杂志社

头部文案

发布时间：2020-01-06 00:00:00

全国建材科技期刊
全国中文核心期刊
中国科技论文统计源期刊
万方数据-数字化期刊群入网期刊
中国学术期刊（光盘版）全文收录期刊

华东地区优秀科技期刊
江苏省期刊方阵“双效期刊”
中国期刊网全文收录期刊
中国科技期刊数据库全文收录期刊



膨润土保水增稠材料对预拌砂浆性能影响

Effect of Bentonite Based Water-retentive and Plastic Materials on the Performance of Ready-mixed Mortars

２０19年第12期

膨润土；保水增稠材料；预拌砂浆；性能

Bentonite; Water-retentive and plastic materials; Ready-mixed mortar; Performance

２０19年第12期

10.19761/j.1000-4637.2019.12.078.05

国家重点研发计划项目（2016YFC0701004）；四川省科技计划项目（2018GZ0152）。

杨泽青1，2，李军1，2，卢忠远1，邓鑫1，2

1.西南科技大学环境友好能源材料国家重点实验室，绵阳 621010；2.西南科技大学材料科学与工程学院，绵阳 621010

杨泽青1,2，李军1,2，卢忠远1，邓鑫1,2

杨泽青,李军,卢忠远,等.膨润土保水增稠材料对预拌砂浆性能影响[J].混凝土与水泥制品,2019(12):78-82.

YANG Z Q,LI J,LU Z Y,et al.Effect of Bentonite Based Water-retentive and Plastic Materials on the Performance of Ready-mixed Mortars[J].China Concrete and Cement Products,2019(12):78-82.

浏览量:

1000

摘要：选取国内特色膨润土矿物作为预拌砂浆保水增稠材料，研究了膨润土种类（钙基膨润土、钠基膨润土、锂基膨润土）及其掺量对预拌砂浆性能的影响。结果表明，不同类型的三种膨润土在预拌砂浆中均具有增稠保水功能；膨润土的掺入能够使预拌砂浆湿密度降低，但掺量过多将影响砂浆力学性能；相比于钙基和钠基膨润土，锂基膨润土在较低掺量下即具有较好的保水增稠效果；减水剂的掺入可在保证掺膨润土预拌砂浆稠度的前提下，有效降低用水量、提高力学性能；在优选配合比下，钙基、钠基膨润土与纤维素醚复掺在改善预拌砂浆保水率、28 d力学性能方面均优于单掺纤维素醚或膨润土。 Abstract: Local characteristics bentonite mineral was used as the water-retentive and plastic material to prepare ready-mixed mortar and the effect of the type (Ca-bentonite, Na-bentonite, Li-bentonite) and the content of bentonite on performance of ready-mixed mortar was studied. The results show that three different types of bentonite have thickening and water retention functions in ready-mixed mortar. The addition of bentonite can reduce the wet density of ready-mixed mortar but decrease the mechanical properties when excessive addition of bentonite. Compared with Ca-bentonite and Na-bentonite, Li-bentonite with lower dosage has better water retention and thickening effect. The addition of water reducing agent in bentonite ready-mixed mortar can effectively reduce the water consumption and improve the mechanical properties under proper consistency. Composites of cellulose ether and Ca-bentonite/Na-bentonite can improve the water retention rate and 28 d strength of the ready-mixed mortar, which are superior to the cellulose ether or bentonite used alone.

英文名 : Effect of Bentonite Based Water-retentive and Plastic Materials on the Performance of Ready-mixed Mortars

刊期 : ２０19年第12期

关键词 : 膨润土；保水增稠材料；预拌砂浆；性能

Key words : Bentonite; Water-retentive and plastic materials; Ready-mixed mortar; Performance

刊期 : ２０19年第12期

DOI : 10.19761/j.1000-4637.2019.12.078.05

文章编号 :

基金项目 : 国家重点研发计划项目（2016YFC0701004）；四川省科技计划项目（2018GZ0152）。

作者 : 杨泽青1，2，李军1，2，卢忠远1，邓鑫1，2

单位 : 1.西南科技大学环境友好能源材料国家重点实验室，绵阳 621010；2.西南科技大学材料科学与工程学院，绵阳 621010

杨泽青1,2，李军1,2，卢忠远1，邓鑫1,2

杨泽青,李军,卢忠远,等.膨润土保水增稠材料对预拌砂浆性能影响[J].混凝土与水泥制品,2019(12):78-82.

YANG Z Q,LI J,LU Z Y,et al.Effect of Bentonite Based Water-retentive and Plastic Materials on the Performance of Ready-mixed Mortars[J].China Concrete and Cement Products,2019(12):78-82.





摘要

参数

结论

参考文献

引用本文

摘要：选取国内特色膨润土矿物作为预拌砂浆保水增稠材料，研究了膨润土种类（钙基膨润土、钠基膨润土、锂基膨润土）及其掺量对预拌砂浆性能的影响。结果表明，不同类型的三种膨润土在预拌砂浆中均具有增稠保水功能；膨润土的掺入能够使预拌砂浆湿密度降低，但掺量过多将影响砂浆力学性能；相比于钙基和钠基膨润土，锂基膨润土在较低掺量下即具有较好的保水增稠效果；减水剂的掺入可在保证掺膨润土预拌砂浆稠度的前提下，有效降低用水量、提高力学性能；在优选配合比下，钙基、钠基膨润土与纤维素醚复掺在改善预拌砂浆保水率、28 d力学性能方面均优于单掺纤维素醚或膨润土。
Abstract: Local characteristics bentonite mineral was used as the water-retentive and plastic material to prepare ready-mixed mortar and the effect of the type (Ca-bentonite, Na-bentonite, Li-bentonite) and the content of bentonite on performance of ready-mixed mortar was studied. The results show that three different types of bentonite have thickening and water retention functions in ready-mixed mortar. The addition of bentonite can reduce the wet density of ready-mixed mortar but decrease the mechanical properties when excessive addition of bentonite. Compared with Ca-bentonite and Na-bentonite, Li-bentonite with lower dosage has better water retention and thickening effect. The addition of water reducing agent in bentonite ready-mixed mortar can effectively reduce the water consumption and improve the mechanical properties under proper consistency. Composites of cellulose ether and Ca-bentonite/Na-bentonite can improve the water retention rate and 28 d strength of the ready-mixed mortar, which are superior to the cellulose ether or bentonite used alone.

关键词:

膨润土；保水增稠材料；预拌砂浆；性能

扫二维码用手机看

[1] 肖群芳,李岩凌,苟洪珊,等.干混普通砂浆关键技术研究[J]. 新型建筑材料,2014,41(5):33-36.
[2] 范红兵,胡建安,王涛.预拌砂浆用外加剂的技术经济特性分析[J].混凝土与水泥制品,2014(12):75-79.
[3] 戴民,魏征,李秀.聚合物砂浆保水性研究[J].混凝土,2015(7):128-130.
[4] 徐迅,郝益,郑成章.纤维素醚对普通砂浆保水性能的影响[J]. 混凝土与水泥制品,2017(4):69-71.
[5] 吴金明,唐凯靖.纤维素醚与脱硫石膏基自流平砂浆相容性试验研究[J].混凝土与水泥制品,2018(11):74-77.
[6] KACI A,CHAOUCHE M,Andréani P A.Influence of bentonite clay on the rheological behaviour of fresh mortars[J]. Cement and Concrete Research,2011,41(4):373-379.
[7] BARAST G,RAZAKAMANANTSOA A R,DIERAN M I,et al.Swelling properties of natural and modified bentonites by rheological description[J].Applied Clay Science,2016(142):60-68.
[8] 董超颖,孙振平,翁光文,等.膨润土应用于建筑材料的研究进展与展望[J].新型建筑材料,2013,40(11):8-13.
[9] 蒋正武.膨润土在建材工业中的应用研究进展[J].中国非金属矿工业导刊,2004(1):16-18.
[10] AL-ZUBAIDI N S,ALWASITI A A,MAHMOOD D.A comparison of nanobentonite and some nano chemical additives to improve drilling fluid using local clay and commercial bentonites[J].Egyptian Journal of Petroleum,2016,26(3):811-813.
[11]SHARMA L K,SINGH R,AHMAD M,et al.Experimental Evaluation of GeomechanicalBehaviour of Bentonite-Sand Mixture for Nuclear Waste Disposal[J].Procedia Engineering, 2017,191:386-393.
[12] 鞠建英.膨润土与密实增稠保水材料[A].中国硅酸盐学会非金属矿分会非金属矿产资源高效利用学术研讨会论文专辑[C].北京,2009.
[13] KUO W Y,HUANG J S,LIN C H.Effects of organo-modified montmorillonite on strengths and permeability of cement mortars[J].Cement and Concrete Research,2006,36(5):886-895.
[14] 蒋林华,王涛,丁国庆,等.膨润土水泥砂浆性能及机理研究[J].新型建筑材料,2012(4)：48-53.
[15] 李方贤,龙世宗,陈友治.膨润土对砂浆性能的调控作用//全国商品砂浆学术交流会[C].武汉,2009.
[16] 丁国庆,蒋林华,张继尹.膨润土对硅酸盐水泥水化硬化的影响[J].武汉理工大学学报,2012,34(4):20-23.
[17] 刘杰胜,周梦林,胡秋锦,等.钠基膨润土改性水泥砂浆制备与基本性能研究[J].武汉轻工大学学报,2017(4):49-51+94.
[18] 郅磊,蹇守卫,周浩.钠基膨润土对砌筑砂浆性能的影响[J].中国建材科技,2014,23(5):71-74.
[19] 罗玲,韩建红,邱尊长.外加剂对预拌砂浆性能影响的试验研究[J].混凝土,2011(9):107-109.
[20] 黎力.自流平砂浆的配制及性能研究[D].重庆:重庆大学, 2007.

上一个

新型仿花岗岩混凝土路缘石成型装置设计与试验研究

下一个

基于有限元的钢筋混凝土框架柱CFRP加固分析

头部文案

膨润土保水增稠材料对预拌砂浆性能影响

相关文件