渗透结晶型防水材料的防水机理试验

journal6 ›› 2008, Vol. 29 ›› Issue (4): 48-52.

渗透结晶型防水材料的防水机理试验

（1.中南大学土木建筑学院，湖南长沙 410075；2.中铁二十五局集团有限公司,广东广州 510600）

出版日期:2008-07-25 发布日期:2012-05-21
作者简介:雷金山(1973－)，男，湖南湘乡人，中南大学土木建筑学院讲师，博士生，主要从事岩土及地下工程研究.
基金资助:
湖南省自然科学基金资助项目(07JJ3104)；广州市地下铁道设计院科研资助项目；中铁二十五局集团科技创新计划资助项目

Experimental Research on Waterproofing Mechanism of Capillary Crystalline Waterproofing Material

(1.School of Civil Engineering and Architecture,Central South University,Changsha 410075,China；2.The 25th China Railway Construction Bureau Group,Guangzhou 510600,China)

Online:2008-07-25 Published:2012-05-21

摘要/Abstract

摘要：从微观上研究了CN2000B防水涂料的防水机理，通过扫描电镜试验和能谱分析的方法，对比分析了CN2000B防水涂料净浆、砂浆及渗透层的形貌、化学成分及其含量，然后根据元素含量的变化来推断该防水涂料在砂浆中的渗透深度.通过X衍射试验测出了该防水涂料渗入到砂浆中生成的晶体成分.试验结果表明：渗透深度随龄期的增长而逐渐增加，28 d龄期的渗透深度可达29.14 mm.该研究结果成功应用于对焦柳线石吉段隧道渗漏整治，可为今后的隧道渗漏整治提供借鉴.

关键词： 防水机理, CN2000B防水材料, 渗透结晶型, 渗透深度, 扫描电镜, 铁路隧道, 渗漏整治

Abstract: This paper dealeds with the study on the micro-mechanism of CN2000B waterproofing coating.The microstructure of motor,waterproofing coating and permeability layer was obtained through scanning electron microscopy (SEM).Their main elements were determined and their relative weights(percentage) were calculated with X-ray energy dispersive analysis (EDAX).The test result was compared.The depth penetrated through mortar was deduced form the variations of elements content in different depth.The results of this study showed that the depth increased with curing time,and the value reached 29.14 mm at the age of 28 d.This study was applied to treatment of tunnel seepage on Shimen-Jishou section of Jiaozuo-Liuzhou railway.It can also be used for reference to treatment of the seepage on transportation railway tunnel.

Key words: waterproofing mechanism, waterproofing material of CN2000B, capillary crystalline type, penetration depth, scanning electron micorscopy (SEM), railway tunnel, treatment of the seepage

雷金山, 阮波, 孙利民, 徐明根. 渗透结晶型防水材料的防水机理试验[J]. journal6, 2008, 29(4): 48-52.

LEI Jin-Shan, RUAN Bo, SUN Li-Min, XU Ming-Gen. Experimental Research on Waterproofing Mechanism of Capillary Crystalline Waterproofing Material[J]. journal6, 2008, 29(4): 48-52.