|本期目录/Table of Contents|

[1]李铭,汪艳,胡吉良,等.水性环氧树脂改性水泥力学性能[J].武汉工程大学学报,2011,(11):52-54.
 LI Ming,WANG Yan,HU Ji liang,et al.Mechanical properties of waterborne epoxyresin modified concrete material[J].Journal of Wuhan Institute of Technology,2011,(11):52-54.
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2011年11期
页码:
52-54
栏目:
材料科学与工程
出版日期:
2011-11-30

文章信息/Info

Title:
Mechanical properties of waterborne epoxy
resin modified concrete material
文章编号:
16742869(2011)11005203
作者:
李铭汪艳胡吉良张闵龙
武汉工程大学材料科学与工程学院,湖北 武汉 430074
Author(s):
LI MingWANG YanHU JiliangZHANG Minlong
School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430074,China
关键词:
水性环氧树脂固化剂改性力学性能
Keywords:
waterborne epoxy resincuring agentmodificationmechanical properties
分类号:
TU502
DOI:
-
文献标志码:
AAdoi:10.3969/j.issn.16742869.2011.11.013
摘要:
在水性环氧树脂改性水泥材料的实验中,选用不同的固化剂,环氧树脂掺量以及养护制度来研究改性后水泥的力学性能变化;同时也对改性后的水泥断裂面进行观察研究.实验结果表明:a.水溶性好的固化剂对改性水泥的力学性能的改善效果更为显著;b.随着环氧树脂掺量的增加,改性水泥脆性降低,柔性增加,变形能力增大;c.随着龄期的增加,改性水泥的抗折强度及抗压强度都有不同程度的提高;d环氧树脂改性水泥改变了水泥的孔结构,减少了硬化水泥中的微裂纹.
Abstract:
In the experiment of waterborne epoxy resin modified concrete material,the change of modified concrete mechanical properties by different curing agents,waterborne epoxy resin proportions and curing conditions was studied and the fractured surface of the concrete modification was observed.Experimental results indicate,(1)curing agent with good watersolubility had better effect on mechanical properties of modified concrete,(2)with increase of waterborne epoxy resin proportion,modified concrete has lower brittleness,higher flexibility and better formability,(3)with the increase of age,compressive strength and flexural strength raise in various degrees,(4)the modification changes pore structure and decreases tiny cracks in the modified concrete.

参考文献/References:

[1]秦海兰,朱方之.环氧树脂混凝土的研究现状和工程应用[J].焦作工学院学报:自然科学版,2003,22(2):109113.
[2]中国水力电力科学研究院.DL/T51262001聚合物改性水泥砂浆试验规程[S].北京:中国电力出版社,2001,1718.
[3]中华人民共和国城乡建设环境保护部.GB10787 混凝土强度检验评定标准[S].北京:中华人民共和国国家计划委员会,1988.
[4]田甜.水性环氧树脂乳液改性水泥砂浆性能的研究[D].长江:湖南大学土木工程学院,2011.
[5]Joshua B K.Polymer Modified Concrete Review[J].Journal of Materials in Civil Engineering,1997,9(2):8587.
[6]王涛,许仲梓.环氧水泥砂浆的改性机理[J].南京化工大学学报,1997,19(2):2831.

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