Effect of methylcellulose admixture on the mechanical properties of cement

被引：3
|
作者：
Fu, XL
Chung, DDL
机构：
[1] State Univ of New York at Buffalo, Buffalo, United States
来源：
CEMENT AND CONCRETE RESEARCH | 1996年 / 26卷 / 04期
关键词：
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Methylcellulose addition (0.2-0.8% by weight of cement) to cement paste was found to increase the tensile strength by up to 72%, increase the tensile ductility by up to 620%, decrease the tensile modulus by up to 57%, decrease the compressive strength by up to 30%, decrease the compressive ductility by up to 34%, increase the compressive modulus by up to 17%, and decrease the apparent coefficient of thermal expansion (390 Pa, 30-35 degrees) from 10 x 10(-6) down to -4 x 10(-6) degrees C-1. All effects increased with increasing methylcellulose content.
引用
收藏
页码：535 / 538
页数：4
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