Dynamic Mechanical Properties of EVA Polymer-Modified Cement Paste at Early Age

被引：31
|
作者：
Zhang, Zhenlei [1 ]
Wang, Peiming [1 ]
Wu, Jianguo [1 ]
机构：
[1] Tongji Univ, Minist Educ, Key Lab Adv Civil Engn Mat, Shanghai 201804, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON SOLID STATE DEVICES AND MATERIALS SCIENCE | 2012年 / 25卷
关键词：
polymer-modified cement paste; dynamic mechanical properties; storage modulus; loss tangent; vibration damping; CONCRETE; MORTARS;
D O I：
10.1016/j.phpro.2012.03.088
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The polymer-modified cementitious materials are widely used as functional building materials since the expanding of the application of polymer in construction industry. The dynamic mechanical properties of EVA polymer-modified cement pastes at early age were investigated by dynamic mechanical analysis at 0.49Hz-100Hz (loading frequency). Experimental results show that the dynamic flexural properties, as expressed by the storage modulus and loss tangent, ascended linearly with a logarithmic frequency. The storage modulus increased with the increase of the hydration time. On the contrary, the loss tangent of 3% and 5%P/C decreased according to increase of the hydration time at 7dyas. (C) 2012 Published by Elsevier B.V. Selection and/or peer-review under responsibility of Garry Lee
引用
收藏
页码：305 / 310
页数：6
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