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Open AccessArticle

Damping Property of Cement Mortar Incorporating Damping Aggregate

1
School of Materials Science and Engineering, Chang’an University, Xi’an 710064, China
2
School of Civil Engineering, Harbin Institute of Technology, Harbin 150000, China
3
School of Materials Science and Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
*
Author to whom correspondence should be addressed.
Materials 2020, 13(3), 792; https://doi.org/10.3390/ma13030792
Received: 6 January 2020 / Revised: 6 February 2020 / Accepted: 7 February 2020 / Published: 9 February 2020
(This article belongs to the Section Construction and Building Materials)
This study proposes a new cement mortar incorporating damping aggregate (DA) and investigates the mechanical properties and damping property of the cement mortar. Four types of DA were prepared, lightweight aggregate presaturated water and three types of polymer emulsion. Further, the effects of polypropylene fiber and rubber powder on the performance of the cement mortar were studied. The experimental results showed that the damping ratio of specimens containing 70% DA was approximately three times higher than that of the reference mortar, with a slight decrease in the mechanical properties. Adding fiber was more effective than rubber powder in improving the damping ratio of the cement mortar, and the optimal dosage of fiber was 0.5%. View Full-Text
Keywords: cement mortar; lightweight porous aggregate; damping aggregate; polymer emulsion; mechanical properties; damping property cement mortar; lightweight porous aggregate; damping aggregate; polymer emulsion; mechanical properties; damping property
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MDPI and ACS Style

Tian, Y.; Lu, D.; Zhou, J.; Yang, Y.; Wang, Z. Damping Property of Cement Mortar Incorporating Damping Aggregate. Materials 2020, 13, 792.

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