Experimental evaluation of cement mortars with phase change material incorporated via lightweight expanded clay aggregate

被引：49
|
作者：
Nepomuceno, Miguel. C. S. [1 ]
Silva, Pedro D. [1 ]
机构：
[1] Univ Beira Interior, Ctr Mat & Bldg Technol, Covilha, Portugal
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2014年 / 63卷
关键词：
Cement mortar; Lightweight aggregate; Expanded clay aggregate; Phase change material; Thermal conductivity; Compressive strength; Flexural strength; Density; ENERGY-STORAGE; BUILDINGS; BEHAVIOR; SYSTEMS; WALLS;
D O I：
10.1016/j.conbuildmat.2014.04.027
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Objective: An experimental evaluation on cement mortars with phase change material (PCM) incorporated via lightweight aggregate (LWA) is reported. Materials and methods: Three groups of LWA mortars were produced: one with pre-soaked LWA and the others with PCM-filled LWA combining two different impregnation processes and PCM dosages of 50, 75 and 100 kg/m(3) corresponding to the LWA contents of 242, 354 and 481 kg/m(3), respectively. Mechanical and thermophysical properties were evaluated. Results: The results showed that high thermal inertia and low mass are compatible in PCM-filled LWA mortars and that the thermal response increases with the PCM to a certain limit and then decrease. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：89 / 96
页数：8
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