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

Nepomuceno, Miguel; Silva, Pedro Dinho da

http://hdl.handle.net/10400.6/4553

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Authors

Nepomuceno, Miguel

Silva, Pedro Dinho da

Abstract(s)

An experimental evaluation on cement mortars with phase change material (PCM) incorporated via lightweight aggregate (LWA) is reported. 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/m3 corresponding to the LWA contents of 242, 354 and 481 kg/m3, respectively. Mechanical and thermophysical properties were evaluated. 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.

Keywords

Cement mortar Lightweight aggregate Expanded clay aggregate Phase change material Thermal conductivity Compressive strength Flexural strength Density

URI

http://hdl.handle.net/10400.6/4553

Citation

Miguel C.S. Nepomuceno, Pedro D. Silva, Experimental evaluation of cement mortars with phase change material incorporated via lightweight expanded clay aggregate, Construction and Building Materials, 63 (2014) 89-96. DOI:10.1016/j.conbuildmat.2014.04.027. ISSN:09500618.