Thermal performance of Rice Husk Ash mixed mortar in concrete and masonry buildings

Kajanan Selvaranjan

kajansss22@gmail.com
Department of Civil Engineering, University of Moratuwa, Sri Lanka (Sri Lanka)
https://orcid.org/0000-0003-3589-6065

J.C.P.H. Gamage


Department of Civil Engineering; University of Moratuwa; (Sri Lanka)
https://orcid.org/0000-0002-9246-8414

G.I.P. De Silva


Department of Materials Science and Engineering; University of Moratuwa; (Sri Lanka)
https://orcid.org/0000-0002-8792-3494

Vajira Attanayaka


Airow Solutions (Pvt) Ltd.; (Sri Lanka)
https://orcid.org/0000-0002-6624-0838

Abstract

Rice Husk (RH) is an agricultural waste which is produced in huge amounts from the milling process of paddy rice. Rice Husk Ash (RHA) is a by-product material obtained from the combustion of rice husk. The amorphous silica-rich RHA (84-90 wt%) has a wide range of applications. This research focused on the possibility of utilizing RHA in the process of developing a mortar with low thermal conductivity to enhance the thermal comfort in concrete and masonry buildings. The thermal conductivity of mortar was determined by Lee’s Disc method, and the results were compared to the data for conventional mortar as well as commercial thermal insulation materials. The results indicate a significant reduction in thermal conductivity in the mortar developed with RHA


Keywords:

thermal conductivity, mortar, mechanical properties, SEM, Rice Husk Ash

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Published
2020-11-02

Cited by

Selvaranjan, K. (2020) “Thermal performance of Rice Husk Ash mixed mortar in concrete and masonry buildings”, Budownictwo i Architektura, 19(4), pp. 045–053. doi: 10.35784/bud-arch.2121.

Authors

Kajanan Selvaranjan 
kajansss22@gmail.com
Department of Civil Engineering, University of Moratuwa, Sri Lanka Sri Lanka
https://orcid.org/0000-0003-3589-6065

Authors

J.C.P.H. Gamage 

Department of Civil Engineering; University of Moratuwa; Sri Lanka
https://orcid.org/0000-0002-9246-8414

Authors

G.I.P. De Silva 

Department of Materials Science and Engineering; University of Moratuwa; Sri Lanka
https://orcid.org/0000-0002-8792-3494

Authors

Vajira Attanayaka 

Airow Solutions (Pvt) Ltd.; Sri Lanka
https://orcid.org/0000-0002-6624-0838

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