Using Clay-Straw-Cement Bricks to Improve Indoor Thermal Comfort and Energy Efficiency for Cooling in Dry, Hot Climates

Document Type : Original papers

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1 Department of Architecture Engineering, Faculty of Engineering, Aswan University, Aswan, Egypt

2 Assuit-Faculty of Engineering

3 Aswan-Faculty of Engineering

Abstract

This study investigates the potential of eco-friendly bricks to enhance thermal comfort and reduce cooling energy consumption in residential buildings located in hot and dry climates. These bricks are produced by compressing a mixture of clay, straw, and 6% Portland cement by volume, offering a sustainable alternative to traditional construction materials. The research is conducted in two phases. The first phase includes experimental testing, which involves manufacturing the bricks, evaluating their thermal properties, and conducting field measurements using a 1 m × 1 m test room model constructed in Qurna City, Egypt. The second phase employs Design Builder simulation software to assess the performance of various wall cross-section configurations in residential buildings. The findings reveal that eco-friendly bricks significantly reduce cooling energy demand by 34% compared to traditional bricks and 35% compared to cement bricks. These results highlight their effectiveness in improving energy efficiency while promoting sustainable building practices. Adopting eco-friendly bricks can contribute to energy conservation, cost reduction, and environmental sustainability in hot arid regions.

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