Building Materials: Characteristics and Classification

This lecture covers the characteristics and classification of building materials, including physical properties like density, thermal conductivity, and specific heat capacity. It discusses various materials such as metals, concrete, stones, wood, and insulation materials, highlighting their mechanical resistance, elasticity, and thermal expansion. The lecture also explores the absorption and emission properties of different materials, focusing on their infrared and visible light absorption. Additionally, it delves into the concept of materials' absorption of sound and their resistance to wear and impact. The presentation concludes with a detailed examination of the absorption and emission powers of various materials in the infrared and visible light spectrum.