CONSTRUCTION MATERIALS
1.1 INTRODUCTION
PHYSICAL PROPERTIES OF MATERIALS – DENSITY, BULK DENSITY,
SPECIFIC GRAVITY, POROSITY, WATER ABSORPTION, PERMEABILITY,
CHEMICAL RESISTANCE, FIRE RESISTANCE, WEATHERING RESISTANCE,
THERMAL CONDUCTIVITY, DURABILITY.(ONLY DEFINITIONS)
1.2 ROCKS AND STONES
ROCKS – CLASSIFICATION OF ROCKS – GEOLOGICAL, PHYSICAL AND
CHEMICAL CLASSIFICATION – USES OF STONES – REQUIREMENTS OF
A GOOD BUILDING STONE – NATURAL AND ARTIFICIAL STONES FOR
FLOORING – EXAMPLES (DETAILED DESCRIPTION NOT REQUIRED)
1.3 BRICKS
DEFINITION – BRICK EARTH – COMPOSITION OF GOOD BRICK EARTH –
MANUFACTURING PROCESS – CLASSIFICATION OF BRICKS –
PROPERTIES OF BRICKS – SPECIAL TYPES OF BRICKS AND THEIR
USES –COMPRESSIVE STRENGTH OF BRICKS –TESTS ON BRICKS
-GRADES AND CORRESPONDING REQUIREMENTS OF BRICKS AS PER BIS.