The engineering structure are composed of material. These materials are known as the engineering materials or building materials or material of construction. it is necessary for an engineer to become conversant with the properties of such materials. The services conditions of building demand a wide range of materials and various properties such as water resistance, strength, durability, temperature resistance, appearance, permeability, etc. are to be properly studied before making final selection of any building material for a particular use. It is significant to note that a universal building material for application in all conditions is yet to be a found out. The grouping of building materials is done by considering specific properties of the materials such as stones, ceramics, cement concrete, timber, metals, etc. eaach group is then suitably sub-divided. The application of each building material in the engineering field is predetermined by its chief or main properties. When a...
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