Cement according to the meaning of civil engineering is divided into two types. Bituminous (Bituminous) and Nan Bi ทูมิน modulus (Non Bituminous) bituminous cement. Including asphalt (Asphalts) and tar (Tars) we use Bi Tumi, non bituminous cement;(Alumina Cement) and Portland cement (Portland Cement) has the characteristics of light gray powder to mix the water quantities large enough fit. And leave to dry will harden. We often call this type of cement, hydraulic cement (Hydraulic Cement) theAnd curing in water so. Portland cement are used in the construction of most associated cement mixed with rocks, sand, and made the road surface, and call this mixture, asphalt concrete (Asphalt Concrete)
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