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Ethiopian Standard Of Concrete

Concrete Technology ch.2 Dr. Basil Salah Chapter Two Types of Cement . The properties of cement during hydration vary according to Chemical composition Degree of fineness It is possible to manufacture different types of cement by changing the percentages of their raw materials.

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    A concrete block wall can be laid in less time and may cost up to half as much as a similar brick wall. The concrete blocks are generally made using concrete which is a mixture of powdered Portland cement, water, M-Sand, and gravel. Concrete blocks are used extensively for both load bearing and non- load bearing walls, externally and internally.

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