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can u elaborate the difference between alumina and silica functions in cement
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can u elaborate the difference between alumina and silica functions in...
Silica and Alumina are two out of three main ingredients in cement and the general percentage is given below. The major ingredient of cement is Lime.
Silica 17-25 %
1 Helps in maintaining the consistency and workability of concrete
2 Sufficient quantity of silica should be present in cement to dicalcium and tricalcium silicate.
3 Silica imparts strength to cement.
4 Silica usually present to the extent of about 30 percent cement.
Alumina 3-8%
1 Alumina (Al2 O3) imparts quick setting property to the cement.
2 Clinkering temperature is lowered by the presence of the requisite quantity of alumina.
3 Excess alumina weakens the cement.
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can u elaborate the difference between alumina and silica functions in cement Related: Chapter 1 Cement - Notes, Building Material and Construction, Civil Engineering
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