Refractory concretes are used extensively to line steel teeming ladies. The concrete linings are made by monolithic tamping [1-3] and casting [4] methods. Cherubim and Peach [5] give comparative results for the preparation of linings by different procedures.The concretes used as the lining material are as follows: concrete with 95-99 ~# crystalline quartzite, 1-5% slag, and 16-18% slag (above 100% ~ water glass with a density of 1.3 g/cm ~ [61; concrete from quartzite with added clay [7,8]; and silica concrete with a chemical binder [9, 10].

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