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Concrete Grade C20 25

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Design values of concrete material properties according to en1992-1-1 unit weight he unit weight of concrete is specified in en1991-1-1 annex ar plain unreinforced concrete 24 knm 3r concrete with normal percentage of reinforcement or prestressing steel 25 knm 3characteristic compressive strength f ckhe characteristic compressive strength f ck is the first value.

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