The mass concrete in piers and abutments, the grade of concrete mix us – McqOptions

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1.	The mass concrete in piers and abutments, the grade of concrete mix used, is
A.	1 ; 1 : 2
B.	1 ; 1.5 : 3
C.	1 ; 2 : 4
D.	1 ; 3 : 6
Answer» E.

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