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Which grade of cement concrete is used in the construction of simple R.C.C. floors?(a) M15(b) M10(c) M30(d) M20The question was posed to me in exam.The above asked question is from Types of Upper Floors topic in portion Floors and Flooring of Construction & Building Materials |
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Answer» RIGHT OPTION is (d) M20 To explain: In simple R.C.C. floors, generally cement CONCRETE of M20 mix is used. After pouring of the concrete, it is well-compacted and the slab is PROPERLY cured. Shuttering can be removed only when the concrete has fully been SET. |
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