Saved Bookmarks
| 1. |
According to IRC:15-2011, Minimum cement content for 4.5 N/mm^2 characteristic flexural strength for OPC + fly ash mix OPC shall ____________(a) Shall not be less than 360 kg/m^3(b) Shall not be less than 425 kg/m^3(c) Shall not be less than 340 kg/m^3(d) Shall not be less than 500 kg/m^3The question was posed to me by my college professor while I was bunking the class.My question is from Road Method of Mix Design in portion Concrete Mix Design of Concrete Technology |
|
Answer» RIGHT answer is (C) Shall not be LESS than 340 kg/m^3 The best explanation: According to IRC:15-2011, Minimum CEMENT content for 4.5 N/mm^2 characteristic flexural strength for OPC + fly ash mix OPC shall not be less than 340 kg/m^3 and for opc itshouldn’t be less than 360 kg/m^3. |
|