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Question
Grades of concrete
 Question Submitted By :: Civil-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
M20,M25,M30,M35,M40 
Is This Answer Correct ?    451 Yes 67 No
Sathis
 
Answer
# 2
M10,M15(P.C.C)
M20,M25,M30,M35,M40(using OPC)
M50,M60,M75(using micro silica)
 
Is This Answer Correct ?    371 Yes 60 No
Mallikarjuna
 
 
 
Answer
# 3
M5, M10,used for P.C.C and now a days M15 grade of concrete
has been widely used for PCC.
Where as M20,M25 used for footings,columns,beams&slabs.
From M30 grade of concrete onwards it is Design Mix
M30,M35,M40,M45,M50,M55,M60,M65,M70,M75,M80.
 
Is This Answer Correct ?    278 Yes 43 No
Kiran Babu T
 
Answer
# 4
For Lean Concrete = M-5,M-7.5,M-10,M-15
For RCC Concrete = M-20,M-25,M-30,M-35
For Coloumn, Pier etc = M-40,M-45,M-50,M-55
For High Grade of Concrete = M-60,M-70,M-75,M-80,M-90,M-100
 
Is This Answer Correct ?    186 Yes 45 No
Sandeep Kumar
 
Answer
# 5
M20, M 25, M30 , M35 , M40 , THESE GRADES ARE USED IN
ORDINARY BUILDINGS AND THEY ARE DEPEND ON THE LOAD OF THE
BUILDINGS

M45 , M50 .

FOR R.C.C - M20 , M25 , M30 , M35

FOR COLOUMN - M40 , M45 , M50
 
Is This Answer Correct ?    134 Yes 28 No
Hanishsehgal
 
Answer
# 6
Ordinary Concrete M10, M15, M20
Standard Concrete M25, M30, M35, M40, M45, M50
High Strength Concrete M55, M60, M65, M70, M75, M80
 
Is This Answer Correct ?    106 Yes 14 No
Harsha
 
Answer
# 7
M15 , M20 , M25 ,M30 ,M35, M40 
Is This Answer Correct ?    83 Yes 18 No
Satish K. Shukla
 
Answer
# 8
M15,M20,M25,M30,M35,M40 ACCORDING TO THE PLANNED STRUCTURE 
Is This Answer Correct ?    63 Yes 13 No
Rajeshwar Mishra
 
Answer
# 9
Depends on Mix Proportions. (i.e. 1:2:4, 1:1.5:3 etc.) 
Is This Answer Correct ?    71 Yes 22 No
Sunil Khairnar
 
Answer
# 10
The meaning of the Grade of concrete is charactorstic
compressive srenth of the 150mmx150mmx150mm concre cube at
28 days age
 
Is This Answer Correct ?    20 Yes 1 No
V.ramachandraiah
 

 
 
 
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