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Question
what is M & 20 of M20 concrete
 Question Submitted By :: Civil-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
M stands for Mix
20 stands for Compressive strength of concrete in N/ mm2
 
Is This Answer Correct ?    55 Yes 2 No
Guest
 
Answer
# 2
M stands for mix, of concrete cube with a compressive
strength of 20 N/ s.mm at 28 days
 
Is This Answer Correct ?    21 Yes 5 No
Rubes
 
 
 
Answer
# 3
M - Stands for MIX ; 20 - Stands for characteristic
compressive strength of concrete at the age of 28 days
 
Is This Answer Correct ?    7 Yes 1 No
Sekar.k
 
Answer
# 4
m stadnds for mixture and numerical value indicates is
strength after 28 days curing period
 
Is This Answer Correct ?    3 Yes 0 No
Guest
 
Answer
# 5
M - Stands for MIX ; 20 - Stands for characteristic
compressive strength of concrete is 20 N/Sq.mm after 28
days curing.
 
Is This Answer Correct ?    2 Yes 0 No
Partha Mitra
 
Answer
# 6
M stands for mix and 20 is its compressive strength in
n/sqmm for 28 days.
 
Is This Answer Correct ?    2 Yes 1 No
Dinesh Gaikwad
 
Answer
# 7
m stadnds for mixture and numerical value indicates is
strength after 28 days curing period
 
Is This Answer Correct ?    1 Yes 0 No
Guest
 
Answer
# 8
charter strength of of concrete is called M20 and M25
M20 is mixing ratio is 1:1.5:3 , M25 is 1:1:2
 
Is This Answer Correct ?    2 Yes 3 No
Sundar
 
Answer
# 9
m is mix ic design & 20 is charectoristrength 
Is This Answer Correct ?    0 Yes 1 No
Reddy
 

 
 
 
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what is water cement ratio and how to calculate it after designing the concrete? TATA 4
why there is need to provide shear reinforcement?give the basic reason? Power-Grid 7
If in a structure, e.g, 20mm steel bar is not available and we use 16mm steel bar instead of 20mm bar, how can we calculate the no. of steel bars for 16mm diameter bar?   5
 
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