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Question 
what is the compresive strength  of m20 concrete at 7 day
 Question Submitted By :: Nilamadhab
I also faced this Question!!     Rank Answer Posted By  
 
  Re: what is the compresive strength of m20 concrete at 7 day
Answer
# 1		 as m20 is specification .as we know compressive strength of
M20 after curing will be 20kn/m2.but after 7 days it will
gain 60% strength.......... 
Is This Answer Correct ?    33 Yes 13 No
Ak Mishra
 
  Re: what is the compresive strength of m20 concrete at 7 day
Answer
# 2		 135 N/mm2 
Is This Answer Correct ?    14 Yes 35 No
Rajesh
 
 
 
  Re: what is the compresive strength of m20 concrete at 7 day
Answer
# 3		 Its should be 65-67% of m20 = 13.4KN/mm2 
Is This Answer Correct ?    28 Yes 5 No
Modipraveen
[Modi Constructions & Consultant]
 
  Re: what is the compresive strength of m20 concrete at 7 day
Answer
# 4		 It should be 60-65% 
Is This Answer Correct ?    12 Yes 12 No
K.sivasaravanan
 
  Re: what is the compresive strength of m20 concrete at 7 day
Answer
# 5		 compressive strength of concrete for 21 day curing period
is 21 MPa whic is equal to :
= 2,100 N / mm2
= 2.10 KN / mm2

for a 7 day curing period, strength will be 1/3 of the
comp.stregth. 
Is This Answer Correct ?    3 Yes 14 No
Alfonso
 
  Re: what is the compresive strength of m20 concrete at 7 day
Answer
# 6		 It should be atleast 26.60 N/mm2 
Is This Answer Correct ?    3 Yes 13 No
Maverick
 
  Re: what is the compresive strength of m20 concrete at 7 day
Answer
# 7		 IT SH'D have 2/3 of its strength after 7 days 
Is This Answer Correct ?    9 Yes 2 No
Nakkeeran.raja
[V3S Infratech Ltd]
 
  Re: what is the compresive strength of m20 concrete at 7 day
Answer
# 8		 it should be 67% in 7 days. 13.4 N/mm2 
Is This Answer Correct ?    10 Yes 0 No
Prabin J
 
  Re: what is the compresive strength of m20 concrete at 7 day
Answer
# 9		 Compressive Strength for M20 concrete in 7 days is 175 kg/sq.cm. 
Is This Answer Correct ?    2 Yes 4 No
Mohammed Aijaz Hussain
 
  Re: what is the compresive strength of m20 concrete at 7 day
Answer
# 10		 the concrete must have attained 2/3 of the streght = 13.5-14kn/m2 
Is This Answer Correct ?    5 Yes 0 No
Ginikanwa Nuga Adiele
 

12 >>

 
 
 
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