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Question
what are the diffrent kind of grades in concrete and what does 
M means while specifyng the grades?
 Question Submitted By :: Mitish.arora1
I also faced this Question!!     Rank Answer Posted By  
 
  Re: what are the diffrent kind of grades in concrete and what does M means while specifyng the grades?
Answer
# 1
M stands for Mix
Grades vary from M5 to M65 ( Indian Practice )
 
Is This Answer Correct ?    29 Yes 3 No
Gurumoorthy
 
  Re: what are the diffrent kind of grades in concrete and what does M means while specifyng the grades?
Answer
# 2
M-stands for mix (like m20=1:2:3)
Types of grade are M10,M20,,,,,,,,,,,,,,,,M50,M60ETC
 
Is This Answer Correct ?    18 Yes 8 No
Dinesh
 
 
 
  Re: what are the diffrent kind of grades in concrete and what does M means while specifyng the grades?
Answer
# 3
M-mix
M20,M25,M30,M35,M40,M45
 
Is This Answer Correct ?    14 Yes 0 No
Shalini
 
  Re: what are the diffrent kind of grades in concrete and what does M means while specifyng the grades?
Answer
# 4
there are three types of grade in concrete.
1.normal mix concrete
2.standard mix concrete
3.high strength mix concrete
M means mix proposition.
 
Is This Answer Correct ?    6 Yes 2 No
S.thiyagarajan
 
  Re: what are the diffrent kind of grades in concrete and what does M means while specifyng the grades?
Answer
# 5
M means concrete cube casting,curing after 28days
compressive stength
 
Is This Answer Correct ?    4 Yes 11 No
Suresh Kannan,n
 
  Re: what are the diffrent kind of grades in concrete and what does M means while specifyng the grades?
Answer
# 6
Ordinary concrete- M10,M15,M20
Standard Concrete-M25,M30,M35,M40,M45,M50,M55
High Strength concrete-M60,M65,M70,M75,M80
Here are two grades also specified in BIS for lean concrete
M5 and M7.5
Where M refers to Mix and the given no. specified the
characteristics compressive strength of 150 mm cube after 28
days curing on normal temperature..
 
Is This Answer Correct ?    13 Yes 1 No
Ajay Prasad
 
  Re: what are the diffrent kind of grades in concrete and what does M means while specifyng the grades?
Answer
# 7
In the designation of a concrete mix,letter M refers to the mix and the number to the specified characteristic compressive strength of 15 cm. cube at 28 days,express in N/mm2.As a example M25 = 25 N /mm2 or 250 Kg./cm2 (app). 
Is This Answer Correct ?    3 Yes 2 No
Debasish Pramanick
 
  Re: what are the diffrent kind of grades in concrete and what does M means while specifyng the grades?
Answer
# 8
Ordinary concrete- M10,M15,M20
Standard Concrete-M25,M30,M35,M40,M45,M50,M55
High Strength concrete-M60,M65,M70,M75,M80
Here are two grades also specified in BIS for lean concrete
M5 and M7.5
Where M refers to Mix and the given no. specified the
characteristics compressive strength of 150 mm cube after 28
days curing on normal temperature..
 
Is This Answer Correct ?    0 Yes 0 No
S.rajmohan
 
  Re: what are the diffrent kind of grades in concrete and what does M means while specifyng the grades?
Answer
# 9
Ordinary concrete- M10,M15,M20
Standard Concrete-M25,M30,M35,M40,M45,M50,M55
High Strength concrete-M60,M65,M70,M75,M80
Here are two grades also specified in BIS for lean concrete
M5 and M7.5
Where M refers to Mix and the given no. specified the
characteristics compressive strength of 150 mm cube after 28
days curing on normal temperature
 
Is This Answer Correct ?    0 Yes 0 No
Amit Raval
 

 
 
 
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one litre of shuttering oil how much area covered the shuttering? UltraTech 2
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WHAT IS THE CALCULATION FOR FINDING CEMENT AND SAND FOR 10' * 12' AREA RATIO 1:6 THICKNESS 12 MM JVS 1
Cost control in civil construction as well as Quality control Reliance 11
How to calculate the quantity of water in cement mortar eg. CM 1:3?   2
Are you having any structural design experience?   2
how to calculate cutting length in bar bending schedule for 180 degree bend? for 90 degree bend we take 2d i.e we -2d for 180 degree ho much ? question asked at l&t L&T 1
what is the ratio of cement water and sand in RCC? DLF 6
4. What is your philosophy / attitude towards work?   6
plz tell.. how can we find weight(in kg) of 1 cum of m20 mix..? how can we find the ratio of cement sand and agregate on site i.e if we given some amount of m20 mix then hw we find the ratio..?   5
what is minimum reinforcement required for rcc works NCC 4
 
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