Answer / abha baghel

M is use for mix. 20 is the charactristic compressive
strength of concrete of 15 cm. cubes at 28 days in N/mm^2

Answer / ashis malakar

M means mix and 20 means characteristics compressive
strength of concrete after 28 days perfect curing.(in N/mm2)

Answer / sneha rai

In the designation of concrete mix M mfm to the mix and the
number to the specified compressive strength of 150 mm size
cube at 28 days, expressed in N/mn?.

Answer / k s naveen

M denotes the mix & 20 denotes the charecterestic compressive strength of concrete at the end of 28 days curing is not less than 20N/mm^2

Answer / gautam kumar

What means of bending moment in concrete

how much L is provide in footings. what is min and max length of L. what is the formula

1 Answers  

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What is difference between combin footing & rapt footing

0 Answers  

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which type of instrument included in plumbing work?name of instrument?

0 Answers   Gammon,

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how many shuttering material required for 1000 sq.m built up area.

0 Answers   ABC, CGHB,

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can we use .5 water-cement ratio for any type of cement?

7 Answers  

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What is unit weight of roadway layer.. 1.bitumen 2.sand 3.soil 4.concrete 5. aggregate give me some reference for this answers

0 Answers  

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How to design 12*12*14 room having rrc slab ,coloum, beam,foundation?

0 Answers   Aircel,

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concrete coverings outside steel

13 Answers   Jain Housing, L&T, Supertech,

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what is flexible and rigid footing?

0 Answers   IBM, Wah Engineering College,

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What is the best mixture ratio in building a power plant? what is the weight of a 1 sack cement? what is the density of a cement?

1 Answers   Alfaraa, CMC,

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How to Concrete cube test method and required result in 3days & 7days & 28 days, for all grade of concrete which refer the is code no.

3 Answers  

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please i wont to know the full meaning of P V C

6 Answers   DLEA,

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