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 to do connection between steel beam (I-Section) with R.C.C column??

2 Answers  

what is tension & compression of steel bending.

0 Answers   L&T,

10. Do you remain in good relationship with your previous employer / company where you no longer work /?

1 Answers  

Bearing capacity of soil determined as per ASTM is to design the foundation size.what is the importance of EV1/EV2 value as per DIN .My consultant ask me to test the the soil as per din to find out this ratio to assess the compacted strength of soil ,,?? is it meaning full ??

0 Answers  

What is the quantity of metal 1 & metal 2 to be used in 100 cft concrete?

0 Answers  

.5Ast

0 Answers   NAU,

how much required strength of cement concrete bricks(size 230x115x75mm)

0 Answers   Student,

what is water cement ratio m10,m15,m20,m25,m30,m35,m40

1 Answers   Quaid-e-Azam International Hospital,

What are the Noms/8hr for Concrete Work for Mason,Carpenter,Steel Fixer

2 Answers  

why the compressive strength of concrete is calculated only after 28 days.why not after 25, 26,27 days..

7 Answers  

what is meant by expansion joints in concrete structures?

4 Answers   L&T,

Dear Engineers, Can you please advise me the material requirement to construct a room 4 M x 4 M hight 3.75 meter 1. No. of Standard Brick 2. Requirement of Cement Bags 3. And Concrete for Steel, Cement, sand, etc Thanks

0 Answers