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

Which is beneficial for shuttering a Plywood os accrow plate & why ?

2 Answers  

How to calculate cut length in ring of circular column?

3 Answers  

How the reconcilation of the steel can be done?

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what is the criteria for placing reinforcement in footing and slabs e.g which span have to place first.

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WHICH KIND OF ADDITIONAL PILE DRIVEN TO INCREASE THE CAPACITY OF SUPPORTING LOADS ON VERTICAL PILES

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i am completed my b.tech EEE in 2009,,,iam trying the job 3+ for AUTO CAD (ELECTRICAL),, what is the market for autocad electrical in hyderabad... how to handle the intervws give some suggestions ?

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how many cement bags rquired for solid block construction for 100 sqft in 1:6 proportion?

2 Answers  

rate analysis of shuttering

2 Answers  

how many types of hydraulic coefficints and their values

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what is the difference between onw way slab & two way slab?

4 Answers