What Is the meaning of M15 and M20

Answer Posted / loganathan

M15, M20, M30-M120 are the grades of CONCRETE. M stands for Mix. The numbers after M represents the STRENGTH OF THE CONCRERTE attained after 28 days of curing. say if it is M20, then the strength of that particular concrete will be 20N/mm2 (Newton per square millimetre)......

Is This Answer Correct ?    19 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

whou haat goals do you have in your career

1704


How do you maintain water pressure?

652


residential projects,structural.

2407


What happens when water mixed with cowdung is used for priming instead of water for lifting water in pumps?

1812


How to calculate density of 40 mm coarse aggregate, in mixing ration 1:1.5:3? Please explain calculation for density

1546






what are RIB slabs explain about it

2180


whaat is blister in box girder bridge and what is its function..

4380


yasser arfatcompleted his degree in civil from which university

1797


if mineral admixture add into concrete then what is the differences between full cement concrete & fly ash added concrete of their SP. Gr.?and for the changes of SP. Gr. what is the changes in concrete

1614


What is rate for brick masonry work of 1.0 m3 in cm 1:6?

738


What is the life of anaerobic Digester if it is used for municipal solid waste digetion.

1809


What are the disadvantages while using stone dust as filler in pavements?

1961


WHAT WII BE THE WATER ABSORPTION POWER OF WOOD ?

1783


design the irrigation canal(b,B,h )head is 3tms of water is supplied to the 200hectars of area and the base period crop is 150days dance to water travels as 35km.the canal section is trapezoidal and also calculate the slop the canal

1795


What is the ideal size of the living room ranges from small to large size?

658