Answer / sk.sohel

M25 means that 25N/mm2 compressive strength in a 150mm cube
after 28 days of curing.

Answer / jatin chauhan

M25 means that characteristic compressive strength in 15cm
x 15cm x 15cm - cube casting and after 28 days curing
25N/sqmm strength found

Answer / k.renganathan

M refers Mix and 25 refers the characteristic compressive strength of concrete cube of 150mm X150mm X150mm tested at the end of 28 days should be minimum 25 N/Sq.mm.

what is th consuption of cement , sand in plastering for 15mm thick cm1:4,1:3

1 Answers  

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C40/50 of concrete strength is saying that 40Mpa(by using cylinder specimen) and 50Map (by using cubic specimen), but this concrete strength is Characteristic concrete strength or target mean concrete strength?

1 Answers  

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1 Answers   NSL,

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3 Answers   Coromandel,

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2 Answers  

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0 Answers   Jain Group,

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What is cement-concrete ratio ?

4 Answers  

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What should be the PH value of water for irrigation purpose

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Can a wave happen in the middle of the ocean like in the movie poseidon 2006?

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