Answer / suresh

water cement ratio means weight of water /weight of
cement.the allowable ratio is between 0.4 to 0.6.so we can
use 0.5 w/c for any type of cement.

Answer / elanthendral m.

Please refer IS 456-2000 table no.5 for minimum cement
content and Max water cement ratio as per exposure
conditions

Answer / vamsi krishna.ch

It depends upon the grade of concrete.

Answer / p.ashok kumar

please refer IS 456-2000 table no.5 for minimum cement
content and max water cement ratio as per exposure conditions

Answer / abhijeet

no,the prorportion depends on various factors

Answer / mayank jain

yes it is use in quick cement

Answer / sjtbehera

actually according to is standarad for diffrent type of
concrete we use diffrent W/C ratio. example M15 it is .4,
M20 to M25 it is .5 to .55 to get maximum result

bridge design

4 Answers   L&T, Secon,

how much lap we should provide in columns for Fe-500?

8 Answers  

Respected Sir, I am from a hilly place called Darjeeling ,I have constructed house of 9 column out of which 4 of the column is under water , i have put rcc slab on top and on top of the rcc slab i have construced two room house with bricks and light roof , now i am planning to change the light roof with rcc slab for the two room, my main concern is will the column under water will hold the load of the new rcc slab coz it already 10 to 12 yrs old , i dont know what to do , can u advice me regarding this matter, weather to leave the upper floor roof light or make it rcc slab.(If i put the slab , it will require 45bags of cement and u calculate how much of steel and sand and pebbles) thanks with regard Anand

2 Answers  

how to workable concrete cube test M-25 design mix

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which type of foundation is used for seismic prone area?

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01. a. Diagram of a slump cone…………… 1 b. Size of Slump Cone…………… 1 c. Volume of a slump cone by av. Dia method…………… 1 d. Volume of a slump cone by av. area method…………… 1 e. Volume of a slump cone by frustrum method …………… 1 f. Angles of slump cone …………… 1 g. Slump measured by slump cone due to…………… 1 h. Slump does not measured by cylinder / cube due to …………… 1 i) ii) i. Slump cone is to be filled in……………………..Layers.

0 Answers  

In which code the the maximum height of concrete casting has been explained

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