Answer / civilkamal

as per IS 456 Table 5
For plain cement concrete between 0.4 to 0.6
for Reinforced concrete between 0.4 to 0.55
this will suite only where the maximum aggregate is 20mm

Answer / ram

first checking of weather condition of the concrete mixing
plant,& moister contant checking of Fine & Coarse
agrregate then after calculate water cement ratio and then
it will decide before design a mix.it is clearly define @
IS 456

Answer / sahilshah.civil@gmail.com

Water cement ratio is fixed at the time of design mix of concrete.

It's Depend on following condition.
a) Environmental
b) Type of structures
c) Method of casting
d) Admixture
e) Material

Answer / gk reddy

It will not decide at site it will decide
before design a mix.

Answer / kannan t

Water cement ratio will be defined by the workability of concrete. i.e by slump test.

Answer / uma

0.6

WHAT TYPE OF MATERIALS (CHEMICALS) ADDED IN CONCRETE TO INCREASE THE STRENGTH OF CONCRETE?

2 Answers  

cud any one send me tech quest paper(civil engg) at tarizus@yahoo.com

0 Answers  

What is called dummy column, & what its uses ?

6 Answers   IGCAR,

How can you distinguish between sorption, absorption and adsorption?

0 Answers  

What tor stands for in tor steel?

0 Answers  

How to calculate quantity of plum masonry in 1:3:7

0 Answers  

Please tell me 1 Sqm Steel 14mm center to center .200,.200

2 Answers   Al Shalawi,

As per thumb rule cement required per 1 cum of M20 concrete is 411Kg/cum(1.57/5.5=0.285cum of cement i.e 0.285*1440=411Kg).But as per PWD rate analysis cement required is 347Kg/cum.the difference is 64Kg.This kind of difference is coming every grade of concrete.Can you give perfect suggestion regarding this.

2 Answers  

what is CBR Test

10 Answers   HPCL,

how much quantity of bending wire required for 1sqmts

6 Answers   BUP, Jade Software,

what is the meaning of m35 grade concrete ?

2 Answers   Aparna Constructions,

How much cement and water required for cement selery????

0 Answers   Engineering,