Answer / deepak

m20 grade is 1;1.5;3
m30 & m40 grade is mix degisn

Answer / ranjithkumar t

M5 - 1:5:10
M7:5 - 1:4:8
M10 - 1:3:6
M15 - 1:2:4
M20 - 1:1.5:3
M25 - 1:1:2
M30 - only design mix
M40 - only design mix

Answer / pramod kumar singh

M20-1:1.5:3
M30-DESIGN MIX
M40-DESIGN MIX

Answer / prabhu

m20 1:1.5:3

m30 1:1:2

m40 design mix

Answer / murali

M 20 1:2:4
M 25 1:1.5:3
m 30& M 40 DESIGN MIX

Answer / muruganantham

mix desing only

Answer / gaurav sharma

1:1.5:3
1:1.5:3
1:1:2

Answer / rvsmani

M 35 ---1:1.6:2.907

Answer / naveed

1:2:4
1:1.5:3
1:1:2

Answer / pk

124

If a slab concrete is placed with M-20 grade concrete, actually it has to be placed with M-30. what are the rectifications / measures to be taken after concreting is done.

0 Answers   BARC,

what is tacheometry?

3 Answers   NBCC,

though u r a civil engineer, y r u interested in tcs???

0 Answers   TCS, URC Construction,

time and work questions

0 Answers  

structural engineering based

4 Answers   HPCL, L&T,

What is an inverted beam??

7 Answers  

pls give the grads of concrete and the ratios to the same

2 Answers  

what is moment-curvature relationship in semi rigid connections??

0 Answers   ABC Infra, L&T,

What are the functions of grout inside tendon ducts?

3 Answers  

How to calculate the crank length of the rod in beam? Please give me a details.

3 Answers   Agarwal Associates,

what will be hook length of stirrups

7 Answers   Rawabi Fayfa,

1) what do you mean by rolling margin of steel ? 2)pls. tell the cut length formula of stirrups as per IS codes(take out cut length for a beam of 600*300mm with 40mm cover all sides)? 3)what is the multiplying factor of painting for sand faced plaster? 4)if your footing is of size1.9*1.6m . what quantity of length and width you will excavate means what extra margins you will allow as per IS codes in billing?

1 Answers