Target strength = fck +(1.65*4) What is

Target strength = fck +(1.65*4)
What is this 4

Question Posted / k.k.nagesh

4 Answers
12680 Views
Gammon, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Target strength = fck +(1.65*4) What is this 4..

Answer / tushar

standard deviation

Is This Answer Correct ?

13 Yes

1 No

Target strength = fck +(1.65*4) What is this 4..

Answer / s r s

Fck- Characterstics Strength of Concrete
4- Standard Deviation for M20 and M25 Grade of Concrete according to IS 456:2000 Page:23

Is This Answer Correct ?

11 Yes

0 No

Target strength = fck +(1.65*4) What is this 4..

Answer / sjtbehera

ok fck is the 28 days compressive strength
s is the standard deviation
t is a static value

valu of s is M10 to M20=3.5
M20 to M35=4
M40 to M50=5.o

Is This Answer Correct ?

3 Yes

1 No

Target strength = fck +(1.65*4) What is this 4..

Answer / ranjan

standard deviation only for M-20 & M-25

Is This Answer Correct ?

2 Yes

3 No

Post New Answer

More Civil Engineering Interview Questions

find the discharge of water through a horizental venturimeter having 400mm dia at the inlet main and 150mm dia at thorat.if the diffrential gauge between inlet and thorat shows a pressure head of 25cm mercury. assume coefficient discharge 0.98 and specfic gravity of mercury as 13.6.

0 Answers UPSC,

It needs contour survey before plastering a wall / column & floor tiles setting to get––

1 Answers

how the sand fail?

5 Answers

which is code is used for design of steel structure

3 Answers Simplex,

what mean By core Billing

0 Answers

what are the Cement Coefficient for Block Work & plastering Work?

1 Answers

what is the ratio of concrete to steel? what's its value??