Civil Engineering - RCC Structures Design - Discussion

Discussion Forum : RCC Structures Design - Section 1 (Q.No. 14)
14.
If the average bending stress is 6 kg/cm2 for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is
28 d
38 d
48 d
58 d
95 d
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
34 comments Page 2 of 4.

Prabhu said:   9 years ago
Please give the correct answer with explanation.

AdaRsh said:   9 years ago
For
M15 58d
M20 47d
M25 40d
M30 38d In tension.

Suresh said:   9 years ago
@Adarsh.

How this comes? Is it in code?

Neel Patel said:   8 years ago
@Suresh

Ofcourse, from the IS code.

Kavita meena said:   8 years ago
The Grade of concrete is M15 not M150.

RAMARAJU CHALAPAKA said:   8 years ago
Here, re bars means REINFORCEMENT BARS.

Sachivendra Chauhan said:   8 years ago
Not for M150, grade 15, but this is nominal mix design not for mix design.

Vishal said:   8 years ago
It's actually development length Ld that is asked here, calculate by formula Ld= (0.87*Fy* D)/4* Tbd.

On solving this you get 087*415*D/4*1.2*1.6= 47D. This is for M20 grade.

Roy said:   8 years ago
D*130/4*0.6= 58d.
13oN/mm2=stress of mild steel,
And0.6=bond stress of M15 in wsm.

Lakhan bhavnani said:   8 years ago
Please explain this question. How it is 58d?


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