Civil Engineering - RCC Structures Design - Discussion

Discussion Forum : RCC Structures Design - Section 3 (Q.No. 1)
1.
If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is
37 cm
38 cm
39 cm
40 cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
25 comments Page 2 of 3.

Krishankant singh said:   6 years ago
38.23 is the correct answer.

Jahir said:   6 years ago
38.23 is correct.

AKHIL KUMAR said:   7 years ago
The correct answer is 38.22.

Duhan said:   7 years ago
Answer is 38.22cm.

Alka gautam said:   7 years ago
38.23 is the right answer. I too got the same.

K.K.Shah said:   7 years ago
x = (m.cb.d )/cb+st.
x = 18.

z = D- x/3.
z = 40.

Pranab said:   7 years ago
Yes, 38.23 is right.

Goutam Sinha said:   7 years ago
38.23 is right.

Aksp said:   8 years ago
Yes, 38.23 is right.

Hiren said:   8 years ago
d-n/3=46-18/3 = 46-6 =40.


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