Question
Download Solution PDFIn the working stress method, the permissible stress in bond for plain bars in tension and for M20 grade concrete is:
This question was previously asked in
OSSC JE Civil Mains (Re-Exam) Official Paper: (Held On: 3rd Sept 2023)
Answer (Detailed Solution Below)
Option 4 : 0.80 MPa
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Download Solution PDFPermissible stress in Concrete in WSM is given by
| Grade of concrete | Permissible Stress in Compression (MPa) | Permissible stress in Bond (Average) for plain Bars in Tension (MPa) | |
| Bending (σcbc) | Direct (σcc) | ||
| M10 | 3 | 2.5 | - |
| M 15 | 5 | 4 | 0.6 |
| M 20 | 7 | 5 | 0.8 |
| M 25 | 8.5 | 6 | 0.9 |
| M 30 | 10 | 8 | 1 |
| M 35 | 11.5 | 9 | 1.1 |
| M 40 | 13 | 10 | 1.2 |
| M 45 | 13 | 10 | 1.2 |
| M 50 | 16 | 12 | 1.4 |
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