Question
Download Solution PDFWhat is the effective length of a prismatic compression steel member of unsupported length L restrained against rotation and translation at one end and free against translation but restrained for rotation at the other end?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
As per IS 800 : 2007, Clause 7.2.2 and Table-11
Effective length of prismatic compression member
| Boundary Condition | Schematic Representation | Effective Length | |||
| At one end | At other end | ||||
| Translation | Rotation | Translation | Rotation | ||
| Restrained | Restrained | Free | Free | 2.0L | |
| Free | Restrained | Free | Restrained | 2.0L | |
| Restrained | Free | Restrained | Free | 1.0L | |
| Restrained | Restrained | Free | Restrained | 1.2L | |
| Restrained | Restrained | Restrained | Free | 0.8L | |
| Restrained | Restrained | Restrained | Restrained | 0.65L | |
Hence option (2) is correct.
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