Question
Download Solution PDFWhich of the following sections is the most efficient for a simply supported gantry girder?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Gantry girder
- The gantry girders are girders that hold the loads that are carried through the moving wheels of the crane.
- The gantry girders are designed as laterally unsupported beams unless the compression flange is laterally supported by either a catwalk or an additional member.
- The most efficient section for simply supported gantry girder is I- the section with a channel attached to the top flange.
- The channel section at the top of the I-section increases the lateral resistance against a horizontal surge from electrically operated overhead cranes as well as increases torsional rigidity.
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