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Posted: Wed Oct 15, 2003 5:24 am Post subject: Querries
A few questions -
1. The definitions of INTERNAL ELEMENTS and OUTSIDE ELEMENTS defined in Clause 3.7.2 are not very clear. Can these to explained further using figures / diagrams.
2. Refer to Note:5 of Table 3.1. If r1 is the ratio of actual average axial compressive stress to design compressive stress of web alone and r2 is the ratio of actual average axial compressive stress to design compressive stress of overall section, then under what circumstances can the values of r1 and r2 be negative as indicated in Table 3.1 for web of I-H or box section? Please clarify.
3. For a section consisting of 2 Is' or 2 channels placed at certain distance centre to centre or back to back, what is the criteria to determine whether the compound section is plastic or compact or semi-compact or slender so that its capacity in bending in either directions can be estimated. This will be required specifically for columns of above sections subjected to compression and simultaneous bi-axial bending.
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