Where members with large compression loads have an amplification factor greater than 1.4, AS 4100 requires a second-order elastic analysis to be used to determine the design bending moments. This limit states data sheet presents close approximations for the results of second-order analysis which can be used in design of members that are simply supported, cantilevered, built-in at one or both ends, or continuous over two spans, and loaded with either uniformly distributed load, central or end concentrated load, or end moments.
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