Overview and extension of Annexes D, E, F, regarding structural failure citeria, stability and nailed particle board to wood joints

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Abstract

The developed exact theory is given in the appended publications denoted by D, thus: D(1991), D(2008a), D(2008b), D(2010), D(2011), D(2012a) D(2012b) and primary, by the partly expired D(2006a), D(2006b). Other relevant derivations and applications are mentioned in these publications. The theory in all appended publications was derived by T.A.C.M. van der Put as theory of perfect plasticity. Because a complete loading history analysis, with gradual increasing plasticity, until collapse is too extended and not necessary for ultimate state estimation, the relatively simple limit analysis method can always be applied instead. Then, no matter how complex the geometry of a problem, or loading condition, is, it is always possible to obtain a realistic value of the collapse load. This basic theory is discussed in the next section: D-1.