Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 408
Fig. 2S.5.before; and if I is the moment of inertia of the beam, the bendingstress in ae = -—, in which ij = \ Depth of the beam; the bending Mmay be taken as ^ P X ah. The beam must be proportioned so that 312 … 00. 302 STE1<:I> (OXSTRUCTI()X tlie c()iiil)ine(l l)en(lin<]j and direct stress shall not exceed tlie safe fiberstress for the timber. Owing to the fact that the actual distribution of stress in trussedstringers is uncertain, and the methods of determining these stressesonly approximate, a…
Architecture · Building · Carpentry
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