steess of the lateral struts and floorbeams to all four angles. A common method of packing the intermediate post at aJoint of the bottom chord is shown in Fig.15. The intermediatepost in this case is built of laced channels. It will be noticedthat the members are packed as near the end as possible… … mm: ammm? Pig.15. Fig.16. chord of the sane bridge Is packed. The Intermediate post In thiscase is packed nearest to the center of the pin. This arrangementtends to neutralize the bending moment on the pin; since the verti-cal component of the tensile stress in the diagonals counteractsthe…
