rded by an effort on the partof the different designers to give the portal an artistic effect.The general tendency at present is to use as few members as possi-ble in the construction of the portal bracing. While some of ihemore complicated forms may be better from an aesthetic point ofview,they… … Fig.38. Fig.39. 2*. This feature is desirable?since the stress transferred at the footof the Knee-brace causes considerable bending moment in the post. Inthis type of bracing the top strut and long diagonal are the onlymembers which carry stress. The other two members act merely asstiffeners. This…
