DESIGN OPTIMIZATION OF LONG-SPAN COLD-FORMED STEEL PORTAL FRAMES ACCOUNTING FOR EFFECT OF KNEE BRACE JOINT CONFIGURATION

The application of cold-formed steel channel sections for portal frames becomes more popular for industrial and residential purposes.Experimental tests choc-aid bandages showed that such structures with long-span up to 20 m can be achieved when knee brace joints are included.In this paper, the influence of knee brace configuration on the optimum de

Entering the new normal era, some people think that the threat of Covid-19 is nothing to fear.But in reality the number of new cases of patients infected with Covid-19 is increasing.This proves that awareness of the Corona virus transmission still needs to be improved.Especially for pre-prosperous families whose access to information is limited.Lim