Portal-type metal structure for laying rashel mesh made with tubular profiles in a cross arrangement; the details of the joints of the tubular profiles are also attached; as well as the description of the type of profile type of welding applied; profiles a36; structural analysis of porticoed structure; cype software; static load analysis; wind load and usage load; applied standard ansi / aisc 360-10. chapter k - k2. hss to hss truss connections. reference and sombology ansi / aws a2.4-98 standard symbols for welding; brazing; and nondestructive. a) in butt welds; the minimum bevel angle is 45 degrees. autocad.