Here is an autocad dwg file for details of Connection of pillar, beam , steel roof . Column and beam steel frame structures have a skeleton of steel connected by bolts or welds that act as the support for the rest of the building.
Roof plan elevation detail
Foundation section plan de
Wall Section Detail In DWG
Column, foundation and ele
Staircase design and secti
Detail of site section pla
Front , back and sectional
Details of a Glass Block
Tank plan and section deta
Slope of the pool large sa
Side view elevation of a b
Concrete Block design dra