The columns are made in a variety of dimensions, shapes and lengths. The surface of the concrete is smooth and the edges are beveled. Generally the columns requires a minimum cross section of 300 x 300 mm that ensure a good connection with the beams, an easy handling and a 120 minutes fire resistance making them suitable for a large range of construction. Columns section, brackets, bearing areas of beams is designed so as to result dry joints with the rest of the elements. Fabrication limit is 50 to – maximum capacity of the travelling cranes.
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