Laminated Posts Vs Solid Post

It is available in a wide variety of standard post sizes and is ideally suited for post frame construction as well as other framing architectural and commercial applications.
Laminated posts vs solid post. Bohnhoff has been breaking columns in the name of science since the 1980s. Compared to a standard 6x6 post they seem to have some advantages. Price low to high. The moment resisting ability of a wood member is calculated from fb x cd duration of load 1 6 for wind x cm 0 85 wet service factor for dimensional lumber x cr repetitive member factor for 3 members joined together x sm.
Glulam provides us with a longer and larger piece of building material that is composed of smaller pieces of lumber. The client was concerned as three ply glulams were provided for his pole building kit package instead of the 4 6 and 6 6 solid sawn columns which were on his plans. Price high to low. Post frame laminated columns.
Post frame laminated columns 11 sort by. This allows glulam to be made from younger trees from. Perma straight laminated columns are a laminated post manufactured from dimensional 2x lumber. Material and labor costs should also be a deciding factor.
In woeste s testing three ply 2 6 2 dense syp nail laminated posts were compared in strength to 6 6 2 syp solid sawn columns. Glued laminated timber also called glulam is a type of structural engineered wood product comprising a number of layers of dimensional lumber bonded together with durable moisture resistant structural adhesives. Title a z title z a brand name a z. For a comprehensive explanation of laminated columns the new edition of the nfba post frame building design manual contains a chapter by david r.
The nds has formulas to facilitate structural comparisons of mechanically laminated built up columns versus solid columns. After looking at these threads the use of laminated or built up posts really interests me. Solid sawn columns a hansen pole buildings client recently called his building designer rick. As compared to solid sawn lumber posts glulam is a stress rated engineered wood product composed of layers of bonded wood laminations running the length of the post.
As post frame has evolved it s only natural that methods to improve the strength of those legs would be part of its evolution. Bohnhoff ph d university of wisconsin madison.