Over my life time I have built a lot of tools, equipment, roads, small bridges on farm land to haul pulp wood and logs out of the woods and countless other projects with the help of only what I had on hand at the time. One of the old truss bridges I built 30 years ago is still being used and has stood up to parades of logging trucks all that time and they just finished logging another 800 ac's and brought it all out on that little makeshift bridge. I'm not saying I know everything, or anything at all all I am saying is if what I have been using in the other shop has worked all these years I cannot see why this would not accomplish the same since it is 10 times the steel of the other rail that has worked for so long.
Now, I said I could support the beam if needed in several places to the truss system of the building and have talked to the truss people about beefing them up just in case. The BEAM I am putting up IS basically a truss in itself designed by ME to carry it's own weight plus the weight of the chain hoist and hopefully at least 1000lbs which would be at the most remote possibility. 300 lbs max would be the weights that would be picked up and rolled from one end to the other and even then something that heavy could be supported by a shop cart as it is being moved.
I wont be able to put the upper supports on the beam until the roof truss is in place because these braces will have to be intertwined through and around the roof truss. My test criteria may seem a little caveman style to you but I figure if I can hoist the test load in center span with nothing but end supports and it swing for a day in the open without failing I should have no problems once the truss beam is fully completed and braced. Then, hopefully OSHA wont start inspecting farm buildings to see if they have engineer stamps on all the lifting devices in the hay barn.LOL
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Thread: I need to make a 20' I beam 40'
03-09-2011, 09:36 AM #10Member
- Join Date
- Oct 2009
- Richmond Va