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1

I don't like it when someone attacks a question, asked for education. Hopefully you will not take this as a thoughtless attack. I can provide you with the answer that comes is the result of college statics and dynamics classes. What I can not do is provide you with an answer that carries the weight that would be provided by the stamp of a public engineer ...


1

You state that the homemade laminated beam is pulling the "under-beams" down with it. Are you sure it's not the other way round? Disconnect the lam beam from the under beams and see if their deflection goes away. Either way, a beam of sufficient strength to support itself and the load of the "under-beams" will solve the problem. How bout a steel I-beam which ...


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I am not a structural engineer or anything like that. But if you can temporarily remove all load from the highest beam (the home-made one), jack it up so it is straight or bowed very slightly upward, and install a steel strap all along the bottom edge of it, I believe it will remain totally rigid, and provide good support for the other beams which hang from ...


3

If I'm reading this right(and looking at the final picture), the beam itself is sagging. It may have reached an equilibrium point, and simply jacking up an reattaching it will fix it. But you'll still have a bowed beam. My inclination is, a properly built beam should be able to span that distance and hold the weight without sagging. I have smaller, longer ...


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I personally find screws in decks a nasty look, I much prefer a round headed nail for the job. Also screws will create a crater for water to stay in, a round headed nail won't. The only time I find screws are better is for an easier repair and its easier to correct a mistake during construction. I also don't like using nail guns for joist work - they are not ...


1

The answer is #2 If you eliminate the outside vertical and the bottom horizontal... Which of those designs would still stand on their own? :)



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