HSS Column / Chord Splice
HSS Column / Chord Splice
(OP)
I'm currently working on a 160' tall lattice tower structure that is to be constructed of HSS shapes. The tower is similar to the towers used on a free-fall amusement park ride.
The dilemma I'm having at this point is my main column splice. Since it is a tower structure, the columns are seeing both high compression and tension loads. One of my design goals is to keep the outer faces of the structure clean, thus I cannot use an end plate connection. Welding is not an option either since erection speed is a priority, and I'm concerned about weld quality in the field. I've considered an interal splice plate and putting field installed bolts in shear, but am getting a large amount of bolts. This connection is a concern due to the possibility of excessive "play" in the connection.
I've seen some pictures of a similar structure in which a large steel block is attached to the two interior faces of the tube and high strength bolts connect the blocks in tension. My concern with this connection is the tension stress concentration on the two attached faces and any eccentricity this would placed on the tube. It's basically an asymmetric end plate connection.
At this point I'm hoping to get any ideas or suggestions...your help will be greatly appreciated!
The dilemma I'm having at this point is my main column splice. Since it is a tower structure, the columns are seeing both high compression and tension loads. One of my design goals is to keep the outer faces of the structure clean, thus I cannot use an end plate connection. Welding is not an option either since erection speed is a priority, and I'm concerned about weld quality in the field. I've considered an interal splice plate and putting field installed bolts in shear, but am getting a large amount of bolts. This connection is a concern due to the possibility of excessive "play" in the connection.
I've seen some pictures of a similar structure in which a large steel block is attached to the two interior faces of the tube and high strength bolts connect the blocks in tension. My concern with this connection is the tension stress concentration on the two attached faces and any eccentricity this would placed on the tube. It's basically an asymmetric end plate connection.
At this point I'm hoping to get any ideas or suggestions...your help will be greatly appreciated!





RE: HSS Column / Chord Splice
The system that I ahve seen used involves shop welding (and inspecting) special end pieces to the column. The end pieces are preped for connection. Yes, it takes a lot of bolts. Load distribution, torsional loads, saftey factor, all add up to a bunch of hardware.
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RE: HSS Column / Chord Splice
RE: HSS Column / Chord Splice
http://hom
Thanks
RE: HSS Column / Chord Splice
= = = = = = = = = = = = = = = = = = = =
Rust never sleeps
Neither should your protection
http://www.trent-tube.com/contact/Tech_Assist.cfm
RE: HSS Column / Chord Splice
RE: HSS Column / Chord Splice
Best regards - Al
RE: HSS Column / Chord Splice
Crane towers, I knew that I have seen these somewhere.
= = = = = = = = = = = = = = = = = = = =
Rust never sleeps
Neither should your protection
http://www.trent-tube.com/contact/Tech_Assist.cfm
RE: HSS Column / Chord Splice
RE: HSS Column / Chord Splice