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I need to temporarily support bridg

I need to temporarily support bridg

I need to temporarily support bridg

(OP)
I need to temporarily support bridge beams at abutment. Length from footing varies from 3'+- to 8'+-, want to use segmental HS12x12x3/8 with a single 1x18x18 plate between segments. No more than 4 segments per column. Neoprene will be used top and bottom for rotation at longer columns and shear at shorter columns. The thermal movement is .43" the load is 150k+-. I'm thinking friction coef. of 0.4 Is there any reason to weld the segments?
thanks
bridgetrool

RE: I need to temporarily support bridg

A picture of what you are proposing would help. Better yet, get a structural engineer to design it.

RE: I need to temporarily support bridg

(OP)
Thanks hokie66 for reply. It is designed, we can find no forces to weld for. The support is for 3 to 4 weeks. Looking for any input (reason to weld)
thanks
bridgetrool

RE: I need to temporarily support bridg

Will the bridge remain in operation?? If so, I might weld it just so I could sleep at night. What about seismic??

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