. Proceedings of the annual convention . nger to the top chord and gusset at the hip joint Ui and Us. Atbridge 10, Lurgan, N. D., the inside and outside of the joint Ui were bolted and the out-side only at joint Us, both joints being on the north truss. At bridge , Rogers, Minn.,the hip joint Ui on the east end of both north and south trusses, and joint Uji of thenorth truss were bolted. Both inside and outside of the hangers at the hip joints werebolted and the outside only at joint U:i. Rivets were removed by burning off the head with an acetylene torch and drivingout the shank with a pu
. Proceedings of the annual convention . nger to the top chord and gusset at the hip joint Ui and Us. Atbridge 10, Lurgan, N. D., the inside and outside of the joint Ui were bolted and the out-side only at joint Us, both joints being on the north truss. At bridge , Rogers, Minn.,the hip joint Ui on the east end of both north and south trusses, and joint Uji of thenorth truss were bolted. Both inside and outside of the hangers at the hip joints werebolted and the outside only at joint U:i. Rivets were removed by burning off the head with an acetylene torch and drivingout the shank with a punch. To insure that there would be no slippage in the joint andthat the joint would remain rigid only three or four rivets were removed a time. The Iron and Steel Structures 931 lo CO q: UJ 1 00 _lO m 1- I1- ZUJ _l CM !2 UJ I V) i o UJ z UJ occ < I■e- a inlw UJ to -©• o (T UJUJ-I O opj col 1_ T- ^ • O • ^ iT O 5CO t- 1^ z 2 liJ O o UJ -I- z - UJ Q. Q t Qj to a: UJ — UJ _l X o (j </) I Mill I I I I I I I I. t-
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