. Proceedings of the annual convention . 2-nUL PLS 12^ • I RECORDED STRESS RANGE GAGENO. POSITION OF BRIDGE | iOPEN iOPEN \ OPEN FULLOPEN 1 + 2,300 + 5,100 + 9,200 + 12,600 2 + + 3,200 + 5,800 + 3 + + + 7,000 + 9,900 4 + 1,200 + 2,700 + 5,700 + 8,600 5 + + 2,800 + 5,000 + 7,000 6 + 1,000 + + 3,600 + 4,600 7 + 1,100 + 2,500 + 4,000 + 5,400 8 + + 2,300 + 3,600 + 4,700 note: STRESSES SHOWN ARE ON GROSS SECTION IN PSI+ TENSION » 10 1^ C RY BRIDGE TESTS,tj6-0 THRU TRUSS BASCULE SHANOPEN TIMBER FLOOR COUNTERWEIGHT TRUSS MEMBER 21-24 RECORDED STRESS RANG


. Proceedings of the annual convention . 2-nUL PLS 12^ • I RECORDED STRESS RANGE GAGENO. POSITION OF BRIDGE | iOPEN iOPEN \ OPEN FULLOPEN 1 + 2,300 + 5,100 + 9,200 + 12,600 2 + + 3,200 + 5,800 + 3 + + + 7,000 + 9,900 4 + 1,200 + 2,700 + 5,700 + 8,600 5 + + 2,800 + 5,000 + 7,000 6 + 1,000 + + 3,600 + 4,600 7 + 1,100 + 2,500 + 4,000 + 5,400 8 + + 2,300 + 3,600 + 4,700 note: STRESSES SHOWN ARE ON GROSS SECTION IN PSI+ TENSION » 10 1^ C RY BRIDGE TESTS,tj6-0 THRU TRUSS BASCULE SHANOPEN TIMBER FLOOR COUNTERWEIGHT TRUSS MEMBER 21-24 RECORDED STRESS RANGE 168 Iron and Steel Structures 2 <M tlJ S o O m <^ tvj <: ^^, ir t < ii 3^ o o 00 <n UJ U \- >n^ 2 f u> »-> Z </) o UJ r T a. (X a < o c o O. o o. Results of Field Tests on Bascu le Bridges 169


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