. Design of a university armory . // c Wtper ft~ Max stress - 43,500# Total length between purlins lS1-^ Use 6*xZ/Q* web area 2,25 Sq. in. Try 2 angles 4x3*x5/l6 • Total 5732 ? Allowable stress 220 16000 - 70s equ. 8000# Required area Ml™?, equ. sq. in. OUUU Iff. equ. —equ. 116$ Carry same section through remaining members of lowerchord. WEB MEMBERS. (241 Member 8-9. Member 8-11

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