The elements of the mechanics of materials and of power transmission (1911)
King, William Richard, 1852- · New York, J. Wiley & sons; [etc., etc.] · leaf 191
6. A roof truss, Fig. h, of 50 feet span, fixed at the ends and of 30°pitch, carries vertical loads of 1.5 tons at AB, BC, CD, DE and EF, andsustains a horizontal wind pressure of 33.5 pounds per square foot. Dis-tance between principals, 12 feet. Draw the reciprocal diagram andtabulate the… … Fig. h. 7. The roof truss of Fig. i has a span of 75 feet and a pitch of 30°.The rafters are divided into three equal parts and the horizontal tie intofive equal parts. The distance between principals is 16 feet. The deadvertical load is 6.5 tons, distributed as follows: At joints i and 7, 0.6 ton
Mechanics, Applied · Power transmission
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