Laying out for boiler makers and sheet metal workers; a practical treatise on the layout of boilers, stacks, tanks, pipes, elbows, and miscellaneous sheet metal work . -la**- DOUBLE AND TREBLE This, as will be seen, is out of all reason, or about 3^ timestoo great a pitch. Therefore, if we use a 2-inch pitch therivet area creeps up more than three times. The next pointis to find whether a 2-inch pitch leaves a sufficient net sectionof plate. 2 — 13/16 = I 3/16 inches net section of plate. I 3/16 X 7/16 = .5195 area of net section. -^ 2 = 94 spaces. 94 X -5195 == 48833 square inches, tota
Laying out for boiler makers and sheet metal workers; a practical treatise on the layout of boilers, stacks, tanks, pipes, elbows, and miscellaneous sheet metal work . -la**- DOUBLE AND TREBLE This, as will be seen, is out of all reason, or about 3^ timestoo great a pitch. Therefore, if we use a 2-inch pitch therivet area creeps up more than three times. The next pointis to find whether a 2-inch pitch leaves a sufficient net sectionof plate. 2 — 13/16 = I 3/16 inches net section of plate. I 3/16 X 7/16 = .5195 area of net section. -^ 2 = 94 spaces. 94 X -5195 == 48833 square inches, total area of net section. X 6o,oco = 2,929,980 pounds, total strength of net sec-tion of plate. X 94 = 2,047,038 pounds, total strength of find we have on the head 487,571 pounds and sufficient rivet RIVETED BUTT JOINTS. seams, the area to be supported being the same, the pitchshould be increased to about 2^ inches: -^ = 79-4 number of rivets. As a ^ rivet equals 15/16 when driven the correspondingarea will be .69029 square inch. 42000 X .69029 = pounds, shearing strength of onerivet. X 80 = 2,319, pound
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Keywords: ., bookcentury1900, bookdecade1900, bookidl, booksubjectsteamboilers
