. Tentative revised boiler safety orders. f rivets in single shear in a unit length of joint =3. Number of rivets in double shear in a unit length of joint = = 15 X55,000 = 412, = (15—) ,000 = 386,718C=8 X88,000 X +3 X44,000 = 577,000I) = (15—) ,000+1X44,,310i7 = (15—) ,000+3X44,,494F = (15—2 ) X55,000+ X95,000 = 399,902(? = (15—) ,000+,000 = 426,269£? =,000+,000 = 473,145/=,000+3X44,
. Tentative revised boiler safety orders. f rivets in single shear in a unit length of joint =3. Number of rivets in double shear in a unit length of joint = = 15 X55,000 = 412, = (15—) ,000 = 386,718C=8 X88,000 X +3 X44,000 = 577,000I) = (15—) ,000+1X44,,310i7 = (15—) ,000+3X44,,494F = (15—2 ) X55,000+ X95,000 = 399,902(? = (15—) ,000+,000 = 426,269£? =,000+,000 = 473,145/=,000+3X44, =447,369 386,718 jB)412,500 {A) = = efficiency of joint APPENDIX 103 416 Figs. 30 and 31 illustrate other joints that may be usedin which eccentric stresses are avoided. The butt and double strapjoint with straps of equal width shown in Fig, 30 may be so de-signed that it will have an efficiencj^ of from 82 to 84 per cent andthe saw-tooth joint shown in Fig. 31 so that it will have anefficiency of from 92 to 04 per Fig. 30 Illustration of Butt and Double Strap Joint with Straps of Equal Width
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsteambo, bookyear1919
