. Tentative revised boiler safety orders. Fig. 30 Illustration of Butt and Double Strap Joint with Straps of Equal Width. ITlG. 31 Illustration of Butt and Double Strap Joint of the Saw-Tooth Type 104 REPORT OF BOILER CODE COMMITTEE, Braced and Stated Surfaces 417 Tlie allowable loads based on the net cross-sectional areas ofstaybolts with V-threads, are computed from the following use of Whitworth threads with other pitches is permissible. The formula for the diameter of a staybolt at the bottom of aT-thread is: D— (P X ) = dwhere D = diameter of staj^bolt over
. Tentative revised boiler safety orders. Fig. 30 Illustration of Butt and Double Strap Joint with Straps of Equal Width. ITlG. 31 Illustration of Butt and Double Strap Joint of the Saw-Tooth Type 104 REPORT OF BOILER CODE COMMITTEE, Braced and Stated Surfaces 417 Tlie allowable loads based on the net cross-sectional areas ofstaybolts with V-threads, are computed from the following use of Whitworth threads with other pitches is permissible. The formula for the diameter of a staybolt at the bottom of aT-thread is: D— (P X ) = dwhere D = diameter of staj^bolt over the threads, = pitch of threads, in. d = diameter of staybolt at bottom of threads, = a constant When U. .S. threads are used, the formula becomes D~ (PX l.^3,2 X ) = d Tables 11 and 12 give the allowable loads on net cross-sectionalareas for staybolts with Y-threads, having 12 and 10 threads per inch. TABLE 11. ALLOWABLE LOADS ON STAYBOLTS WITH V-THREADS, 12 THREADS PER INCH Diameter at Net Cross- Allowable Load of Bottom of Sectional Area at 7500 Lb, Staybolts, In. Thread, (at Bottom of Stres
Size: 2194px × 1139px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectsteambo, bookyear1919
