Steam Boilers: A Practical Treatise on Boiler Construction and Examination |
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Page 21
... Constant Constant 2 ) X 100 X 23 4.25 Pitch X 74 per cent . rivet section . Constant .5625 X 28 Thickness of shell The conditions upon which this latter percentage of rivet section is used , when calculating the working pressure of a ...
... Constant Constant 2 ) X 100 X 23 4.25 Pitch X 74 per cent . rivet section . Constant .5625 X 28 Thickness of shell The conditions upon which this latter percentage of rivet section is used , when calculating the working pressure of a ...
Page 22
... Constant . = 75 = Rivet area . .9375 ) Х 100 3.75 Pitch of rivets . RIVET SECTION . = Percentage of plate section between holes as compared to solid plate . Rivets in Rivet area .6903 X one pitch . Constant X 100 X 1.75 89 = 3.75 X ...
... Constant . = 75 = Rivet area . .9375 ) Х 100 3.75 Pitch of rivets . RIVET SECTION . = Percentage of plate section between holes as compared to solid plate . Rivets in Rivet area .6903 X one pitch . Constant X 100 X 1.75 89 = 3.75 X ...
Page 23
... Constant for for single shear . 94 X steel . 23 28 : 77 = Percentage of rivet section allowing for the double shear . Constant for double shear . As before shown the figures might , for convenience , have been stated thus : Rivet area ...
... Constant for for single shear . 94 X steel . 23 28 : 77 = Percentage of rivet section allowing for the double shear . Constant for double shear . As before shown the figures might , for convenience , have been stated thus : Rivet area ...
Page 24
... Constant . Constant . X 100 X 23 X 28 pitch plate thickness constant = 63 = percentage . Example 7. Steel Plates . Steel Rivets . Longitudinal seam lapped and double rivetted . Thickness of plate ... Rivet diameter . Pitch .... 31 ...
... Constant . Constant . X 100 X 23 X 28 pitch plate thickness constant = 63 = percentage . Example 7. Steel Plates . Steel Rivets . Longitudinal seam lapped and double rivetted . Thickness of plate ... Rivet diameter . Pitch .... 31 ...
Page 25
... Constant for Rivet area . .7854 Х pitch . 3 X Constant steel . 100 X 23 X 1.75 * 96 per cent . 4 X .875 X 28 pitch plate thickness . constant for steel . We may now add some further examples , and place the whole in the form of a table ...
... Constant for Rivet area . .7854 Х pitch . 3 X Constant steel . 100 X 23 X 1.75 * 96 per cent . 4 X .875 X 28 pitch plate thickness . constant for steel . We may now add some further examples , and place the whole in the form of a table ...
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Common terms and phrases
annealed area of stay Board of Trade boiler shell bolts calculation cent centre circumferential seams cock combustion box combustion chambers compressive stress constant construction corrugated diam double butt straps double rivetted doubling plate drilled engine evaporation Example factor of safety feet fire-box follows formula furnace girder gusset heat or flame HENRY CAREY impact of heat inch of stay inch thick inches diameter inspectors iron Lap Joint length less longitudinal seams marine boilers multiplied percentage plate section Plate thickness pounds Practical pressure allowable Punched Rivet diameter rivet holes rivet section riveted and fitted rivetted joints rules safety-valves shell plate side flues silky single butt straps single riveted solid plate square inch stay tubes stay-tube stays screwed steam pipe steam space steamers Strength of material stress per square superheater Surveyor tensile strength tensile stress thickness of material Thickness of plate thread tons tube plate uptake valves wide pitch width
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