Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 139
eed to illustrate the principles set forth above by means of an example,and for this purpose we shall select the following case: A furnace is 56 wide and 64long, and the crown-sheet is stayed by 20 well-distributed braces, each of which has anet sectional area of 1.25 sq. in. There are also 8 pairs… … Fig. 8.—Ceowx-Bah Weakened by a Vertical Hole. Beginning with the crown-bars, we find, from the foregoing rule for beams, thatthe total safe load that can be allowed to each individual bar is 17.300x1x49 56 =15.137 pounds. (The 49 is the square of the height of the crown-bar.) In some cases…
Locomotives · Steam-boiler explosions
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