Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co. · leaf 245
ction modulus of a cross section of a beam is obtainedby dividing the moment of inertia of that section by the distanceof the outermost fibre to the neutral axis. This distance is markeda in fig. 3. The neutral axis is a line coinciding with an imaginaryplane called the neutral surface which is… … Fig. 3. I9I9] THE LOCOMOTIVE. 233 Taking the sum of the areas .^j, A^ and .^:, each multiplied by therespective distances of their centers to the bottom line and dividethis by the total area. The result is distance b. We therefore have: 1= H X /H X 4h + i X H X y + J X H X H I2 X /U +-^ X ^2 +.? X…
Locomotives · Steam-boiler explosions
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