Mechanical and marine engineering science ... Specially written as a handbook to the Board of Trade examinations for extra-first-class engineers (1909)
Somerscales, A. N · Glasgow : J. Munro; London, Simpkin, Marshall, Hamilton, Kent · leaf 359
20 _ 25 BD2 S2000 BD10 X 10 ^D20 _ 9 BD2 S2000 BD10 X S x10 ±D =20 BD^S2000 Sth „ Adding these moments together gives us the moment of resistance of the upper half of the beam, its amount is 165 BD2 S 2000 and as the lower half has an equal effect in resisting bending. . -r ^ , <- 330 BD2 S BD2… … Fig- 134. 2nd proof—using the calculus. Having established the-principle that the neutral axis is in the centre of the depth, andthat the stress increases as the distance from the neutral axis, both-in tension and compression, we proceed as follows:—See figure 134 Take an indefinitely thin layer of…
Naval architecture
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