Steel ships, their construction and maintenance : a manual for shipbuilders, ship superintendents, students, and marine engineers (1901)
Walton, Thomas · London : Charles Griffin & Co. ; Philadelphia : Lippincott · leaf 280
d semi-boxbeams are fitted. Fig. 117 will show more clearly how this strong beam iscomposed. Semi-box beams are principally intended to act as stifieuing to thebulkheads. We shall again refer to these bulkhead stiflfeners when dealingwith bulkheads. Suffice it for the present to say that the bulb… … <^ L One frame space A Fig. 116.—Strong Beam with Turned Knee. Fig. 117.—Semi-box Beam. These are specially necessary when we remember that a large number of theordinary beams are stopped in the way of the engine opening—these strongbeams in some measure compensating for the loss of transverse…
Naval architecture · Ships, Iron and steel
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