Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 465
her by turning up the plate into a verticalflange, or by a stiffening-ring, as was described in manhole-seatings (par. 221). Fig. 363 illustrates these methods. This objection to the weakening of the shell by the holefor the dome has induced designers to seek to secure thefunctions of the dome… … Fig. 364. aggregate several times greater than the area of the pipe.The objection to this is that the tendency to straighten is notremoved, because the pressure in the dome balances thepressure below the perforated surface, and there is no ten-dency to keep the cylindrical shape. The plate acts…
Mechanical engineering · Steam power plants
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