illbe to throw the top part of the beam immediately over thepier into a state of tension, and that tension cannot be pro-duced without a corresponding decrease of deflection in thebeam, and a tendency to raise the middle part of the beam ofthe adjoining span in the ratio of that force. These… … 254 ADAPTATION OF MALLEABLE-IRON BEAMS OR GIRDERS lead to results unfavourable to the strength and security ofthese important structures. As already stated, I have purposely omitted, in my calcula-tions, taking into account those elements of strength whichpeculiarly belong to the continuous beam; I…
Building, Iron and steel
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