An Elementary and Practical Treatise on Bridge Building: An Enl. and Improved Edition of the Author's Original WorkD. Van Nostrand, 1899 - 352 Seiten |
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Ergebnisse 1-5 von 58
Seite 4
... a simple beam affords the most convenient and most economical means , until these points exceed a certain distance asunder , which distance will vary with circumstances ; but in bridge building , will seldom be less than 4 BRIDGE BUILDING .
... a simple beam affords the most convenient and most economical means , until these points exceed a certain distance asunder , which distance will vary with circumstances ; but in bridge building , will seldom be less than 4 BRIDGE BUILDING .
Seite 6
... means of secondary interest . The sustaining of weight by oblique forces , gives rise to horizontal forces , for which it is necessary to provide counteraction and support , as well as for the weight of the structure and its load . FIG ...
... means of secondary interest . The sustaining of weight by oblique forces , gives rise to horizontal forces , for which it is necessary to provide counteraction and support , as well as for the weight of the structure and its load . FIG ...
Seite 8
... means for withstanding the horizontal action of obliques , within the superstructure itself ; and this principle will be ad- hered to in the discussions following . The preceding remarks and illustrations as to the ac- . tion of braces ...
... means for withstanding the horizontal action of obliques , within the superstructure itself ; and this principle will be ad- hered to in the discussions following . The preceding remarks and illustrations as to the ac- . tion of braces ...
Seite 15
... means outside of the oblique and the weight sustained by it ; which means are usually to be sup- plied by other members of the structure [ VIII ] . ( 4 ) . The direct force exerted by an oblique member ( in the direction of its length ) ...
... means outside of the oblique and the weight sustained by it ; which means are usually to be sup- plied by other members of the structure [ VIII ] . ( 4 ) . The direct force exerted by an oblique member ( in the direction of its length ) ...
Seite 49
... upper figure 3 over d , indicates that 3w " is the bearing at i , produced by the weight ( w ) at d , and so of the other figures in the upper line . In the mean time , the figures in the lower 7 TRAPEZOIPAL TRUSS . 49.
... upper figure 3 over d , indicates that 3w " is the bearing at i , produced by the weight ( w ) at d , and so of the other figures in the upper line . In the mean time , the figures in the lower 7 TRAPEZOIPAL TRUSS . 49.
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Häufige Begriffe und Wortgruppen
abutment act by tension acting by thrust amount of action arch truss assumed beam bearing bolts cast iron centre cloth compression connecting block construction counter braces cross-section curve deflection depth of truss diagram diameter draw bridges Electric Engineers equal feet flanges force full load gives gonals greater half Hence horizontal action horizontal reach horizontal thrust Illustrated inclination joists king braces latter length less liable lifting force lower chord maximum stress maximum weight morocco movable load multiplied negative resistance nodes number of panels oblique members panel truss pieces portion posts pressure produced Prof proportion rail road represented respectively rivets Second edition side single track rail span splice plates square inch strain strength of materials tension material thickness tical timber tion trapezoidal Truss Bridge truss Fig upper chord uprights vertical reach weight of structure weight sustained whence width wrought iron