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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... Plate Chord .... 196 Trapezoidal Truss Bridges , -details . 200 Double Cancelated Bridges , -details .. 205 Wrought Iron thrust members . 214 Double Chord , a suggestion .. 224 Post Truss . Rivet - work Bridges . Sway bracing ...
... Plate Chord .... 196 Trapezoidal Truss Bridges , -details . 200 Double Cancelated Bridges , -details .. 205 Wrought Iron thrust members . 214 Double Chord , a suggestion .. 224 Post Truss . Rivet - work Bridges . Sway bracing ...
Seite 173
... plates of arch castings ( from the top ) , should be about of the length of pieces , with an average thickness of from to of the width . The top plate , about the same thickness ( or a trifle less , to prevent a tendency in the piece to ...
... plates of arch castings ( from the top ) , should be about of the length of pieces , with an average thickness of from to of the width . The top plate , about the same thickness ( or a trifle less , to prevent a tendency in the piece to ...
Seite 174
... plates the diameter , and using the column under , for trusses supporting 12 feet or more width of flooring , and ... plates , and top plate not less than Bo as wide as the top plate of side portions . End cross - bars should have a top ...
... plates the diameter , and using the column under , for trusses supporting 12 feet or more width of flooring , and ... plates , and top plate not less than Bo as wide as the top plate of side portions . End cross - bars should have a top ...
Seite 175
... plate over the whole width of the piece . FIG . 29 . The endmost section , or foot piece of the arch , con- nects with the chord by means of horizontal holes in the feet to receive the ends of an oɔen end ink of the chord , which is ...
... plate over the whole width of the piece . FIG . 29 . The endmost section , or foot piece of the arch , con- nects with the chord by means of horizontal holes in the feet to receive the ends of an oɔen end ink of the chord , which is ...
Seite 184
... plate of iron about 3 " thick , 7 " wide , and about 2 ' long , bent in the form of a jews- harp bow . The loop , or ... plate . The other bolt may be 11 " or 1 " , and placed with its centre 13 " from end of beam , and from upper edge ...
... plate of iron about 3 " thick , 7 " wide , and about 2 ' long , bent in the form of a jews- harp bow . The loop , or ... plate . The other bolt may be 11 " or 1 " , and placed with its centre 13 " from end of beam , and from upper edge ...
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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