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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Seite 4
... distance asunder , which distance will vary with circumstances ; but in bridge building , will seldom be less than 4 BRIDGE BUILDING .
... distance asunder , which distance will vary with circumstances ; but in bridge building , will seldom be less than 4 BRIDGE BUILDING .
Seite 15
... distance from the body . ( 2 ) . That the pressure of a body at a point or points not directly below it , can only take place through one or more intermediate bodies , or members , capable of exerting ( by tension or thrust ) , one or ...
... distance from the body . ( 2 ) . That the pressure of a body at a point or points not directly below it , can only take place through one or more intermediate bodies , or members , capable of exerting ( by tension or thrust ) , one or ...
Seite 16
... or suspended at c and d , at equal horizontal distances from a a ' , and from one another ; which latter position they will be re- garded as occupying in this instance . Or , the 16 BRIDGE BUILDING . Three Panel Trusses.
... or suspended at c and d , at equal horizontal distances from a a ' , and from one another ; which latter position they will be re- garded as occupying in this instance . Or , the 16 BRIDGE BUILDING . Three Panel Trusses.
Seite 17
... distance from them respec- tively , and that the pressure upon the two abutments is equal to the weight producing it , it follows that ab , Fig . 6 , sustains 3w , and compression . Hence making ab = — D , ... be➡v , and ach , ... w ...
... distance from them respec- tively , and that the pressure upon the two abutments is equal to the weight producing it , it follows that ab , Fig . 6 , sustains 3w , and compression . Hence making ab = — D , ... be➡v , and ach , ... w ...
Seite 63
... distance be- tween chords is not altered by change in their length . But the diagonals being under stress , by which some are extended and others contracted , according to the stress they are under , as compared with their maximum ...
... distance be- tween chords is not altered by change in their length . But the diagonals being under stress , by which some are extended and others contracted , according to the stress they are under , as compared with their maximum ...
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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