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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... determined by calculation .... 119 Action of the web in webbed Arches . 125 Effects of heat upon Arches without Chords . 126 Bridge Materials , Wood and Iron compared .. 132 IRON BRIDGES . Strength of Iron ... 142 Experiments on Cast ...
... determined by calculation .... 119 Action of the web in webbed Arches . 125 Effects of heat upon Arches without Chords . 126 Bridge Materials , Wood and Iron compared .. 132 IRON BRIDGES . Strength of Iron ... 142 Experiments on Cast ...
Seite 27
... determined ; while al and gf , both receiving action from weight on any part of the truss , obviously sustain their maximum weight , equal to 2w , under the full load of the truss . The section ab , of the lower chord , suffers FIVE ...
... determined ; while al and gf , both receiving action from weight on any part of the truss , obviously sustain their maximum weight , equal to 2w , under the full load of the truss . The section ab , of the lower chord , suffers FIVE ...
Seite 33
... determine the maximum stresses of the several diagonals respec- tively , we may begin by removing the weight at g ; ( see Fig . 11A ) , and , to facilitate the process , let w " represent w divided by the number of panels in the truss ...
... determine the maximum stresses of the several diagonals respec- tively , we may begin by removing the weight at g ; ( see Fig . 11A ) , and , to facilitate the process , let w " represent w divided by the number of panels in the truss ...
Seite 38
... determine the greatest stress to which dl is liable , let the weights at e , ƒ and g be removed . f Then the pressure at i , due to the weights at b , c and d , equals 6w " , that is , 1w " for weight at b , 2w " for that at c , and 3 ...
... determine the greatest stress to which dl is liable , let the weights at e , ƒ and g be removed . f Then the pressure at i , due to the weights at b , c and d , equals 6w " , that is , 1w " for weight at b , 2w " for that at c , and 3 ...
Seite 42
... determined the maximum weighta sustained by the several diagonals and verticals , we proceed to ascertain their respective stresses , and re- quired amounts of material ; as depending upon the length of each member , multiplied by its ...
... determined the maximum weighta sustained by the several diagonals and verticals , we proceed to ascertain their respective stresses , and re- quired amounts of material ; as depending upon the length of each member , multiplied by its ...
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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