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 43
... diagonals , an amount of material equal to ( 7.1422 + 5.626v ) m . The aggregate length of verticals , equals 43v , and their greatest tension stress equals w . Hence , 4.666v , м represents the amount of tension material they re- quire ...
... diagonals , an amount of material equal to ( 7.1422 + 5.626v ) m . The aggregate length of verticals , equals 43v , and their greatest tension stress equals w . Hence , 4.666v , м represents the amount of tension material they re- quire ...
Seite 44
... diagonals . When the acting diagonals all incline one way , their united horizontal action only equals the difference between the horizon- tal thrust of the two end sections of the arch , and the action of chord and arch can no where be ...
... diagonals . When the acting diagonals all incline one way , their united horizontal action only equals the difference between the horizon- tal thrust of the two end sections of the arch , and the action of chord and arch can no where be ...
Seite 45
... diagonals inclining toward the respective ends . - Now , as no more than two diagonals inclining ward the end bearing the greatest weight , can be in action at the same time , in a seven panel truss , the question re- solves itself into ...
... diagonals inclining toward the respective ends . - Now , as no more than two diagonals inclining ward the end bearing the greatest weight , can be in action at the same time , in a seven panel truss , the question re- solves itself into ...
Seite 46
... diagonal or oblique members , and D , the length of diagonals . Also , let w represent the greatest movable load for at panel length , supposed to be concentrated at the nodes b , c , d etc. , of the lower chord ; and , let w " be equal ...
... diagonal or oblique members , and D , the length of diagonals . Also , let w represent the greatest movable load for at panel length , supposed to be concentrated at the nodes b , c , d etc. , of the lower chord ; and , let w " be equal ...
Seite 47
... diagonal parallel with bn on the right , by tension , and upon each compression upright and the king brace j , by ... diagonals inclining to the right , on the right hand of c . Also , a pressure of 5w " at a . But co being the only ...
... diagonal parallel with bn on the right , by tension , and upon each compression upright and the king brace j , by ... diagonals inclining to the right , on the right hand of c . Also , a pressure of 5w " at a . But co being the only ...
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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