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 22
... diagonals , in the three quadrangular panels , to counteract such tendency ; and , as will appear further on , these members will require material equal to about one - third of the amount required in the chord , thus in- creasing the ...
... diagonals , in the three quadrangular panels , to counteract such tendency ; and , as will appear further on , these members will require material equal to about one - third of the amount required in the chord , thus in- creasing the ...
Seite 25
... diagonal alternately , till it reaches f ; acting in its course upon 4 verticals , and 4 obliques , with a weight upon ... diagonals , and thrust uprights at c and d , while l and eg are necessarily tension members in all cases , 4 FIVE ...
... diagonal alternately , till it reaches f ; acting in its course upon 4 verticals , and 4 obliques , with a weight upon ... diagonals , and thrust uprights at c and d , while l and eg are necessarily tension members in all cases , 4 FIVE ...
Seite 31
... diagonals , it is necessary that each section of the arch have the same horizontal thrust , since , if one section have a greater horizontal thrust than the one opposed to it at either end , the diagonals alone can sustain the surplus ...
... diagonals , it is necessary that each section of the arch have the same horizontal thrust , since , if one section have a greater horizontal thrust than the one opposed to it at either end , the diagonals alone can sustain the surplus ...
Seite 33
... DIAGONALS . XXVIII . As the diagonals do not act under a full load of the truss , the verticals must each sustain a ten- sion equal to w , when the weights are applied at the chord ; and , the diagonals acting by tension , serve , when ...
... DIAGONALS . XXVIII . As the diagonals do not act under a full load of the truss , the verticals must each sustain a ten- sion equal to w , when the weights are applied at the chord ; and , the diagonals acting by tension , serve , when ...
Seite 42
... diagonals gk , ek , bn and nd , sustain , each , a maximum weight of 5w " , [ XXXIV ] , with length + Hence , stress equals §✓h2 + } } * w , = h and , material for each , = ( 577+ 13§v ) . = 70 v 10 , The four remaining diagonals ...
... diagonals gk , ek , bn and nd , sustain , each , a maximum weight of 5w " , [ XXXIV ] , with length + Hence , stress equals §✓h2 + } } * w , = h and , material for each , = ( 577+ 13§v ) . = 70 v 10 , The four remaining diagonals ...
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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