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 23
... portion , x , of the weight w , which is to w , as the horizontal reach of its antagonist , as to horizontal action , or its fellow and assistant vertically , is to the whole length of chord ; that is , the weight x , bearing at m ...
... portion , x , of the weight w , which is to w , as the horizontal reach of its antagonist , as to horizontal action , or its fellow and assistant vertically , is to the whole length of chord ; that is , the weight x , bearing at m ...
Seite 45
... portions , by an amount equal to the aggregate horizontal action of all the acting diagonals inclining toward the ... portion of the truss , must bring into action in- wardly inclined diagonals , while removing weight from one end ...
... portions , by an amount equal to the aggregate horizontal action of all the acting diagonals inclining toward the ... portion of the truss , must bring into action in- wardly inclined diagonals , while removing weight from one end ...
Seite 55
... portion of 2 to 5 , producing alternately tension and thrust , through the points m , e , k , g , j to i ; on the right , and through co and oa , to a , on the left . Thus far , the weights have acted upon independent systems of oblique ...
... portion of 2 to 5 , producing alternately tension and thrust , through the points m , e , k , g , j to i ; on the right , and through co and oa , to a , on the left . Thus far , the weights have acted upon independent systems of oblique ...
Seite 61
... portion of the upper , and equal tension in opposite di- rections upon the lower chord ; whereas , with one - half loaded , there is no means by which the pressure due at the farther abutment could be transferred past the centre ...
... portion of the upper , and equal tension in opposite di- rections upon the lower chord ; whereas , with one - half loaded , there is no means by which the pressure due at the farther abutment could be transferred past the centre ...
Seite 90
... portion of the chord outside of the connection therewith , or a like portion at the opposite end . VIII . It is to be remembered that the tension or thrust of a diagonal , is always equal to the weight sus- tained , multiplied by the ...
... portion of the chord outside of the connection therewith , or a like portion at the opposite end . VIII . It is to be remembered that the tension or thrust of a diagonal , is always equal to the weight sus- tained , multiplied by the ...
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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