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 7
... proportions : ( 1 ) . ( 2 ) . zw : x :: v : h , whence , x = tw : y :: v : o , whence , y = tw ° But equals the weight sustained by the oblique ac . Therefore , from the two equations above deduced , we may enunciate the following ...
... proportions : ( 1 ) . ( 2 ) . zw : x :: v : h , whence , x = tw : y :: v : o , whence , y = tw ° But equals the weight sustained by the oblique ac . Therefore , from the two equations above deduced , we may enunciate the following ...
Seite 13
... proportional to the power of resistance in each case , and the material in the two pieces , acts with equal advantage , as far as regards cross - section , so that the products of stress into length of pieces , are the true exponents of ...
... proportional to the power of resistance in each case , and the material in the two pieces , acts with equal advantage , as far as regards cross - section , so that the products of stress into length of pieces , are the true exponents of ...
Seite 16
... proportional to the square of the length of pieces respectively . ( 6 ) . The respective stresses of two thrust members , divided by the squares of respective lengths , give quo- tients indicative of , though not proportional to , the ...
... proportional to the square of the length of pieces respectively . ( 6 ) . The respective stresses of two thrust members , divided by the squares of respective lengths , give quo- tients indicative of , though not proportional to , the ...
Seite 19
... proportion to both abutments , inde- pendently of the other braces , whether one or both pair be loaded ; on the contrary , truss 7 , when c only is loaded , must transfer w to a ' , which can only be done through a'b ' , the only ...
... proportion to both abutments , inde- pendently of the other braces , whether one or both pair be loaded ; on the contrary , truss 7 , when c only is loaded , must transfer w to a ' , which can only be done through a'b ' , the only ...
Seite 20
... proportion for the trusses under discussion , and , substituting these values of h and v in the expressions of tension material in the trusses respectively , we have ( 16 + 2 ) m for truss 6 , and ( 12 + 2 ) м for truss 7 , being about ...
... proportion for the trusses under discussion , and , substituting these values of h and v in the expressions of tension material in the trusses respectively , we have ( 16 + 2 ) m for truss 6 , and ( 12 + 2 ) м for truss 7 , being about ...
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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