An Elementary and Practical Treatise on Bridge Building: An Enl. and Improved Edition of the Author's Original WorkD. Van Nostrand, 1899 - 352 Seiten |
Im Buch
Ergebnisse 1-5 von 55
Seite 13
... shows the material to be capable of sustaining much more to the square inch in the former , than in the latter case , though it does not give the true ratio . On the other hand , ek and gi , with length -1 , and stressw , give quotient ...
... shows the material to be capable of sustaining much more to the square inch in the former , than in the latter case , though it does not give the true ratio . On the other hand , ek and gi , with length -1 , and stressw , give quotient ...
Seite 20
... shows a positive advan- tage over truss 6 in amount of tension material , equal to ( ( 4 + 2 ) - ( 3 + 2v ) m = = 12 M. This is equal to อ v 4м , when h = 2v2 ; which is in tolerable proportion for the trusses under discussion , and ...
... shows a positive advan- tage over truss 6 in amount of tension material , equal to ( ( 4 + 2 ) - ( 3 + 2v ) m = = 12 M. This is equal to อ v 4м , when h = 2v2 ; which is in tolerable proportion for the trusses under discussion , and ...
Seite 30
... shows very nearly the relative amount of tension material required in the several plans ; while , as previously stated , the amount of compression material is not so nearly indicated by the figures and expressions giving the amount of ...
... shows very nearly the relative amount of tension material required in the several plans ; while , as previously stated , the amount of compression material is not so nearly indicated by the figures and expressions giving the amount of ...
Seite 49
... shows the pressure caused at the right hand abutment , by the weight ( w ) directly under the figure , e . g . , the upper figure 3 over d , indicates that 3w " is the bearing at i , produced by the weight ( w ) at d , and so of the ...
... shows the pressure caused at the right hand abutment , by the weight ( w ) directly under the figure , e . g . , the upper figure 3 over d , indicates that 3w " is the bearing at i , produced by the weight ( w ) at d , and so of the ...
Seite 50
... show the accumulation of the effects of the different weights upon successive diagonals from left to right . Thus , the figure 6 over the point d , shows that dl sustains 6w " , pressure due at i , from weights ( w ) at b , e and d ...
... show the accumulation of the effects of the different weights upon successive diagonals from left to right . Thus , the figure 6 over the point d , shows that dl sustains 6w " , pressure due at i , from weights ( w ) at b , e and d ...
Andere Ausgaben - Alle anzeigen
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