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 82
Seite 27
... maximum action upon ci , occurs when b and c are loaded , and d and e , unloaded . For similar reasons , the maximum action upon dg , oc- curs when e alone is unloaded . The maximum weight sustained by lb , and eg , is the weight ...
... maximum action upon ci , occurs when b and c are loaded , and d and e , unloaded . For similar reasons , the maximum action upon dg , oc- curs when e alone is unloaded . The maximum weight sustained by lb , and eg , is the weight ...
Seite 28
... maximum compression upon ck and id , equals the greatest weight sustained by ci and dk , already found to be equal to zw . XXV . Having thus ascertained the greatest weights sustained by the several oblique members , and the greatest ...
... maximum compression upon ck and id , equals the greatest weight sustained by ci and dk , already found to be equal to zw . XXV . Having thus ascertained the greatest weights sustained by the several oblique members , and the greatest ...
Seite 33
... maximum tension stress of each vertical equals w . = In order to bring the diagonals into action , the truss must obviously be unequally loaded ; and , to determine the maximum stresses of the several diagonals respec- tively , we may ...
... maximum tension stress of each vertical equals w . = In order to bring the diagonals into action , the truss must obviously be unequally loaded ; and , to determine the maximum stresses of the several diagonals respec- tively , we may ...
Seite 34
... maximum stress of fj , occurs when all the supporting points ex- cept g , have their full load , and he point g is without load . Taking , then , fs = qr , and drawing st par- allel with gf , st will re- present the horizontal , and ft ...
... maximum stress of fj , occurs when all the supporting points ex- cept g , have their full load , and he point g is without load . Taking , then , fs = qr , and drawing st par- allel with gf , st will re- present the horizontal , and ft ...
Seite 35
... maximum weight sustained by fj . + Since ją represents the action of ij , due to a pressure of 15w " at i , and jq ' , the action of ij , due to a pressure of 10 " , it follows that jq = jq ; whence q'r ' obviously equals qr , and fs'fs ...
... maximum weight sustained by fj . + Since ją represents the action of ij , due to a pressure of 15w " at i , and jq ' , the action of ij , due to a pressure of 10 " , it follows that jq = jq ; whence q'r ' obviously equals qr , and fs'fs ...
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