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 78
Seite 4
... assumed as a fact sustained by all experience , that , for sustaining weight between two supporting points upon nearly the same level , a simple beam affords the most convenient and most economical means , until these points exceed a ...
... assumed as a fact sustained by all experience , that , for sustaining weight between two supporting points upon nearly the same level , a simple beam affords the most convenient and most economical means , until these points exceed a ...
Seite 18
... - efficient of M , then M represents the pro duct of the stress , in terms of w , by length according to any assumed unit , which may be equal to v or not . length being 3h , the material consequently equals 3h M 18 BRIDGE BUILDING .
... - efficient of M , then M represents the pro duct of the stress , in terms of w , by length according to any assumed unit , which may be equal to v or not . length being 3h , the material consequently equals 3h M 18 BRIDGE BUILDING .
Seite 19
... assuming bd and cb ' to be thrust members . Now , as either c , or d , is liable to be loaded with weight equal to w , while the other is unloaded , it follows that both bd and cb ' are liable to sustain weight equal to fw , and require ...
... assuming bd and cb ' to be thrust members . Now , as either c , or d , is liable to be loaded with weight equal to w , while the other is unloaded , it follows that both bd and cb ' are liable to sustain weight equal to fw , and require ...
Seite 22
... assumed . But since any number of the points , c , d , e , are liable to be loaded while the others are unloaded , it is obvious that in such case , the arch will not be in equilibrio , the loaded points tending to be depressed , while ...
... assumed . But since any number of the points , c , d , e , are liable to be loaded while the others are unloaded , it is obvious that in such case , the arch will not be in equilibrio , the loaded points tending to be depressed , while ...
Seite 25
... form and connect the parts accordingly . Let it be assumed that the truss has ten- sion diagonals , and thrust uprights at c and d , while l and eg are necessarily tension members in all cases , 4 FIVE PANEL TRUSSES , 25.
... form and connect the parts accordingly . Let it be assumed that the truss has ten- sion diagonals , and thrust uprights at c and d , while l and eg are necessarily tension members in all cases , 4 FIVE PANEL TRUSSES , 25.
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