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 28
Seite 5
... reference is here had to stone or brick arches . For , though these are advantageously used for short spans , and in deep valleys , where the expense of constructing high abutments for supporting a lighter superstructure , would exceed ...
... reference is here had to stone or brick arches . For , though these are advantageously used for short spans , and in deep valleys , where the expense of constructing high abutments for supporting a lighter superstructure , would exceed ...
Seite 30
... REFERENCES . AMOUNT OF ACTION UPON MATERIALS Tension . Compression . Total . 81 XX 20 % 2 + 43v ) M 15h2 35h + 33v ) M + 73v ) M Ο v v 9 XXI 2012 + 4v ) M 2012 + 4v ) M 40h2 + 8v ) M XXII v 15/2 v v 10 + 6v ) M 13h * + 5v ) M 28/2 +11 ...
... REFERENCES . AMOUNT OF ACTION UPON MATERIALS Tension . Compression . Total . 81 XX 20 % 2 + 43v ) M 15h2 35h + 33v ) M + 73v ) M Ο v v 9 XXI 2012 + 4v ) M 2012 + 4v ) M 40h2 + 8v ) M XXII v 15/2 v v 10 + 6v ) M 13h * + 5v ) M 28/2 +11 ...
Seite 82
... reference to Fig . 12 , to deter- mine the weight sustained by , and the maximum stress produced upon , each diagonal and vertical , by equal weights upon all or any of the nodes of either chord . For example ; supposing the truss to ...
... reference to Fig . 12 , to deter- mine the weight sustained by , and the maximum stress produced upon , each diagonal and vertical , by equal weights upon all or any of the nodes of either chord . For example ; supposing the truss to ...
Seite 87
... reference to Fig . 18 , we have regarded the weight as transferred from tension diagonals to thrust verticals , and the contrary . But if we conceive the verticals to be removed , except the endmost , we have only to insert a thrust ...
... reference to Fig . 18 , we have regarded the weight as transferred from tension diagonals to thrust verticals , and the contrary . But if we conceive the verticals to be removed , except the endmost , we have only to insert a thrust ...
Seite 92
... reference to Fig . 18 [ xvr ] , that , while in trusses of even panels , the figures in the second line . over the diagram , indicate the maximum stresses of diagonals 92 BRIDGE PUIldina . Decussation in Trusses with Verticals.
... reference to Fig . 18 [ xvr ] , that , while in trusses of even panels , the figures in the second line . over the diagram , indicate the maximum stresses of diagonals 92 BRIDGE PUIldina . Decussation in Trusses with Verticals.
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