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 2
... extending from an elevated body downward to the earth , can hold or sustain that body above the earth , by vertical and horizontal action alone , either separately , or in combination . III . Suppose a body , no matter how great or ...
... extending from an elevated body downward to the earth , can hold or sustain that body above the earth , by vertical and horizontal action alone , either separately , or in combination . III . Suppose a body , no matter how great or ...
Seite 5
... extending from one to another of the principal points provided for as above . * VI . For a span of 20 or 30 feet , it would seem that no better plan could be devised , than to support a transverse beam midway between abutments , by two ...
... extending from one to another of the principal points provided for as above . * VI . For a span of 20 or 30 feet , it would seem that no better plan could be devised , than to support a transverse beam midway between abutments , by two ...
Seite 79
... extending upward and outward from the points to which the figures respect- ' vely refer . FIG . 12 A. · 110 o n 23 2 3 4 5 6 6 10 15 21 m 7 k j ( b с d e 2 1 1 9 Again , we have seen [ XL ] , that a certain condition of the movable load ...
... extending upward and outward from the points to which the figures respect- ' vely refer . FIG . 12 A. · 110 o n 23 2 3 4 5 6 6 10 15 21 m 7 k j ( b с d e 2 1 1 9 Again , we have seen [ XL ] , that a certain condition of the movable load ...
Seite 86
... trusses with parallel chords , the weight , whe- ther applied at the upper or lower chord , acts alter- nately upon thrust and tension pieces , extending directly or 36 BRIDGE BUILDING . Double Cancelated Trusses without Verticals.
... trusses with parallel chords , the weight , whe- ther applied at the upper or lower chord , acts alter- nately upon thrust and tension pieces , extending directly or 36 BRIDGE BUILDING . Double Cancelated Trusses without Verticals.
Seite 87
... extending directly or obliquely from chord to chord . With 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 ...
... extending directly or obliquely from chord to chord . With 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 ...
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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