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 1
... vertical lines , and consequently , a heavy body can only be prevented from falling to the earth , by a force equal and opposite to that with which gravity impels the body downward . This resisting force must not only act vertically ...
... vertical lines , and consequently , a heavy body can only be prevented from falling to the earth , by a force equal and opposite to that with which gravity impels the body downward . This resisting force must not only act vertically ...
Seite 2
... vertical and horizontal action alone , either separately , or in combination . III . Suppose a body , no matter how great or small , placed above the earth , with a deep void , or an inac- cessible space beneath it . Attach as many ...
... vertical and horizontal action alone , either separately , or in combination . III . Suppose a body , no matter how great or small , placed above the earth , with a deep void , or an inac- cessible space beneath it . Attach as many ...
Seite 3
... vertical plane , and on opposite sides of the perpendicu- lar , a certain thrust exerted upon those rods , will pre ... vertically upward direction , in circumstances where the weight can not be conveniently met by a sim- ple force , in ...
... vertical plane , and on opposite sides of the perpendicu- lar , a certain thrust exerted upon those rods , will pre ... vertically upward direction , in circumstances where the weight can not be conveniently met by a sim- ple force , in ...
Seite 6
... vertical and a hori- zontal force , [ Elementary Mechanics - Statics ] which may be called the vertical and horizontal constituents of the oblique force . These two constituent forces bear certain determinate relations to one another ...
... vertical and a hori- zontal force , [ Elementary Mechanics - Statics ] which may be called the vertical and horizontal constituents of the oblique force . These two constituent forces bear certain determinate relations to one another ...
Seite 7
... vertical reach of the brace ; and the direct thrust ( in the direction of its length ) , equals the weight sustained multiplied by the length , and divided by the vertical reach of the brace . VIII . Now , it is obvious that the brace ...
... vertical reach of the brace ; and the direct thrust ( in the direction of its length ) , equals the weight sustained multiplied by the length , and divided by the vertical reach of the brace . VIII . Now , it is obvious that the brace ...
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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