Graphical Method for the Analysis of Bridge Trusses: Extended to Continuous Girders and Draw SpansD. Van Nostrand, 1875 - 79 páginas |
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Página 21
... stress on LD or A E , as these pieces are unneces- sary for equilibrium . The compression on the two panels of the top ... maxima stresses on the chords occur when the entire span is loaded , to find the tension and com- pression on the ...
... stress on LD or A E , as these pieces are unneces- sary for equilibrium . The compression on the two panels of the top ... maxima stresses on the chords occur when the entire span is loaded , to find the tension and com- pression on the ...
Página 27
... maxima stresses were determined in § 14 . 17. The portion of the figure within the triangle t d У gives a graphical method for finding the horizontal com- ponents v x and y without calculation . For example : since NJ ' . H vy ON - draw ...
... maxima stresses were determined in § 14 . 17. The portion of the figure within the triangle t d У gives a graphical method for finding the horizontal com- ponents v x and y without calculation . For example : since NJ ' . H vy ON - draw ...
Página 32
... maxima stresses on the chords and bracing of any truss , loaded in any manner , as we have done for single spans in the preceding pages . The diagrams will show , what might have been expected from analogy , that the maxima stresses on ...
... maxima stresses on the chords and bracing of any truss , loaded in any manner , as we have done for single spans in the preceding pages . The diagrams will show , what might have been expected from analogy , that the maxima stresses on ...
Página 52
... maxima and minima bending moments and shearing forces must also hold good . The different parts of the chords under different stresses , determined by the limiting positions of the points of contra - flexure , are shown in the figure ...
... maxima and minima bending moments and shearing forces must also hold good . The different parts of the chords under different stresses , determined by the limiting positions of the points of contra - flexure , are shown in the figure ...
Página 72
... maxima stresses in the successive panels occur im- mediately in front of the load , and terminate in the points u , v , s , etc. , which points will lie in a parabola , described on the tangents lp and pf , with tangent points in the ...
... maxima stresses in the successive panels occur im- mediately in front of the load , and terminate in the points u , v , s , etc. , which points will lie in a parabola , described on the tangents lp and pf , with tangent points in the ...
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Términos y frases comunes
abutment applied bending moment bending moments bolt Bridge centre of gravity centre pier centre vertical change of inclination Cloth compression construction continuous girder curve determine diagonal draw span drawn engravings equal feet figure find the stresses fully loaded Guns horizontal distance horizontal line horizontal stress Hypsometry Illustrated inclined chord Iron J. P. WHITNEY line parallel load advances load extends load line manufacture maxima stresses Mechanics ment Mining moment curve moving load multiplied obtained ordinates P₁ panel joint parabola parabolic segment plane of section points of contra-flexure points of support portion position PRACTICAL TREATISE Prof proportional readily rolling load shearing diagram shearing force shearing stress side single span Steam Engine Steel STRENGTH OF MATERIALS stress diagram supporting force Survey tangent Telegraph tension tion top chord travelling load triangle U. S. Navy unloaded vertical line Water weight wood-cuts ZERAH COLBURN
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