Researches in Graphical StaticsD. van Nostrand, 1878 - 122 páginas |
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Página 11
... compression directly along the cable or arch . deviation the greater the bending mo- ment to be sustained in this manner . Hence appears the general truth stated in the proposition . It will be noticed that the moment called into action ...
... compression directly along the cable or arch . deviation the greater the bending mo- ment to be sustained in this manner . Hence appears the general truth stated in the proposition . It will be noticed that the moment called into action ...
Página 19
... compression along the be very approximately equal to the arch , the effect of the variation of I is positive moments Ma on the left , and very inconsiderable indeed . the same thing is true for the negative * Philosophical Magazine ...
... compression along the be very approximately equal to the arch , the effect of the variation of I is positive moments Ma on the left , and very inconsiderable indeed . the same thing is true for the negative * Philosophical Magazine ...
Página 22
... compression along the arch and of the shearing normal to the arch . Since the pole distance tt , refers to the difference of ordinates between the poly- gons d and e , whose ordinates are double the actual ordinates , if we wish now to ...
... compression along the arch and of the shearing normal to the arch . Since the pole distance tt , refers to the difference of ordinates between the poly- gons d and e , whose ordinates are double the actual ordinates , if we wish now to ...
Página 23
... compression Now the real equilibrium polygon of the to which it is subjected , and the yielding applied forces II , is the straight line kk .. of the abutments , under the horizontal By real equilibrium polygon is meant , thrust applied ...
... compression Now the real equilibrium polygon of the to which it is subjected , and the yielding applied forces II , is the straight line kk .. of the abutments , under the horizontal By real equilibrium polygon is meant , thrust applied ...
Página 24
... compression , etc , is of the nature of a correction to the thrust due to the applied weights . Thus in Fig . 2 we found 3ov ' to be the thrust due to the applied weights , and on applying the correction we must use the two thrusts 30v ...
... compression , etc , is of the nature of a correction to the thrust due to the applied weights . Thus in Fig . 2 we found 3ov ' to be the thrust due to the applied weights , and on applying the correction we must use the two thrusts 30v ...
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Términos y frases comunes
angle of friction applied forces assumed bending mo bending moments bisect bridge brium polygon cable cause center of gravity chord closing line Cloth compression conjugate stresses construction corresponding cross section determine direction dome draw drawn effect ellipse Engineers equal equation equili equilibrating polygon equilibrium polygon fluid stress force diagram force polygon frame diagram frame pencil frame polygon given Graphical Statics hence horizontal thrust Illustrated inertia intensity intersection joints left abutment live load manner ment method moment of inertia negative neutral axis normal components obliquity obtain ordinates perpendicular piers plane plane stress pole distance polygon e polygon ee position pressure previously principal stresses PROBLEM proportional pseudo ratio rays reaction represent resistance respectively resultant stress right shearing stress segments sides span straight girder stress solids suppose sustained tangent tangential components tion treated triangles U. S. Army weight line
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