New Constructions in Graphical StaticsD. Van Nostrand, 1877 - 62 páginas |
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Página 14
... intersects the vertical 1 at c1 ; then draw c , c , || bw ,; and c , c , || bw ,, CHAPTER II . THE ARCH RIB WITH FIXED ENDS . LET us take , as the particular case to be treated , that of the St. Louis Bridge , which is a steel arch in ...
... intersects the vertical 1 at c1 ; then draw c , c , || bw ,; and c , c , || bw ,, CHAPTER II . THE ARCH RIB WITH FIXED ENDS . LET us take , as the particular case to be treated , that of the St. Louis Bridge , which is a steel arch in ...
Página 15
... intersect at 7 ,; therefore the center of gravity of the positive loads must lie in the vertical through q Now the negative loading must have its center of gravity in the same vertical , in order that the condition ( Mx ) = 0 may be ...
... intersect at 7 ,; therefore the center of gravity of the positive loads must lie in the vertical through q Now the negative loading must have its center of gravity in the same vertical , in order that the condition ( Mx ) = 0 may be ...
Página 16
... intersects would still exist in the present upright the polygon . If the construction has position under these same ... intersecting this pencil of radiating lines will be cut by it in segments , which represent the relative weights ...
... intersects would still exist in the present upright the polygon . If the construction has position under these same ... intersecting this pencil of radiating lines will be cut by it in segments , which represent the relative weights ...
Página 18
... intersecting bj , at v , and the middle ver- tical at v ; then is v , v , the pole dis- larly the sum of the negative squares is tance decreased in the required ratio . 8. If these are equal , then ( Mey ) Hence we move up the weight ...
... intersecting bj , at v , and the middle ver- tical at v ; then is v , v , the pole dis- larly the sum of the negative squares is tance decreased in the required ratio . 8. If these are equal , then ( Mey ) Hence we move up the weight ...
Página 21
... intersect at 42. The the bending moments . vertical through 9 , then contains the center of gravity of the moment areas when bb is assumed as the closing line . we should find a deflection df = df not vertical. 6 A few trials will enable ...
... intersect at 42. The the bending moments . vertical through 9 , then contains the center of gravity of the moment areas when bb is assumed as the closing line . we should find a deflection df = df not vertical. 6 A few trials will enable ...
Otras ediciones - Ver todas
New Constructions in Graphical Statics (Classic Reprint) Henry Turner Eddy Sin vista previa disponible - 2017 |
Términos y frases comunes
abutment actual angle angle of friction applied weights arch rib Artillery assumed bending mo bending moments Brevet bridge brium polygon cable center of gravity center vertical Cloth compression cone construction convenient crown deflection curve determine dome of masonry draw drawn Edition elongated engravings equal equation equili flexible Gunnery hinge joints hoop tension horizontal thrust Illustrated inertia Infantry intersect load line Louis Arch lune manner Manual ment meridian metal Military moment of inertia moving load negative loading obtain ordi ordinates Ordnance parallel piers plane pole distance polygon e positive load Prop proportional quantities radial ratio resistance Revised Rifle scale second equilibrium polygon segments shear shearing stress span stiffening truss straight girder stresses surface sustained Tactics tangent temperature thickness third closing line tion triangle U. S. Army U. S. Navy vertical resistances wall weight line wood-cuts
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