New Constructions in Graphical Statics |
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Page 15
... triangle c , bc , ' applied in test the accuracy of our construction . the vertical through b , the parabolic area This test is not so simple in cases of bc , ... c . in the vertical 4 which con- more irregular loading . tains its ...
... triangle c , bc , ' applied in test the accuracy of our construction . the vertical through b , the parabolic area This test is not so simple in cases of bc , ... c . in the vertical 4 which con- more irregular loading . tains its ...
Page 16
... triangles c , h . c and c . c'h ' ; there- polygon or curve a to obtain those of d . fore lay off c , h = r'r , ' and c'h ' = rr . If a was inverted , certain weights might The closing line hh can then be be hung at the points a , a ...
... triangles c , h . c and c . c'h ' ; there- polygon or curve a to obtain those of d . fore lay off c , h = r'r , ' and c'h ' = rr . If a was inverted , certain weights might The closing line hh can then be be hung at the points a , a ...
Page 20
... triangles having each a base equal to half the span : then take the altitudes of the tri- Now to find the closing line of this angles as the loads . This we have done , equilibrium polygon so that its ordinates so that pp = 4cc , and p ...
... triangles having each a base equal to half the span : then take the altitudes of the tri- Now to find the closing line of this angles as the loads . This we have done , equilibrium polygon so that its ordinates so that pp = 4cc , and p ...
Page 27
... triangles , whose sides are respectively parallel and per- pendicular to the segments of the arch , precisely as was done in Figs . 4 and 5 . Now with the new pole o and the new load line through t , we can draw the polygon e starting ...
... triangles , whose sides are respectively parallel and per- pendicular to the segments of the arch , precisely as was done in Figs . 4 and 5 . Now with the new pole o and the new load line through t , we can draw the polygon e starting ...
Page 28
... triangle of negative area . Hence in which the summation is extended ch ' is the closing line , fulfilling the re- from end to end . quired conditions . ( Mx ) = 0 , This condition will enable us to draw the closing line of the polygon ...
... triangle of negative area . Hence in which the summation is extended ch ' is the closing line , fulfilling the re- from end to end . quired conditions . ( Mx ) = 0 , This condition will enable us to draw the closing line of the polygon ...
Other editions - View all
New Constructions in Graphical Statics (Classic Reprint) Henry Turner Eddy No preview available - 2017 |
Common terms and phrases
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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