Simplified Mechanics and Strength of MaterialsWiley, 1951 - 275 páginas |
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Página 29
... truss diagram , Fig . 26 ( a ) . The three forces acting on the truss are the wind load of 12,000 # and the two reactions . These three forces are in equilibrium and are non- parallel ; therefore , their lines of action have a point in ...
... truss diagram , Fig . 26 ( a ) . The three forces acting on the truss are the wind load of 12,000 # and the two reactions . These three forces are in equilibrium and are non- parallel ; therefore , their lines of action have a point in ...
Página 30
... truss for which the end bearings are simple supports ; there is no roller bearing . The total load on the truss is 6,000 # distributed at the panel points as shown . As the truss is symmetrically 30 FORCES Stress Diagrams for Trusses.
... truss for which the end bearings are simple supports ; there is no roller bearing . The total load on the truss is 6,000 # distributed at the panel points as shown . As the truss is symmetrically 30 FORCES Stress Diagrams for Trusses.
Página 32
... truss . To draw a stress diagram we begin by drawing the force polygon of the external forces . For the truss and loads shown in Fig . 28 ( a ) this diagram consists of the known forces , the loads and reactions . The force polygon is ...
... truss . To draw a stress diagram we begin by drawing the force polygon of the external forces . For the truss and loads shown in Fig . 28 ( a ) this diagram consists of the known forces , the loads and reactions . The force polygon is ...
Contenido
CHAPTER | 1 |
Elements of a Force | 9 |
Equilibrant | 15 |
Derechos de autor | |
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allowable axial load allowable load allowable unit stress angle bars center of moments centroid column compressive stresses compressive unit stress Compute the maximum concentrated load cross section cross-sectional area deflection deformation determine diameter distance double bearing elastic limit EXAMPLE EXAMPLE factor of safety fillet weld flexure formula force polygon free body diagram funicular polygon hence indicated in Fig inertia intersection length line of action linear foot magnitude material maximum bending maximum shear modulus of elasticity moment of inertia neutral surface parallel parallelogram of forces pier plate pounds per linear pounds per square pressure PROBLEMS R₁ radius of gyration reactions reinforced concrete resisting respect resultant rivet rods section modulus shaft shear diagram shearing stress shearing unit stress shown in Fig simple beam single bearing slenderness ratio SOLUTION span square inch stirrups Table tensile stresses thickness three forces truss uniformly distributed load weight width zero