estructuras 2d metodo nodos,ejercicios propuestos en ingenieriamecanica
TRANSCRIPT
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8/20/2019 Estructuras 2D Metodo Nodos,ejercicios propuestos en ingenieriamecanica
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344 Structural Analysis and Machines Chapter 6
Problems 6.19 and 6.20
The structure consists of seven pin-connected members. Determine the force
supported by all members. Express your answers in terms of parameters such as F
and L.
Figure P6.19 Figure P6.20
Problems 6.21 and 6.22
The structure consists of pin-connected members. Determine the force supported by
all
members.
Figure P6.21 Figure P6.22
FigureP6.23
Problem 6.23
A Bollman truss is shown. Determine the force supported by each of the five bars and
four cables.
Problem 6.24
(a !y inspection" identify the #ero-force members in the truss.
(b Determine the force supported by all members of the truss.
Figure P6.24
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Section 6.1 Truss Structures and the Method of Joints 345
Problem 6.25
(a !y inspection" identify the #ero-force members in the truss.
(b Determine the force supported by member F$ and all of the members to the
left of it.
(c Determine the force supported by all of the members to the ri%ht of member F$.
Problem 6.26
(a !y inspection" identify the #ero-force members in the truss.
(b Determine the force supported by member &' and all of the members to the
left of it.
(c Determine the force supported by all of the members to the ri%ht of member
&' .
Figure P6.25
Problem 6.27
The truss has frictionless pulleys at points !" ( " and ). &able se%ment !L is
vertical and * D + ,ip.
(a !y inspection" identify the #ero-force members in the truss.
(b Determine the force supported by member &E.
(c Determine the force supported by member $ .Figure P6.26
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Figure P6.27