Q.4)A symmetrical truss shown below is subjected to a 300 kN vertical force a pointB. The elastic modulus for all members of the truss is 200 GPa. The cross-sectional areas of members BC, BD and CD are 2000 mm?, 2200 mm? and2100 mm?, respectively. Determine the deformations of members BC, BD andCD. Also, calculate the vertical displacements of joints B and D.300 kNВ2.5 mD-4.0 m--4.0 m

Member BC: LBC=BD2+DC2=2.52+42LBC=4.717 mAt joint C:taking sum of all vertical force is…

A symmetrical truss shown below is subjected to a 300 kN vertical force a point B. The elastic modulus for all members of the truss is 200 GPa. The cross- sectional areas of members BC, BD and CD are 2000 mm², 2200 mm² and 2100 mm?, respectively. Determine the deformations of members BC, BD and CD. Also, calculate the vertical displacements of joints B and D.

A symmetrical truss shown below is subjected to a 300 kN vertical force a point B. The elastic modulus for all members of the truss is 200 GPa. The cross- sectional areas of members BC, BD and CD are 2000 mm², 2200 mm² and 2100 mm?, respectively. Determine the deformations of members BC, BD and CD. Also, calculate the vertical displacements of joints B and D.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Q.4)A symmetrical truss shown below is subjected to a 300 kN vertical force a point
B. The elastic modulus for all members of the truss is 200 GPa. The cross-
sectional areas of members BC, BD and CD are 2000 mm?, 2200 mm? and
2100 mm?, respectively. Determine the deformations of members BC, BD and
CD. Also, calculate the vertical displacements of joints B and D.
300 kN
В
2.5 m
D
-4.0 m-
-4.0 m

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