1. Determine the joint displacements, member axial forces, and support reactions for theBaltimore bridge truss shown in Fig. 3.11.111213101516(14)3.5 m9 3.5 m5120 kN 120 kN 120 kN 120 kN 120 kN 120 kN 120 kN(8Ot8 at 6 m 48 mEA = constantE = 200 GPaA = 20,000 mm?Fig. 3.11 Baltimore bridge truss

Support Reactions : Due to symmetry in truss system as well as loading,R1 = R9 = 120×72 = 420 kN

Determine the joint displacements, member axial forces, and support reactions for the Baltimore bridge truss shown in Fig. 3.11. (11 (12) (13 10 (15 (16 (14 3.5 m 93.5 m 01 (3 (5 (6 120 kN 120 kN 120 kN 120 kN 120 kN 120 kN 120 kN -8 at 6 m 48 m EA = constant %3D E = 200 GPa A = 20,000 mm? %3D

Determine the joint displacements, member axial forces, and support reactions for the Baltimore bridge truss shown in Fig. 3.11. (11 (12) (13 10 (15 (16 (14 3.5 m 93.5 m 01 (3 (5 (6 120 kN 120 kN 120 kN 120 kN 120 kN 120 kN 120 kN -8 at 6 m 48 m EA = constant %3D E = 200 GPa A = 20,000 mm? %3D

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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Concept explainers

Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.

Question

1. Determine the joint displacements, member axial forces, and support reactions for the
Baltimore bridge truss shown in Fig. 3.11.
11
12
13
10
15
16
(14)
3.5 m
9 3.5 m
5
120 kN 120 kN 120 kN 120 kN 120 kN 120 kN 120 kN
(8
Ot
8 at 6 m 48 m
EA = constant
E = 200 GPa
A = 20,000 mm?
Fig. 3.11 Baltimore bridge truss

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