Construct the influence diagrams for the reactions at A, B, and C, and the shear and moment at a point 3 meters from the leftmost end of the beam shown below. Compute the maximum value of each function resulting from a moving concentrated loads of 80 kN and 50kN, 1.5 m apart. 1.000, 4.000 7.000 4.000 3.000

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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P Value = 211 kN

- Please handwrite. (All caps and NOT cursive)

- Please box the final answer

An influence line is a curve the ordinate of which gives the value of the function (shear,
moment, reaction, bar force, etc.) in a fixed element (member section, support, bar in truss, etc.)
when a unit load is at the ordinate. It indicates the effect of a unit load moving across a span. It
is a useful tool in stress analysis in the sense that it serves as a guide to determine just what
portion of the structure should be loaded to cause the maximum effect on the part under
consideration.
Objective:
At the end of this exercise, the students are expected to have performed construction of
quantitative and qualitative Influence Lines for different functions of statically determinate and
indeterminate beams.
Problems:
Plate No. 10
INFLUENCE LINES OF BEAMS
Prob. 1.
Construct the influence diagrams for the reactions at A, B, and C, and the shear and moment
at a point 3 meters from the leftmost end of the beam shown below. Compute the maximum
value of each function resulting from a moving concentrated loads of 80 kN and 50kN, 1.5 m
apart.
1.000
A
4.000
7.000
B
4.000
3.000
Transcribed Image Text:An influence line is a curve the ordinate of which gives the value of the function (shear, moment, reaction, bar force, etc.) in a fixed element (member section, support, bar in truss, etc.) when a unit load is at the ordinate. It indicates the effect of a unit load moving across a span. It is a useful tool in stress analysis in the sense that it serves as a guide to determine just what portion of the structure should be loaded to cause the maximum effect on the part under consideration. Objective: At the end of this exercise, the students are expected to have performed construction of quantitative and qualitative Influence Lines for different functions of statically determinate and indeterminate beams. Problems: Plate No. 10 INFLUENCE LINES OF BEAMS Prob. 1. Construct the influence diagrams for the reactions at A, B, and C, and the shear and moment at a point 3 meters from the leftmost end of the beam shown below. Compute the maximum value of each function resulting from a moving concentrated loads of 80 kN and 50kN, 1.5 m apart. 1.000 A 4.000 7.000 B 4.000 3.000
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