h The bridge deck represented by a beam element shown is designed to support 20 kN/m of uniformly distributed live load and a 2-axle moving truck load shown. Construct the influence lines for the following responses and determine the maximum response due to the prescribed loadings. You may use any method in constructing the influence lines. 25 kN a. b. C. 40 kN A 6 m- Maximum upward reaction at Avin N; Maximum negative shear at C in kN; Maximum positive moment at C in kN; C 16m 6m B

h The bridge deck represented by a beam element shown is designed to support 20 kN/m of uniformly distributed live load and a 2-axle moving truck load shown. Construct the influence lines for the following responses and determine the maximum response due to the prescribed loadings. You may use any method in constructing the influence lines. 25 kN a. b. C. 40 kN A 6 m- Maximum upward reaction at Avin N; Maximum negative shear at C in kN; Maximum positive moment at C in kN; C 16m 6m B

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

Influence Lines

The graphs that show the variation of a function at a specific point on a beam or truss due to a unit load placed at any point along the structure are known as influence lines in engineering. Some common functions that are studied with influence lines are shear, moment, and deflection. In designing beams and trusses, it is important to use influence lines in structures where loads would move along their span such as bridges, crane rails, conveyor belts, floor girders, etc. The influence lines help to study where a load will create the maximum effect for any of the functions.

Question

USE ONLY Muller Breslau! Please help me understand how to solve it. step by step. I wanted to learn.

~CORRECT ANSWER

a. 210 kN

b. 93.75 kN

c. 787.5 kN

h
The bridge deck represented by a beam element shown
is designed to support 20 kN/m of uniformly distributed live load and a
2-axle moving truck load shown. Construct the influence lines for the
following responses and determine the maximum response due to the
prescribed loadings. You may use any method in constructing the
influence lines.
25 kN
a.
b.
C.
40 kN A
6 m-
Maximum upward reaction at Avin KN;
Maximum negative shear at C in kN;
Maximum positive moment at C in kN;
C
16m
6m
B

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