Figure Q4(a) shows the idealized stress-strain curve for steel and Figure Q4(b) shows the yielding of the beam section due to bending. Explain in detail the relation between these TWO (2) Figures based on your understanding of plastic analysis. Figure Q4(c) shows a continuous beam subjected to uniformly distributed load at span AB and span EF. Span BE of the continuous beam is subjected to the concentrated load of 10 kN and 20 kN at C and D, respectively. With the aid of sketches, identify all the possible collapse mechanism of the beam and label the corresponding plastic hinges, plastic moment (Mp) and (i)

Figure Q4(a) shows the idealized stress-strain curve for steel and Figure Q4(b) shows the yielding of the beam section due to bending. Explain in detail the relation between these TWO (2) Figures based on your understanding of plastic analysis. Figure Q4(c) shows a continuous beam subjected to uniformly distributed load at span AB and span EF. Span BE of the continuous beam is subjected to the concentrated load of 10 kN and 20 kN at C and D, respectively. With the aid of sketches, identify all the possible collapse mechanism of the beam and label the corresponding plastic hinges, plastic moment (Mp) and (i)

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

Load and resistance factor design

Load and resistance factors design (LRFD), also known as Limit state design (LSD), refers to the design method used in building engineering. A boundary condition is a condition of a structure where it can no longer meet the relevant design requirements. The condition may refer to the load level or other actions on the structure, while the terms refer to the integrity of the structure, suitability for use, durability, or other design requirements. A structure designed for LRFD is limited to keeping track of all possible actions during its design time and is always ready for use, with the appropriate level of reliability in each boundary condition. LRFD-based construction codes clearly define the appropriate levels of reliability in their instructions.

Question

Question 4c pls

10 kN
20 kN
15 kN/m
5 kN/m
C
E
F
B
6 m
2 m
2 m
2 m
4 m
FIGURE Q4(c)

Q4
Figure Q4(a) shows the idealized stress-strain curve for steel and Figure Q4(b) shows
the yielding of the beam section due to bending. Explain in detail the relation between
these TWO (2) Figures based on your understanding of plastic analysis.
(а)
(b)
Figure Q4(c) shows a continuous beam subjected to uniformly distributed load at span
AB and span EF. Span BE of the continuous beam is subjected to the concentrated
load of 10 kN and 20 kN at C and D, respectively.
(i)
With the aid of sketches, identify all the possible collapse mechanism of the
beam and label the corresponding plastic hinges, plastic moment (Mp) and
rotation (0).
(ii)
Virtual work is one of the methods that can be used to analyze plastic moment
(Mp). State the principle of virtual work, then by using this method, determine
the maximum plastic moment, (Mp) of the continuous beam.

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