The point loads are placed at the fixed positions shown in the figure and they arelive loads.AKaba1₁BAscAstCross section1₂WC (centre)Df' = 38 Mpaf'ct.f=fsy= 500 MPaEs = 200 GPaEc= 3.5 MPa= 28600 MPa1₂Variables1₁2.5 m1₂3ma 55 mm600bAstmm400mm620mm²3200mm² Q1) The beam carries an unfactored uniformly distributed dead load (includingself-weight) of G = 4 kN/m and an unfactored uniformly distributed live load ofQ = 0 kN/m. Two concentrated unfactored live loads of P = 2 kN are appliedat the positions shown in the figure.(Note: The load factor for G is 1.2, and for P is 1.5. There is no uniformlydistributed live load.)1.1 Find the maximum moment of the beam.Mmaz =|1.2 Find the neutral axis distance from the top surface. If the section is governedby the linear elastic regime, the transformed area method dn = ΣYiAi/Σ Aiis valid.dn=1.3 Find the cracking moment.Mc =kNm(No answer given) ♦(No answer given)NoYesmmkNm1.4 Does this section crack?(

1.1 Find the maximum moment of the beam. Mmax 1.2 Find the neutral axis distance from the top surface. If the section is governed by the linear elastic regime, the transformed area method dn = ΣYi Ai / Σ Ai is valid. dn 1.3 Find the cracking moment. Mc = kNm (No answer given) ♦ (No answer given) No Yes mm kNm 1.4 Does this section crack? . 1

1.1 Find the maximum moment of the beam. Mmax 1.2 Find the neutral axis distance from the top surface. If the section is governed by the linear elastic regime, the transformed area method dn = ΣYi Ai / Σ Ai is valid. dn 1.3 Find the cracking moment. Mc = kNm (No answer given) ♦ (No answer given) No Yes mm kNm 1.4 Does this section crack? . 1

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

Matrix Algebra for Structural analysis

Structural analysis is a process in which the effects of different loads and internal forces, acting on structures and their elements are determined. This method of analysis is effective in detecting the failure loads of the structural elements and the design can be altered before commencing the construction process, which ensures proper strength and safety of the structures.

Question

100%

The point loads are placed at the fixed positions shown in the figure and they are
live loads.
A
K
a
b
a
1₁
B
Asc
Ast
Cross section
1₂
W
C (centre)
D
f' = 38 Mpa
f'ct.f=
fsy
= 500 MPa
Es = 200 GPa
Ec
= 3.5 MPa
= 28600 MPa
1₂
Variables
1₁2.5 m
1₂3m
a 55 mm
600
b
Ast
mm
400
mm
620
mm²
3200
mm²

Q1) The beam carries an unfactored uniformly distributed dead load (including
self-weight) of G = 4 kN/m and an unfactored uniformly distributed live load of
Q = 0 kN/m. Two concentrated unfactored live loads of P = 2 kN are applied
at the positions shown in the figure.
(Note: The load factor for G is 1.2, and for P is 1.5. There is no uniformly
distributed live load.)
1.1 Find the maximum moment of the beam.
Mmaz =|
1.2 Find the neutral axis distance from the top surface. If the section is governed
by the linear elastic regime, the transformed area method dn = ΣYiAi/Σ Ai
is valid.
dn
=
1.3 Find the cracking moment.
Mc =
kNm
(No answer given) ♦
(No answer given)
No
Yes
mm
kNm
1.4 Does this section crack?
(

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