A beam is held by 2 steel rods, AB and CD. Three dead loadforces are applied to the beam. The normal failure stress ofthe steel is a fail = 260 MPa. The resistance factor is = 0.92. The dead load factor is D = 1.6.B^|-d₁F₁d2F₂VariableValueF₁5 KNF₂7 KNF36.5 KNd₁2 md₂1 md32.25 md₁3.75 mUsing the LSD/LRFD method,d3F3d4Values for the figure are given in the following table. Notethe figure may not be to scale.X KNCa. Determine normal force in rod AB after accounting forthe dead load factor, NAB.b.Determine normal force in rod CD after accounting forthe dead load factor, NCD.c. Determine minimum radius needed for rod AB, TAB.d. Determine minimum radius needed for rod CD, TCD.Round your final answers to 3 significant digits/figures.NAB= 15.6 Ad₁Variable ValueF₁F₂F3d₁Values for the figure are given in the following table. Notethe figure may not be to scale.5 KN7 KN6.5 KN2 m1md32.25 md43.75 mUsing the LSD/LRFD method,d₂d2NCD = 10.1a. Determine normal force in rod AB after accounting forthe dead load factor, NAB.b. Determine normal force in rod CD after accounting forthe dead load factor, NCD.c. Determine minimum radius needed for rod AB, TAB.d. Determine minimum radius needed for rod CD, CD.TAB= 4.58Round your final answers to 3 significant digits/figures.NAB= 15.6TCD= 3.67X KNd4X KNCx mx m

Answered: Image /qna-images/answer/4013556d-3170-4623-8a71-eedffb6b11ab.jpg

A beam is held by 2 steel rods, AB and CD. Three dead load forces are applied to the beam. The normal failure stress of the steel is o fail = 260 MPa. The resistance factor is = 0.92 . The dead load factor is YD = 1.6. B LL A ^|_—_ di –-| d2 F₂ d3 F3 d4 op -1° Values for the figure are given in the following table. Note the figure may not be to scale.

A beam is held by 2 steel rods, AB and CD. Three dead load forces are applied to the beam. The normal failure stress of the steel is o fail = 260 MPa. The resistance factor is = 0.92 . The dead load factor is YD = 1.6. B LL A ^|_—_ di –-| d2 F₂ d3 F3 d4 op -1° Values for the figure are given in the following table. Note the figure may not be to scale.

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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Material Properties

Construction in civil engineering demands high strength, durability, and longevity. These targets can be achieved by better design and analysis, along with the correct choice of materials. Different materials have different properties and hence, they respond and performs differently under the various condition of external loadings. It is therefore a critical task of an engineer to select the right material based on the property that the material is supposed to function in real-time. When speaking about the property, there are different categories of material properties like chemical property, physical property, mechanical property, electrical property, magnetic property, thermal property, etc. These material properties form the basis of material selection in various applications.

Question

A beam is held by 2 steel rods, AB and CD. Three dead load
forces are applied to the beam. The normal failure stress of
the steel is a fail = 260 MPa. The resistance factor is = 0.92
. The dead load factor is D = 1.6.
B
^|-
d₁
F₁
d2
F₂
Variable
Value
F₁
5 KN
F₂
7 KN
F3
6.5 KN
d₁
2 m
d₂
1 m
d3
2.25 m
d₁
3.75 m
Using the LSD/LRFD method,
d3
F3
d4
Values for the figure are given in the following table. Note
the figure may not be to scale.
X KN
C
a. Determine normal force in rod AB after accounting for
the dead load factor, NAB.
b.
Determine normal force in rod CD after accounting for
the dead load factor, NCD.
c. Determine minimum radius needed for rod AB, TAB.
d. Determine minimum radius needed for rod CD, TCD.
Round your final answers to 3 significant digits/figures.
NAB= 15.6

A
d₁
Variable Value
F₁
F₂
F3
d₁
Values for the figure are given in the following table. Note
the figure may not be to scale.
5 KN
7 KN
6.5 KN
2 m
1m
d3
2.25 m
d4
3.75 m
Using the LSD/LRFD method,
d₂
d2
NCD = 10.1
a. Determine normal force in rod AB after accounting for
the dead load factor, NAB.
b. Determine normal force in rod CD after accounting for
the dead load factor, NCD.
c. Determine minimum radius needed for rod AB, TAB.
d. Determine minimum radius needed for rod CD, CD.
TAB= 4.58
Round your final answers to 3 significant digits/figures.
NAB= 15.6
TCD= 3.67
X KN
d4
X KN
C
x m
x m

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