A force of 18,500 lbs is applied to a 3/8 in. x 3/4 in. A572 high-strength steelbar having a grade of 50. (refer to AISC Table 2-5, next page)Determinea. whether the bar will plastically deform andb. whether the bar will experience necking. PROBLEM No. 1STRESS - STRAINTable 2-5AISC Steel Construction ManualApplicable ASTM Specificationsfor Plates and BarsPlates and Bars, in.FyYield Tensile to 0.75 to 1.25 1.5 2 toStress Stress" 0.75 1.25 to 1.5 to 2(ksi)Fuover over over over over2.5over over over4 to 5 5 to 6 6 to 8 overSteelASTM2.5to 4Type DesignationТуре(ksi)incl. incl. incl. incl. incl. incl. incl. incl. incl.8.3258-80A363658-80Gr. C3055-75A283CarbonGr. D3360-80Gr. 505065-100A529Gr. 55Gr. 365570-100A7093658-80Gr. 424260Gr. 505065Gr. 55Gr. 60Gr. 65Gr. 50A572557060756580High-StrengthLow-A7095065Gr. 3636-5258A1043Gr. 50Alloy50-6565

Answer We are given force = 18500 lbs Bar = 3/8 * 3/4 in A572 grade 50 steel Fy = 50 ksi and Fu =…

A force of 18,500 lbs is applied to a 3/8 in. x 3/4 in. A572 high-strength steel bar having a grade of 50. (refer to AISC Table 2-5, next page) Determine a. whether the bar will plastically deform and b. whether the bar will experience necking.

A force of 18,500 lbs is applied to a 3/8 in. x 3/4 in. A572 high-strength steel bar having a grade of 50. (refer to AISC Table 2-5, next page) Determine a. whether the bar will plastically deform and b. whether the bar will experience necking.

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

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 force of 18,500 lbs is applied to a 3/8 in. x 3/4 in. A572 high-strength steel
bar having a grade of 50. (refer to AISC Table 2-5, next page)
Determine
a. whether the bar will plastically deform and
b. whether the bar will experience necking.

PROBLEM No. 1
STRESS - STRAIN
Table 2-5
AISC Steel Construction Manual
Applicable ASTM Specifications
for Plates and Bars
Plates and Bars, in.
Fy
Yield Tensile to 0.75 to 1.25 1.5 2 to
Stress Stress" 0.75 1.25 to 1.5 to 2
(ksi)
Fu
over over over over over
2.5
over over over
4 to 5 5 to 6 6 to 8 over
Steel
ASTM
2.5
to 4
Type Designation
Туре
(ksi)
incl. incl. incl. incl. incl. incl. incl. incl. incl.
8.
32
58-80
A36
36
58-80
Gr. C
30
55-75
A283
Carbon
Gr. D
33
60-80
Gr. 50
50
65-100
A529
Gr. 55
Gr. 36
55
70-100
A709
36
58-80
Gr. 42
42
60
Gr. 50
50
65
Gr. 55
Gr. 60
Gr. 65
Gr. 50
A572
55
70
60
75
65
80
High-
Strength
Low-
A709
50
65
Gr. 36
36-52
58
A1043
Gr. 50
Alloy
50-65
65

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