A steel column carries an axial load of 787 kN and a moment of 69 kN-m at the top and moment at the bottom which is only 70% of the moment at the top. The two moments are in opposite direction and applied about the x-axis and the steel section has the following properties: A = 12974 mm2 rx= 109 mm ry=94 mm Sx = 1200 x 103 mm3

A steel column carries an axial load of 787 kN and a moment of 69 kN-m at the top and moment at the bottom which is only 70% of the moment at the top. The two moments are in opposite direction and applied about the x-axis and the steel section has the following properties: A = 12974 mm2 rx= 109 mm ry=94 mm Sx = 1200 x 103 mm3

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: The force of a Truss is as follows. The E of all member sections is 30000 kips\in^2, and the A of…

Q: Please help with this practice question. Thanks Question 1 ) Determine the y-component of force at…

A: We are required to find the Y component of force at pin D

Q: Use Virtual Work Method to answer the questions below considering the truss shown in the figure.…

Q: The Howe truss is subjected to the loading shown in (Figure 1). Suppose that F = 8.5 kN . Determine…

A: Determine force in member BG

Q: 14. A pin-connected structure consists of a rigid beam ABCD and two supporting bars. Bar (1) is an…

A: Given :

Q: Axial loads are applied to the compound rod that is composed of an aluminum segment rigidly…

A: P=15kN

Q: The beam has a rectangular cross section and is subjected to the loading shown. Determine the…

Q: The two vertical steel [E = 200 GPa] rods that support rigid bar ABCD are initially free of stress.…

Q: The cross-sectional area of each member of the truss is 1200 mm2 and the allowable stresses are 100…

Q: A steel column carries an axial load of 200 kN, a moment of 50 kN-m at the top and moment 25 kN-m at…

A: P = 200KN = 200 x 103 Mmax = 50KNm = 50 x 106 Nmm 1N/mm2 = 1 MPa

Concept explainers

Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.

Question

A steel column carries an axial load of 787 kN and a moment of
69 kN-m at the top and moment at the bottom which is
only 70% of the moment at the top. The two moments are in
opposite direction and applied about the x-axis and the steel
section has the following properties:
A = 12974 mm2
rx= 109 mm
ry= 94 mm
Sx = 1200 x 103 mm3
K=1.0
L= 3.6 m
E = 200,000 Mpa
Fy = 248 Mpa
Use NSCP specification for compressive stress and Fb =148
Mpa.
Questions:
Determine the Compressive Stress if Axial load only existed.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Mention the given data.

VIEW

Step 2: Determine the critical stress.

VIEW

Step 3: Determine the compressive stress.

VIEW

Solution

VIEW

Step by step

Solved in 4 steps with 12 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

The rigid bar BDE is supported by two links AB and CD. Link AB is made of aluminum (E = 70 GPa) and has a cross-sectional area of 519 mm2; link CE is made of steel (E = 200 GPa) and has a cross-sectional area of 619 mm?. For the 41 kN force shown, determine the deflection of B (mm) *deflection should have a negative sign if compression and positive if tension. Also, your final answer should have two decimal places 04 m 0.3 m E 0.4 m 0.2 m
2.54 The rigid bar AB of negligible weight is supported by a pin at 0. When the two steel rods are attached to the ends of the bar, there is a gap A between the lower end of the left rod and its pin support at C. After attachment, the strain in the left rod is 1.5 x 10-3. What is the length of the gap A? The cross-sectional areas are 300 mm? for rod AC and 250 mm² for rod BD. Use E = 200 GPa for steel. A B 0.75 m -1.5 m 2 m FIG. P2.53, P2.54
2.23 For the steel truss (E = 200 GPa) and loading shown, determine the deformations of members AB and AD, knowing that their cross-sectional areas are 2400 mm² and 1800 mm², respectively. A 4.0 m- B Q Search 228 kN D 4.0 m 1 2.5 m C a hp
Question 26 The truss shown below has a hinge support at point A, a horizontal roller at point B, and is subjected to two poin loads (P1 and P2). If P1 = 20 kN and P2 = 123 kN, what is the force, in kN, in member DE? NOTE: Enter a positive value if the member is in Tension and a negative value if the member is in Compression. A 60° B 4 m E 4 m. 4 m 60⁰ D P1 (kN) 2 P2 (KN)
The shaft is made of A992 steel. It has a diameter of 1.2 in and is supported by bearings at A and D, which allow free rotation. The shear modulus of elasticity for the material is 11 x 103 ksi. Determine the angle of twist of B with respect to D
Problem 01 The figure shows a truss which is pin connected at C and supported by a roller at D. It carries a vertical loads of 200 kN and 100 kN at joints A and E respectively. State if it is tensile or compressive. 4m D 2m A. E 200 kN 100 kN 6m 3m OCalculate the force in member DE. 2Calculate the force in member BE. 3 Calculate the force in member BC.
The static indeterminacy of the structure shown below is G F Hinge. С E B (A)Unstable (B) Stable, determinate (C) Stable, 5th degree indeterminate (D)Stable, 3rd degree indeterminate
Please show the Solution
Question 3: Determine the force in each member of the truss. Assume the members are pin connected at their ends. AE is constant. (Use Force Method of Analysis) 20 kN 30 kN 15 kN 4 m A 4 m 4 m
The two vertical steel [E = 200 GPa] rods that support rigid bar ABCD are initially free of stress. Rod (1) has an area of A1 = 410 mm2 and a length of L1 = 3.2 m. Rod (2) has an area of A2 = 355 mm2 and a length of L2 = 1.3 m. Assume dimensions of a = 3.4 m, b = 1.2 m, and c = 1.5 m. After a load of P = 50 kN is applied to the rigid bar at D, determine: (a) the normal stresses in rods (1) and (2) (b) the magnitude of the downward deflection of the rigid bar at D. y,v (2) L2 a B C D x,u Rigid bar |(1) Answer: (a) o1 = i MPa 02 = i MPa (b) VD = i mm
The two vertical steel [E = 200 GPa] rods that support rigid bar ABCD are initially free of stress. Rod (1) has an area of A₁ = 350 mm² and a length of L₁ = 2.1 m. Rod (2) has an area of A₂ = 375 mm² and a length of L₂ = 1.5 m. Assume dimensions of a = 3.2 m, b = 1.1 m, and c = 1.4 m. After a load of P = 130 kN is applied to the rigid bar at D, determine: (a) the normal stresses in rods (1) and (2) (b) the magnitude of the downward deflection of the rigid bar at D. y,v (2) a L2 Rigid bar L₁ Answer: (a) σ₁ = i 02= i (b) VD= i (1) B MPa MPa mm -X,U b C ↓ С D P
Using the method of joints, determine the force in each member of the truss shown below (solve for FAB, FAD, FBD, FDE, FBE, FBC, and FCE. Use the sign convention of negative for compression of the joint and positive for tension of the joint. 2000 lb 1000 lb + 12 ft-> A B -12 ft. D E Cl T 8 ft -12 ft- 6 ft 6 ft Hints: 1. The reaction at the roller support at E is 10,000 lbf upwards. 2. The reaction of the support at C is 7,000 lbf downwards.