lateral torsional buckling

9d-Practice problem 5-5-8-Compute Mn.

July 24, 2025August 9, 2024 by Maged kamel

Brief desription of the content of post 9d- Find nominal Flexture strength.

Practice problem 5-5-8 A W18 x 71 is used as a beam with an unbraced length of 9 feet. Use Fy=65 ksi and Cb = 1 and compute the nominal flexural strength.

9c-Practice problem 5-5-6-Compute Lp and Lr and φb*Mn.

March 16, 2025August 9, 2024 by Maged kamel

Brief desription of the content of post 9c-solved problem 5-5-6.

Practice problem 5-5-6 A W12 x 30 of A992 steel has an unbraced length of 10 feet. Using Cb = 1.0, a. Compute Lp and Lr. Find φb*Mn and Mn/Ωb for lb=10 feet.

14- Find the Flexture Strength: Analysis Problem 9-7-lb>lr.

April 4, 2025September 10, 2020 by Maged kamel

Brief data for post 14 -steel beam

Find the flexure strength-solved problem 9- 7-Lb is bigger than Lr. A step-by-step guide to detrmine the flexture strength Fcr and Mrx.

13-Solved problem 4-6-how to find the available flexure strength?

July 24, 2025September 7, 2020 by Maged kamel

Brief data for post 13 -steel beam

Solved problem 4-6- how to get the available flexure strength for a beam? this is an analysis problem, bracings distances are >Lp but less than Lr.

12- Easy introduction to plastic bracing length Lp, Lr, Fcr.

March 30, 2025September 1, 2020 by Maged kamel

Brief illustration for Post 12.

Review of the information of Lp, Lr, Fcr, what are the relating equation for each item? a practice example is given for illustration of the subject.

10a- Regions for Lateral-torsional buckling for beams -2/2.

August 11, 2024August 12, 2020 by Maged kamel

Brief content fpor post 10a-steel beams.

We have three Regions for Lateral-torsional buckling for beams. A new item is discussed which is moment gradient cb.

10-Step by step guide to Lateral-torsional buckling.

June 17, 2024August 10, 2020 by Maged kamel

Brief data for post 10-steel beam

Lateral-torsional buckling is the overall instability of a beam, includes twisting of the member and lateral buckling of the compression flange.