Brief description of the content of the list of steel beam posts.

List of Steel beam Posts-part-4.

List of Steel beam Posts-part-4.

Collapse load for a simply supported beam.

You can click on any picture to enlarge then press the small arrow at the right to review all the other images as a slide show.

Introduction to plastic theory-part of list of steel beam posts-part-4.

This is the 31st post of the Steel beam Posts-part-4, which includes a solved problem, how to determine the plastic moment, and the collapse load value for a beam that is fixed at one end and has roller support at the other end, the beam is loaded by a concentrated load.


This is the link for post 31: Collapse load for a simply supported beam.

Easy illustration for collapse load for indeterminate beam.

Pict 2 List of steel beam part 4

This is the 32nd post of the Steel beam Posts-part-4 which includes a solved problem, how to determine the plastic moment, and the collapse load value for a beam that is fixed at one end and has roller support at the other end, the beam is loaded by a concentrated load.

This is the link for post 32: the Collapse load for the indeterminate beam. 

Upper bound and lower bound definitions.

Pict 3 List of steel beam part 4

There are two posts,33 and 33a-The two posts are among the Steel beam Posts-part-4 which includes the definitions of the lower bound & upper bound and the unique theorem. How to determine the relationship between the load factor and the distance from support for the same solved problem included in the previous post.

This is the link for post 33: the Upper bound and lower bound definitions.

Load factor and distance from the support relation.

This is the link for post-33a: Step-by-19 step introduction to lower bound and uniqueness.


Plastic Moment For Continous Beams.

Plastic Moment For Continous Beams.

This is the 34rth post of the Steel beam Posts-part-4 which includes How to determine the plastic moment and the collapse UL load for a continuous beam with equal spans? two methods are used, the first method is the statical method or the lower bound method and the second method is the Mechanism or the upper bound method.

This is the link for post 34:Plastic Moment For Continous Beams.


Solved Problem 8-22 For Plastic Moment.

 Solved Problem 8-22 For Plastic Moment.

This is the 35th post of the Steel beam Posts-part-4 which includes a solved problem, how to determine the collapse load value for a beam that is fixed at both ends, the beam is loaded by a concentrated load? two methods are used, the first method is the statical method or the lower bound method and the second method is the Mechanism or the upper bound method.

This is the link for post 35: Solved Problem 8-22 For Plastic Moment.


Solved problem 8-32 for the plastic Nominal Uniform load.

 Solved problem 8-32 for the plastic Nominal Uniform load.

This is the 36th post of the Steel beam Posts-part-4 which includes a solved problem, how to determine the collapse uniform load value for a given section of a simple beam that is partially loaded and is fixed at both ends?

Two methods are used, the first method is the statical method or the lower bound method and the second method is the Mechanism or the upper bound method.

The problem was further modified, relocation of the uniform load is made, and again the plastic nominal uniform load was estimated by the two methods. This is the link for post 36: Solved problem 8-32.


Solved problems 8-33&34 for the nominal uniform load.

Solved problem 8-33 for the nominal uniform load.

There are two posts,37 and 37a. These two posts are part of the steel beam Posts-part-4 which includes two solved problems- 8.33&8-34.

. Using the given section, all of the A992 steel and the plastic theory,  for the first problem 8.33- determine the value of Wn as indicated for a continuous beam with varying loading.

Solved problem 8-34 for the nominal uniform load.

While for the second problem #.8.34. Determines the value of Wn as indicated for a continuous beam with fixed from both ends under Wn loads?

This is the link for post 37: Solved problem, 8-33, for a nominal uniform load.

This is the link for post-37a: Solved problem, 8-34, for a nominal uniform load.

Solved Problem 10-1-Design Of Steel Section For Continuous Beam Part-1/4.

Solved Problem 10-1

This is the 38th post of the Steel beam Posts-part-4 which includes a solved problem 10-1 for a given continuous beam, it is required to select the lightest W-section available using the plastic analysis, and assuming full lateral support is provided for both the flanges.

Two methods are used, the first method is the statical method or the lower bound method and the second method is the Mechanism or the upper bound method.
This is the link for post-38: Solved problem 10-1 for Design Of Steel Section For Continuous Beam – Part-1/3.

Solved problem 10-1-design of steel continuous beam-2/4.

Solved problem 10-1-design of steel continuous beam-2-4.

This is post number 38a one of the Steel beam Posts-part-4 which includes how to derive a general expression for the moment values for a continuous beam by using the three-moment equations. This is the second part of the solved problem 10-1.

This is the link for post-38a: Solved problem 10-1-design of steel continuous beam –Part 2/4

39-Solved problem 10-1-use three-moment equations 3/4.

Solved problem 10-1-use three-moment equations 3/4.

This is the 39th post of the Steel beam Posts-part-4 which includes how to derive a general expression for the moment values for a continuous beam by using the three-moment equations. This is the second part of the solved problem 10-1.

This is the link for post-39: Solved problem 10-1-use three-moment equations 3/4.

40-Solved problem 10-1-design of steel sections 4/4.

Solved problem 10-1-design of steel sections 4/4.

This is the 40th post of the Steel beam Posts-part-4, which includes the design of the beam, using elastic analysis with service loads and the 0.90 rule, and assuming full lateral support is provided for both the flanges. This is the third part of the solved problem 10-1.


This is the link for post-40: Easy Design of steel section for continuous beam-4-4.

A very useful external resource A Beginner’s Guide to Structural Engineering

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