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James Swanson
Registrace 25. 05. 2008
STR02 Shear Force and Bending Moment Diagrams w Example 01
Drawing Shear Force and Bending Moment Diagrams.
In this presentation we will introduce shear force and bending moment diagrams that are used for the design of members. We’ll start off with a discussion of the sign conventions that are used for internal shear forces and bending moments, then use a method of sections to plot the internal shear force and bending moment over the length of an example beam. Next, we’ll examine theoretical relationships between applied loads, internal shear forces, and internal bending moments by evaluating equilibrium equations associated with a differential beam element. After that, we’ll introduce a set of rules that can be used to draw shear force and bending moment diagrams more quickly than by using the method of sections and finally, we’ll conclude by using those rules to draw the shear force and bending moment diagrams for the example beam.
0:54 - Sign Convention for Internal Actions
4:42 - Example SF and BMD using Method of Sections
15:38 - Differential Beam Segment
19:20 - Rules for Drawing Shear Force and Bending Moment Diagrams
24:53 - Example SF and BMD using Jimbo’s Rules
31:34 - Finding the Location of an Inflection Point
In this presentation we will introduce shear force and bending moment diagrams that are used for the design of members. We’ll start off with a discussion of the sign conventions that are used for internal shear forces and bending moments, then use a method of sections to plot the internal shear force and bending moment over the length of an example beam. Next, we’ll examine theoretical relationships between applied loads, internal shear forces, and internal bending moments by evaluating equilibrium equations associated with a differential beam element. After that, we’ll introduce a set of rules that can be used to draw shear force and bending moment diagrams more quickly than by using the method of sections and finally, we’ll conclude by using those rules to draw the shear force and bending moment diagrams for the example beam.
0:54 - Sign Convention for Internal Actions
4:42 - Example SF and BMD using Method of Sections
15:38 - Differential Beam Segment
19:20 - Rules for Drawing Shear Force and Bending Moment Diagrams
24:53 - Example SF and BMD using Jimbo’s Rules
31:34 - Finding the Location of an Inflection Point
zhlédnutí: 180
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Your video was highly informative for a beginner like me. It was very helpful for understanding the load combination with concept. I would also like to know how the self straining load will affect these permutations as in the clause 2.3.4 it is state that "T shall be considered in combination with other loads". Thank you once again for informative presentation.
Great videos! Look forward to seeing more of these lectures.
Nice lectures. Thank you! I'm curious how did come up with the different permutations of different combinations of loading?
Ct should be 1.1
thanx a lot Dr.
thanx a lot Dr. cant thank you enough
where to find the rest of this course Sir ?
Fantastic stuff , thank you very much Sir
Hi expert, What is the "S" in the formular: Sum(M)/S < Fy/1.67
S is the elastic section modulus, which is the 2nd moment of inertia, I, divided by the distance from the neutral axis of the section to the fiber at which the bending stress is being calculated, c.
Dear Sir, I must appreciate your way of making concepts understandable to students. Hope you keep doing this good work for the benefit of the structural engineering community.
By searching on the internet, it obviously says that Pg for Cleveland is 30 psf. So how should we decide to choose the appropriate Pg?
The easiest way, at least in the US, is to use the ASCE Online Hazard Tool. ascehazardtool.org/
Nice presentation, however in a particular design case I am concerned about impact loading due to a sizable portion of snow falling from 15 to 29 feet. Any idea how to deal with this condirion? Thanks for your input. P Gillespie PE
How can I contact with you?
May I have your mail?
Thank you so much! Your videos make it easier for me.
Thank you, this session was very informative. Where can I get other lectures which contain explanations of AISC 7-16 chapter 27-31.
Can not find the next lecture
I don’t have any additional seismic lectures posted yet, but I hope to post some with updates to ASCE 7-22 soon. In the meantime, here are three example problems that are available worked out according to ASCE 7-16. Example #2 Completed per ASCE 7-16 - czcams.com/video/BIcoHWpofDg/video.html Example #4 Completed per ASCE 7-16 - czcams.com/video/pKhLfNnvM1k/video.html Example #5 Completed per ASCE 7-16 - czcams.com/video/R31oxn467Vg/video.html
Appreciate illustration from Cambodia
Thank you so much for this clear explanation
Very informative
Nice explanation
Nice explanation
Thank you for this tutorial
Thank you for posting this excellent resource! I am trying to study for the SE vertical breadth section, and this serves as a great introductory to ASCE 7 snow loads, since I never deal with this at all.
Nice video. Can you explain partial loading in detail
Very informative
Highly informative
Very nice video once again. Sir one correction is required while calculating F sub x, the base shear value of 140.9Kips be used instead of 300 Kips. Please refer to time 7:26 of the video. Regards.
Simply excellent
Excellent explanation. Keep it up. Way of communicating the concepts is simply fantastic
Nice information. Highly appreciated.
Thank you for the explanation. Can we get the excel sheet?
Got it. Very nice explanation
Where is the Example 1 of this series?
czcams.com/video/IrUvvosaDgs/video.html
Thanks!!! That is so much easier to understand than other videos.
Tks Sir.
Thanks for the great lectures 🎉🎉 quick question: Shall we divide 15 ft for sliding snow load so have psf unit?
u r a live savior ma broda, thanks alot
For the 4 on 12 slope roof example. Would the (pf) flat roof snow load govern? Because pf = 18.5 psf is greater than ps = 15.9 psf? I thought the larger load would be applied to the roof.
Great lecture ,thanks
Sir, It was a really great presentation. Thanks a lot.
Really great. Please solve some examples about calculating wind load for modeling in softwares. Thanks a lot.
You are doing a great job... conceptual and to the point. This is so informative and helpful...Thank you so much!! Regards
AND HOW DID YOU TOOK THE INTEGRAL LIMITS AS H/2??
CAN YOU ATTACH THE EQUATION SHEET IN THE DESCRPTION!!
Thanks a lot , your videos are a great help
I'm glad that you like them! Thanks for Watching!
Informative Thank You
Thank you so much! I'm a young engineering student trying to learn all of the design loads and these videos are incredibly helpful!