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How to calculate the bolt diameter required to resist uplift forces.
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- čas přidán 20. 05. 2021
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Using a worked example | we will demonstrate how to calculate the minimum bolt diameter required to resist uplift forces.
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Another amazing video SEcalcs!!
Thank you for posting. Great content! :)
Your videos are like brain tonic for structural engineers✌️
Nice explanation. In the old AISC allowance stress design, you could just look up the tension or shear allowables for any size bolt. But this is a good refresher as to how those values are derived. 👍
so simple!!!, thanks man!
Thanks for this.
Thanks for simplifying these calculations. Can you please advise the code or standard where you referred this formula from?
Short and sweet
Amazing and Thanks a lottt for this video. I am going to get a coffee for you right now.
Thank You
awesome bro 👏
good stuff.
Great and informative.. can you make a video on right spacing/distancing of bolt use as anchor point to achieve its maximum strength..thank you
nice channel
Great!
Could you share the reference code/standard of above formula?
Thank you so much sir, but i am request you to prepare tutorial on minimum embedded length of anchor bolt
Easy to understand for bolt diamter however i have question related how you determine depth of rock anchor with example?
dear sir please add video for design of footing and column subjected to uplift as in case of trussed buildings subjected to wind uplift
Great explanation.
You are a very good teacher.
Thank you very much.
How to calculate the small cap plate thickess welded on an Shs 50 profile which also needs mounting feet to be welde on it , as in a case of a platform
Would it be possible to do one where concrete breakout is considered?
Great ¡ really easy to understand and straight to the point.
What about when there is a combination of tensile and shear stress on bolt due a moment on the base?, Thanks
Did you ever get the response on this, great question.
In that case (general case), you have to make use of the Bolt interaction curve - Combined shear and tension Fv,Ed / Fv,Rd + (Ft,Ed / Ft,Rd) / 1.4 ≤ 1.0
Great Calculation, could you please share the reference of the formula?
Great I really easy to understand and straight to the point it feels me very very easy.
What is 0.9 value from where is coming?
k2 is a coefficient that takes values k2 = 0.63 for countersunk bolts or k2 = 0.9 otherwise. (EN1993-1-8 Table 3.4)
Could ypo please make a video to calculate the bolt diameter required to resist internal pressure
What are your references for the formula used? Which books?
Where did find tension area of the bolt? Please tell me standard or something, thanks
why you did not include anchorage bond length of the bolt?
Which books do you use ?
Thank u.. Very useful ..but how caleculate distant bolt in concrete base
Thanks for your comment. We will do a video to take your through the steps!
How to calculate the proper length of the bolt in order to correspond the strength of the cross section?
Can you please continue the table up to 32 mm dia bolt with respect to tension area....
Hero mani
Highly over simplified formula! What is the bolt pretension?
So, while calculating the bolt sizes and it's adequacy don't we need to check the bolt against Horizontal Shear force at base level ? It may be critical considering shear force too. What's your view regarding it. Please elaborate. Thank you
Thank you for your comment.This example is merely to explain how to work out the bolt size which is mainly subjected to uplift. The shear force has not been considered in this example however the worst case dictates the design. If there is a shear force you would have to include this in your design!
Times another 0.8 roughly?
Thanks for the video, may you do a simplified analysis of multispan pitched portal frames
Thanks for your comment. Added to our list. Stay tuned!
Could you share a source for the Ft formula? From what book/journal did you get it from?
EN1993-1-8 Table 3.4
Good Video, but what does this mean for bending moments and concrete? Its very simple to calculate the diameter, but thats not enough.
Thank you for your comment! You are correct that calculating the diameter of the holding down bolts is not enough to ensure the stability & strength of a structure. In addition to the diameter of the bolts, it is also important to consider the bending moments & concrete in the design of a structure.
We just uploaded a new video that might be of interest to you. It covers the importance of holding down bolts in construction & how to calculate their tension capacity & pull-out resistance. We hope you find it helpful and informative. Thanks for watching!
Iam looking for gusset plate calculation. Can you make tutorial for gusset plate design. Thank you
Thank you for your comment! I appreciate your interest in gusset plate calculation and design. It's a valuable topic, and we will definitely consider covering it in the future. Stay tuned for updates on our channel, and feel free to let us know if you have any other specific topics you'd like us to cover. Thank you for your support!
Which standart do you use for calculate? AISC, Eurocode etc ?
Eurocode
@@orfeaspapaioannou2755 Any particular Eurocode?
@@AkshayVVP ec 3 for steel structures
Eurocode EN 1993 - 1 - 8 cl 3.1
How do we calculate Uplift force? Is there any math for that?