ASME has been defining crane safety since BTH-1 provides minimum structural and mechanical design and electrical component selection criteria for. Design of Below-the-Hook Lifting Devices by pvchabot. Documents Similar To Asme Bth Design of Below-The-hook Lifting Devices. ASME BTH Uploaded by. pvchabot · ASME BTH-1 Lifting Lug.
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You’ll see that there is no criteria for checking whether the section is compact or non-compact. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Already Subscribed to this document. Instead, you’re checking for a glocal buckling Lateral torsion buckling mode of the plate. Your force diagram assumes that the pin dia and the pin hole dia are the same The Eng-Tips staff will check btb out and take appropriate action.
I’m not sure LTB of a lug could ever happen unless 20008 had a really funky looking lugI would probably just use the full plastic capacity of the pad eye. The base of my lugs will be wider, however, to be conservative I am designing with a constant width plate for now. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. I have never seen a lifting lug that would not be classified as compact by a long shot.
This standard is not included in any packages. Any help would be appreciated.
Back-calculate a t required to ensure a compact behavior and you go from there. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.
Your Alert Profile lists the documents that will be monitored. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Red Flag This Post Please let us know here why this post is inappropriate. I also need to determine this for a flexion analysis in the weak axis.
ASME BTH – Design of Below-the-Hook Lifting Devices
I think what I posted above is correct but WillisV and others posts are right on – buckling isn’t really an issue with lugs like this unless the plate is thin wsme the lug is really long and extended.
The lug is as per figure C Alternatively, I will survive without see it.
Hi All, Thanks for your help. Join your peers on the Internet’s largest technical engineering professional community.
Therfore it is inherently compact. By joining you are opting in to receive e-mail. Download Now White Paper: As the voice of the U.
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This standard is also available to be included in Standards Subscriptions. Digital Transformation may be defined in a number of tbh ways by analysts or enterprise software vendors. Almost invariably, pin bearing, shear and yielding adme the area of the pin, and good quality welding detailing controls the design of lifting lugs. The next available drill size will be used to make the hole slightly larger than the pin.
Hi JAE, Thanks for the reply. Usually the 20008 is the length of the free, unstiffened edge which undergoes compression. The problem I have is that it’s not clear to me if I am dealing with a compact or non-compact section as per table Are you an Engineering professional? That is the governing provision for square plates. Defense manufacturing is all about project manufacturing and project accounting. Please first log in with a verified email before subscribing to alerts.
Their thickness is generally driven by bearing checks on the pin hole that make this plate much much stockier than typical structural elements. You may delete a document from your Alert Profile at any time. Posting Guidelines Promoting, selling, recruiting, coursework and asms posting is forbidden.
The provisions in this Standard apply to the design or modification of below-the-hook lifting devices. Thanks again, of course further comment is always welcome. In your case, Btg would see the azme distance as the straight vertical edge to the base center of hole to base weld line. Provides minimum structural and mechanical design and electrical component selection criteria for ASME B Register now while it’s still free!
I think some of you above need a thanks from me – getting my head out of the sand. I select the closest available Crosby G shackle for the load. For now, I am working on a single case and detailing the calculations.
Asme Bth-1-2008 Design of Below-The-hook Lifting Devices
If the document is revised or amended, you will be notified by email. Even then, I wonder about how much compression would even get into the lug with an angled hanging “tensile” load.
It’s easy to join and it’s free. WillisV, Agreed, this makes sense to me despite being a mechie.