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Welded AND Bolted Joints
3

Welded AND Bolted Joints

Welded AND Bolted Joints

(OP)
Are welded and bolted joints a bad combination, or can they be used successfully together?
Or is it bad practice.  If so, or not, will you kindly give me an example?

I would imagine if the weld was weaker than the bolted joint or vice versa it could be an issue?

Thanks in advance,

13

RE: Welded AND Bolted Joints

Refer to AISC LRFD 3rd. J1.9. It states bolts may only be considered as sharing the load with welds if the bolts are in a slip critical connection. A307 and bearing type connections are not to be proportioned as sharing the load with the welds

RE: Welded AND Bolted Joints

3
Also, the web site below provides a download link for a free book titled “Guide to Design Criteria for Bolted and Riveted Joints", 2nd Edition.

Very well written and covers both welded and bolted or riveted joint design, and load capacity.

http://www.boltcouncil.org/guide1.htm

RE: Welded AND Bolted Joints

(OP)
Thanks! For such a quick reply.

No such luck, though with my refractory bend table questions!

RE: Welded AND Bolted Joints

In aerial devices it is common for hydraulic cylinders used in a tension application to have the rod end of the cylinder to be attached with both a threaded connection and a weld. The joint is designed with ability to live either with the welded joint or the threaded joint. The reason for this design is the mode of failure (rapid seperation without warning). The company I worked for never experienced such a failure but was one of the design criteria for a hydraulic cylinder in tension.

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