I NEED A HELP ON TRUSS CONNECTION

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Iam trying to search but no results

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You searched "space frame" on the internet and you found nothing?

I did but there is no connection which will fit this, I think I have to learn to design welded connection in RAM because RAM does not design bolt connection for trusses.

Tamboli has a decent section on space frame connections (written by Laurence Kloiber) in chapter 7 of his Handbook of Structural Steel Connection Design & Details. If you model portions of the joint in RAM Connection, you'll need to account for interaction effects manually. If these are tubular members, the tube wall flexibility can be particularly problematic, as can effective throats of welds on some joints at a connection. Cast Connex has actually started producing a cast solid block to act as a node for the large space frames because of the issues with fracture susceptibility under triaxial loading at these joints. 

If you're wanting a software that can handle multi-axial welded or bolted joints and account for all the interaction effects automatically, you'll probably need to use something like Idea Statica Connection, which is a finite element-based connection design program. Pretty open-ended in that if you can detail the joint, it can analyze it. It can take a lot longer than RAM Connection because you're building a joint piece by piece from scratch, but it's been my go-to program for several years now for all the "non-typical" connections that are becoming more common on projects nowadays. Hope that helps.

Tamboli has a decent section on space frame connections (written by Laurence Kloiber) in chapter 7 of his Handbook of Structural Steel Connection Design & Details. If you model portions of the joint in RAM Connection, you'll need to account for interaction effects manually. If these are tubular members, the tube wall flexibility can be particularly problematic, as can effective throats of welds on some joints at a connection. Cast Connex has actually started producing a cast solid block to act as a node for the large space frames because of the issues with fracture susceptibility under triaxial loading at these joints. 

If you're wanting a software that can handle multi-axial welded or bolted joints and account for all the interaction effects automatically, you'll probably need to use something like Idea Statica Connection, which is a finite element-based connection design program. Pretty open-ended in that if you can detail the joint, it can analyze it. It can take a lot longer than RAM Connection because you're building a joint piece by piece from scratch, but it's been my go-to program for several years now for all the "non-typical" connections that are becoming more common on projects nowadays. Hope that helps.