Hello,
I m wondering what is the limit of lateral displacement of a portal in case we have a mobile gantry. In my case, the nominal capacity of the gantry is 6 Tons. So shall I take 1/200, 1/500 or 1/ 1000 ?
Many thanks
(sorry for my poor english)
Hello,
Anybody can help me!
I would like to have a clear definition of the TILT, SWAY conditions related to a SELF SUPPORTED PYLONS or MATS.
In other words what is the meaning of 2° of TILT and SWAY?
(what is the difference)
I m a little bit confused.
Many thanks
Dear DWHA.
I appreciate ur answer and I start having an idea how to deal with my case.
By the way, may be I will ask u a favor is to give me this example with refrences then i can be sur I m not making mistakes. But please feel free to do it or not. no pb.
Many many thanks
Dear rb1957
After googling PCD I got it.
Sorry for that actually is simple but as I m not familair with english vocabulary.... sometimes it appears I have nothing to do with structure design :-)
Nevermind, It makes me laugh.
Your reasonning is good.
I will check further about the hoop...
Hello gents,
Sorry for my poor English, I will do my best to describe my case I have to resolve.
I have a steel bracket devided by 4 pieces I need to tighten them around a concrete column (diameter 2.5m).
The 4 parts are bolted to one another by 6 bolts.
The height of the bracket is 0.6m
Each...
Hello everybody and really thank you for ur support.
What I igore is this formula about Hoop load, would you please expand or give me a site explaining it.
Also, I do not understand "R = radius of ring (of the bolts to be fussy)
" !!! why you take the radius of the bolt
to clarify my case ...
Dear Tbuelna,
I appreciate your clear reply. Actually I totally agree with your analysis. However the point I have no idea about it is how to be sure that the friction is maintained. In other words, how can I assess the tension on the bracket by tightening bolts to ensure the friction? Also...
Hello gents,
Sorry for my poor English, I will do my best to describe my case I have to resolve.
I have a steel ring devised by 4 pieces I need to tighten them around a concrete column.
The 4 parts are bolted to one another (say 6 bolts between each part).
The height of the ring is (say) 500...
