Subject:
|
Re: Truss Joint Construction Details
|
Newsgroups:
|
lugnet.technic
|
Date:
|
Thu, 14 Mar 2002 22:15:32 GMT
|
Viewed:
|
2122 times
|
| |
|
|
That was just an idea that struck my head, I dont have any plans to build a
brigde, but I want to build a crane someday...
"Thomas Avery" <thomas.avery@intec-hou.com> wrote in message
news:GszDHs.JyM@lugnet.com...
> In lugnet.technic, Jan-Tore Skålvik writes:
> > http://www.brickshelf.com/cgi-bin/gallery.cgi?f=13558¨¨
> >
> > check this out!
> > I think this might help you alittlebit!
> > regards
> > jt
>
> Thanks JT!
>
> You can make things a little easier by not connecting all the member ends • at
> one common point (like you did with the diagonal connection). Also, take a
> look at Ross' truss bridge:
> http://www.lugnet.com/~469/projects/archbr
>
> The joints don't meet at a common point, or rather, you don't have perfect
> triangles. This weakens the structure as you now have a lot of bending
> moment in your members. However, considering Lego applications, this
> construction is relatively strong and should be adequate.
>
> For simple truss designs, where the top and bottom chords are parallel,
> construction is fairly simple:
> http://www.texbrick.com/ideas/truss/truss_ideas.html
>
> My white bridge has joints where up to 5 different members at different
> angles are joined together. This makes for a very difficult joint.
>
> One other note about "non-common center" joints, it makes any sort of
> calculation more difficult. For my white bridge, I calculated the geometry
> (and sized the members) prior to construction. The calculation was simple
> because the whole thing was just a series of triangles. If you're going to
> work with 4-sided elements, then it's a little more complicated.
>
> TJ
|
|
Message has 1 Reply:
Message is in Reply To:
 | | Re: Truss Joint Construction Details
|
| (...) Thanks JT! You can make things a little easier by not connecting all the member ends at one common point (like you did with the diagonal connection). Also, take a look at Ross' truss bridge: (URL) joints don't meet at a common point, or (...) (25 years ago, 14-Mar-02, to lugnet.technic)
|
18 Messages in This Thread:
 
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
This Message and its Replies on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
