Laminated Bridge Cap Construction

[Roger Jolly]

Hi Terry,
              Buy Delignite bridge cap material, and thickness plane it. 
Usually it's just a mm or so that I take off.
Regards Roger


At 08:12 PM 3/14/2003 -0500, you wrote:
>To: Laminated Bridge Cap Builders
>
>Do you folks make up a sheet of capping material and then cut it up like a 
>regular bridge cap? With that method, you could treat it just like 
>traditional bridge capping and make the cap for the long bridge out of 
>several pieces, or you could cut it out in one piece, but then you won't 
>have preferable grain orientation. I would imagine anyone doing it this 
>way would then have a two or three piece bridge cap?
>
>Or do you cut the individual laminates to conform to the bridge curve 
>first. Each laminate layer might be made of three or four pieces. 
>Successive layers would have the 1.5 mm-thick butt joints offset from one 
>another (staggered). Then laminate it together. That way you make each cap 
>custom fit for the bridge and you get preferred grain angles, and a strong 
>one piece cap for the entire long bridge. That is the way I am doing mine, 
>although I suspect it is not the way others are doing it.
>
>Enlighten us.
>
>Terry Farrell
>_______________________________________________
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