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RE: Wood Truss Reinforcement

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Mr. Greenlaw, 
I have worried about the parallel to grain splits you described.  On the other hand, what's your opinion about the possibility of staggered bolts actually causing this splitting as the moisture content drops and the wood shrinks?

Ed Fasula, E.I.T.

>... I always design a means of transversely clamping or "stitch bolting" the wood tension
>members so that they cannot split apart and release their bolts down the split, parallel
>to grain, as I have seen happen. This clamping is analogous to lateral confinement ties in
>concrete members...
>Charles O. Greenlaw SE