Is anyone aware of timber grading systems for small section timbers - 50x50mm (2"X2") or less? These fall outside the usual C16, C24 system I am used to in the UK/EU. Maybe for non-structural contexts?
Reason: client wants a geodesic greenhouse in timber.
I'd be interested to hear people's ideas on how cross-ridge wind loads are transferred to shear/gable walls in pitched roofs. Two scenarios
1) 45deg pitch with ridge beam and timber frame walls. I am seeing a substantial lateral load on the ridge beam causing minor axis bending, transferred to...