NDS appendix K and table 12A
large bearing surface → larger loads
wood-to-wood
bolt or lag bolt through center, dap or groove
"...'split' to provide simultaneous bearing on inner core and outer surface."
2-1/2-in. or 4-in. diameter
NDS appendix K and table 12B
wood-to-wood or wood-to-metal
plate in each wood member, flush with surface
easier to assemble or disassemble
can be used in end grain
2-5/8-in. or 4-in. diameter
Advantages / Disadvantages
higher adjusted design values than bolted connections
special fabrication equipment; limited by fabrication costs
much less common - glulam arches, heavy timber trusses
steep arch flat arch threaded rod dowel + tie plate
