I have never seen 500mm dowel bars, 400mm at most so a 250mm embedment is pretty rare. The hammer comes into play because forcing a dowel home into epoxy isn’t like putting a glove on, there is resistance, and it usually needs a few taps, although you mentioned a hole 3mm larger hole, opposed to...
Sometimes the detail specifies dowels ie one side of the bar unbonded, other times it’s a tied joint with epoxy, without clear indication of why the difference.
Doing mainly residential renovations, I figure a tied joint will perform better in the long run, if installed correctly?
The goal is to save money, time and effort. Bolts should be around 40% cheaper per hole, time is saved by only having one person putting in dowels rather than one squeezing glue and the other hammering dowels in, also holes don’t need to be cleaned out, and it’s much easier using a impact driver...
Hi, I’m a concrete contractor, regarding dowels for construction joints in pathway/ driveway slabs etc, I had an idea I wanted to float by some professionals... how effective would m12x200mm hex head bolts be at locking a new slab into existing, ie drill 12mm hole into existing and then use...
