Yeah, square. It has embossments in it to capture the concrete and its twisted. We also find leaf springs, axles, miner's drill rods and everything else you can imagine used as rebar (thankfully little of this foolishness in my project)
SlideRuleEra, Thanks for the download!
Yes, the rails all over town have various sizes. The pieces in my project are 6 inches across the bottom flange (not dinky underground ore car rail).
Excellent point on the fatigue of the rails. I have seen pieces laying around here with brittle fracture of the flange, probably evidence of...
I am engaged in an historical house remodel and addition in a western US mining town. Builders 90 years ago used salvaged railroad rail as rebar in concrete retaining walls and also as structural beams. I would like to make an assessment of some existing structure and possibly add some...
