I was curious what ideas you guys may have for rock anchors in a Karst environment. Borings indicated a variable limestone but once through the upper few feet was fairly consistent. I have some anchors that are consistently not getting grout return after +3X theoretical grout volume with...
FHWA gives guidance of a micropile attaining full head fixity at 24" of embedment. With a top plate attached and threaded bar/nut/ embedded into the pile, could the connection not be designed for fixity with a lesser pile cap embedment? Basically check that breakout on the bottom side of the...
I have had some conversations about a concrete anchorage breakout with another engineer. The issue is (for example) you have anchorage into large footing or other large concrete mass and you have a solid concrete wall that sits on the projected failure area, how does it affect your breakout...
