Thank you for responding;
1. I did not specify a grout strength
2. I was told that the grout was 10,000 psi.
3. The corner under the side with the max reach has failed on the outboard side of the beam toward the center of the crane, the other corners have cracks near the corners of the grout...
I have designed a tower crane foundation with dunnage beams on bearing plates locked down with anchors. The bearing plates were installed on approximately 3" of grout. The grout is failing under all four bearing plates. The bearing plates are 26"x24"x1 1/4" and the grout pads are...
