I'm looking for advice on the design pressures for a wall in a condition shown in the attachment. The wall is being cut into over-excavated rock so that waterproofing can be applied to the back side of the wall. The rock produces no lateral pressure and there is only a limited width of soil...
Hello,
Contractor wants to place a mud mat under a cantilever retaining wall footing. I'm ok with that in principle but was wondering if I should require a minimum thickness and if so, why. Frankly, I'm more concerned about the effect on the coefficient of friction for sliding. Does it make...
Hello,
I've been asked to evaluate whether a 6 foot wide by 24" deep continuous footing under a wall can be strengthened with mini/pin piles drilled through the footing on each side of the walls 15" away from the face. Piles are 2-by-2 along the wall spaced 5 feet apart, plus/minus depending on...
Hello.
We had to over-excavate for retaining wall footings in Atlanta while chasing competent bearing soil. The contractor wants to use a lean concrete to fill the over-excavation and submitted a mix design that has a w/c ratio of 1.06 for 1000 psi.
Info I've found about lean concrete just...
