In answer to XR250, no design, but I've built several retaining walls using rocks and boulders, no mortar. Height to 8 and 10 ft. Cheated a little with front face laid back a little. Numerous large concrete block walls with significant sloping front face can be found in Dubuque, IA. Cuts way...
dhengr: Well stated. As an old guy here I will not be around say 30 years from now, but I hate to think how dumbded down the engineers will be to have to use a computer or what ever is there in the future,instead of common sense. In the subject case, let's say the opening is 5" x 5". Some...
If you wish to build a simple gravity wall with masonry, a rule of thumb is the base (and all wall) width must be at least 1/3 the height. So for a 12 foot high wall it must be four feet thick (front to back) as SOLID MASONRY and all mortared together in one solid block. That means all cavities...
This is a problem that may or may not be correctly diagnosed by the poster.
Thus, any advice here may not be suitable. You are much better off to hire a local civil engineer versed in structures and soil engineering. I'll bet some important information about this is missing here. Missing...
Looking at the detail and considering the situation when that uplift resistance is needed, if the ground it saturated and temporary or permanent high water table is resent, reduce all materials weight if below the water table due to buoyancy. That reduction is the unit density of water...