So I understand the cohesiveness of clay is another factor that needs to be considered. It appears the analysis used the soil "friction angle" and wall dimensions (and weight) to come up with a FOS. I think the same basic formulas were used for clay and granular fill. Unfortunately I don't...
This has been an ongoing issue for the past three years since one big collapse of a ~12-foot wall after a torrential rainstorm. Part of the aftermath of that collapse was that an insurance company refused to pay due to an analysis that showed the wall was faulty to begin with. That big...
I am a homeowner in a subdivision that has gravity retaining walls that are between 3 and 5 years old. (Not a geotech engineer, sorry if that is a problem.) The walls range from a foot high to about fifteen feet in height. The soil type in this area is clay. There were several collapses 3-4...
