Thanks for quick responses.
We are reviewing a report done by someone else and will probabaly take it over. The N values in the upper sandy silt/silty sand layers are generally around 10. The depth generally ranged from 4 to 5 m. The soft clay is 21 m. Two consolidation tests were done...
I have a project with a compact sand 4 m over 21 m soft clay. The point load is 1400 kN. The size of the footing is to be 3 m by 3 m. if the footing is too close to the soft clay. It will cause the punching failure of the compact sand and then overstressing the soft clay.
I searched the...