I went out to the site this morning and they had not installed any stone columns in the last 3 days. The ground surface was very stiff (especially right around the stone columns) and the surfical soils were not pumping.. They did a plate load test up to about 30 kips with a little more than a...
I am involved with a small project in which vibratory stone columns were selected to improve the soils for support of shallow foundations. The soils consist of a silt (ML) in the upper 20 feet. (Avg N=5, M% - 22-28, DD = 95 pcf, no atterbergs were run). Below that the soils continue to be soft...