The material was placed in 1 foot lifts and compacted with a Wheel attached to an excavator, the material was moistures conditioned in the lay down yard and then brought to the site, this same process is used throughout the job site approximately 3 miles, just this issue in certain areas where...
Wanted to see if any one has any idea the cause of the settlement seen in the trench zone. Background the trench is approx. 10 feet and 21 feet deep the ground water table is usually at 10-12 feet. dewatered every 50 feet to draw down the water table to 21 feet below grade, pipe 60" sewer pipe...