I am building a stone and mortar perimeter wall around a military base. All of the mortar is testing good at 7 days as I wait for the 28 day results. That is except for the first days mortar where the strenth is 500psi at 7 days vs 900-1100 psi at seven days for subsequent day's samples. The...
I am working on a Corps of Engineers project where every reference to backfilling calls for achieving 95% of a modified proctor. The grading contractor has a contract for grading but not for backfilling. In the cut and fill of grading, doesn't this contractor have to achieve the 95% compaction...
I am working on a project where I have to compact my soil to 95% of a modified proctor within a moisture range of + or - 1.5%. In my case this works out to 5% to 8%. I am having trouble increasing the moisture percentage to above 5%. Besides having to perform more work to achieve compaction...
