We have a 30 inch pipe in a trench base between 5 & 6 m deep for a stretch approximately 300 m in length. Muskeg encounter at around 4.5 m ( i.e 0.5 to 1 m above design elevation). The area above the pipe is supposed to be a lay-down with light or moderate traffic. The area had been under...
JuniorM, was the proctor done based on method D since it is more than 30% OS ? if yes I assume that the 2270 is with the OS, correct me if i am wrong.
I never heard of correcting down a field dry density, its always correcting the proctor dry density to count for the over size. your field...
The material passing the #200 will always be more if you taking the material after compaction. The plant and QA should take the sample at the same time and same location. The material need to meet the conveyor belt and if so it does not mean that material will meet the spec. after...
The 100% compaction on your silty clay materiel will not solve the issue. Before placing your concrete slab you should have 200 mm of Non-Frost Susceptible (NFS) compacted to minimume of 98% SPDD to prevent heaving on the winter.
