Sam Spade wrote:
Cummins12V98 wrote:
Pea grave once placed is 100 percent compacted and provides great drainage.
Maybe we have a terminology problem here but Pea gravel does not compact AT ALL as evidenced by the "great drainage" and allows rather rapid water movement under your slab.
When water moves, it takes "stuff" with it. If you do this on a grade where there is heavy and frequent water flow it probably is just a matter of time until the underlying soil starts moving with the water.
If you don't have a lot of water movement, you may not have a problem.
Did you read what the conditions were where I mentioned using Pea Gravel? Every condition I mentioned using Pea Gravel is completely acceptable and is a big labor saver. 35 years under my belt in the Construction Industry building many Tenant Improvements and ground up buildings including the site work.A little creativity sometimes can save BIG $ and be a better product for the conditions.
YES once placed Pea Gravel is at 100 percent compaction.
I think you are trying to pick fly sh!t out of the pepper bowl!