What Is Coarse Grade Vermiculite? Coarse vermiculite improves soil’s ability to nourish plants by improving its water retention and aeration. Vermiculite is a natural mica mineral that expands under extreme heat. Loosens soil, allowing roots to spread and grow. A great option for seed germination and cutting propagation. What are the different grades of vermiculite?
Can Compaction Be More Than 100? This can range from 90 percent to over 100 percent. Modified compaction tests have also been introduced in connection with structures requiring heavier bearing strength to support extremely heavy loads or to limit settlement. Is it possible for a relative compaction greater than 100 %? Why? In fact, relative
What Is The Difference Between Standard And Modified Proctor Tests? The main difference in the two tests are that the standard Proctor test uses a 5.5-lb hammer dropping a distance of 12 in, whereas the modified Proctor uses a 10-lb hammer dropping 18 in. The difference is to simulate either light rollers or tamping for