Populations of bull sharks are also found in several major rivers, with more than 500 bull sharks thought to be living in the Brisbane River. One was reportedly seen swimming the flooded streets of Brisbane, Queensland, Australia, during the 2010-11 Queensland floods.
exists and is an alternate of . Making the world better, one answer at a time. You could put it through a fine strainer or a piece of mesh so that the sand will fall through and the gravel will stay on top. You could put it through a fine strainer or a piece of mesh so that the sand will fall through and the gravel will stay on top.
If you are just pouring a Slab without footings it is very important that you have firmly packed gravel, 4-6 and then about 6 of 3/4 stone, the 3/4 stone will allow the slab to float, and move, rather than crack when the gravel shifts.MichaeMike Â· 6 years ago. Thumbs up. 2. Thumbs down. 2. 1 comment. Loading ...f the soils are wet, or have a great deal of clay and therefore do not drain well, sand will actually keep moisture close to the underside of the slab by capillary action. You do not want this. Gravel provides pockets or voids for the water to travel down away from the concrete.