how much pressure is needed to crush stone

  • Crushed Stone vs. Quarry Process vs. Stone Dust

    2 1/2 inch crushed stone – mainly used to prevent erosion on roadsides and in drainage ditches, also often laid at the entrance to long-term construction projects. Quarry Process. Quarry process, also known as QP, dense grade aggregate (DGA), crusher run and road stone, is a combination of small, 3/4-inch-or-less crushed stone and stone dust.

  • How much pressure can be applied to glass before it breaks ...

    Jan 12, 2010 · Best Answer: Uniform pressure on a piece of glass does not cause it to break. You can drop a piece of glass into the deepest gorge under the ocean, and the glass will not crack. It just gets all its atoms pushed closer together. I suspect you are thinking of pressure on .