size of crushed stone for road

  • Crushed stone - Wikipedia

    Crushed stone. Jump to navigation Jump to search. 20 millimetre crushed stone, for construction aggregate and landscape uses. Crushed stone or angular rock is a form of construction aggregate, typically produced by mining a suitable rock deposit and breaking the removed rock down to the desired size using crushers.

  • What materials are used for road construction? - Quora

    It contains stone aggregates of size 40mm, 20mm, 10mm, stone dust etc mixed well in standard proportion. It consists of clean, crushed, graded aggregates premixed with other granular materials and water and rolled to a dense mass on a prepared surface. The thickness is generally kept 250mm.

  • Best Gravel for Your Driveway - 9 Top Options - Bob Vila

    Crushed Stone #411. Crushed stone #411, which is a mixture of #57 stone and coarse rock dust, is a good option for this top layer. This blend of small stones and rock dust will fit tightly together as the stones settle, forming a stable, solid surface that can stand up to heavy vehicles.