METHOD AND EQUIPMENT FOR RECYCLING SURPLUS SOIL

PROBLEM TO BE SOLVED: To regenerate surplus soil into backfilling earth or the like and recycle the same by screening the surplus soil from a civil engineering work site into earth and sand, concrete cinders for regeneration and waste, crushing the waste and mixing the concrete cinders and the like with earth and sand. SOLUTION: Surplus soil 5 containing concrete cinders and stones dug out of a civil engineering work site is screened into earth and sand, concrete cinders 11 of lumps of given dimension or smaller for regeneration, waste concrete cinders 12 of lumps larger than the given dimension and the like by a screen 7A or the like. The waste concrete cinders 12 are crushed by a crusher 9, and the screened again by the screen 7A or the like. Then the concrete cinders 11 for regeneration is mixed with earth and sand by the given ratio and regenerated into backfilling earth or banking earth.