| 摘要 |
PROBLEM TO BE SOLVED: To provide a purifying creating method for a land, by which a borrow material and a banking are purified for a prolonged term even under the contaminated state and a differential settlement is also prevented in the case of a borrow-material creating or a banking creating. SOLUTION: In the purifying creating method for the land, a purifying base material coated with an artificial zeolite pulverulent body, which has a mean grain size of 10 to 100μm, a specific surface area of 80 m<SP>2</SP>/g or more and a basic substituting capacity (meq/100 g) of 200 mg or more on the whole base composed of a textile, a knitted good or a nonwoven fabric, at a coating weight ratio of at least 50 g/m<SP>2</SP>or more so that the water-absorption absorptivity of the pulverulent body is not obstructed and a water permeability is held is laid at proper sites on a creating base and in the borrow material or in the banking in the case of the borrow-material creating or the banking creating. COPYRIGHT: (C)2005,JPO&NCIPI
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