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Method of hollow shinso foundation using the air bag
Method of hollow shinso foundation using the air bag
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机译：使用气囊的空心新庄基础的方法
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摘要
PURPOSE: To make it easy to dispose of excavated soil by inserting an air bag in a specified position of an excavated hole, placing concrete in a space between the inner circumferential face of the hole and the outer circumferential face of the air bag in a condition where air is supplied, pulling up the air bag and forming a hollow part. ;CONSTITUTION: A steel-made mold for positioning the lower part of an inner mold 8 using an air bag 7 is mounted on the bottom part of a previously excavated cylindrical hole, and concrete 6 of an lower base is placed on the lower part of the steel-made mold. Next, the inner mold 8 is inserted in a specified position, air is supplied to the air bag 7 through an air hose 10 and an air valve 11, and concrete 12 is placed between the outer circumferential face of the inner mold 8 and the inner circumferential face of the hole. After hardening of the concrete the air in the air bag is extracted therefrom, the air bag is pulled out from the hole, and a hollow part surrounded by the concrete is formed. Next, the inner mold 8 is inserted in the upper half of the hole, concrete 13 is placed, a hollow deep basis having the hollow part is formed in the hole, and the hollow part is buckfilled with the soil as excavated from the hole.;COPYRIGHT: (C)1996,JPO
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