PREVENTIVE DEVICE OF OUTFLOW OF CONCRETE AND FILING METHOD OF CONCRETE
PROBLEM TO BE SOLVED: To provide a preventive device of the outflow of concrete and a filling method of concrete exhibiting the epoch-making operation effect. SOLUTION: The preventive device of the outflow of concrete is so constituted that a blocking body 4 blocking an opening section 5 is detachab...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a preventive device of the outflow of concrete and a filling method of concrete exhibiting the epoch-making operation effect. SOLUTION: The preventive device of the outflow of concrete is so constituted that a blocking body 4 blocking an opening section 5 is detachably placed to the opening section 5 of a space S between a supporting 2 placed to the inside of a tunnel 1 and a ground section 3, the blocking body 4 is provided in accordance with an opening area of the opening section 5 in an expandable manner and that the outflow of a concrete 6 filled in the space S between the supporting 2 and the ground section 3 is prevented when the opening section 5 is blocked by the blocking body 4. COPYRIGHT: (C)2004,JPO |
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