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DEVICE AND METHOD FOR DRILLING HOLE IN REINFORCED CONCRETE, REINFORCED CONCRETE MEMBER, AND METHOD AND STRUCTURE FOR FIXING ANCHOR TO HOLE DRILLED IN REINFORCED CONCRETE
DEVICE AND METHOD FOR DRILLING HOLE IN REINFORCED CONCRETE, REINFORCED CONCRETE MEMBER, AND METHOD AND STRUCTURE FOR FIXING ANCHOR TO HOLE DRILLED IN REINFORCED CONCRETE
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机译:在钢筋混凝土中钻孔的装置,方法,钢筋混凝土构件以及在钢筋混凝土中钻孔的固定锚杆的方法和结构
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摘要
PROBLEM TO BE SOLVED: To drill a hole in reinforced concrete while avoiding a hindrance such as a reinforcing bar inside the reinforced concrete, even if a position to drill the hole in the reinforced concrete interferes with the hindrance, and to fix an anchor to the hole drilled in this way.;SOLUTION: A water jet nozzle 12 ejects high pressure water, including an abrasive material, to a reinforced concrete member 22. A driving mechanism 24 drives the nozzle 12 so that the locus of the high pressure water, which is ejected from the nozzle 12, can be made circular. A soft material is used as the abrasive material which is included in the high pressure water. The anchor, which is composed of a rod-shaped member with flexibility, is fixed to the hole drilled in this way.;COPYRIGHT: (C)2004,JPO
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