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Method of construction of preceding element of underground continuous wall and method of construction of underground continuous wall and construction machine of preceding element of underground continuous wall
Method of construction of preceding element of underground continuous wall and method of construction of underground continuous wall and construction machine of preceding element of underground continuous wall
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机译：地下连续墙先行单元的施工方法，地下连续墙先行单元的施工方法及施工机械
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摘要
PROBLEM TO BE SOLVED: To provide a construction method for a preceding element of an underground continuous wall, a construction method for the underground continuous wall, and a construction device for the preceding element that enable precision cutting by a cutting machine, without exposing a reinforcement cage inside.SOLUTION: A construction method includes the following steps for: erecting a reinforcement cage R in an installation hole H1 by fitting a plurality of first guide members 1 on an inner side of the reinforcement cage R, fitting a second guide member 2 at a bottom edge of the reinforcement cage R, placing a wire 3 having a hose 5 fitted on a rear side along an outside of a side surface RS1 and others of the reinforcement cage R from a top edge to the bottom edge, and pulling out a tip of the wire 3 from the top edge of the reinforcement cage R through the second guide member 2 and the plurality of the first guide members 1; placing the hose 5 on the outside of the side surface RS1 and others from the top edge to the bottom edge of the reinforcement cage while pulling up the wire 3 further, and filling a lean-mix grout material 7; and casting concrete 8 in the installation hole H1 and installing the preceding element 100 having a cutting area 100a.SELECTED DRAWING: Figure 4
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