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POSITIONING METHOD OF REINFORCING CAGE IN METHOD OF UNDERGROUND CONTINUOUS-WALL CONSTRUCTION
POSITIONING METHOD OF REINFORCING CAGE IN METHOD OF UNDERGROUND CONTINUOUS-WALL CONSTRUCTION
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机译：地下连续墙施工中钢筋笼的定位方法
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摘要
PROBLEM TO BE SOLVED: To improve efficiency and accuracy in positioning a reinforcing cage. ;SOLUTION: When a reinforcing cage 10 is built into an excavated hole 14, a pair of positioning guide members 20 are fixed onto the excavated hole 14. The guide member 20 is composed of a square-shaped beam 20a and a pair of mounting plates 20b fixed at both ends of the beam 20a. A pair of the guide members 20 are fastened onto a guide wall 22 installed at the upper end of the excavated hole 14 by anchor bolts 24 so that the central axes of the beams 20a are formed in an approximately fan shape. When the guide members 20 are mounted completely, the lower end side of the reinforcing cage 10 is inserted between the guide members 20 from the expanded space sides of the guide members 20. The reinforcing cage 10 is displaced in parallel to the contracted space sides, and H-steel 10e is abutted against the internal surfaces of the beams 20a of each guide member 20. When the H-steel 10e is abutted against the beams 20a, the reinforcing cage 10 is hung down gradually to a lower section while maintaining the state, and set up into the excavated hole 14.;COPYRIGHT: (C)1997,JPO
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