| 摘要 |
PURPOSE:To shorten the period of construction by a method in which a precursor panel is rigidly joined with the upside of a succeeding panel through a box-like coupler provided on the upside of the portion to be joined and the downside of the portion to be joined is connected with the concrete of the succeeding panel. CONSTITUTION:A reinforcing bar cage 102 is set in a trench 101, and a hollow box 103 is attached to the end in the joining direction of the cage 102. Concrete C is placed into the trench 101 except for the inside of the box 103 and hardened to form a precursor panel 10. A trench 121 is then formed by excavation and the projected portion A of the concrete C on the box 103 side is cut off. the drawing plate 103c of the box 103 is pulled out, and a reinforcing bar cage 122 is set in the trench 121. Concrete is further placed into the trench 121 except the box 123 to form a succeeding panel 12.
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