| 摘要 |
PROBLEM TO BE SOLVED: To provide a jointer of a wall of a reinforced concrete building capable of preventing the occurrence of a corner part having an acute angle in a joint to be formed and causing crack in only a tip of a notch in a concentrated manner without fail when constituting the crack inducing jointer by a base part to be attached to a form and a main body having a protruding piece for forming the notch to be combined with the base part separably. SOLUTION: The protruding piece 12 for forming the notch is integrally formed at a tip of the jointer 1 having a semicylindrical external shape. This jointer 1 is composed of the main body 2 protruding the protruding piece 12 for forming the notch integrally and having U-shaped cross section and the base part 3 combined with the main body 2 separably and attached to a form plywood 14. COPYRIGHT: (C)2009,JPO&INPIT
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