| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive beam unit with an adhesive force and high strength, which has a simple structure using iron plates, a concrete footing beam, and a concrete footing beam assembling method. SOLUTION: The beam unit 100 for use in the concrete footing beam 1 comprises main reinforcements 101 at both ends, and the plurality of iron plates 102 which are arranged between the main reinforcements 101 at both ends. The iron plate 102 has at least either one kind of a projection/depression, a rib and an opened hole. Mounting parts 102b at both ends of the iron plate 102 are connected and fixed to the main reinforcements 101 at both ends by fastening, respectively. COPYRIGHT: (C)2008,JPO&INPIT
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