The beam perforation hole additional strength metallic parts, it Perforating in the web

摘要

PROBLEM TO BE SOLVED: To provide a beam through hole reinforcing structure which can efficiently transfer the stress of a beam to fittings even if the fittings are bolt-connected to the beam.;SOLUTION: According to the beam through hole reinforcing structure 1, the beam through hole reinforcing fittings 2, 31 cooperatively pinch a beam through hole 17, and the beam through hole reinforcing fittings 2, 31 are fastened to each other by a high-strength bolt inserted into a bolt insertion hole. Further a contact portion 39 of the beam through hole reinforcing fitting 31 makes contact with a tapered portion 5 of the beam through hole reinforcing fitting 2, and a tapered portion 35 makes contact with the rim 19 of the beam through hole 17. By bringing the contact portion 39 into contact with the tapered portion 5, a gap formed between the beam through hole reinforcing fitting 2 and the through hole 17 is filled, and by bringing the tapered portion 35 into contact with the contact portion 39, the beam through hole reinforcing structure 1 and the beam 11 are stuck to each other without a gap therebetween.;COPYRIGHT: (C)2007,JPO&INPIT