Joined structure of woody structural member, woody structural member and method of construction thereof

摘要

PROBLEM TO BE SOLVED: To provide a wood structural member that enables a long span architecture of a wooden semi-fireproof construction by a burning margin design, at low cost and quick delivery, and has a high local assembly easiness, and to provide a method of joining the wood structural member and a construction method of the joining structure of the wood structural member.SOLUTION: A wood member 11 of a wood structural member 10 is formed by laminating an inside wood plate 12 disposed in the center with a pair of outside wood plates 13a, 13b for sandwiching the inside wood plate 12 from both sides. A predetermined burning margin layer P is provided in an outer circumference of the wood member 11, and the inside from the burning margin layer P is assumed as a load supporting part Q to ensure the whole wood structural member 10 as a semi-fireproof construction.