| 摘要 |
PROBLEM TO BE SOLVED: To simplify the structure of a roof unit in supporting wind load to a small wall through a batter brace. SOLUTION: In this roof unit 12, plural batter braces 31, 32 are provided between a ridge beam 21 and the small wall 22, and the fitting points of the batter braces 31, 32 to the small wall 22 are positioned to be different in horizontal direction to the ridge beam 21.
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