The document discusses various tips and tricks related to computers and technology. It provides brief instructions on using features of Windows, Bluetooth, PowerPoint, and other programs. It also contains repeated notices of copyright ownership.
This document outlines a schedule, including weekly, daily, and monthly activities. Key events happening every week include gadget updates. Each morning brings a new today, and each month holds opportunities. A website is provided for additional gadget information.
This document outlines a schedule for searching, with searches happening every week, every morning, and every month. It also mentions holding something today and includes a website URL.
The document discusses various tips and tricks related to computers and technology. It provides brief instructions on using features of Windows, Bluetooth, PowerPoint, and other programs. It also contains repeated notices of copyright ownership.
This document outlines a schedule, including weekly, daily, and monthly activities. Key events happening every week include gadget updates. Each morning brings a new today, and each month holds opportunities. A website is provided for additional gadget information.
This document outlines a schedule for searching, with searches happening every week, every morning, and every month. It also mentions holding something today and includes a website URL.
7. 設計荷重の算定の現状 (株)饭岛建筑事务所 交通振動 従来では全く考慮されていない 橋梁上の交通振動は主に ?ジョイント部での車両の飛びはね ?ピアとの相対位置 移動点振源モデルによる検討は不適当である(西阪ら) 橋梁タイプ毎の交通振動 Data Base の構築が必要 交通振動 Data Base に基づく模擬交通振動作成手法の構築が必要 現状では計測に依存せざるを得ない
23. 制振装置のバリエーション (株)饭岛建筑事务所 mass mass 水平動用(カメラポール?直柱照明ポール etc. ) Stiffness Mass Light Heavy Soft Hard Basic Model Line UP Low Frequency Type High Frequency Type Small Large Structure Size 装置対応表 Restoring force Spring Oil Damper Roller Restoring force Spring 水平?上下動用(照明ポール?標識板 etc. ) mass mass 上下動用(門柱?床振動 etc. ) mass mass
25. 3.8 3.8 3.8 3.8 3.8 (m) Node 規準化風速 V Zo =30m/sec 4 3 2 1 0 H=10m 程度で規準化風速を定義 移流速度 V c =10m/sec 検討モデル 強い相関 3-4 節点間相関 2-3 節点間相関 1-3 節点間相関 0-3 節点間相関 高さ方向平均風速分布 ?べき指数分布 V Z =V zo ? (Z/Zo) ? Zo : 規準化高さ V Zo : 規準風速 C 4 C 3 C 2 C 1 C 0 1.0 風向 カルマン渦による側方風力 偶然性に依存する相関 (株)饭岛建筑事务所 受圧面の風力 模擬変動風力シミュレーション概要(強風)
28. 風荷重設定に関するスペック?フロー図 (株)饭岛建筑事务所 START 従来設計( JIL ) 模擬風力 共振風速の検討 END (B) END (A) END (C) END (C+) END (B+) Static Dynamic Time Long Short 観測データ 気象台観測記録 広域 風?振動計測 局所 精度 Low High
29. 制振装置(モデル) mass Visco Elastic Damper mass Roller Restoring force Spring Restoring force Spring Visco Elastic Damper (株)饭岛建筑事务所