JP2012168152A - 構造物安全性の分析方法 - Google Patents
構造物安全性の分析方法 Download PDFInfo
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- JP2012168152A JP2012168152A JP2011105368A JP2011105368A JP2012168152A JP 2012168152 A JP2012168152 A JP 2012168152A JP 2011105368 A JP2011105368 A JP 2011105368A JP 2011105368 A JP2011105368 A JP 2011105368A JP 2012168152 A JP2012168152 A JP 2012168152A
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- vibration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0066—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by exciting or detecting vibration or acceleration
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
【解決手段】主に有効な振動測量信号を獲得し、構造物モデル分析と組み合わせて相互にフィードバックさせ、かつキャリブレーション済みの構造物モデルを利用し受災のシミュレーションにより、構造物の臨界状態の受力および変形規模を算出した上、構造物安定性特徴指標の取り込みに応用し、構造物安定性の分析に備える。本発明の分析方法によれば、構造物安定性の評価と健常性の監視が可能なほか、構造物の多重災害(Multi−Hazards)に関わる安全の判定に応用できる。
【選択図】図1
Description
Claims (6)
- ステップ(a):被測定構造物において、複数の振動感知装置を取付け、
ステップ(b):複数の前記振動感知装置を利用し、前記被測定構造物に対して初期振動を測定し基本情報を構築する、
ステップ(c):前記被測定構造物の連続時間帯の振動信号を取り込み、高速フリーエ変換方式を利用し、前記連続時間帯の振動信号を周波数帯信号に変換、
ステップ(d):前記周波数帯振動信号のフィルタリングを行い、分析対象の周波数帯を決定する、
ステップ(e):移動平均法を利用し、間隔時間を固定する方法により、前記周波数帯の振動信号を分析し、被測定構造物安全性の分析を終了するプロセス、
を備えた、構造物安全性の分析方法。 - 前記ステップ(b)において、複数の前記振動感知装置は有線または無線方式により前記連続時間帯の振動信号を監視センターのホストに伝送することを特徴とする請求項1記載の構造物安全性の分析方法。
- 前記ステップ(c)において、前記監視センターのホストを利用し、高速フリーエ変換により、前記連続時間帯の振動信号を前記周波数帯の振動信号に変換することを特徴とする請求項1記載の構造物安全性の分析方法。
- 前記ステップ(c)は、前記連続時間帯の振動信号をブロックされたため、前記周波数帯振動信号に引き起こすギブス現象を軽減する窓関数をさらに含めることを特徴とする請求項1記載の構造物安全性の分析方法。
- 前記ステップ(d)は、分析する周波数の範囲を指定するためのハイパスフィルターまたは広帯域フィルターをさらに含めることを特徴とする請求項1記載の構造物安全性の分析方法。
- 前記ステップ(e)は、時間帯ごとに移動平均スペクトル図を形成した後、所定周波数帯より、最大の3つの周波数対を取り込み、被測定構造物の安全性分析するための周波数の平均値、最大値、しきい値および臨界値周波数と時間の関係図の描きを含めることを特徴とする請求項1記載の構造物安全性の分析方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW100104421A TWI449883B (zh) | 2011-02-10 | 2011-02-10 | 結構體安全性之分析方法 |
TW100104421 | 2011-02-10 |
Publications (2)
Publication Number | Publication Date |
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JP2012168152A true JP2012168152A (ja) | 2012-09-06 |
JP5514152B2 JP5514152B2 (ja) | 2014-06-04 |
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JP2011105368A Expired - Fee Related JP5514152B2 (ja) | 2011-02-10 | 2011-05-10 | 構造物安全性の分析方法 |
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US (1) | US8640544B2 (ja) |
JP (1) | JP5514152B2 (ja) |
TW (1) | TWI449883B (ja) |
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Publication number | Publication date |
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TWI449883B (zh) | 2014-08-21 |
TW201233986A (en) | 2012-08-16 |
JP5514152B2 (ja) | 2014-06-04 |
US20120204646A1 (en) | 2012-08-16 |
US8640544B2 (en) | 2014-02-04 |
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