A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
FLOOR VIBRATION ANALYSIS SYSTEM
To provide a floor vibration analysis system capable of analyzing floor vibrations of a building under simpler input conditions while taking an influence of partition walls into consideration.SOLUTION: A floor vibration analysis system comprises: a mass calculation part 31; a spring constant calculation part 32 which calculates a natural vibration frequency ω of a floor in an evaluation region 56 from information on a beam structure 55 and information on a floor slab 51, and calculates a spring constant k of vibrations at a vibration evaluation point C based upon the natural vibration frequency ω; an attenuation constant calculation part 33 which calculates an attenuation constant c of vibrations at the vibration evaluation point C from information on the structure of at least a partition wall 60A; and an acceleration calculation part 34 which calculates, based upon excitation force F(T) varying with time, a mass m, the spring constant k, and the attenuation constant c, acceleration A(T) at the vibration evaluation point c varying with time with respect to vibrations of a degree 1 of freedom.SELECTED DRAWING: Figure 3
【課題】より簡単な入力条件で、間仕切り壁の影響を考慮した、建物の床振動を解析することができる床振動解析システムを提供する。【解決手段】床振動解析システムは、質量算出部３１と、梁構造５５の情報と床スラブ５１の情報とから、評価領域５６における床の固有振動数ωを算出し、固有振動数ωに基づいて、振動評価点Ｃの振動におけるばね定数ｋを算出するばね定数算出部３２と、少なくとも間仕切り壁６０Ａの構造の情報から、振動評価点Ｃの振動における減衰定数ｃを算出する減衰定数算出部３３と時間変化を伴う加振力Ｆ（Ｔ）、質量ｍ、ばね定数ｋ、および減衰定数ｃに基づいて、１自由度系の振動として、時間変化を伴う振動評価点ｃの加速度Ａ（Ｔ）を算出する加速度算出部３４と、を備える。【選択図】図３
FLOOR VIBRATION ANALYSIS SYSTEM
To provide a floor vibration analysis system capable of analyzing floor vibrations of a building under simpler input conditions while taking an influence of partition walls into consideration.SOLUTION: A floor vibration analysis system comprises: a mass calculation part 31; a spring constant calculation part 32 which calculates a natural vibration frequency ω of a floor in an evaluation region 56 from information on a beam structure 55 and information on a floor slab 51, and calculates a spring constant k of vibrations at a vibration evaluation point C based upon the natural vibration frequency ω; an attenuation constant calculation part 33 which calculates an attenuation constant c of vibrations at the vibration evaluation point C from information on the structure of at least a partition wall 60A; and an acceleration calculation part 34 which calculates, based upon excitation force F(T) varying with time, a mass m, the spring constant k, and the attenuation constant c, acceleration A(T) at the vibration evaluation point c varying with time with respect to vibrations of a degree 1 of freedom.SELECTED DRAWING: Figure 3
【課題】より簡単な入力条件で、間仕切り壁の影響を考慮した、建物の床振動を解析することができる床振動解析システムを提供する。【解決手段】床振動解析システムは、質量算出部３１と、梁構造５５の情報と床スラブ５１の情報とから、評価領域５６における床の固有振動数ωを算出し、固有振動数ωに基づいて、振動評価点Ｃの振動におけるばね定数ｋを算出するばね定数算出部３２と、少なくとも間仕切り壁６０Ａの構造の情報から、振動評価点Ｃの振動における減衰定数ｃを算出する減衰定数算出部３３と時間変化を伴う加振力Ｆ（Ｔ）、質量ｍ、ばね定数ｋ、および減衰定数ｃに基づいて、１自由度系の振動として、時間変化を伴う振動評価点ｃの加速度Ａ（Ｔ）を算出する加速度算出部３４と、を備える。【選択図】図３
FLOOR VIBRATION ANALYSIS SYSTEM
床振動解析システム
SARATANI AKIKO (author) / HIRAMATSU TAKESHI (author) / ADACHI MITSUNORI (author) / KAMIOMON SHINSUKE (author)
2022-10-17
Patent
Electronic Resource
Japanese
IPC:
G01H
MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
,
Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen
/
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
/
G01M
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES
,
Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen
/
G06F
ELECTRIC DIGITAL DATA PROCESSING
,
Elektrische digitale Datenverarbeitung