EPA-93-F105-02-103

093

1,250 千元

2004/03/23

2004/12/31

許榮均

空保處

國立台灣海洋大學

化學物質管理

環境振動,冷卻水塔,捷運系統,施工機具,振動基準值,振動管制值,,,,,,

Environmental Vibrations,Cooling tower,Rapid Transit System,Construction Equipment,Base Value for Environmental Vibration,Vibration Limits

王偉輝

莊雅雯

02-24622192ext.6079

yawen@sena.ntou.edu.tw

本研究之目的在建置環境振動之基本資料庫，其中包括量測： 1.無特定振動源下之環境振動量 2.有特定振動源下之環境振動量 而本計畫之環境振動量測點有 1.北市住宅及住商綜合區40點； 2.北部地區工業區20點； 3.高鐵沿線10點。 有特定振動源之量測點有 1.冷卻水塔振動10點； 2.捷運系統所引發之振動10點； 3.施工機具振動10點。 分析振動資料之方法依照國際標準化組織ISO 2631-1(1997)、ISO 2631-2(2003)，日本振動管制法JIS(新幹線)、JIS C1510(1995)，與未加權之振動值，共五種分析方法，而分別以加速度與速度值表示之。為符合規範之要求，ISO標準之加速度參考值為10-6m/sec2，而JIS則為10-5m/sec2。 而依上述標準執行量測時，加速規的佈置應置於平坦的堅硬地面，且加速規座設置於水平面上。量測垂直及互相垂直之水平二個方向的共三個方向之振動。在振動資料之擷取，則必要注意下列幾點： 1.設定之頻譜至少要涵蓋1-80Hz之頻率範圍， 2.取資料時應採1/3 Octave Band之分析方式， 3.每一秒鐘取一筆資料，再計算最後之平均值。 由量測資料，及使用ISO相關規範計算加速度振動總量之結果，環境振動約在50～60dB左右，有特定之振動源之振動量約在60～80dB間。而量測所得之資料庫，將有助於訂定環境振動基準值，及特定振動源之管制值。

環境振動,冷卻水塔,捷運系統,施工機具,振動基準值,振動管制值,,,,,,

0000035646.pdf

12MB

[期末報告]公開完整版

2005/3/1 上午 12:00:00

The purpose of this project is to establish data base for environmental vibration in Taiwan, it includes 1.Vibration measurement with no specific vibration sources. 2.Vibration measurement with specific vibration source. The locations for vibration measurement without specific source include 1.40 locations in Taipei City; 2.20 locations inside industrial zones in Northern Taiwan; 3.10 locations along the track of Taiwan High Speed Rail System. The locations for vibration measurement with specific vibration source include 1.10 locations for cooling tower; 2.10 locations along Taipei Rapid Transit System; 3.10 locations in construction sites. Measured vibration data were processed according to several standards including ISO2631-1(1997), ISO 2631-2(2003), JIS vibration regulation on Shinkansen and JIS C1510(1995) and compared with raw vibration data, and these data were presented both in unit of acceleration and velocity. For conforming to individual standards, the reference acceleration for ISO is 10-6 m/s2, and 10-5 m/s2 for JIS standard. If the above standards were adopted, it is required that the measurement device, i.e. accelerometers should be placed on a level surface, and measuring three mutual perpendicular directions, one is vertical to the ground and two are parallel to the ground surface. And there are several steps needed to be taken to assure correct measurement, 1.The frequency range should be at least cover 1to 80 Hz, 2.The frequency analysis should be done in 1/3 Octave Band, 3.Measurement should be taken in one second interval. From the measurement results, which were processed using procedure stated in ISO standards, the environmental vibrations, usually, are in the magnitude of about 50~60 dB. As for vibration with specific sources, the vibration magnitudes are between 60~80 dB, which is significantly higher than the environmental vibration. These measured data base will be helpful in determining the base values for environmental vibrations as well as vibration limits for differen

Environmental Vibrations,Cooling tower,Rapid Transit System,Construction Equipment,Base Value for Environmental Vibration,Vibration Limits