隨著都市的成長，軌道系統逐漸融入市區裡面，以平面、地下或高架的形式穿梭於都市間。然而列車通過時不免產生振動噪音，而對於居助於都市內的人民來說是一種干擾，因此找出振動噪音來源將能對症下藥。本研究使用CAT波狀磨耗量測儀輔以振動及噪音量測，觀察臺鐵中洲站南下彎道的波狀磨耗與振動噪音的關係。
波狀磨耗量測成果根據EN-13231規範，量測地點的波狀磨耗已經嚴重超過限制值，顯示出該地點的波狀磨耗已十分嚴重。而對照ISO-3095規範則顯示出波狀磨耗的特徵波長為50~63mm及125~160mm，也超出限制值許多。而對照組直線段則沒有波狀磨耗產生。
列車通過時產生的軌枕及混凝土基座振動於200~250Hz處有明顯峰值，對照直線段並沒有峰值產生，表示此頻段的振動來源為列車以時速40km/h通過波狀磨耗時所產生的。而噪音的峰值也出現在200~250Hz處，直線段於該頻段也沒有明顯峰值產生，因此波狀磨耗對噪音的影響也是非常顯著。另外於彎道處的噪音也有5000Hz以上的尖叫音產生，只是其影響不若波狀磨耗產生的噪音明顯。經過4次量測後量測地點的波狀磨耗於特徵波長處有微幅成長，軌枕振動與噪音於200Hz處也有相應的成長，而混凝土基座振動則沒有規律的變化。由波狀磨耗成長速度亦可推得此處的鋼軌已使用四年，更進一步得出最少約一年半需進行磨軌。
由量測結果得知中洲站南下彎道的振動及噪音主要受到波長50~63mm波狀磨耗的影響，因此若改善此處波狀磨耗將對降低振動噪音有幫助。

Railway cut through cities in different form like underground or viaduct. When the train passes through it will create noise and vibration, and cause the resident feel uncomfortable. Therefore it is important to find out the source of noise and vibration to choose the right solution. This study use Corrugation Analysis Trolley (CAT) and noise and vibration measurement to evaluate the influence of corrugation on track vibration and noise on Taiwan Railway Administration (TRA) Zhongzhou Station southbond curve track.

The result of corrugation measurement is compared with EN-13231，suggest the corrugation on this site is very severe, also compared with ISO-3095 to find out the wavelength of corrugation are 50~63mm and 125~160mm. In this study also take measurement of straight line as a comparison, which has no corrugation.

When the train pass through the site it excites vibration on frequency band 200 ~ 250Hz，on both sleeper and plinth. The straight line doesn’t have peak value on these frequency. This means the vibration is excited by the train pass through the corrugation with speed 40km/h. Also the noise on frequency band 200 ~ 250Hz than other band, which doesn’t pick up on straight line either, suggest that corrugation can also cause great noise. Also on the site has peak value above frequency 5000Hz, which value is smaller than 200Hz, is caused by the squeals of rail and wheel.

After 4 times of measurements, the corrugation has slightly grown up, also the vibration of sleeper and track noise on frequency band 200Hz have grown up, but the vibration of plinth has no regular pattern. From the result can conclude that the noise and vibration are influenced by the corrugation with wavelength 50~63mm. Therefore if the noise and vibration have to be deal with, corrugation is the mean target.

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