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系統識別號 U0026-0202201313094000
論文名稱(中文) 鋼軌塗油後磨耗趨勢
論文名稱(英文) Prediction of side wear of lubricated rail
校院名稱 成功大學
系所名稱(中) 土木工程學系專班
系所名稱(英) Department of Civil Engineering (on the job class)
學年度 101
學期 1
出版年 102
研究生(中文) 張育豪
研究生(英文) Yuhao-Hao Chang
學號 n67991052
學位類別 碩士
語文別 中文
論文頁數 79頁
口試委員 指導教授-郭振銘
口試委員-李宇欣
口試委員-王雲哲
中文關鍵字 軌道  磨耗 
英文關鍵字 rail  wear 
學科別分類
中文摘要 台鐵沙崙線全長約將近6公里長,於2011年元旦正式通車。營運初期,因中洲站與長榮大學站間軌道線型特殊,軌道磨耗較為嚴重,故台鐵委由外包廠商於以此區間軌道裝設鋼軌塗油器及量測磨耗情形。
瞭解軌道的磨耗原因、磨耗情形、磨耗速率甚至預測軌道的使用年限,能有助於軌道系統管理者能有更明確的軌道維護方針,除了能達到節省成本支出外更能使軌道系統整體預算得到更有效的支配及運用。而近年來在軌道管理改採塗油方式期能避免磨損,故本文旨在探討國內軌道塗油方式的磨耗速率預測。
本研究由台鐵委外廠商於沙崙線東正線、西正線各選定三個進入主要彎道前位置裝設Lubricurve PD50型鋼軌防磨塗佈器並由廠商進行磨耗量量測。每一個位置包含五個測量點,分別為介曲線起點TS、介曲線與曲線接點SC、曲線中心點SP、曲線與介曲線接點CS、介曲線終點ST。在近一年內發現個單一時間序列資料在垂直向有固定磨損情形,在橫向及斜向則有因壓潰造成凸起或磨損不一的情形。
本研究引用台鐵委外廠商所量測磨耗數據,以統計的變異數分析發現在路線、位置、及測量點在W2的影響均無統計明顯差異。而以統計簡單迴歸模型探討W2對較長時間關係,擷取其中近一半之負向斜率(即磨損)得到平均值,進一步以台鐵換軌規範可推算平均預測年限或年限信賴區間估計,於觀測期間內之磨耗速率極為緩慢。
英文摘要 Shalun Line of Taiwan Railway, totaling about 6 km in length, officially started its operation on 1st Jan. 2011. In its early stage of operation, the rail between Jhongjhou Station and Chang Jung Christian University Station had serious rail wear because of its special shape. Therefore, Taiwan Railway Administration commissioned a private sector to install rail lubricators and measure the condition of rail wear.
Understanding the reasons, conditions, speed of rail wear and predicting rail lifespan are useful for rail system managers to adopt more specific strategies for maintenance. Not only the costs will be saved, but also the overall budget will be controlled and utilized in more effective ways. In recent years, lubrication has been adopted as the way to avoid rail wear. Therefore, this study aimed to discuss the rail wear prediction of domestic rail systems which applied lubrication as wear prevention.
The private sector chose three locations before entering the main curves for each East Route and West Route of Shalun Line to install Lubricurve PD50, a kind of steel rail lubricator, and took measurement of rail wear. Every location had five measurement points, including Point of Tangent-Spiral (TS), Point of Spiral Curve (SC), Secant Point (SP), Point from Curve to Spiral (CS), and Point of Spiral Tangent (ST). After almost one-year measurement, sequence data of every specific time showed that there were constant rail wear on vertical sides. On the other hand, bulge caused by pressure or uneven wear happened on lateral and crosswise sides.
This study took the data of rail wear collected by the private sector and made different analysis. The results of Analysis of Variance indicated that there were no significant differences in W2 between routes, locations, or measurement points. On the contrary, when we adopted the average value of nearly half of negative slopes (namely, the wear) derived from simple regression model analyzing influences to W2 for longer period of time, and further estimate the predicted average lifespan or lifespan confidence interval by Taiwan Railway Administration’s regulations, we found out that the speed of rail wear was significantly slowed down.
論文目次 摘要 1
ABSTRACT 2
誌謝 3
目錄 4
表目錄 6
圖目錄 7
第一章 緒論 9
1.1 前言 9
1.2 研究動機與目的 9
1.3 研究方法 10
1.4 研究流程 10
1.5 論文架構 12
第二章 文獻回顧 13
2.1 鋼軌磨耗損傷形式及其產生原因 13
一、波狀磨耗 13
二、鋼軌踏面剝離 13
三、其他鋼軌損傷 14
2.2 試驗室模擬鋼軌磨耗方式 15
2.3 軌道磨耗預測理論 18
2.4 赫茲接觸理論 21
2.5 軌道塗油方式 23
一、列車添乘塗油器 24
二、地面自動塗油器 24
三、地面人工塗油 24
2.6 各國軌道磨耗標準 25
一、日本東海道新幹線鋼軌更換基準 25
二、中華人民共和國鐵道部標準-鋼軌允許磨耗限度 25
三、統一設施標準 27
四、交通部1067公厘軌距軌道橋隧檢查養護規範 27
第三章 軌道磨耗現地量測試驗 29
3.1 量測環境介紹 29
一、沙崙線簡介 29
二、沙崙線曲線資料 31
3.2 鋼軌防磨塗佈器 32
一、塗佈器 32
二、作動泵 33
三、儲脂桶 34
3.3 量測位置 35
3.4 量測儀器及軟體 37
3.5 量測內容 39
一、量測檢測位置鋼軌剖面值 39
二、量測時間 40
三、決定量測位置 40
3.6 比對及分析方式 40
一、現地量測鋼軌磨耗量與50N鋼軌標準斷面比較 40
二、統計分析 41
第四章 現地量測結果與預測 46
4.1 軌道磨耗量測結果 46
4.2 三種測量值對於時間的變化分析 47
4.3 W2測量值之變異數分析 50
4.4 鋼軌使用年限預測 52
第五章 結論與建議 55
5.1 結論 55
5.2 建議 55
參考文獻 57
附錄A 磨耗記錄表 59
附錄B 磨耗量-時間曲線圖 65

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