铁道建筑
鐵道建築
철도건축
RAILWAY ENGINEERING
2014年
7期
139-142
,共4页
平顺性管理%大型养路机械%轨道质量指数%分布规律
平順性管理%大型養路機械%軌道質量指數%分佈規律
평순성관리%대형양로궤계%궤도질량지수%분포규률
Regularity management%Large-type maintenance machine%Track quality index%Distribution pattern
随着铁路朝着客运高速化、货运重载化的方向发展,以及列车运行密度的提高,轨道结构平顺性管理的重要性日益凸显。通过分析轨道质量指数( TQI)7个子项标准差随时间的变化规律和有砟轨道上应用大型养路机械捣固作业的效果,提出由左高低、右高低、水平、三角坑4项轨道几何不平顺标准差组成的大型养路机械捣固作业轨道质量评价指数,并对其分布规律进行了分析,发现其服从γ分布。大型养路机械捣固作业轨道质量评价指数的提出依据及其分布规律的确定,为铁路工务部门进行有砟轨道大型养路机械维修管理决策提供了评价指标和理论依据。
隨著鐵路朝著客運高速化、貨運重載化的方嚮髮展,以及列車運行密度的提高,軌道結構平順性管理的重要性日益凸顯。通過分析軌道質量指數( TQI)7箇子項標準差隨時間的變化規律和有砟軌道上應用大型養路機械擣固作業的效果,提齣由左高低、右高低、水平、三角坑4項軌道幾何不平順標準差組成的大型養路機械擣固作業軌道質量評價指數,併對其分佈規律進行瞭分析,髮現其服從γ分佈。大型養路機械擣固作業軌道質量評價指數的提齣依據及其分佈規律的確定,為鐵路工務部門進行有砟軌道大型養路機械維脩管理決策提供瞭評價指標和理論依據。
수착철로조착객운고속화、화운중재화적방향발전,이급열차운행밀도적제고,궤도결구평순성관리적중요성일익철현。통과분석궤도질량지수( TQI)7개자항표준차수시간적변화규률화유사궤도상응용대형양로궤계도고작업적효과,제출유좌고저、우고저、수평、삼각갱4항궤도궤하불평순표준차조성적대형양로궤계도고작업궤도질량평개지수,병대기분포규률진행료분석,발현기복종γ분포。대형양로궤계도고작업궤도질량평개지수적제출의거급기분포규률적학정,위철로공무부문진행유사궤도대형양로궤계유수관리결책제공료평개지표화이론의거。
The recent years has witnessed the speed acceleration of passenger transport,the load increase of freight transport,and the improvement of operation density in the overall railway industry. Under such background,the railway maintenance sector tightens its management on track regularity. The paper analyzed the changing patterns of the standard deviations of seven subitems of the track quality indexes ( TQI) over time and the tamping effect of the large maintenance machinery used for the ballast track. The track quality assessment indexes including standard deviations of four geometrical abnormality of tracks were proposed,indicating a γ distribution. The introduction of the Track Quality Index to Large Machinery Tamping Work ( TQITW ) and its distribution can be used for the management of large maintenance machinery for ballast track and for the decision-making of the maintenance sector.