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- W2379319861 abstract "During the three construction phases of laying trans-section continuously welded rail(CWR) on the new line—before the locking of unit rail link,before the locking of trans-section CWR and before putting into operation(acceptance),tests are carried out on the quality state parameters of ballast bed.Test results show that the quality state parameters of ballast bed can meet the stated requirements by adopting reasonable construction technology and method.And the construction should follow basic operation process.Since the requirements for the quality of ballast bed are different for various construction phases of laying trans-section CWR,it is suggested that,for different construction phase,different quality state parameters of ballast bed should be chosen for evaluation.Before the locking of unit rail link,in order to guarantee the stability of CWR unit rail link,it is suggested that the transverse resistance of ballast bed should be adopted as the main index to evaluate the quality state of ballast bed.After the entire ballast trimming has been completed and accepted,the quality state parameters of some ballast bed go down slightly due to ballast trimming operation.For this phase,indices such as transverse resistance and rigidity under sleeper,etc.should be adopted to carry out a comprehensive evaluation on the quality state of ballast bed." @default.
- W2379319861 created "2016-06-24" @default.
- W2379319861 creator A5066183636 @default.
- W2379319861 date "2006-01-01" @default.
- W2379319861 modified "2023-09-22" @default.
- W2379319861 title "Test Analysis on the Quality State Parameter of Newly-Built Railway Ballast Bed" @default.
- W2379319861 hasPublicationYear "2006" @default.
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