A 213-meter (700-foot) long soft subgrade section was built under a railroad test track at the Federal Railroad Administration's Transportation Technology Center (TTC), Pueblo, Colorado, to characterize soft subgrade deformations and to test various remedies for the heavy axle load environment. The test track is a 4.3-km (2.7-mile) loop and is used to test various track components under heavy axle freight trains (346 kN or 39-ton axle loads). The type of soil placed in the subgrade is Vicksburg "Buckshot" clay and has an average moisture content of 33 percent (10 percent above the optimum moisture content). Each year, approximately 100 MGT (million gross tons) of traffic is operated on the test track. To date, the following remedy techniques have been or are being tested, including increasing the granular layer thickness, geocell reinforcement and asphalt trackbed stabilization.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Deformations and Remedies for Soft Railroad Subgrades Subjected to Heavy Axle Loads


    Beteiligte:
    Li, Dingqing (Autor:in)

    Kongress:

    Geo-Denver 2000 ; 2000 ; Denver, Colorado, United States



    Erscheinungsdatum :

    24.07.2000




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




    Railroad Bridge Construction in Response to Heavy Axle Loads

    Skinner, T. A. / Steele, D. / Engineers' Society of Western Pennsylvania | British Library Conference Proceedings | 1997


    An Overview of Railroad Wheel Rim Failure Modes under Heavy Axle Loads

    Marais, J. / Van Der Walt, J. S. | British Library Conference Proceedings | 2004


    RAILROAD AXLE

    MAKINO TAIZO / KOZUKA CHIHIRO / YAMAMOTO YUICHIRO et al. | Europäisches Patentamt | 2019

    Freier Zugriff

    Highway subgrades

    Newlin, Jr., C.C. | Engineering Index Backfile | 1943


    Heavy Axle Load Revenue Service Bridge Approach Problems and Remedies

    Li, Dingqing / Maal, Luis | British Library Conference Proceedings | 2015