Abstract An Anti-freezing layer is not present when there is no frost heaving in subgrade soils with a low water table. In this case, such subgrade soils and subbase materials were shown to have experience in freeze-thaw cycles when an external water supply was not present. Deformational characteristics of subgrade soils and subbase materials in Korea were determined by IR tests under a closed freeze-thaw cycle system, where no external water supply was introduced during testing. There was a very small difference in the modulus between before and after freeze-thaw cycles for all tested subgrade soils and subbase materials. This means that the thawweakening of subgrade soils and subbase materials did not occur under a closed water supply system. This indicates that it is not necessary to consider the thaw-weakening of subgrade soils when subgrade soils are freezing without frost heaving. Furthermore, the damping ratio was slightly increased at the start of freezing and then rapidly decreased during freezing process. This same pattern was established for all samples and trials that were conducted. Additionally, the damping ratio at thawing stage increased slightly more than the before freezing stage, while the damping ratio decreased and established almost the same value before freezing.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Deformational characteristics of subgrade soils and subbase materials with freeze-thaw


    Beteiligte:
    Kweon, Gichul (Autor:in) / Hwang, Taikjean (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2013-08-17


    Format / Umfang :

    6 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





    Deformational characteristics of subgrade soils in Korea

    Kweon, Gi-Chul / Kim, Dong-Soo | Springer Verlag | 2000


    Seasonal Variation of Subgrade Modulus in Different Subgrade Soils for Pavement Rehabilitation for Non Freeze-Thaw Climates

    Bandara, N. / Rowe, G. M. / Sharrock, M. J. et al. | British Library Conference Proceedings | 2002


    Effect of repeated freeze-thaw cycles on the resilient modulus for fine-grained subgrade soils with low plasticity index

    Wang, Weina / Qin, Yu / Lei, Mingxuan et al. | British Library Online Contents | 2018