Results of experiments in progress at Arlington, Va., since 1920, indicate that with deep drainage ditches unobstructed the upper layers of soil contain more moisture than underlying soil, a condition which is reversed by flooding ditches; amount of moisture near surface is increased by alternate freezing and thawing; etc.


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    Titel :

    Subgrade drainage tests yield interesting preliminary data


    Weitere Titelangaben:

    Pub. Roads,


    Beteiligte:
    Mullis, Ira B. (Autor:in)

    Erschienen in:

    Public Roads ; 4 , n 6


    Erscheinungsdatum :

    1921


    Format / Umfang :

    5 pages


    Anmerkungen:

    14 Figs.


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Highway subgrade drainage

    Williar, H.D. | Engineering Index Backfile | 1921


    Earthworks, Drainage, Subgrade (C12)

    Association Mondiale de la Route | British Library Conference Proceedings | 1996


    Methods of subgrade drainage

    Cotton, H.E. | Engineering Index Backfile | 1937


    Importance of subgrade drainage in road construction

    Beddoe, G.H. | Engineering Index Backfile | 1940