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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    Title :

    Subgrade drainage tests yield interesting preliminary data


    Additional title:

    Pub. Roads,


    Contributors:

    Published in:

    Public Roads ; 4 , n 6


    Publication date :

    1921


    Size :

    5 pages


    Remarks:

    14 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    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