This data report describes work undertaken as part of an overall program to develop ground-flotation criteria for the C-5A aircraft. A test section was constructed to a width adequate for two test lanes. Each lane was divided into three items having different subgrade CBR values and different traffic surfaces. Item 1 was surfaced with modified T11 aluminum landing mat, item 2 with M8 steel mat, and item 3 remained unsurfaced. Traffic was applied to the lanes using a 70,000-lb load having different wheel assembly configurations. A single-tandem and a twin-wheel assembly were used on each of the two test lanes, respectively. Each assembly consisted of two 56x16, 24-ply aircraft tires spaced 60 in. c-c with inflation pressure of 100 psi. This report presents the data collected on soil strengths, surface deformations and deflections, and drawbar pull. The traffic-coverage level at failure for each test item is also given. (Author)


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    Titel :

    Aircraft Ground-Flotation Investigation. Part V Data Report on Test Section 4


    Beteiligte:
    W. N. Brabston (Autor:in) / W. J. Hill (Autor:in)

    Erscheinungsdatum :

    1966


    Format / Umfang :

    40 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch