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    题名: 1-g model test on internally reinforced granular columns
    作者: Hong, Y.S.;Wu, C.S.;Chen, G.L.;Chien, C.W.
    日期: 2018-02-28
    上传时间: 2019-03-13 12:10:29 (UTC+8)
    出版者: ASTM International
    摘要: This article examines the influence of internally layered reinforcement on a fully penetrated sand column embedded in soft clay using a 1-g model test. The design parameters of the test model were chosen to emulate a geotextile-reinforced granular column prototype to ensure a comparable behavior. The performance of the internally reinforced sand columns was evaluated in terms of its load carrying capability and bulging behavior. The test results show that a reduction of spacing between two consecutive reinforcement layer discs allowed by a column with strong reinforcement will lead to an increase in the bearing capability of the column. Only a column design with a proper spacing/diameter ratio and reinforcement strength can ensure a column’s bearing capability with an increase in the reinforced column length. Reinforcing a granular column with a length exceeding the predominant bulging depth of a unreinforced column will be an effective mean to ensure its bearing capability.
    關聯: Geotechnical Testing Journal, 42(3), p.511-537
    DOI: 10.1520/GTJ20170332
    显示于类别:[土木工程學系暨研究所] 期刊論文

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