1-g model test on internally reinforced granular columns

淡江大學機構典藏 > 工學院 > 土木工程學系暨研究所 > 期刊論文 > Item 987654321/115955

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題名:	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
上傳時間:	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
顯示於類別:	[土木工程學系暨研究所] 期刊論文

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