Column percolation test for contaminated soils: Key factors for standardization.

Angelica Naka,Tetsuo Yasutaka,Hirofumi Sakanakura,Ute Kalbe,Yasutaka Watanabe,Seiji Inoba,Miyuki Takeo,Toru Inui,Takeshi Katsumi,Takuro Fujikawa,Kenichi Sato,Kazuo Higashino,Masayuki Someya

Journal of Hazardous Materials（2016）

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摘要

⿢Ways to reduce the duration of column percolation tests specified in ISO/TS 21268-3 were proposed.⿢Four equilibrium periods and two flow rates on four different soils were tested.⿢The time to perform column percolation tests can be shortened from 20 to 30days to 7⿿9 days.⿢The recommended initial equilibrium period is 12⿿16h, shorten from 48h.⿢The recommended flow rate is 36mL/h which is three times that specified in ISO/TS 21268-3.

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关键词

Column percolation test,Contaminated soils,Standardization,Equilibration period,Flow rate

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