| 土工离心机地下水曝气试验装置研制与试验 |
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| 引用本文： | 郑瑞华,张建民,张嘎,胡黎明,杜建廷,刘燕.土工离心机地下水曝气试验装置研制与试验[J].实验技术与管理,2012,29(7):60-63,70. |
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| 作者姓名： | 郑瑞华 张建民 张嘎 胡黎明 杜建廷 刘燕 |
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| 作者单位： | 清华大学岩土工程研究所,北京 100084;清华大学水沙科学与水利水电工程国家重点实验室,北京 100084 |
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| 基金项目： | 国家自然科学基金(50879038),国家自然科学重点基金(51038007) |
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| 摘 要： | 针对地下水的修复问题,在50 gt土工离心机上,研制了一套地下水曝气试验装置,该装置包括曝气模型箱、控制与试验量测系统.该装置可满足0.1～5 mm的玻璃微珠材料进行地下水的土工离心曝气模型试验.从2 mm的玻璃微珠的初步试验表明,该系统结构简单,使用方便,可靠性及稳定性好.有效曝气压力与气体质量流量有较好的线性关系,曝气影响区域随着有效曝气压力的增大而增大,最终趋于稳定.
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| 关 键 词： | 地下水曝气法 土工离心机 玻璃微珠 有效曝气压力 气体质量流量 |
Development of test device with air sparging technique for geotechnical centrifuge and its test |
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| Zheng Ruihua
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Zhang Jianmin
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Zhang Ga
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Hu Liming
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Du Jianing
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Liu Yan.Development of test device with air sparging technique for geotechnical centrifuge and its test[J].Experimental Technology and Management,2012,29(7):60-63,70. |
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| Authors: | Zheng Ruihua Zhang Jianmin Zhang Ga Hu Liming Du Jianing Liu Yan |
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| Institution: | 1,2(1.Institute of Geotechnical Engineering,Tsinghua University,Beijing 100084,China; 2.State Key Laboratory of Hydroscience and Engineering,Tsinghua University,Beijing 100084,China) |
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| Abstract: | This paper develops a set of air sparging device in 50Gtons geotechnical centrifuge aiming at groundwater remediation,including test box,control unit and measurement unit.The device is filled with different diameters glass beads from 0.1mm to 5mm as a substitute for sand.This system was demonstrated for its simplicity and stability during the initial experiment by 2mm glass bead centrifuge modeling test. |
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| Keywords: | air sparging geotechnical centrifuge glass bead sparging pressure air flux |
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