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滤纸法在现场基质吸力量测中的应用

Application of filter paper method in field measurement of matric suction

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【Author】 WANG Zhao1,2,YANG Jinxin1,KUANG Juanjuan3,AN Junyong4,LUO Yidao5 (1.Wuhan University,Wuhan 430072,China;2.Tsinghua University,Beijing 100084,China;3.Canton Hydraulic Investigation and Design Institute,Canton 510640,China;4.Wuhan Institute of Rock and Soil Mechanics, CAS, Wuhan 430071,China;5.Shenzhen Geotechnical Investigation and Survey Institute, Shenzhen 518028,China)

【机构】武汉大学土木建筑工程学院；广州市水利水电勘测设计研究院；中国科学院武汉岩土力学所；深圳市勘察测绘院湖北武汉　430072；清华大学土木水利学院；北京　100084；湖北武汉　430072；广东广州　510640；广东深圳　518028；

【摘要】介绍滤纸法现场测量基质吸力的装置和测量结果,并与张力计测量结果、水土特征曲线算得的结果相比较,说明研制的装置简单实用。还介绍了双圈牌滤纸的率定过程和率定曲线,探讨了一些对测量精度有影响的因素。更多还原

【Abstract】 A device for field measurement of matric suction and its measured results are introduced in this paper. The results are compared with that from tensiometer method and SWCC, which illustrate that the device is simple and practical. The procedure of calibration and calibration curve of filter paper(Shuangquan brand)are also presented,and the influence factors on precision of the method are tested and analyzed in this paper. 更多还原

【关键词】基质吸力；滤纸；率定；精度；现场测量；
【Key words】 matric suction； filter paper； calibration； precision； field measurement；

【基金】国家自然科学基金资助项目(50279036)

【文献出处】岩土工程学报 ,Chinese Jounal of Geotechnical Engineering , 编辑部邮箱 ,2003年04期

【分类号】TU411
【被引频次】179
【下载频次】1233

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