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.14. 北京科技大学学报 第29卷 相同,因此式(11)完全可以用来评价场区土层的渗 的关系式,为原位渗透实验在盐田工程中的广泛使 透性能 用提供了可靠的分析方法, 3结论 参考文献 (1)在野外将近两年的岩土工程勘察、设计和 [1]中华人民共和国建设部.GB50021一2001岩土工程勘察规范. 重点性收集实验资料基础上,对扎布耶盐湖盐渍土 北京:中国建筑工业出版社,2002:82 [2]徐攸在.盐渍土地基.北京:中国建筑工业出版社,1993:32 进行了原位渗透实验,将钢管垂直击入盐田底板 [3]郑绵平.青藏高原盐湖.北京:北京科学技术出版社,1989: 150cm深,管内仅除去盐壳,管内有残留土柱,并注 84 入100cm深的卤水,较符合该盐田实际运营机制, [4]林清华,张永生·盐渍土渗透性初步研究勘察科学技术, 原位渗透实验方法是更好地评价场区土层垂直渗透 2005(3):47 性能的有效手段 [5]陈仲颐,土力学.北京:清华大学出版社,1992:29 [6]薛禹群.地下水动力学.北京:地质出版社,1979:18 (2)通过对原位渗透实验和初步建立数学模 [7]南京学院数学教研组。数理方程.北京:高等教育出版社, 型,得到了渗透系数与时间、卤水入渗影响深度之间 1999:22 Seepage model of salt field LIN Qinghua),LI Changhong,WU Changqun2),ZHANG Jiliang,ZHANG Yongsheng, FANG Xuesong) 1)Civil and Environment Engineering School.University of Science and Teehnology Beijing.Beijing 100083.China 2)Beijing Jiangong Jingjing Dafang Engineering Construction Supervision Co.Beijing 100037.China 3)Institute of Mineral Resources.Chinese Academy of Geological Sciences.Beijing 100037.China 4)Institute of Foundation Engineering,China Academy of Building Research,Beijing 100013.China ABSTRACI The permeability of saline soil in Zabuye salt lake in China was studied based on the analysis of difference between the results of saline soil in-site test and indoor seepage test.In order to make the tested values of permeability coefficient more accurate,an in-site permeability test method was proposed to evaluate the verti- cal permeability of soil.The formula for calculation of permeability coefficient was established from a mathemati- cal model.An engineering application demonstrated the applied testing method and the formula were reliable. KEY WORDS salt field;saline soil:permeability testing:mathematical model相同‚因此式(11)完全可以用来评价场区土层的渗 透性能. 3 结论 (1) 在野外将近两年的岩土工程勘察、设计和 重点性收集实验资料基础上‚对扎布耶盐湖盐渍土 进行了原位渗透实验.将钢管垂直击入盐田底板 150cm 深‚管内仅除去盐壳‚管内有残留土柱‚并注 入100cm 深的卤水‚较符合该盐田实际运营机制. 原位渗透实验方法是更好地评价场区土层垂直渗透 性能的有效手段. (2) 通过对原位渗透实验和初步建立数学模 型‚得到了渗透系数与时间、卤水入渗影响深度之间 的关系式‚为原位渗透实验在盐田工程中的广泛使 用提供了可靠的分析方法. 参 考 文 献 [1] 中华人民共和国建设部.GB50021-2001岩土工程勘察规范. 北京:中国建筑工业出版社‚2002:82 [2] 徐攸在.盐渍土地基.北京:中国建筑工业出版社‚1993:32 [3] 郑绵平.青藏高原盐湖.北京:北京科学技术出版社‚1989: 84 [4] 林清华‚张永生.盐渍土渗透性初步研究.勘察科学技术‚ 2005(3):47 [5] 陈仲颐.土力学.北京:清华大学出版社‚1992:29 [6] 薛禹群.地下水动力学.北京:地质出版社‚1979:18 [7] 南京学院数学教研组.数理方程.北京:高等教育出版社‚ 1999:22 Seepage model of salt field LIN Qinghua 1)‚ LI Changhong 1)‚ W U Changqun 2)‚ ZHA NG Jiliang 1)‚ ZHA NG Yongsheng 3)‚ FA NG Xuesong 4) 1) Civil and Environment Engineering School‚University of Science and Technology Beijing‚Beijing100083‚China 2) Beijing Jiangong Jingjing-Dafang Engineering Construction Supervision Co.‚Beijing100037‚China 3) Institute of Mineral Resources‚Chinese Academy of Geological Sciences‚Beijing100037‚China 4) Institute of Foundation Engineering‚China Academy of Building Research‚Beijing100013‚China ABSTRACT The permeability of saline soil in Zabuye salt lake in China was studied based on the analysis of difference between the results of saline soil in-site test and indoor seepage test.In order to make the tested values of permeability coefficient more accurate‚an in-site permeability test method was proposed to evaluate the verti￾cal permeability of soil.The formula for calculation of permeability coefficient was established from a mathemati￾cal model.An engineering application demonstrated the applied testing method and the formula were reliable. KEY WORDS salt field;saline soil;permeability testing;mathematical model ·14· 北 京 科 技 大 学 学 报 第29卷
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