土工基础

›› 2012, Vol. 26 ›› Issue (3): 98-100.

• 工程实录 • 上一篇    下一篇

水泥土防渗墙原位渗透试验方法研究

曹元生   

  1. （上海勘测设计研究院，上海 200434）
  • 收稿日期:2012-03-19 出版日期:2012-06-20 发布日期:2012-06-25
  • 作者简介:曹元生（1979-），男，工程师，研究方向为工程地基与桩基质量检测。

In-Situ Permeability Tests on Slurry Walls Formed by Soil Mixing

CAO Yuansheng   

  1. （Shanghai Investigation, Design and Research Institute, Shanghai 200434）
  • Received:2012-03-19 Online:2012-06-20 Published:2012-06-25

摘要： 采用搅拌桩或者高压喷射方法施工水泥土连续墙用于防渗在水利水电等工程中多有应用，采用原位渗透试验方法测试防渗墙体抗渗性能是评价施工质量和效果的重要途径。目前在不同的规范中对测试方法均有相关的规定，但较少论及如何具体操作，且这些方法也在应用中存在各自的优缺点。结合工程经验，对相关方法的优缺点、适用性及方法的优化进行论述,并提出工程应用中的建议。

关键词: 水泥土防渗墙, 原位渗透试验, 方法优化

Abstract: The slurry walls formed by soilcement mixing or jet grout are widely used in the water resource and hydropower engineering projects where an impervious curtain is required. The insitu permeability test is one of the major methods to evaluate the construction quality of the slurry walls. Currently, different insitu permeability tests are recommended in various national and industrial codes, but the testing procedures are rarely mentioned. Furthermore, there are advantages and disadvantages among these different testing methods. This paper compares the advantages and their applicability of different insitu permeability testing methods.

Key words: Soil mixing slurry walls, In-situ permeability, Optimization selection