介绍了垂直阻隔技术的定义及分类,阐述了垂直阻隔技术在填埋场污染防控等领域的应用现状,从防渗墙深度、施工工艺、防渗性能、耐腐蚀性能、防渗材料、使用寿命等方面,重点对比分析了土-膨润土泥浆墙与HDPE膜柔性防渗墙的技术优缺点,同时指出了垂直阻隔技术的发展方向.%We introduced the definition and classification of vertical barrier technology,and its application in the field of environment protection such pollution prevention and control in landfill.The advantages and disadvantages of the soil-bentonite slurry wall and HDPE membrane vertical barrier wall were mainly analyzed from the aspects of the depth of the cutoff wall,construction technology,impervious performance,corrosion resistance,anti-seepage materials,service life.Finally,the development trend for the vertical barrier technology was pointed out.
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