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首页> 外文会议>International symposium on deformation characteristics of geomaterials;IS-Seoul 2011 >Countermeasure for Liquefaction to Runway Ground by Application of Chemical Grouting Method
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Countermeasure for Liquefaction to Runway Ground by Application of Chemical Grouting Method

机译：应用化学灌浆法液化跑道地面的对策

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摘要

In this study, the effect of partial soil improvement against liquefaction by a chemical grouting method is examined. In this proposed method, an unimproved liqucfiable layer of uniform thickness is laid over the entire target area. Both model-scale and full-scale experiments were conducted in order to confirm the deformation characteristics of the runway ground. Following these experiments, we simulated the behavior of the runway pavement under a seismic load and the process of consolidation following liquefaction by conducting an effective stress analysis based on a finite element method. As a result, the following conclusions were obtained: the partial soil improvement ratio reaches 70-100% when the chemical grouting method is applied as a countermeasure against the liquefaction of the runway ground.
机译：在这项研究中，通过化学灌浆方法研究了部分土壤改良对液化的影响。在该提出的方法中，未改进的均匀厚度的可液化层被放置在整个目标区域上。为了确认跑道地面的变形特性，进行了模型规模和全尺度实验。根据这些实验，我们通过基于有限元方法的有效应力分析，模拟了跑道路面在地震荷载下的行为以及液化后的固结过程。结果，得出以下结论：当采用化学灌浆方法作为防止跑道地面液化的对策时，部分土壤改良率达到70-100％。

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