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A study on types of solidified shape of urethane grout forepoling to the softground tunnel

机译：渗入软土地基隧道的聚氨酯灌浆凝固形态类型研究

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摘要

The purpose of present study is to obtain the fundamental data of urethane grout for forepoling as one of the auxiliary method. Especially, the solidified shape of urethane grout was discussed in the model or actual ground with various permeability coefficients. Firstly, the laboratory test on solidified shape, which had two parameters (permeability coefficient & foaming pressure), was carried out. Finally, solidified shape under the various ground conditions was verified in the field test. From the test result, it was ascertained that the permeability coefficient of ground significantly influenced the penetration mechanism and solidified shape of urethane grout.
机译：作为辅助方法之一，本研究的目的是获得用于灌浆的聚氨酯灌浆的基础数据。特别地，在模型或实际地面中讨论了具有不同渗透系数的聚氨酯灌浆的凝固形状。首先，进行了具有两个参数（渗透系数和发泡压力）的凝固形状的实验室测试。最后，在现场测试中验证了在各种地面条件下的凝固形状。从测试结果可以确定，地面的渗透系数显着影响了聚氨酯灌浆的渗透机理和凝固形状。

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