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Due to the hidden nature and complexity of the underground engineering rock body, the actual grouting process is mostly a black box operation, which makes it difficult to observe and control the splitting direction of the slurry vein, and the slurry vein splitting is difficult to be expanded according to the expected direction and length, therefore, it is especially important to clarify the splitting law, start splitting and diffusion law of the slurry vein during the grouting process to study the directional control mechanism of the splitting grouting slurry vein. Therefore, an array type 27-channel multivariate data monitoring true triaxial split grouting simulation tester is developed independently, which includes four parts: true triaxial grouting test platform, triaxial loading unit, digital grouting unit and information acquisition unit, and the system can be used to carry out split grouting simulation tests under different geostress conditions, and to study the split diffusion law of the grouting veins in the complex soil body.

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Key Technology and Equipment for Splitting and Grouting of Complex Geotechnical Bodies

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年

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  • Yaoyao Hu,
  • Heng Cai,
  • Ning Zhang,
  • Mengtian Li,
  • Shengtao Zhang,
  • Hanpeng Wang

摘要

Due to the hidden nature and complexity of the underground engineering rock body, the actual grouting process is mostly a black box operation, which makes it difficult to observe and control the splitting direction of the slurry vein, and the slurry vein splitting is difficult to be expanded according to the expected direction and length, therefore, it is especially important to clarify the splitting law, start splitting and diffusion law of the slurry vein during the grouting process to study the directional control mechanism of the splitting grouting slurry vein. Therefore, an array type 27-channel multivariate data monitoring true triaxial split grouting simulation tester is developed independently, which includes four parts: true triaxial grouting test platform, triaxial loading unit, digital grouting unit and information acquisition unit, and the system can be used to carry out split grouting simulation tests under different geostress conditions, and to study the split diffusion law of the grouting veins in the complex soil body.