weak stratum plane 地层弱面
weak intercalated stratum 软弱夹层
weak watery stratum 富水软弱地层
weak permeable stratum 弱透水地层
weak underlying stratum 软弱下卧层
weak argillation stratum 软弱泥化层
This research plays an important guiding role and provides a significant reference value for tunnel construction in watery and weak stratum.
该成果对富水软弱地层隧道修建具有重要的指导作用和参考价值。
Parametersand steps of weak stratum testing are embodied, which establish stable foundation for testing in-situ and weak stratum's precision determinant.
并对软弱不良地层测试的参数设计、测试步骤等给出了具体的操作流程，为现场测试和软弱不良地层的准确判定奠定了坚实的基础。
Mukence watershed is located in the East Rift Valley and belongs to the Liji Mudstone area with more complex and unfavorable geologic conditions and weak stratum.
木坑溪集水区位于台东纵谷，为利吉层泥岩之代表地区，地质复杂，地层脆弱。
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