裂隙岩体中TBM滚刀力时序曲线与微观损伤演化的互相关机制研究
Study on Cross-Correlation Mechanism between TBM Cutter Force Time-Series Curves and Microscopic Damage Evolution in Fractured Rock Masses
DOI: 10.12677/hjce.2026.154104, PDF,   
作者: 雷 尧, 黄 昕：同济大学土木工程学院地下建筑与工程系，上海；王帅峰：上海大学力学与工程科学学院土木工程系，上海
关键词: TBM滚刀破岩；内聚力模型；线性切割数值模拟；结构面定位；TBM Cutter Rock Breaking； Cohesive Zone Model； Linear Cutting Numerical Simulation； Structural Plane Localization
摘要: 天然岩体中结构面广泛发育，其位置和发育特征直接影响TBM掘进参数优化与施工安全。现有研究对滚刀力在结构面附近的响应特征多局限于定性描述，缺乏微观损伤演化与宏观滚刀力响应的跨尺度关联分析。首先，基于室内单轴压缩试验标定ABAQUS内聚力模型参数，开展不同结构面宽度和贯入度下的花岗岩线性切割数值模拟，分析滚刀力和内聚力单元失效数量沿滚刀行进距离的变化特征。通过微观内聚力单元失效数量和宏观滚刀力时序曲线的互相关分析发现：内聚力单元失效演化与法向力波动显著同步且高度相关，在滚刀切割临近结构面处，内聚力单元失效数量的下降对应法向力的同步下降，表明法向力可作为结构面识别的有效宏观表征。研究为TBM裂隙岩体智能感知与掘进参数实时优化提供了理论支撑。
Abstract: Structural planes are widely developed in natural rock masses, and their locations and development characteristics directly affect TBM tunneling parameter optimization and construction safety. Existing studies on cutter force responses near structural planes remain largely qualitative, lacking cross-scale correlation analysis between microscopic damage evolution and macroscopic cutter force responses. This study first calibrates Cohesive Zone Model (CZM) parameters for ABAQUS based on laboratory uniaxial compression tests, and conducts linear cutting numerical simulations of granite under varying structural plane widths and penetration depths to analyze the evolutionary characteristics of cutter forces and cohesive element failure counts along the cutter traversal path. Cross-correlation analysis between microscopic cohesive element failure counts and macroscopic cutter force time-series curves reveals that: cohesive element failure evolution is significantly synchronized and highly correlated with normal force fluctuations; as the cutter approaches the structural plane, decreases in cohesive element failure counts correspond to synchronous drops in normal force, indicating that normal force can serve as an effective macroscopic indicator for structural plane identification. This research provides theoretical support for intelligent perception of fractured rock masses and real-time optimization of TBM tunneling parameters.
文章引用：雷尧, 黄昕, 王帅峰. 裂隙岩体中TBM滚刀力时序曲线与微观损伤演化的互相关机制研究[J]. 土木工程, 2026, 15(4): 299-310. https://doi.org/10.12677/hjce.2026.154104

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