隧道与地下空间多因素围岩压力计算理论正确性检验与验证

Test and Validation of Multi-factor Surrounding Rock Pressure Calculation Theory in Tunnel and Underground Space

摘要:

采用直接和间接检验方法，通过文献调查、数据监测和统计分析计算，全面对比和验证了多因素围岩压力研究理论计算值与实测值非常接近且误差较小可信度高的客观结论。在直接检验与验证方法中，通过实测塌方高度、垂直向和侧向水平实测荷载等方面的验证，得出研究计算理论在I~VI级不同围岩级别下围岩压力计算值与实测值基本吻合；在间接检验与验证方法中，经实测侧向压力和安全系数、数值模拟分析等检验方法的验证，得出研究计算理论值与实测荷载、变形、松弛压力及破坏情况基本一致，研究计算值在有限元模拟云图的有效数值范围之内，间接验证了研究计算理论的合理性和适用性。

Abstract:

The direct and indirect test methods are used. Through the literature search, data monitoring and statistical analysis calculation, the objective conclusion that the theoretical calculated value of multi-factor surrounding rock pressure is very close to the measured value with small error and high reliability is compared and verified comprehensively. In the direct test and validation methods, through the verification of the measured landslide height, measured vertical and lateral horizontal loads, it is concluded that the calculated theoretical values of surrounding rock pressure under different surrounding rock grades I~VI are basically consistent with the measured values. In the indirect test and validation methods, through the verification of the measured lateral pressure and safety coefficients, and numerical simulation analysis, it is concluded that the calculated theoretical values are basically consistent with the measured load, deformation, relaxation pressure and failure conditions. The researched and calculated values are within the valid value range of the finite element simulation cloud image, which indirectly verifies the rationality and applicability of the research calculation theory.