Comparative Analysis on the Internal Force of CRD Method with different Steps for Excavating Super Shallow Tunnel

机译：不同步骤CRD方法挖掘超浅隧道的基力对比分析

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On the adaptability of CRD four steps method and six steps method for excavating super shallow tunnel, elastic-plastic simulation are executed by ANSYS and Mohr-coulomb criterion. The development and distribution of axial force and moment of two kinds of methods are compared. Analysis results indicate that the axial force and moment of CRD four steps method are larger than that of six steps method. It is comparatively obvious that the axial force and moment developed near the lateral contour of tunnel by both two methods. The CRD six steps method is better than four steps method for excavating super shallow tunnel and should be adopted in actual construction process.

机译：关于CRD四步骤方法的适应性和六个步骤挖掘超浅隧道的方法，ANSYS和MOHR-CULOMB标准执行弹性塑性模拟。比较了两种方法的轴向力和时刻的开发和分布。分析结果表明，CRD四步骤方法的轴向力和力矩大于六个步骤方法。相对明显的是，两种方法都在隧道的横向轮廓附近产生的轴向力和时刻。 CRD六步骤方法优于四个挖掘超浅隧道的步骤方法，应在实际施工过程中采用。

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《International Conference on Electronic and Mechanical Engineering and Information Technology》|2013年||共4页
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Weng Ling; Zhang Dingbang;
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中图分类 TP39-53;
关键词
Super shallow tunnel; Axial force and moment; Tunnel excavation; CRD method;

机译：超浅隧道;轴向力量;隧道挖掘;CRD方法;

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Comparative Analysis on the Internal Force of CRD Method with different Steps for Excavating Super Shallow Tunnel

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