圆形巷道围岩流变机理分析

Rheological Mechanism Analysis on Surrounding Rocks of Circular Roadway

摘要: 以具有普遍代表意义的圆形巷道为载体,依靠Burgers流变模型,对巷道围岩弹性区、塑性软化区、塑性残余强度区流变机理进行了分析研究,推导了各区域的位移解,应力解,求出了塑性区半径范围,并通过工程实例,验证了理论推导的正确性,可为巷道的变形控制提供理论参考。
- 圆形巷道 /
- 围岩 /
- 流变 /
- 机理
Abstract: In this paper,circular tunnel with the universal significance was put as the carrier,burgers rheological model was relyed,the rheological mechanism of the elastic area,plastic softening area and plastic residual strength area of surrounding rocks were analyzed,the displacement and stress of every area were found,the radius of plastic area was solved,the theoretical analysis was verified to be true through the engineering examples.It can be provided a theoretical reference for controlling the deformation of the roadways.
- circular roadway /
- surrounding rocks /
- rheological /
- mechanism

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