Based on its stress characteristics, the author introduces points for attention in design such as control of axial compression ratio and structural measure.
根据异形柱的受力特点，论述了在设计时应注意轴压比控制和构造措施等方面的要求。
The optimal cross-height ratio and the high strength supporting system with the core of high pre-stress could be helpful to control the deformation of surrounding rock reasonably.
留巷断面选择最优跨高比并采用以高初撑力为核心的高强支护体系，能够合理控制围岩变形。
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