Using numerical methods, the effect of bolt supporting parameters to the stability of soft rock roadway intersection is studied in deep underground.
采用数值模拟研究方法，研究了锚杆支护参数对深井软岩巷道交岔点稳定性的影响。
The nail-dog and rock-bolt technique is often used in the supporting construction of such complicated slopes as artificial fill, sandy graves strata, sand deposits and muddy soil.
通过实践总结了土钉及锚杆技术在人工填土、砂卵石、砂层、淤泥质土等复杂地层边坡支护施工的处理方法。
In order to meet technical needs and minimize the deformation of tunnel, bolt-grouting supporting program was adopted on analysis of interaction between supporting and wall rock.
为了满足掘进巷道的技术要求，解决巷道的变形，通过对巷道支护与围岩相互作用及目前各类巷道支护形式及支护效果分析研究，决定采用锚注支护方案。
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