Patents
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- Guoan Xu , Self-drilling differential grouting combined bolt and anchoring method therefor
- Guoan Xu , Self-drilling differential grouting combined bolt and anchoring method therefor
- Self-drilling differential grouting combined bolt and anchoring method therefor
- A sectional modular large-deformation-resistant impact-resistant composite rock bolt and its assembling method
- Sectional modular large-deformation-resistant impact-resistant composite rock bolt and its assembling method
- 一种分段式模块化抗大变形和抗冲击组合锚杆及其组装方法
- Self-drilling differential grouting combined bolt and anchoring method therefor
- Guoan Xu , 一种自钻式差异注浆组合锚杆
- Guoan Xu , 一种自钻式差异注浆组合锚杆及其锚固方法
- Guoan Xu , 仇跃,jinghongwen,mengbo,齐燕军,隧道围岩裂纹扩展及围岩突水过程的三维可视化模拟方法