1) tubular rock bolt
管式锚杆
1.
Based on analysis of grouted tubular rock bolts used in improving the mechanical property of fractured and weak surrounding rock and enhancing the anchoring force of rock bolts,the mechanical model of tunnel with shotcrete and tubular rock bolt support is created.
在管式锚杆注浆对破碎、软弱围岩力学性质改善及提高锚杆锚固力分析的基础上,建立管式锚杆支护条件下的力学模型,通过管式锚杆支护与普通喷锚支护塑性区范围大小的对比分析,揭示了管式锚杆提高破碎、软弱围岩支护效果的机理。
2) split rockbolt
缝管式锚杆
1.
Based on the experiment by using split rockbolt support at Peifeng Mine Yanwu +35m-21#,Fujian Coal and Electricity Corporation,the paper proves that split rockbolt support in developing entry has advantages over the traditional support and other rockbolt supporting types.
通过对福建煤电公司培丰煤矿延五+35m-21#运巷进行缝管式锚杆支护试验,证明缝管式锚杆支护相对于采准巷道的传统支护方式及其他类型锚杆支护有较大优势,是一种支护及时、经济有效的新型锚杆支护形式,是采准巷道支护改革的一个方向。
3) Wedge tubular anchor
楔管式锚杆
4) slit weldge tubing bolt
管缝式锚杆
1.
Application of slit weldge tubing bolt in Jinshan Glod Mine;
管缝式锚杆在金山金矿的应用
5) tubular friction bolt
管缝式摩擦锚杆
1.
For supporting the broken roof of the stope of mechanized operation and its upper wall which comes into contact with fault plane,the tubular friction bolt is employed in Xincheng Gold Mine.
文中就新城金矿机械化作业采场的破碎顶板及与断层面接触的上盘 ,采用管缝式摩擦锚杆支护的有关技术问题作一探讨。
6) wedge pipe bolt for roof support
楔管式锚杆护顶
1.
The employment of dip retreat and wedge pipe bolt for roof support showed that the permissible exposed area of mine goaf increased from 50m2 to 258-500m2, thus greatly reduced the ore loss and dilution.
本文以理论研究为基础,密切结合生产实际,采用沿倾斜后退式回采顺序和楔管式锚杆护顶技术,使采空区允许暴露面积只有50m~2左右,扩大到258～500m~2,大幅度地降低了矿石损失与贫化,获得显著的经济效益。
补充资料：成都无缝钢管厂管坯在菌式穿孔机上穿孔
成都无缝钢管厂管坯在菌式穿孔机上穿孔
成都无缝钢管厂管坯在菌式穿孔机上穿孔
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条