anchor male cone

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。

Research on Application of Split Rockbolt in Developing Entry Support;

缝管式锚杆在采准巷道支护中的应用研究

Theory and Practice of Tubular Rock Bolt in Improving Supporting Effects in Fractured and Weak Surrounding Rock

管式锚杆提高破碎软弱围岩支护效果的理论与实践

Causes Analysis on Load Recluction of Resistance Strain Dynamometry Bolt(Bolt)

电阻应变式测力锚杆(锚杆)载荷下降的原因分析

Construction Technology of Combining the Self-feeding Anchor Rod with Ductule Double-liquid Grouting in the Water Gushing Section

自进式锚杆结合小导管注浆通过涌水塌方段施工技术

Study on the Material and Structure of Plastic Expansion-Shell Anchor-Bolt's Head;

塑料胀壳式锚杆的锚头材料及结构形式研究

Application of Tunnel Anchorage with Anchor Rods to Anchor System of the Second Yangtse River Bridge in Wanzhou City

隧道式锚碇加锚杆在万州长江二桥锚固系统中的应用

Apply Research of the Theory of Wholly Grouted Anchor Load Transfer Model;

全长粘结式锚杆传力模型及应用研究

Design and Research on Hydraulic Non-Circular Gear Roof Bolt Driller;

非圆齿轮式液压锚杆钻机的设计研究

The Study and Application of "Planting-bar" Anti-floating Rock Bolt

“植筋式”抗浮岩石锚杆研究与应用

Testing Study on Removable Anchor

可回收式预应力锚索（杆）的试验研究

Study and Application of the Expanding-shell Pre-stressed Hollow Anchor Rod

涨壳式预应力中空锚杆的研究与应用

Embedded Research and Design of Anchor Pole Stress Measuring Instrument

嵌入式锚杆检测应力仪的研究与设计

Numerical Simulation of the Pullout Test of Wholly Grouted Cable

全长粘结式锚杆拉拔试验的数值实现

Analysis on Supporting Effect of New Resin Retrievable Bolt

新型树脂式可回收锚杆支护效果分析

Safety Control of Belt Support in Coal Enties

煤巷锚杆支护技术安全管理问题分析

hedgehog spine anchorage

(压力钢管的) 刺猬式锚固

nuts of an anchor

有杆锚杆孔上下的杆箍

explosively anchored

炸药爆破锚固锚杆法