1.
To reinforce the large-span and small-coal-pillar roadway by prestressed injection and cable anchors
小煤柱大跨度巷道群预应力注浆锚索加固工程
2.
Supporting technology of cable anchor in high stressand great span and steeply inclined roadway
急倾斜高应力大跨度巷道锚索支护技术
3.
Study on Anchor (Cables) Supporting in Large Span Section Open-off Cut;
大跨度切眼巷道锚杆（索）支护技术研究
4.
Numerical Simulation of the Excavation Sequence in Long-Span Full Coal Drift
大跨度全煤巷道开挖顺序数值模拟研究
5.
Study on Cable Bolt Support and Its Application in Large Span Coal Entry of Daning
大宁煤矿大跨度煤巷锚索支护研究与应用
6.
The Research of Theory on the Broad High Stress Frangible Roadway Support;
大跨度高地压破碎煤巷支护及机理研究
7.
Study on the maximal driving length of dummy drift in uranium mines
铀矿井独头巷道最大掘进长度的研究
8.
Surrounding Rock System Control Technology of Fully-Mechanized Coal Face Passing the Main Roadway and Goof in a Very Short Distance
冲击倾向综采面极近距离跨大巷和过老巷技术
9.
Bolt Roadway Combined Support Technology in Large Section Coal Drift
大断面煤巷全锚杆巷道联合支护技术
10.
Studying on Mining of Spanning the West Main Entry and West Main Intake of -650m Level of Wennan Coal Mine;
大采深复杂围 岩双大巷跨采技术研究
11.
The surrounding rocks of arched roadways are much more stable than that of rectangular roadways.
圆弧拱巷道围岩稳定性要远大于矩形巷道。
12.
The Study of Construction Mechanics of Neighborhood Tunnel with Large Span;
大跨度小净距隧道施工力学行为研究
13.
Analysis of working-state simulation and safty risk in large-span road tunnel construction
大跨度公路隧道施工模拟及风险分析
14.
Stability Analysis of Surrounding Rock-supports Structure of Large-span Tunnels
大跨度隧道围岩-支护体系稳定性分析
15.
MEASUREMEN CONSTRUCTION AND ANALYSIS OF DIFFERENT CONSTRUCTION METHODS TO LARGE SPAN AND ARCH TUNNEL
大跨度双连拱隧道不同开挖量测分析
16.
The Stablity of Large-Scale Water Sealed Underground Petroleum Storage Rock Cavern and the Research of Reasonable Height of Water Sealed Tunnel
大型地下水封储油库围岩稳定及水封巷道合理设置高度研究
17.
Research of the Stability and Reliability of Surround Rocks in the Process of Large-span Tunnel s Construction;
大跨度隧道施工围岩稳定性及可靠度研究
18.
a secondary mine passageway between two main shafts or tunnels.
矿井中连接两条大隧道的小巷道.