Based on multi-analyses of the hacking shed tunnel cantilever support, the meirts of previous different type cantilever beam are absorded.
通过对架棚巷道前探支护的全面分析,吸取以往各种类型前探梁的优点,我们自行研制了 YZC型摘挂式超前支护装置,经过几年现场应用,取得了良好的经济和社会效益。
The resonable support way is pointed out in order to reach the purpose of reducing roadway support cost.
通过运用顶板运动规律和锚杆支护的作用机理,对锚杆参数的确定和支护效果进行了论述,并通过实例对现有巷道顶板维护方式进行分析,提出合理的支护方式,以期达到降低巷道支护费用的目的。
This paper introduces a kind of design thinking for roadway support combined theory with practice.
结合工程实例简要介绍了一种理论与经验相结合的巷道支护设计思路。
The roadway support which is affected by many kinds of factors in soft rock is a complex systematic problem.
龙口矿区梁家煤矿是典型的"三软"矿区,在巷道支护上遇到了非常大的困难。
Application of bolt connecting chain in tunnel support under complex geological conditions;
锚杆联系链在复杂地质条件下巷道支护中的应用
Since the complexity and uncertainty, static design used for underground engineering is inadvisable, so dynamic informative design for tunnel support is introduced.
因此,提出巷道支护动态信息设计法,其实施过程为:在地质调查和地质力学测试的基础上,采用数值模拟和工程类比相结合的方法进行初始设计;将初始设计实施于井下,并进行地质资料的现场再收集和工程监测;用监测结果检验和修正初始设计,按修正后的设计进行施工,并进行工程监测,如此不断循环,直至完工。
Though the load analysis on the tunnel roof wall-rock in the fault footwall tunnel, this paper solves the problem of the tunnel support of tunneling through the great fault; and though the load analysis on the corresponding wedge of the lower abandoned tunnel, solves the problem of the influence of the lower abandoned tunnel on the upper tunnel floor.
通过对断层下盘巷道顶板围岩的受力分析,解决了煤巷掘进过大断层的巷道支护问题;通过对下部废巷道对应的楔形体的受力分析,解决了下部废弃巷道对上部巷道底板的影响问题。
Optimal design of roadway supporting system in soft rocks based on structural reliability;
基于可靠度的软岩巷道支护系统优化设计
Research and application of fly ash spraying concrete in roadway supporting;
巷道支护用粉煤灰喷射混凝土的研究与应用
So, it's very important to logically design the roadway supporting in extended engineering of No.
梁家煤矿井下工程多属于IV ,V类围岩 ,工程稳定性差 ,因此巷道支护方案的合理设计对煤4延深工程的顺利施工至关重要。
Application of a new plastic expanding metal anchor in stoping tunnel supporting;
新型塑料膨胀金属锚杆在回采巷道支护中的应用
Feasibility research of tunnel supporting in JinChuan harmful rock;
金川不良岩体巷道支护技术可行性研究
Assembled reinforced-concrete supports for roadways in coal mines
GB248-1964装配式钢筋混凝土煤矿巷道支架
yielding roadway arch
可缩性巷道拱形支架
Applications of Steel Pipe Concrete Support for Reinforcing Workings under High Stress
钢管混凝土支架在高应力巷道加固中的应用
Pre-stressed Bolt Anchor-truss Support Technology in Composite Roof Roadway
复合顶板巷道预应力锚杆锚索桁架支护技术
A New Design for Preceding Support of the Hanging and Striding Pattern on Laneway Roof
掘进巷道悬挂式迈步超前支架的方案设计
Sham Tseng roadway cable truss+bolt joint support technology research pilot
深井巷道锚索桁架+锚杆联合支护技术试验研究
Mechanism Research on the Combination Support System of Yielding U-steel in Soft Ground Tunnel;
软弱围岩巷道U型钢可缩性支架联合支护机理研究
Research on combining support technology of roadway
锚网索支架联合支护技术在深井巷道维修中的应用
Analysis on bolt-net support unite to install steel beam technology 3 times coal tunnel in Dongtan coal mine
东滩煤矿3_下煤巷道锚网、架棚联合支护技术分析
COUPLED BOLT-MESH-ANCHOR-TRUSS SUPPORTING TECHNOLOGY AND ITS ENGINEERING APPLICATION TO DEEP SOFT ROCK ROADWAY
深部软岩巷道锚网索-桁架耦合支护技术及其工程应用
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
"Three bolting-anchor" Support Technologies Process Influence on Stability of Soft Rock Roadway Surrounding Rock
软岩巷道“三锚”支护过程对巷道围岩稳定性影响
The Optimal Design on Trapezoidal Support in High Crustal Stress Tunneling
高地应力煤巷掘进梯形支架优化设计
Mechanism of Narrow Pillar Protecting Roadway and Support Technology of Gob-Side Entry in Deep Mine
深井沿空巷道小煤柱护巷机理及支护技术
Application of compound support technology in soft rock tunnel repairing
复合支护技术在软岩巷道巷修中的应用
Application of Anchored Bolt Supporting Technology for Coal Roadway in Driving Roadway along Gob
全煤巷道锚杆支护技术在沿空送巷中的应用
Roadway Supporting Technology Influenced by Mining and Protective Pillar Design
多次动压影响巷道支护技术及护巷煤柱留设
Finite Element Method in a VNA Storage Rack
计算机辅助VNA(窄巷道)货架有限元分析