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
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
Hot-rolled U-type steel for mine timbering
GB/T4697-1991矿山巷道支护用热轧U型钢
Application of supporting technology at soft rock drift
软岩巷道支护技术及在实践中的应用
Study on the Laneway Timbering Decision-Making Sestem of the Mine of Daizhuang Shengjian;
岱庄生建煤矿巷道支护决策系统研究
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
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
"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
Application of New Anchor Supporting Technology in Tunnel Repairing
锚喷支护新工艺在巷道修护中的应用
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
Discussin on Bolt and Cable Supporting Technique of the Comples Roof
复合顶板巷道锚杆锚索支护技术探讨
Selecting of bolt supporting mode during exploitation and maintenance at softrock drift
软岩巷道施工维修中支护方式的选择
Practice of the Timbering of Composite Top - Tray Drift Anchored Cable Ret Cord
复合顶板沿空巷道锚梁网索支护实践
The Optimizing Design of Bolting Support Multi-coal Seams and Little Intervals Roadway;
近距离煤层群巷道锚杆支护优化设计
Study on Supporting Mechanism of Shell Bolting and Shotcrete in Soft Rock Roadway with High Stress;
高应力软岩巷道锚壳喷支护机理研究
Numerical Simulation Analyzing of Rock Bolting Parameter in Coal Road;
全煤巷道锚杆支护参数数值模拟分析
Study on Mechanism of Bolting and Grouting Support in Very Broken Rock Renovated Roadway;
极碎围岩整修巷道锚注支护机理研究
Numerical Simulation of Rock Bolting in Soft Rock That is Heavily Stressed;
高应力软岩巷道锚杆支护的数值模拟