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- Keywords roadway support;backfilling;support resistance; 巷道支架;壁后充填;支护阻力;
- Keywords roadway support;yieldable coordinate;tensin force;longitudinal; 平顶形支架;可缩协调性;卡紧力;轴间力;
- Keywords roadway support;static load;dynamical load;nondeterminacy;reliability evaluation; 巷道支架;不确定性;静荷载;动荷载;可靠性评价;
- Alongside mining depth of mine continuing,roadway support displays out soft rocks feature,anchor way of bolt must expand from end bolt to long bolt and all bolt. 随着矿井采深的不断加大,巷道支护表现出软岩支护的特点,锚杆锚固方式由端锚逐步向加长锚、全锚方向发展。
- According to the creep mechanics test parameters, we have constructed a nonlinear creep formula, which provides a theory basis for roadway support in coal mining under the sea. 根据含油泥岩蠕变力学参数，推导出横向各向异性非线性蠕变方程，为海下开采条件下的巷道支护提供了理论依据。
- The interaction between the roadway support and wall rock and dependency each other have common loading affect.It is a way of re asonable using wall rock loading power. 巷道支架与围岩的相互作用、相互依赖,具有共同承载作用。利用支架与围岩相互作用实现共同承载是合理利用围岩自承力的途径。
- Through surveying overhead monorail load in varying state,it provides raliable basis for roadway support design and hanging design of overhead monorail. 通过测试不同状态下的单轨吊车载荷,为巷道支护设计或单轨吊车的悬吊设计提供了可靠依据。
- Keywords roadway;wallrock;support;loading;support way; 巷道;围岩;支护;承载;支护方式;
- Keywords roadway;atmospheric pressure;gas to gush; 综掘巷道;大气压;瓦斯涌出;
- Through analysis on anchoring and shotcreting theory, anchoring and shotcreting construction process at the rock heading cannon advancement face has been improved resulting in roadway support strength and interior quality improved. 通过分析锚喷作用机理,改进岩巷炮掘工作面的锚喷施工工艺,从而提高巷道支护强度和内在质量。
- This paper introduces the test effects of the roadway support with yieldable legs including different construction on Vertical test stand,and analysed mechanics features and effect factors. 介绍了在立式巷道支架试验台上，对不同结构形式平顶形柱腿可缩金属支架的试验结果。分析了支架的力学特征和影响柱腿可缩性的因素。
- Based on many years research of broken rock zone the paper describes roadway support theory, classification of rocks in the loose rock zone and mechanism of rock-bolting and shotcreting. 基于多年对围岩松动圈的研究成果，本文提出并论述了松动圈支护理论、松动圈围岩分类方法和锚喷支护机理三个问题。
- Keywords roadway;combined mining face;butting;fixed position line.; 巷道;综采工作面;对接面;定位导线;
- Keywords roadway drivage;blasting;hole stripping;direction angle; 井巷掘进;爆破;钻孔;方向角;
- The failure mechanics and occurred some problem of sprayed concrete were analyzed in theory,then the roadway supporting form was redesigned for this mine,i.e. 从理论上分析了喷射混凝土破坏的机理以及喷射混凝土存在的问题,进而确定了采用锚网支护的可行性。
- Keywords roadway air flow;gas adverse current;discriminant; 井巷风流;瓦斯逆流;判别式;
- Studies on the layout of roadway and the way of roadway supporting in this kind of coalseam(overlapping scrap sections)working face have important practical significance. 研究这类煤层(重叠小块段)工作面的巷道布置及护巷方式具有重要的现实意义。
- Technical Study on Special Roadway Support 特殊巷道支护方式技术研究
- Keywords roadway development;shotcrete and bolting wire mesh support;stress monitor; 开拓巷道;锚喷网支护;压力监测;
- Effect of Jetting Concrete in Roadway Support 喷射混凝土在巷道支护中的作用
