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- 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。
- 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。
- 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。
- 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。
- Technical Study on Special Roadway Support 特殊巷道支护方式技术研究
- Effect of Jetting Concrete in Roadway Support 喷射混凝土在巷道支护中的作用
- Methods for roadway support and measures to monitor the support stress during developments of roadways in broken veins at Dounan Manganese Mines of Yunnan province are presented. 介绍了斗南锰矿对破碎矿脉内开拓巷道的支护方法及对巷道支护压力测量等的监测手段。
- By means of similarity-simulation test the authors have studied the displacement law of surrounding rock in coal roadway supported by the roof trusses,bolt-mesh shoterete and H-beam steel. 通过相似模拟试验,研究煤巷采用组合桁架锚杆、锚架网和工字钢支护时的变形玻坏规律,由此对比分析探讨组合桁来锚杆的支护效果。
- Analysis on the action of bolt cable in roadway support 浅谈锚索在巷道支护中的应用
- Finite Element Simulation of Seam Roadway Support in Xinbei Mine 新柏煤矿煤系地层井巷支护方案有限元模拟
- Application of Slit Wedge Tubing Bolt in Soft-rock Roadway Support 管缝锚杆在软岩巷道支护中的应用
- Study on deep soft rock roadway support in high stress area 深井高应力软岩沿空回采巷道安全支护研究
- ROADWAY SUPPORT TECHNIQUE AND ITS APPLICATION IN HIGH-PITCHED SEAM 大倾角煤层巷道支护方式设计与应用
- A raised roadway, as across water or marshland. 堤道加高的行道,如穿过水洼或沼泽的道路
- Don't stop on the roadway; move in to the side. 别在车行道上停留;到边上来。