Study on stability technology of hydraulic support in fully-mechanized caving working face with large dip angle;
大倾角综放工作面液压支架稳定性技术探讨
Light type caving coal hydraulic support structural characteristic and discussion on canopy structural design;
轻型放顶煤液压支架结构特点和顶梁结构设计的探讨
The research of appropriate original supporting pressure of powered support;
液压支架合理初撑力的确定
Dynamic analysis of caving powered support stability in deeply inclined coal seam;
大倾角放顶煤液压支架稳定性动态分析
Study on powered support canopy motion track of joints with clearance;
含间隙铰液压支架梁端轨迹的仿真研究
The structure patterns and performance analysis of the double-telescopic props of hydraulic supports;
液压支架双伸缩立柱的结构型式和性能分析
Computer aided concept design system for hydraulic supports;
液压支架计算机辅助概念设计系统
The structure characteristics and principle of the new type relief valve used on hydraulic supports were introduced.
介绍新型液压支架用安全阀的结构特点和工作原理,采用功率键合图法对该阀组成的标准实验系统建立数学模型,编制仿真程序。
Study on the Structure of the Cartridge valve with on Operating system of the Hydraulic supporter Support-post;
用于液压支架立柱控制系统的插装阀结构研究
Study on the feasibility of the hydraulic supporter with water medium;
水介质液压支架的可行性研究
A kind of new style combination linear hydraulic supporter is offered,which possesses the characteristic of light weight,reasonable structure, excellent mobility and low investment ect.
提出一种新型组合式直线型液压支架,具有重量轻、结构合理、机动性好、投资小的特点,能够广泛应用于中小煤矿及运输巷道断面狭小、无法正常布置综采工作面的边角煤回收区域。
Yield supporting design for deep and large-span soft rock caverns
深埋大跨度软岩硐室让压支护设计研究
The stability of the base structure for nature caved mining can be assured by use of the gradual supports of draw drifts.
巷道采取多次让压支护措施,能确保底部结构的稳定。
Research on Deformation and Failure Character and Yielding Support Mechanism in High Stress Soft Rock Roadway
高应力软岩巷道变形破坏特征及让压支护机理研究
Experimental Study of Bolt and Anchorage Cable's Coupling Yieldable Support Technology Under High Horizontal Stress
高水平应力条件下锚杆锚索耦合让压支护技术试验研究
Combined Supporting Technology with Pressure Releasing and Yielding in Deep Roadway under Combined Roof
深井复合顶巷道卸压 让压综合支护技术
Application of Pressure Bolting Supporter Under the Influence of Small Coal Mining Pillar Roadway
采动影响下小煤柱巷道让压锚杆支护的应用
Clearance-reserving suppor technique applied to tunnel having high-stress soft wallrock
高应力软岩层巷道空帮让压复合支护研究
Analyse and design of the supporting density on the individual hydraulic prop working face
单体液压支柱工作面支护密度的分析与设计
Research on the Distribution of Earth Pressure on Inner-brace Retaining Structure of Deep Excavation
深基坑内支撑支护结构上的土压力分布研究
Model test study of earth pressure on support structure
支撑式支护结构上土压力的模型试验研究
Supporting Technology of Mining Roadway in Abutment Pressure Zone of 2304 Mining Face in Sihe Colliery
寺河矿2304工作面巷道支承压力区支护技术
Practice of Large Mining Height Hydraulic Prop Supporting Face
大采高单体液压支柱工作面支护型式实践
Observation and Research of Bearing Stress of Advance Support of Fully Mechanized Coal Mining Face
综采工作面超前支护支承压力观测与分析
A new prediction method of the pressure of early temporary support
开巷初期临时支护压力预测的新方法
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
Analysis of cutting face support pressure for earth pressure balance shield tunneling
土压平衡式盾构掘削面支护压力特性分析
Analysing Mechanics Character of Special Canopy and Two-legged Caving Power Support
支顶支掩式掩护式放顶煤液压支架的力学特性分析
Its corresponding experiments have been done on ground surface and in underground in-situ engineering, respectively.
同时进行了地面试压和井下支护工程实验。