sublevel caving

Big parameter and multi-subsection of sublevel caving method without sill pillow in the base of undiluted ore drawing

大参数多分段并行无贫化放矿的无底柱分段崩落法

For those mines adopting the sublevel caving method, the large structure parameters of the natural lay are not suitable for the ore drawing in transition sublevel process.

采用无底柱分段崩落法回采的矿山，在向大结构参数的转变过程中，正常布置的大结构参数不适用于过渡分段的放矿。

Numerical simulation research of reasonable width of coal pillars in fully mechanized sublevel caving coalface with steep gradient

大倾角综放面合理区段煤柱宽度数值模拟研究

The structural parameters in pillarless sublevel caving such as sublevel height, sublevel drive interval and ore caving interval have a great influence on the ore recovery.

无底柱分段崩落法分段高度、进路间距和崩矿步距等结构参数对矿石回收指标影响大。

Manufacture of fully-mechanized sublevel caving hydraulic support for hard and superhigh seam

坚硬特厚煤层综采放顶煤液压支架研制

Analysis on cost and profit of uranium mining in leaching in place after blasting and heap leaching on surface after sublevel caving

原地破碎浸出和分层崩落法地表堆浸采铀的成本、利润分析

Optimum Thickness of Covering Layer in Sublevel Caving Stopping

崩落采矿法覆盖层合理保有厚度的探讨

Study on a New Version of Sublevel Caving Method at a Gypsum Mine in China

无底柱分段崩落法新方案在石膏厚矿床的试验研究

Through analyzing mechanism and regularity of ground movement destroying village house in sublevel caving mining-induced, reducing houses destroyed and village moving, it has profound significance to sustained development of coal enterprise.

通过综放采动下地表移动对村庄房屋的破坏机理及规律的研究分析，减少房屋破坏和减少村庄搬迁，对采用综放技术的煤炭企业可持续发展具有深远的意义。

Analysis of Mining Pressure in Sublevel Caving and Its Controlling Methods

无底柱分段崩落法采动地压规律分析及控制方法研究

Technology of high efficient mining for fully mechanized sublevel caving working face to sideway pass through sunk column

综放工作面遇陷落柱高效开采技术

Study of Sublevel Caving Hydraulic Support in Gently Inclined "Medium-Hard" Thick Seam

缓倾斜中硬厚煤层放顶煤支架的研制

Analyses factors that affect cover caving ability of roof coal in sublevel caving mining method.

分析了放顶煤开采顶煤冒放性的影响因素.

On improving recovery rate of top coal by sublevel caving mining in complex thick seam

提高复杂厚煤层放顶煤开采顶煤回收率的研究

New technique of lateral sublevel caving method for the Large inclined thick seam

急倾斜厚煤层柔掩侧向放煤开采技术研究

Mining design procedures of the deep mining process sublevel caving stoping method

海底成组更换采油法无底柱分段崩落采矿法回采设计方法

Research on caving structure of hard roof and hard top coal in seam using fully mechanized mining with sublevel caving

两硬综放面顶煤顶板冒放结构探讨

Study the automatic system of fully mechanized sublevel caving working face applying neural network control theory.

应用神经网络控制技术对综放工作面自动化系统进行了研究.

Design and Make of ZFQ1600/ 15/ 23 Light Sublevel Caving Hydraulic Support

ZFQ1600/15/23轻型放顶煤液压支架设计制造

App. of sublevel caving method with single hydraulic support

单体液压支架放顶煤开采方法的应用

Manufacturing technology of the sublevel caving hydraulic support

放顶煤液压支架顶梁制造工艺

Review of Research on Ventilation Method of Entry for Sublevel Caving Method

无底柱分段崩落法进路通风方法研究综述

The test and application of hole-bottom priming method in sublevel caving mining

孔底起爆法在无底柱分段崩落法中的试验与应用

A computer-aided technical management for sublevel caving is established and its structural design, compositions and functions are introduced.

介绍了一种适用于无底柱分段崩落法的计算机辅助技术管理系统的结构设计、系统组成与功能等。

Study of Large Space Structure Parameters of Sill Pillar-Free Sublevel Caving Method and Practice

无底柱分段崩落法大间距结构参数的研究与实践

A Theoretical Calculation Method of the Sublevel Caving Step-distance

综采放顶煤步距的一种理论确定方法

Sublevel caving without sill pillar is used in Xishimen Iron Mine.

西石门铁矿采用无底柱分段崩落采矿法开采.

The calculation on working resistances of supports has been one of key research questions sublevel caving.

支架工作阻力计算是综放开采研究的主要问题之一.

Gob of sublevel caving will not cause ground surface downgoing.

崩落法开采形成的空区不会对地表造成沉降危害。空区不用处理，可以任其冒落；