backfill mining是什么意思

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Analysis of filling effect and filling ratio of backfill mining in longwall face

长壁工作面充填开采的充填比与充填效应分析

Based on full literature search and comprehensive analysis,the current status is described from the mining technologies of coordinated mining,backfill mining,partial strip mining,and filling the collapsed cavities in over lying strata.

在综合分析大量文献的基础上,从协调开采法、充填开采方法、条带开采、覆岩离层注浆等多种开采技术对建筑物下开采方法进行了研究和论述;展望了我国建筑物下开采的发展趋势,认为覆岩离层注浆、矸石充填、条带开采、原地重建抗变形房将是我国建筑物下采煤技术的发展方向。

The numerical simulation and stress analysis were carried out on strip mining and filling mining at No.

本文以开采岩层移动工程地质理论为指导，以济宁市太平煤矿为例，通过相似材料模型试验、数值模拟等手段，对该矿建筑物下3~#煤条带开采和充填开采进行计算和分析，并对不同开采条件下上覆岩层应力分布特点及地表移动变形进行研究，揭示了条带开采和充填开采引起的上覆岩层的破坏过程、破坏形态、破坏范围及地表的移动变形规律，找出最小地表移动变形和最大采出率的结合点，确定建筑物下合理的开采方式，从而服务于煤矿生产。

Based on full literature search and comprehensive analysis,the paper presents an overall summary of the main mining methods which include cut and fill mining,strip mining,3-step mining,coordinated mining,filling the collapsed cavities in over lying strata etc,and elabo.

在综合分析大量文献的基础上,全面总结了充填开采、条带开采、三步法、协调开采、离层注浆等主要建筑物下采煤方法和井上建筑物的保护措施,并阐述了建筑物下采煤的发展趋势。

The mining with filling in goaf provides advantages for the rational mining of coal under buildings, railroads and water bodies.

采空区充填开采为"三下"煤炭的合理开采创造了条件。

Optimization Design and Numerical Analysis of Excavating-filling Engineering for Lean Ore in Jinchuan No.2 Minefield

金川二矿贫矿开采充填设计优化及数值分析

Analysis and mechanism of ground movement, deformation and fracture induced by underground backfill mining;

充填法开采引起地表移动、变形和破坏的过程分析与机理研究

Analysis of filling effect and filling ratio of backfill mining in longwall face

长壁工作面充填开采的充填比与充填效应分析

flat back cut and fill method

水平分层充填开采法

overhand cut and fill

上行分层采掘充填开采法

Study on the Gas Migration in the Goaf Filling of Full-mechanized Mining Working Face

综采工作面充填开采采空区瓦斯运移研究

An experimental study on waste stone-fly ash mixture for stowing after mining

矸石与粉煤灰混合充填开采的试验研究

Study on the Failure Laws of Floor above Confined Aquifer with Paste Filling Mining in Zhucun Colliery;

朱村矿承压水上膏体充填开采底板破坏规律研究

Theoretical and Applied Study on the Strip-Filling Mining Technology Using Cementing Gangue in Long-Wall Face of Coal Mine

井下长壁工作面矸石胶结条带充填开采的理论与应用研究

A Study of Filling Materials and Pipeline Transportation Systems in Deep Mines;

基于深井开采的充填材料与管输系统的研究

Study with Numerical Simulation and Field Actual Measurement on Mining with Backstowing Roadway of Xingdong Mine;

邢东矿充填巷式开采数值模拟与现场实测研究

Application of Middle-Deep Hole Falling Afterwards Filling in no Waste and Harmful Mining

中深孔落矿嗣后充填法在无废害开采中的应用

Application of Room and Pillar Mining Method in Under-sea Deposit

分矿房矿柱分层充填法在海底开采中的应用

Optimization Design and Numerical Analysis of Excavating-filling Engineering for Lean Ore in Jinchuan No.2 Minefield

金川二矿贫矿开采充填设计优化及数值分析

Application of paste filling technology in coal mining

浅谈膏体充填技术在矿山开采中的应用

Discussion on Technology Mode for Mine Underground Backfilled and Water Keeping Mining

煤矿井下充填保水开采的技术模式探讨

Analysis and Evaluation of Systemic Security for Deep Exploitation Filling Mining in Tonglushan Mine;

大冶铜绿山矿地下开采充填采矿法系统安全性分析及评价

The Ore Mining Technique Study of Panel Mechanization Cut-and-Fill Stoping Method Used in Deep Mining of Tonglushan Mine;

铜绿山深部开采盘区机械化分层充填法的回采工艺研究

rill cut and fill method

倾斜分层充填采煤法

square set and back filling method

方框支架充填采矿法