opencast

The Working Environment and Safety Control of Opencast Mine

露天开采矿山作业环境与安全管理

The information refers to slopes in opencast mines, quarries, dam foundation excavations and highway outs.

这份资料提供了有关露天矿 、 采石场, 坝基和公路堑的边坡资料.

This paper discourse upon pollution of resource and soil resource in opencast.

该文主要综述了露天煤矿开采过程中带来的水资源、土地资源的污染.

The high and cliffy is the result of opencast working. A lot of mine can not be opencast worked any more after many years mining, and the safety of the mining becomes a important problem.

露天矿边坡是露天开采活动的产物，随着开采的不段深入，很多露天矿转为露天井工联合开采，其开采安伞性成为亟待解决的课题。

the ecosystem resilience of antaibao opencast mine ecosystem in pingshuo is 46. 836 for 2007-which is described as moderately stable.

研究结果表明：平朔安太堡矿区2007年的生态系统弹性力为46.836，中等稳定；

study on landscape structure and fractal of the dumping place in antaibao opencast coal mine

安太堡露天煤矿排土场景观结构及其分形研究

Study of Deep Mining Technology of Large-scale Opencast Metal Mine

大型露天金属矿山深部开采技术研究

Discussion on Environment Impact Recognition and Restoration Technique of Opencast Working& taking EIA of opencast working coal vanadium mine in Chongyang as an example

露天开采生态环境影响识别与修复技术的探讨&以崇阳露天石煤钒矿矿山开发环评为例

It is necessary that stripping plan be timely provided during the opencast mining.

露天矿生产过程中,需要及时提供采剥工程平面图.

Opencast coal mining leaves large areas of refuse dump, because of the environment pollution, soil erosion, nutrient-poor of soil and biodiversity loss, vegetation reclamation in these areas is difficult, so explore the measures for soil improvement is important to practice.

露天煤矿开采形成大面积的排土场，由于环境污染、水土流失、土壤养分贫瘠、生物多样性减少等使排土场的植被恢复困难重重，因此探索改良土壤的有效措施具有生产实践意义。

Application of Chamber Blasting for Opencast Working Instead of Underground Working in Coal Mine with Fire ( Down)

硐室爆破在火区煤矿井采转露采中的应用（下）

noise and vibration control on construction and open sites - code of practice applicable to surface coal extraction by opencast methods

建筑工地和露天场地的噪声和振动控制。适用于以露天开采法开采地表煤的实用指南

Technical study of deeper mining from large deep hollow opencast working transfer to underground mining

大型深凹露天转井下深部开采技术研究

Application of hollow through type DTH hammer in exploration of underground mine goaf in opencast working

贯通式潜孔锤在露天矿山地下采空区探查中的应用

the research of low-cost opencast emulsion explosive

低成本露天乳化炸药的研制

Research of Application of Dragline Stripping Technology in Opencast

露天矿索斗铲倒堆工艺开采方法研究

the research of low-cost opencast emulsion explosive

低成本露天乳化炸药的研制

Opencast mining is relatively safer.

露天矿的采集危险相对较小.

Water and soil loss assessment of the dump in large opencast mine in loess area

黄土区大型露天矿排土场水土流失评价

Development and Application of Excavating Loader SIDE-SLOPE MANAGEMENT FOR OPENCAST MINING

挖掘装载机的发展及应用前景露采边坡的管理

The results have offered security guarantee condition when opencast working switches to underground working in the mine.

探测结果，为该矿由露天开采转入地下生产，提供了安全保障条件。

Hence the study on the optimal slope angle in opencast mine has very important economic value and engineering practice significance. Therefore, this paper took slope engineering of Zijinshan opencast mine as example and studyed the stability and optimal angle of high slope.

可见对露天采场高边坡坡角的优化进行研究，具有十分重要的经济价值和工程实践意义。因此，本论文以紫金山露天采场边坡工程为例，研究该边坡的稳定性及其坡角优化。

Mainly used in roadway construction, excavation rock and soil volume, opencast working, blom up holes of explosion& pre-intensity, for water conservancy projects.

主要用于道路建设、土石方开挖及露天开采，水利工程爆破孔、预烈孔的凿岩工序，是理想的高效穿凿设备。

In order to break through the traditional technology and the conception of equipment design, suggest to use bunchy phase deep hole or big diameter deep hole in laneway to realize the exploding of high step on opencast working;

为突破基于常规工艺和设备配套的设计理念，推荐采用束状阶段深孔或在巷道中采用大直径深孔的方法实现露天开采的高台阶穿爆作业；