The stability of a testing stope of No.1 orebody in Jinfeng and the practice of ground pressure control;
金凤公司1号矿体试验采场稳定性及地压控制的实践
Ground pressure control is a major content in block caving process.
地压控制是自然崩落法采矿活动过程中的一项重要内容 ,拉底与放矿工作是控制地压的最主要的手段 ,也是最有效手段。
Also,the article out-lines the progress of ground pressure control technology in domestic and overseas mines,and point out the existing problems and develo-ping targets for China s ground pressure control research.
简要介绍了金属矿山地压控制技术的研究内容,综述了国内外地压控制技术研究进展,指出了我国金属矿山地压控制研究存在的问题和发展方向。
The mathematical models based on fuzzy mathematics and grey system theory were applied to the prediction of the natural slope failure due to underground excavation under complex topography in mountain areas.
针对复杂地形条件下工程开挖的实际情况，利用Ｆｕｚｚｙ数学和灰色系统理论建立了预测山区地下开挖引起岩体及自然边坡失稳的数学模型，并对具体矿山工程中岩体移动和自然边坡失稳问题进行了计算和分析。
Large displacements of slope and surface deformation due to underground excavation are discussed using the DDA model with results compared with those from DEM.
基于 DDA计算模型 ,补充和发展了 DDA计算程序 ,分析了边坡大位移问题和地下开挖引起地面变形的工程实例 ,并与离散元计算结果进行了比较研究。
In order to ensure normal use of the near buildings under the influence of underground excavation,we need an accurate assessment on the influence of the underground excavating on the adjacent buildings damage.
为了保证地下开挖影响下建筑物的正常使用,需要准确评价地下开挖工程对临近建筑物损害影响的程度。
Based on the underground digging problem of city building and the mining production, the character and the law of surface deformation caused by underground digging are studied the damage of buildings caused by surface deformation is analyzed the height influence on the building s resistant ability is studied.
针对城市建设和矿山生产的地下开挖问题 ,研究了地下开挖引起地表变形的特征和规律 ,探讨了地表变形对地面建筑物的损害 ,分析了建筑物高度对建筑物抗变形能力的影响 。
To dig the ground, as with a spade.
挖掘挖地，例如用铲子
To make by or as if by tunneling.
挖地道通过挖隧道或象通过挖隧道一样制作
He is digging in his garden.
他正在花园里挖地.
The prisoners had escaped by tunnelling.
犯人挖地道逃跑了.
They dug out the fox.
他们挖地逼出那只狐狸。
To dig(ground) with a spade.
掘地用铲子挖（地）
a mine where copper is dug from the ground.
从地面挖掘铜的地方。
To tunnel under(the earth or a surface feature.
挖沟在（土地或表层）之下挖沟
The fighters steadily dug themselves in.
战士们沉着地挖掘战壕。
to mine the castle walls
把地道挖到了城堡墙下
dig out from underneath earth or snow.
从地下或雪层下挖掘。
It is difficult to dig the grind when it is frozen hard .
当地面冻硬时，不易挖掘。
ditch the land to drain it.
在陆地上挖沟渠来排水。
She scraped a hollow place in the ground.
她在地上挖了一个窟窿。
He dug the garden bit by bit.
他一点一点地挖园子。
This ground is too hard to dig.
这块地硬得挖不动。
They toiled all day digging the trench.
他们整天艰苦地挖壕沟。
I dug a hole in the ground to plant the tree.
我在地上挖一个洞种树。
