The stability of a testing stope of No.1 orebody in Jinfeng and the practice of ground pressure control;
金鳳公司1號礦體試驗采場穩定性及地壓控制的實踐
Ground pressure control is a major content in block caving process.
地壓控制是自然崩落法采礦活動過程中的一項重要內容 ,拉底與放礦工作是控制地壓的最主要的手段 ,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.
簡要介紹了金屬礦山地壓控制技術的研究內容,綜述了國內外地壓控制技術研究進展,指出了我國金屬礦山地壓控制研究存在的問題和發展方向。
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.
針對復雜地形條件下工程開挖的實際情況，利用Ｆｕｚｚｙ數學和灰色系統理論建立了預測山區地下開挖引起巖體及自然邊坡失穩的數學模型，并對具體礦山工程中巖體移動和自然邊坡失穩問題進行了計算和分析。
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計算模型 ,補充和發展了 DDA計算程序 ,分析了邊坡大位移問題和地下開挖引起地面變形的工程實例 ,并與離散元計算結果進行了比較研究。
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.
為了保證地下開挖影響下建筑物的正常使用,需要準確評價地下開挖工程對臨近建筑物損害影響的程度。
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.
針對城市建設和礦山生產的地下開挖問題 ,研究了地下開挖引起地表變形的特征和規律 ,探討了地表變形對地面建筑物的損害 ,分析了建筑物高度對建筑物抗變形能力的影響 。
To dig the ground, as with a spade.
挖掘挖地，例如用鏟子
To make by or as if by tunneling.
挖地道通過挖隧道或象通過挖隧道一樣制作
He is digging in his garden.
他正在花園里挖地.
The prisoners had escaped by tunnelling.
犯人挖地道逃跑了.
They dug out the fox.
他們挖地逼出那只狐貍。
To dig(ground) with a spade.
掘地用鏟子挖（地）
a mine where copper is dug from the ground.
從地面挖掘銅的地方。
To tunnel under(the earth or a surface feature.
挖溝在（土地或表層）之下挖溝
The fighters steadily dug themselves in.
戰士們沉著地挖掘戰壕。
to mine the castle walls
把地道挖到了城堡墻下
dig out from underneath earth or snow.
從地下或雪層下挖掘。
It is difficult to dig the grind when it is frozen hard .
當地面凍硬時，不易挖掘。
ditch the land to drain it.
在陸地上挖溝渠來排水。
She scraped a hollow place in the ground.
她在地上挖了一個窟窿。
He dug the garden bit by bit.
他一點一點地挖園子。
This ground is too hard to dig.
這塊地硬得挖不動。
They toiled all day digging the trench.
他們整天艱苦地挖壕溝。
I dug a hole in the ground to plant the tree.
我在地上挖一個洞種樹。