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- solution mining subsidence 水溶开采沉陷
- Mining subsidence affects ecological environment of minefield. 采煤塌陷,严重破坏了矿区的生态环境。
- Ground environment is damaged and the serious mining subsidence calamities come out by common mining technology. 摘要常规方法开采煤炭已对地面环境造成了严重的沉陷灾害。
- The conventional mining causes the mining subsidence and at the some time a refuse heap arises on the ground. 常规开采在地面堆积矸石山的同时引起开采沉陷。
- Mining subsidence not only damages terrain, hilt also disturbs the condition of phreatic level, and then affects the growth of crop and plant. 开采沉陷不仅破坏了地表形态,同时改变了潜水位的赋存条件,从而影响地表作物和植被的生长。
- The mining subsidence mechanism of metal mine with fractured blocky rock mass is different from that of coal mine with layered rock mass. 摘要金属矿山多为裂隙发育的块状岩体,因而开采引起的地表沉陷机制不同于层状地层的煤矿。
- Solution mining is a available method to extract gold from lean ore, relic, waste dumps and tailings. 溶浸采矿是从贫矿、残矿、废石堆、尾矿中提取金的一种行之有效的方法。
- The key to solution mining of the polyhalite lies in dissolution of its valuables. 溶浸开采可能成为深埋藏杂卤石的开发的有效途径。
- R.E.Gray.Coal Mine Subsidence and Structures[J].Mine Induced Subsidence, 19 8 8, (5) : 6 9 - 8 6. 吴立新;王金庄.;建(构)筑物下压煤条带开采理论与实践[M]
- It is possible for solution mining to become a effective way for exploiting deeply-lying polyhalite. 溶浸剂种类、浓度,矿层组成、厚度,矿石有效孔隙度和粒度,溶浸剂流速等是影响溶解开采深埋藏杂卤石的技术因素。
- Mining subsidence is an important environmental geotechnical engineering problem in regional planning and transportation construction in Xuzhou. 煤矿采空塌陷是影响徐州地区区域规划与交通建设的重要环境岩土工程问题。
- To the solution mining in-sit, the voidage of dissolved glauberite is a crucial factor. 摘要水溶过程中矿石的空隙度是确定该矿床能否采用原地水溶开采方法开采的决定性因素。
- To implement CIM technology in salt solution mining is the need of technology progress in continuous process. 在岩盐水溶开采生产中实施CIM技术是连续型生产过程技术进步的需要。
- In light of the characteristics of Nonpillar sublevel caving method,Probability integral method is used to predict mining subsidence and modified to improve predicting accuracy. 针对无底柱分段崩落法的采矿特点,把概率积分法引入金属矿山开采沉陷预测中,并通过模型修正提高预测精度。
- The lower section of center pipe ruptured is anormal failure in solution mining. 中心管下部发生变形断裂,是单井对流采卤工艺中的常见事故之一。
- Correctly evaluating hydrological geology characteristics of mining subsidence area is the key of realizing continuable utilization of mining subsidence land. 摘要正确评价采煤沉陷区的水文地质特征是实现采煤沉陷土地持续利用的关键。
- Wu C S, Yang J L.Mathematical model of solution mining in single well[J].Mechanics in Engineering, 2003,25(1): 11-13. [2]吴乘胜;杨俊六.;单井对流法水溶采矿的数学模型[J]
- Predicting parameters of this are variational in different mining degree and the predicting precision for mining subsidence depends on variational laws of dynamic parameters. 该方法中的预计参数在不同采动程度下是变化的。能否准确获知动态参数的变化规律将决定着开采沉陷的预计精度。
- The Paper expounds the status of mining subsidence and land reclamation and utilization in Tangshan, It also summerizes some methods that other similar mine can make use of. 唐山市被列入国家级采煤塌陷地综合治理示范区以来,加大了塌陷区的复垦力度,使采煤塌陷地复垦率和利用效率有了很大提高。