1) poor water content loose aquiclude
弱松散含水层
1.
Through the analysis of the theoretical principles, the typical cases and the test mining,this paper discusses the mining on the coal face without sand control seam under the poor water content loose aquiclude.
本文从理论分析、典型调查、开采试验等三个方面阐述和验证了在弱松散含水层下实现无防砂保护层的煤层开采不仅具有安全性 ,而且对扩大煤的可采储量、延长矿井服务年限有着重要的意义 。
2) loose aquifer
松散含水层
1.
Based on geological and mining conditions of Baodian Colliery and occurrence characteristic of loose aquifer,a set of successful mining experience of 1316 Full-mechanized Caving Mining Face of 1st Mining Area under loose aquifer of quaternary system was concluded here.
根据鲍店煤矿的地质采矿条件,结合松散含水层的赋存特征,总结了一采区1316综放工作面在第四系松散含水层下开采的成功经验。
2.
Based on the geological and mining conditions and occurrence characteristics of loose aquifer of Xinglongzhuang Colliery,water bursting cause of 4303 full-mechanized caving mining face under loose aquifer was analyzed,the prevention measures of the 3rd aquifer and reasonable dimension of coal pillar for sand proof were discussed in this paper.
根据兴隆庄煤矿地质采矿条件,结合松散含水层赋存特征,分析了四采区4303综放工作面第四系松散含水层出水的原因,探讨了防治三含水的技术途径和留设防砂煤柱的合理尺寸。
3) water bearing soft strata
含水松散层
1.
Numerical simulation study on the damage rule of overlying strata in mining under water bearing soft strata
含水松散层下煤层开采覆岩破坏规律的数值模拟研究
4) unconsolidated confined aquifer
松散承压含水层
1.
Mechanism of supports crushing accident and its preventive measures during coal mining near unconsolidated confined aquifer;
邻近松散承压含水层开采工作面压架机理与防治
2.
By using the specially designed simulator for unconsolidated confined aquifer,experiments on the load transfer mechanism of unconsolidated confined aquifer were carried out for the first time both at home and abroad.
利用专门设计的实验模拟装置,首次就松散承压含水层的载荷传递机理进行了实验研究。
5) under unconsolidated water-bearing strata
松散含水层下
6) thick aqueous soil layers
厚松散含水层
1.
The results reveals a mechanism of subsidence by mining in mines with thick aqueous soil layers and is of significance in increasing accuracy of subsidence prediction.
通过实验、实测和理论分析 ,研究了永夏矿区厚松散含水地层内部非采动沉陷原因 ,揭示了厚松散含水层地区开采沉陷特殊性的机理 ,对提高开采沉陷预测的精度具有重要意义。
补充资料:含水层
见地下水。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条