Pressure character in caving steep-inclined and extremely thick coal seam with horizontally grouped top-coal drawing mining method;
急倾斜特厚煤层水平分层开采矿压特征
The application of horizontal slicing-and-caving in 3~# ore body of Benxi uranium mine is discussed in this paper.
结合3#矿体地质赋存条件,改用水平分层崩落法对该矿体进行回采。
Based on ohde s theory, stress distribution theory and settlement formula in horizontally stratified ground, the trend of static cone penetration resistance near strata interface, and the influence area of the interface are quantitatively analysed, the calculation formulas and methods for the led depth and lag depth are present, the results are nearly coincide with actual measurement.
根据ｏｈｄｅ理论以及水平分层地基中的应力分布理论、沉降计算公式，对静力触探贯入阻力在地层分界面附近的变化趋势及分界面的影响范围作了定量分析，提出了相应的计算公式及方法，计算结果与实测较吻合。
horizontal cut and fill stoping
水平分层充填采矿法
flat back cut and fill method
水平分层充填开采法
timbered horizontal cut and fill stoping
木支护的水平分层充填采矿法
top slicing combined with ore caving
下向水平分层崩落采矿法
Horizontal layering is a prerequisite for the application of geoelectric master curves.
水平分层是应用电量板的先决条件。
Research on the Hierarchical and Classificastion Patterns for Undergaduate Teaching Quality Evaluation in Colleges and Universities
普通高校本科教学工作水平分层分类评估研究
Horizontal floor wiring-Sectional specification
水平层布线电缆分规范
Mechanism Analysis on Reduction of Displacement in Highrise Structures by Horizontal Strengthened Story
水平加强层减小高层建筑结构侧移的机理分析
PUSH-OVER ANALYSIS OF THE HIGH-RISE FRAME-CORE WALL STRUCTURES WITH STRENGTHENED STOREYS
带水平加强层的高层框架——核心筒结构push-over分析
Horizontal Seismic Response Analysis of Elevator System in High-rise Buildings;
高层建筑电梯系统水平地震响应分析
Carrying out the Grading Teaching Method and Improving Students English Proficiency;
实施分层次教学 提高学生英语水平
On Theorem Measure of Approximate resistivity of mineral forming level layer distribition;
介质成水平层状分布下视电阻率测量
The Multi-level Grouping Statistics of Crystal Report on the .NET platform
.NET平台下水晶报表的多层次分组统计
Analysis of phreatic water of Huaibei Plain in special drought period in 2009
淮北平原2009年特旱期浅层地下水分析
By using the method of level layer element, the distribution of passive earth pressure is analysed.
利用水平层分析法,分析被动土压力的分布规律。
The Analyses of the Subsurface Water Masses and Intermediate Water Masses of the Tropical Western Pacific and Their Decadal Variation;
热带西太平洋次表层水和中层水分布特征及其年代变化
The Hydrogeological Conditions of the Strata Under No.9 Coal Seam of Zhaigou Coal Field
寨沟井田二水平9号煤层底部岩层水文地质条件分析究与应用
Analysis on the devision of science and technology development levels of Henan;
河南省地市科技开发水平层次划分分析