论文部分内容阅读
目录 1.地表稳定性的概念:有限稳定性与暂时稳定性 1.1 在稳定的保护矿柱范围内部分回采引起的覆岩移动 1.2 地表和覆岩永久的与非限定的稳定性并不总是研究部分回采的目的 2.普通房柱法、稳定矿柱和均匀下沉矿柱的尺寸及其中心距的计算 2.1 岩石破坏的准则 2.2 稳定矿柱和均匀下沉矿柱的计算 3.普通房柱法回采的保护矿柱及其布置原则 4.普通房柱法采区的监视和特殊预防措施 4.1 保护矿柱的监视 4.2 下沉矿柱采区的监视 5.普通房柱法使用范围 6.一般尺寸的和缩小尺寸的小采区房柱法 6.1 两种小采区房柱法的定义 6.2 缩小尺寸的小采区房柱法的应用 7.祖德雷维尔铁矿的缩小尺寸的小采区房柱法试验
Contents 1. Concept of surface stability: limited stability and temporary stability 1.1 Overlying strata movements caused by partial recovery within a stable protective pillar range Permanent and unconfined stability of surface and overburden strata is not always studied Part of the purpose of the mining 2. Ordinary post method, the stability of ore column and uniform sinking ore column size and its center distance calculation 2.1 Criterion of rock failure 2.2 Calculation of stable ore column and uniform sinking column 3. Ordinary column Law mining protection pillar and its layout principle 4. Ordinary house pillar method mining area of the monitoring and special precautions 4.1 Protection of ore pillar monitoring 4.2 sinking ore column mining area 5. Ordinary room column method range of use 6. General Size and downsizing of the small mining area Housing method 6.1 Two kinds of small mining method of housing the definition of 6.2 small size of the small mining area Housing Method of application 7. Juderewville iron ore small mining area Housing and column test