您要查找的是不是:
- With the increase of mining depth, the problem of floor heave of roadway could become more and more serious. 摘要随着开采深度的不断增加,巷道底鼓问题日趋严重。
- So the method of reinforcing sides to control floor heave of extraction opening is proposed in this paper.A practical case ... 因此,提出了加固两帮控制深井巷道底鼓的构想,工程实践证明,加固两帮可在一定程度上控制深井回采巷道底鼓。
- A principle of floor heave controlling is controlling is pro-Posed, which has been verified in Maoming Mine.Formulae for evaluating rodway floor heave are de-rived... 并根据底臌变形过程提出了防治底胶的基本原则,这些原则在治理茂名软岩巷道底臌中得到证实。
- It is proved that the floor heave of the roadway is not uniform and the whole working is rotated toward the inclination of coalscam because of the uniformless pressure. 其底臌是不均匀的。同时,巷道整体有按煤层倾向方向的相对转动。
- Basing on this, the paper researches the mechanism of floor heave, and analyzes the effects of gravity stress, tectonic stress, the strength of surro... 在此基础上,研究深部开采条件下巷道底鼓发生的机理,并对自重应力、构造应力、围岩强度、地温、水对底鼓的影响进行了分析。
- Accordingly the surrounding rocks were reinforced by bolting and grouting, and the grid steel frame reinforced concrete was used to control the floor heave. 因此,采用锚注技术加固围岩和格栅钢架混凝土反拱治理底鼓的治理措施,根治了巷道变形,取得了良好的经济效益。
- The study shows that laneway floor heave has various types such as extrusion,deflection,inflation and shear dilation,with the shear dilation being the most commonly seen. 研究表明,巷道底臌有挤压、挠曲、膨胀和剪胀等形式,剪胀底臌是最常见的一种形式。
- Basing on this, the paper researches the mechanism of floor heave, and analyzes the effects of gravity stress, tectonic stress, the strength of surrounding rock, terrestrial heat and imbibition water on floor heave. 在此基础上,研究深部开采条件下巷道底鼓发生的机理,并对自重应力、构造应力、围岩强度、地温、水对底鼓的影响进行了分析。
- The thesis analyzes the effect of the increase of mining depth on the floor heave, discusses the laws that gravity stress, tectonic stress, the strength of surrounding rock, terrestrial heat and imbibition water change with the increase of mining depth. 分析了采深对巷道底鼓的影响,以及自重应力、构造应力、围岩强度、地温、水随开采深度变化的规律。
- The mechanical model for the floor heave of shear dilation type and its analytic calculation diagram are established in accordance with the constitutive relationship of laneway wall rock. 根据巷道围岩本构关系,建立了剪胀底臌力学模型及分析计算简图,根据岩土体主动和被动压力作用原理,导出了巷道底板塑性区发展范围、深度及底板压力解析计算式。
- RESEARCH ON FLOOR HEAVE OF ROADWAY IN DEEP MINING 深部开采中巷道底鼓问题的研究
- Measures of Preventing Floor Heave of Coal Seam 防治煤层底板易鼓的措施
- Don't scrape your feet on the floor. 别用脚蹭著地板。
- The tables are firmly fixed to the floor. 桌子都牢牢地固定在地板上。
- Floor heave of shear dilation type 剪胀底臌
- He gave the discus a tremendous heave. 他猛一使劲掷出铁饼。
- It's a very bad thing to heave things around. 把东西到处乱扔是很不好的习惯。
- For titled stratum,the floor heaves are generally of slope shape with the bigger heaves on the rise side and the smaller on the dip side. 对于倾斜岩层,巷道的底板一般呈坡状鼓起,上帮底的底鼓量较大,下帮底的底鼓量较小。
- The book hit the floor with a thud. 这书砰的一声落在地板上。
- With one more heave, we got the box onto the shelf. 我们再使把劲,就把箱子抬到架子上了。