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- From investigating at field and laboratory, the coal mining method and its technical parament have a much effect on controling floor water inrush. 通过现场实测和室内研究表明,采煤技术因素对底板突水的影响很大。
- floor water inrush 底板突水
- Therefore, it is great meaning to research the influences of fault to water inrush in floor. 因此,研究断层在底板突水过程中的作用影响,意义重大。
- According to the model,applying the cusp catastrophic theory the mechanics mechanism of water inrush is analyzed from key stratum of floor. 当满足关键层失稳的充要力学条件时,承压水底板有可能发生失稳突水。
- Satisfying the sufficient mechanics condition for key stratum instability, a water inrush is likely to happen in the floor. 当满足关键层失稳的充要力学条件时,承压水底板有可能发生失稳突水。
- Mining on the top of water-pressured, the water inrush in coal floor is a complex nonequilibrium and nonlinear evolution process. 摘要在承压水体上开采时,煤层底板突水过程是一个复杂的非平衡、非线性的演化过程。
- Water inrush prediction is an important mine hydrogeological work. 突水预报是一项重要的矿井水文地质工作。
- The in situ rock stress prevents the rise of confined water and water inrush for thick floor aquifuge,but for thin floor aquifuge the in situ rock stress wo... 指出对于厚底板隔水层,原岩应力起着阻止底板承压水上升和突出的作用,对于薄底板隔水层,原岩应力起着破坏底板、导致承压水突出的作用。
- This paper puts forward a new mechanism of water inrush through the seam floor (WISF).It is emphasised that water inrush is a local destabilization caused by defects. 本文论述了矿井煤层底板突水是一种由缺陷诱导的局域失稳,特别强调存在两种时间尺度的缺陷变化过程。
- The principle of WKS in water-preserved mining has been successfully applied to the disaster prevention of water inrush from roof and floor in working face. 保水采煤的隔水关键层原理在采场顶底板突水灾害防治中得到了成功应用。
- The in situ rock stress prevents the rise of confined water and water inrush for thick floor aquifuge,but for thin floor aquifuge the in situ rock stress wo. 介绍了水力压裂应力测量的原理和现场测量结果,论述了煤层底板隔水层带的阻水机理和承压水沿煤层上升的机理,以及原岩应力、水压与裂隙扩展的关系。
- The article takes water resisting floor as brittle rock mass,and thinks that water inrush from floor is caused by rock mass sliding along a fracture plane. 把隔水底板作为脆性岩体,认为底板突水是由于岩体沿断裂面发生滑动造成的。
- On these work,we take the outstanding achievement of no water inrush accid... 这些措施对类似矿区的防治水工作具有一定的参考价值。
- The results are of great significance for preventing floor water irruption. 试验成果对防治底板承压水的突出具有较大的意义。
- Bases on thevarious floor the author has studied detailly the water inrush mechanism of Ordovicianlimestone.That is floor failure water inrush, fault water inrush, and canny water inrush. 针对不同的底板情况,详细研究了奥灰含水层的突水机理,提出三种奥灰突水类型,即底板破坏型,断层型和裂隙型突水。
- With further analysis comparing, the research generalizes the influence of fault to water inrush. 进一步分析比较,研究总结出断层对底板突水的影响作用。
- Based on this point,the middle-short-term forcast methods in floor water irruption are put forward. 在此基础上,提出了进行底板突水中、短期预测预报的方法。
- So setting up fault waterproof pillar is an important measurement which can stop water and prevent fault water inrush. 而留设断层防水煤柱就成为一种堵塞通道、隔断水源,防止构造突水的重要措施。
- Floor water irruption is a complicated process of geology and mechanics. There are various factors which influence the process. 底板突水是一个十分复杂的地质力学作用过程;影响突水的因素是多方面的.
- However, without theoretical calculation, serious accidents such as the water inrush in Shanghai Subway Line 4 occurred. 然而,由于计算理论的不完善,也出现过诸如“上海地铁四号线透水”的重大工程事故。