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- Numerical simulation of the analysis of possibility of water inrush through fault 断层突水风险的数值模拟
- Keywords coal mining above confined aquifer,water inrush through fault,waterproof coal pillar,numerical simulation,Multifactor regression; 承压水上采煤;断层突水;防水煤柱;数值模拟;多元回归;
- water inrush through fault 断层突水
- Jin D W, Wang Y F, Ma P Z.Dynamics analysis on water inrush through coal bottom stratum[J].Journal of Xi'an Mining Institute, 1997,17(4):354-356. [5]靳德武;王延福;马培智.;煤层底板突水的动力学分析[J]
- Combined with engineering cases, the mechanism of inrush through fault which is water-inconductive in initial geological condition, has been studied. 结合工程实例分析了原始地质条件下的不导水断层在采动影响下透水并最终导致突水事故发生的作用机理。
- 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。
- 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。
- 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。
- 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。
- 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 rock in the fault zones in mine roadways are generally fractured and difficult to support.As they often connect with the water containing layer, water inrush is apt to occcur. 矿山巷道中的断层带岩石一般比较破碎,难以支护,而且常常与含水层导通,易发生涌水。
- 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。
- 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。
- This paper gives a description of the grouting technology for controlling water inrush from fault, the selection of grouting materials, the rational arrangement of grouting holes and grouting method. 介绍了断层突水治理的注浆工艺,并对注浆材料的选择,注浆钻孔的合理布置,合理的注浆方法作了祥细的介绍。
- Aimed at the shortcomings of coalface passing through fault as low speed, low efficiency and low-quality coal and so on, a new technique was suggested. 摘要针对采煤工作面过断层速度慢、效率低且影响煤质等缺点，提出工作面快速无矸石过断层清洁开采技术。
- 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。
- 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。
- 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。
- 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。
- These conclusions are confirmed by 1203 coalface in which water inrush occur but sand inrush not occur when mining in Shen-Fu mining area in shaanxi. 大柳塔1203工作面开采只发生了涌水而未溃沙，这和理论计算的结论基本一致。
