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- Base on the back ground of Dafosi Mine project,the key strata theory and cusp catastrophe theory was applied to analyze the mine water inrush mechanism from roof. 以大佛寺煤矿工程为背景,运用关键层理论与尖点突变理论分析了采场顶板透水的发生机理,认为基岩关键层突发性破断失稳是顶板突水的诱因。
- The paper stated the water inrush model of shearing failure at the karst sink hole bottom in North China coal field and analyzed the water inrush mechanism of the karst sink hole. 从论述华北型煤田岩溶陷落柱顶底部剪切破坏突水模式及判据入手,分析了井下溶陷落柱突水机理。
- 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。
- analysis of water inrush mechanism 突水机理分析
- water inrush mechanism 突水机理
- 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。
- 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。
- 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。
- 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。
- 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。
- water inrushing mechanism 突水机理
- 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。
- 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。
- 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。
- It is pointed out that main factors of water inrush of face are fracture developing degree and watery of sandstone aq... 研究结果对煤矿砂岩水害的有效防治具有重要的指导意义。
- A new calculating method for the mechanical behaviours of floors with underground water inrush inlongwall mining is proposed in this paper. 本文针对采场底板的层状结构特征，建立了分析采场底板突水问题的结构模型。
- The inrush mechanisms of high pressure groundwater from floor of coal seam and gob areas, as well as related preventing technology are the study emphases. 重点分析了深部煤炭资源开发过程中高承压水底板突出机理及其防治技术和废弃矿井老空水突出机理与防治技术。
