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6 Result(s)

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  1. No Access

    Article

    A reinforcement method of floor grouting in high-water pressure working face of coal mines: a case study in Luxi coal mine, North China

    The working face is seriously threatened by limestone aquifer with high-water pressure in coal seam floor when Permo-Carboniferous coal is mined in North China Coalfield. Mine water control has become one of t...

    Minglei Zhai, Haibo Bai, Luyuan Wu, Guangming Wu… in Environmental Earth Sciences (2022)

  2. No Access

    Article

    Study on the failure mechanism of clay layer overlying thin bedrock in coal seam mining

    The water-blocking property of clay at the bottom of the Cenozoic overburden is an important factor for mining safety and protecting underground latent water resources in thin bedrock coal seam mining. The fai...

    Guangming Wu, Haibo Bai, Bin Du, Luyuan Wu, Shixin He… in Environmental Earth Sciences (2019)

  3. No Access

    Article

    A method for prevent water inrush from karst collapse column: a case study from Sima mine, China

    Mining-induced groundwater inrush could result in serious economic losses and casualties. This disaster usually depends on geological structure, such as the karst collapse column (KCC). It could reduce the aqu...

    Hao Li, Haibo Bai, Jianjun Wu, Huiming Zhao, Kai Ma in Environmental Earth Sciences (2017)

  4. No Access

    Article

    Impact of particle transfer on flow properties of crushed mudstones

    Karst collapse pillar (KCP) is widespread in North China coalfields, where coal extraction above the Ordovician limestone aquifer is threatened by the abundant supply of water and a very high hydraulic pressur...

    Dan Ma, **exing Miao, Haibo Bai, Hai Pu, Zhanqing Chen… in Environmental Earth Sciences (2016)

  5. No Access

    Article

    Compaction and seepage properties of crushed limestone particle mixture: an experimental investigation for Ordovician karst collapse pillar groundwater inrush

    As mining activity rapidly develops to deeper and deeper ground, there have been an increasing number of groundwater inrush events occurring in China. The Ordovician limestone karst collapse pillar (KCP), whic...

    Dan Ma, Haibo Bai, **exing Miao, Hai Pu, Bangyou Jiang… in Environmental Earth Sciences (2015)

  6. No Access

    Article

    Effect of Particle Mixture on Seepage Properties of Crushed Mudstones

    Crushed rocks, especially mudstones, whose seepage properties are strongly influenced by particle mixture during compaction due to muds will be washed away after water flow. The present study focuses on the po...

    Dan Ma, Haibo Bai, Zhanqing Chen, Hai Pu in Transport in Porous Media (2015)