奥灰含水层综合防治技术研究

Study on integrated control technology of Ordovician Limestone aquifer

以福昌煤矿实际地质材料为背景,基于10 a水位统计以及突水系数,将回采区域划分为安全区域、威胁区域和突水危险区域。安全区域、威胁区域无需进行人工预防便可正常回采,但对于突水危险区域,则需采用下止浆塞的注浆方法对底板薄弱段进行注浆加固,工程应用效果显示,对突水区域进行注浆加固,工作面回采过程中无奥灰水渗出,注浆工艺效果显著。

Fuchang Mine actual geological materials were taken as the background,based on 10 years level statistics as well as the water inrush coefficient,the mining area was divided into safety area,threatened area and water inrush danger zone,among them,the safety area,threatened area without artificial prevention can adopted by normal recovery mining,the water inrush danger zone,with the check of slurry grouting method was adopted to bottom weak section of grouting reinforcement,engineering application results showed that the water bursting area of grouting reinforcement,in the process of the Ordovician Limestone water seepage,proved the success of the grouting process.