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| 1 | 破碎围岩注浆加固技术研究现状及发展趋势显示文摘破碎围岩注浆加固对于巷道支护、煤矿安全生产具有重要意义,对破碎围岩注浆加固围岩分类方法、注浆加固材料的类型、注浆加固理论与注浆理论、注浆工艺、注浆加固效果检测进行了较为详细的论述与分析。同时提出了目前破碎围岩注浆加固技术存在的问题,并针对目前存在的问题,提出了破碎围岩注浆加固围岩分类、注浆材料、注浆工艺、注浆加固效果检测的发展趋势。 | 王晓蕾 秦启荣 苏培东 熊祖强 | 2017 | 科学技术与工程2017，17，23： | 14 |
| 2 | 深部综掘巷道机器人化超前支护方案与最佳支护时机研究显示文摘综掘工作面为顶板垮落、片帮等事故多发区,且随着煤炭开采深度的增加,安全问题更为严峻,严重威胁着煤矿工人的人身安全。超前支护是事故预防和安全保障的有效途径之一。基于自主设计的机器人化自移式支锚联合机组,提出了综掘巷道超前支护方案和支护时机的概念,阐述了支护机器人的结构与工作原理。以旗山矿地质条件为例,建立了巷道围岩-超前支架力学耦合模型,采用数值模拟分析了不同支护时机下巷道围岩变形与支架受力情况。结果表明:顶板下沉10~15 mm时,巷道围岩承载能力较强,平衡后顶板最大下沉量最小,约29.64 mm,超前支架顶部受力最小,约0.13 MPa,有利于超前支架的设计与巷道安全支护,为最佳支护时机。总结了综掘巷道最佳支护时机的确定方法,为利用巷道围岩的自承载能力、减小巷道围岩变形、降低巷道支护成本、提高巷道支护效率和安全性提供了思路。 | 薛光辉 程继杰 管健 李秀莹 吴淼 | 2019 | 矿业科学学报2019，4，4： | 12 |
| 3 | Pressure-relief and permeability-increase technology of high liquid–solid coupling blast and its application显示文摘As for the coal seam with high stress,high gas and low permeability,a single technology cannot prevent the complex dynamic disasters.Because of this,the study proposes a new method of pressure-relief and permeability-increase technology of the high liquid–solid coupling blast.Through coal seam injection and charging structure change,the paper fully works out the dual functions of the water and explosion.Using the theoretical calculation,numerical simulation and physical experiments,we obtained that the initial blasting stress,displacement and overpressure of the liquid–solid coupling blast are much better than that of ordinary blasting.The technology has been used in the relative coal mine,and the application results show that the technique has effectively prevented the coal and gas outburst,which has a wide range of application. | Hao Zhiyong Zhou Chao Lin Baiquan Pang Yuan Li Ziwen | 2014 | International Journal of Mining Science and Technology2014，24，1： | 3 |
| 4 | 煤矿井下自动封孔装置坐封与注浆压力研究显示文摘注浆压力和坐封压力是设计煤矿井下自动封孔装置所需的主要参数,同时也是自动化封孔施工设计的重要依据。以浆液的有效封堵半径为基础,采用理论计算、数值模拟等方法分析了不同注浆压力条件下的封孔效果,结合橡胶的Mooney-Rivlin本构模型的力学特征、挤压密封等原理,研究并确定最佳注浆压力和坐封压力。结果表明,注浆压力为2~4 MPa时浆液的径向封堵范围达2~4 m,可以满足对钻孔的封堵要求;当钻孔直径为96~100 mm时,坐封压力范围为2.2~8.4 MPa,可以使装置达到最佳坐封效果。研究结果可为装置的设计提供理论基础,为装置应用所需技术参数的确定提供理论依据。 | 李程程 王毅 王力 段会军 | 2021 | 煤田地质与勘探2021，49，2： | 3 |
| 5 | Flexible gel(FG) for gas-drainage drilling sealing material based on orthogonal design显示文摘Aiming to resolve the technical problems of lower gas concentrations and a reduced effective drainage period caused by gas-drainage borehole fracture development, a flexible gel(FG) gas-drainage borehole sealing material was developed that adapts to borehole deformation. In this study, based on orthogonal tests, the effect of the ratio of material to water, stirring time and stirring speed on the viscosity, filtration property, water retention and pumpability of the FG were studied. The results indicate that the stirring speed, ratio of material to water and stirring time in turn increased the viscosity and the ratio of material to water, stirring time and stirring speed enhanced the filtration property and water retention. The FG pumps smoothly and achieves the optimal state of high water retention, low fluid loss and low viscosity when the ratio of material to water is 1:10, the stirring speed is 800 r/min, and the stirring time is 12 min.The field test results indicate that, after using the FG, the average drainage gas concentration increases by25.9% and 27.6% and the average negative pressure of extraction increases by 2.7 k Pa and 3.5 k Pa compared with expansive cement and polyurethane, respectively. | Zhai Cheng Xu Jizhao Xiang Xianwei Zhong Chao | 2015 | International Journal of Mining Science and Technology2015，25，6： | 0 |
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