| 新疆大南湖北露天煤矿首采区Ⅲ火烧区地下水资源的数值模拟 |
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| 引用本文： | 孙德全,鲁孟胜,张兆民.新疆大南湖北露天煤矿首采区Ⅲ火烧区地下水资源的数值模拟[J].煤田地质与勘探,2014,42(4):64-68. |
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| 作者姓名： | 孙德全 鲁孟胜 张兆民 |
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| 作者单位： | 山东省煤田地质规划勘察研究院;中国矿业大学环境与测绘学院; |
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| 摘 要： | 大南湖北露天煤矿首采区东南部需要揭露Ⅲ火烧岩区一部分，这使得烧变岩水成为露天煤矿矿井充水的主要水源。资源勘探阶段的水文地质资料表明，烧变岩区赋水空间发育、透水能力强，储存量非常可观，但由于受资源勘探阶段水文地质勘探工程量制约，水文地质条件未能详细查明，现有水文地质成果尚不能满足首采区对烧变岩水疏排设计的要求。对烧变岩地下水资源进行模拟开采性抽水试验，获取Ⅲ火烧区的水文地质参数，利用数值模拟的方法，运用MODFLOW软件建立了III火烧区地下水数值模型，并模拟计算出了Ⅲ火烧区地下水储存量。经验证，本次模拟所取得成果与煤矿实际情况相符，能够作为首采区矿坑疏排水设计依据。
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| 关 键 词： | 煤矿 火烧区 地下水数值模拟 地下水储存量 |
| 收稿时间： | 2013-02-26 |
The numerical simulation of groundwater resources in burnt zone of the first mining area III in Dananhu northern surface mine of Xinjiang |
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| Abstract: | A portion of zone III of burnt rocks is needed to be exposed in the southeast of the first mining area in Dananhu northern surface mine, making the water in burnt rocks become the main source of mine water recharge. Hydrogeological data in exploration stage show that water bearing space is developed, the permeability is high, the water reserves are large. But because of the constraints of hydrogeological exploration engineering amount, hydrogeological conditions could not be investigated in detail. The available hydrogeological data could not meet the requirements for the design of water drainage in burnt rocks in first mining zone. Simulated pumping test was conducted for groundwater resources of the burnt rocks, we obtained the hydrogeological parameters of burnt zone III. By using the numerical simulation method and MODFLOW software, we built the numerical model of groundwater in burnt zone III, calculated the groundwater reserves in burnt zone III. Through verification, the simulation results coincided with the actual situation of the mine, and can be used as the dewatering design basis in the first mining zone. |
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