榆横矿区巴拉素井田水文地球化学特征研究

方刚; 杨建

榆横矿区巴拉素井田水文地球化学特征研究

方刚,
杨建

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- 发布日期: 2019-08-19

Research on Hydrogeochemical Characteristics in Balasu Well Field of Yuheng Mining Area

摘要

摘要: 榆横矿区(北区)内大型井田较多,煤炭资源丰富,但均受水害威胁。为了准确快速判别矿井出水水源,以巴拉素井田为例,采用水质全分析、同位素测试、有机物检测、腐蚀性评价等多种方法对各类水体的水文地球化学特征进行研究。结果表明:从地表水体→浅部含水层→深部含水层,总的水化学类型变化规律为HCO₃-Ca·Mg→HCO₃-Na→SO₄-Na;各类水体由浅到深分别属于现代地下水、亚现代地下水,或亚现代与近期补给的混合水;TOC和UV₂₅₄随着含水层深度增加而逐渐降低,不同水体表现出DOM荧光特征有所差异;随着埋深的增加,各类型水对混凝土结构腐蚀性、对钢筋混凝土结构中钢筋腐蚀性和对钢结构腐蚀性等级由微弱到强。
- 水文地球化学特征 /
- 巴拉素井田 /
- 水质全分析 /
- 同位素测试 /
- 有机物检测 /
- 腐蚀性评价
Abstract: There were many well fields in Yuheng Mining Area (northern district) with rich coal resources, but they were threatened by water hazards. To accurately and fast discriminate water filling source of the mines, taking Balasu Well Field as an example, we research hydrogeochemical characteristics by using many methods such as complete water quality analysis, isotope test, organic detection and corrosion evaluation for all kinds of waters in this area. The results showed that, the change rules of total hydrochemical type from the surface waters to the shallow aquifer to the deep aquifer was HCO₃-Ca·Mg, HCO₃-Na, and SO₄-Na. All kinds of waters belong to the modern groundwater, sub-modern groundwater, or the mixed water of sub-modern and recent supply from shallow to deep. As the aquifer deepens, the data of TOC and UV₂₅₄ gradually decreases, and different waters showed different DOM fluorescence characteristics. With the increase of buried depth, the degree of corrosiveness of various types of water to concrete structures, steel reinforcement and steel structures is from weak to strong.
- hydrogeochemical characteristics /
- Balasu well field /
- complete water quality analysis /
- isotopic test /
- organic detection /
- corrosive evaluation

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参考文献(21)

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榆横矿区巴拉素井田水文地球化学特征研究

计量

出版历程

Research on Hydrogeochemical Characteristics in Balasu Well Field of Yuheng Mining Area

计量

出版历程

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