中条山铜矿尾矿库侵蚀现状及防治措施
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Copper Mine and Tailings Storehouse Erosion Features and Its Control Measures in Zhongtiaoshan Mountain
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    摘要:

    铜矿尾矿库坝高库大,尾沙粒胶结性很差,十分松散,抗蚀能力极弱,在风力和径流作用下,风蚀、水蚀交替发生,坝坡侵蚀模数平均高达8万余t/(km2·a),库内风蚀模数3~4万t/(km2·a)。若防护不当,极易发生面蚀、沟蚀,直至垮坝成灾。保持尾矿坝体稳定和各子坝坡、坝顶的完整,是尾矿库尾沙安全存放的关键,从建库初期必须重视坝体结构、子坝护坡护顶及尾矿库保护等各项防蚀措施的建设。覆土利用是根治库区尾矿侵蚀,变害为利的有效措施,在同类或类似矿区应大力推广应用。

    Abstract:

    Wind erosion and runoff erosion alternatively take place under the action of wind force and runoff force in copper mine and tailings storehouse with high dam and big storehouse,and with very loose texture and very low resistance to erosion because lack of cement property for tailings sand parts. Soil erosion mudulus reaches 80 OOOt/kmZ.a in the slope of dam meanly,wind erosion mudulus reaches 30 000-40 OOOt/km’in the inside of storehouse.Surface erosion and gully erosion take place easily if the protective works were not carried out well.which will result in harmfullness. To conserve the stabilitydam is the key for secure storaged ahean·lsTsuch as dam structure,of tailingstailings dam and the integrity of slope and top of dam for every sub storehouse. Attention should be paid to every measure for erosionresistance, storehouse protection of dam anddam slopeand Utilization top of suberdam of tailing from the start of storehouse construction.coverin soil on dam protection beneficial measure to control erosion thoroughly around storehouse,and to turn harmfullness popularized and applied in the same mine regions on a big scale.benefity. measures should be popularized and applied in the same mine regions on a big scale.

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卫元太,宇文亮,杨才敏,陈荣华.中条山铜矿尾矿库侵蚀现状及防治措施[J].水土保持通报,1993,(6):1-6

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  • 收稿日期:1993-07-24
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  • 在线发布日期: 2014-12-01
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