摘要
海底开采存在一定的技术难题,在整个开采过程中,尤其要注意安全及地表变形或沉降等问题。通过分析三山岛原有海底开采方法的不足,提出2种适合海底开采的较优方案:脉外采准岩层微扰低沉降房柱式分层充填采矿法和高进路充填采矿法,一方面可有效防止地表塌陷等问题,另一方面通过工程实施,矿山经济效益显著增长。目前,三山岛海底开采在-165 m以下进行,在保证安全开采的前提下,为进一步提高矿山生产能力,研究认为,通过合理利用一些技术措施,护顶层中-165～-85 m水平的矿体可回采利用。
Seabed mining has some technical problems,we particular attention to safety and surface deformation or settlement problems in the mining process.By analyzing the disadvantage of original seabed mining method of Sanshandao gold mine,we propose two kinds of optimum programs for seabed mining,a quasi-rock pulse perturbation outside the lower layer deposition room and pillar filling method and high approach filling method.On the one hand,it can effectively prevent ground subsidence and other problems,on the other hand,through the implementation of the project,the economic benefits of the mine significant growth.Currently,Sanshandao seabed mining conduct below in the-165 m,in the premise of ensuring safety mining,in order to further improve mine productivity,we suggest that using some technical measures,-165～-85 m level orebody of nursing top can be used recovery.
出处
《黄金科学技术》
2010年第3期9-13,共5页
Gold Science and Technology
关键词
海底开采
充填采矿法
地表变形
三山岛金矿
山东省
Seabed mining
Filling method
Surface deformation
Sanshandao gold mine
Shandong Province
