三山岛金矿海底开采井下沉降特点及影响因素浅析

张国栋,刘佳,马凤山,李光,郭捷

Analysis on the Characteristics and Influencing Factors of Underground Settlement in Submarine Mining of Sanshandao Gold Mine

Guodong ZHANG,Jia LIU,Fengshan MA,Guang LI,Jie GUO

表1 各开采中段出矿量所占当年出矿总量的比例

Table 1 Proportion of ore output in each mining sublevel to the total ore output in the current year

中段名称 各年份出矿总量比例/% 2016 2017 2018 2019 2020 2021 -200 m中段 8.42 2.47 2.01 1.34 3.88 3.78 -240 m中段 11.65 7.24 1.42 6.15 6.60 6.72 -320 m中段 10.36 8.55 1.19 1.41 4.15 9.66 -400 m中段 7.65 9.67 4.70 1.44 0.57 2.37 -480 m中段 12.91 13.21 8.30 3.41 10.03 4.50 -600 m中段 0 1.65 4.35 15.93 9.72 1.00