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
图4 -200 m(a)和-240 m(b)中段累积沉降量曲线
Fig.4 Cumulative settlement curves of -200 m sublevel (a) and -240 m sublevel (b)