Concept of both short voussoir beam and step beam in shallow seam and voussoir beam theory侯忠杰1201-1204
Theoretical study on the backfill grouting in caving area with strip mining李兴尚, 许家林, 朱卫兵, 王晓振1205-1210
The air impulsion coupling model with roof caving and its difference solution under closed goaf顾铁凤, 宋选民1211-1215
Study on improving upper limit in thick seams slicing mining under thick alluvium郭忠平, 文志杰, 王付清1220-1223
Deformation mechanism of greatly cracked tunnel and support technique by grouting and bolting祁和刚, 郭夕祥, 于士芹, 辛中选, 于剑英1224-1229
Experiment of the axial compression of bored shafts and slipping of a shaft pan in sinking of drilling shaft lining牛学超, 洪伯潜, 杨仁树1235-1238
Analysis and feature extraction of GPS data sequence based on M-band wavelet packet曲国庆, 党亚民, 章传银, 苏晓庆1243-1247
