Based on the tunnel project of TJ04 contract section of Shiqian Yuping (Dalong) expressway in Guizhou province of Zhongjiao Road and Bridge North China Engineering Co., Ltd., this subject mainly studies the influence ...Based on the tunnel project of TJ04 contract section of Shiqian Yuping (Dalong) expressway in Guizhou province of Zhongjiao Road and Bridge North China Engineering Co., Ltd., this subject mainly studies the influence causes of karst tunnel excavation methods and blasting parameters under different geological conditions, puts forward the excavation methods and blasting parameters suitable for karst tunnel excavation, and guides the blasting construction of Karst tunnel of this project. Ensure the smooth completion of the karst tunnel construction of the project, minimize the later operation and maintenance costs, and provide feasible guidance and suggestions for the subsequent construction of similar projects.展开更多
文摘Based on the tunnel project of TJ04 contract section of Shiqian Yuping (Dalong) expressway in Guizhou province of Zhongjiao Road and Bridge North China Engineering Co., Ltd., this subject mainly studies the influence causes of karst tunnel excavation methods and blasting parameters under different geological conditions, puts forward the excavation methods and blasting parameters suitable for karst tunnel excavation, and guides the blasting construction of Karst tunnel of this project. Ensure the smooth completion of the karst tunnel construction of the project, minimize the later operation and maintenance costs, and provide feasible guidance and suggestions for the subsequent construction of similar projects.