我国首次淤泥下岩塞爆破在汾河水库取得成功１９９５年５月２５日我国首次淤泥下岩塞爆破在汾河水库进行。爆破位于泄洪洞出口处，爆破后观测，隧洞出口处破坏甚微，仅在右侧墙下部有一处混凝土保护层磨蚀，露出钢筋。说明我国首次淤泥下岩寒爆破是成功的。岩塞爆破是一种... China’s first muddy rock burst under the Fenhe Reservoir successfully achieved on May 25, 1995 China’s first muddy rock burst blasting in the Fenhe Reservoir. Blasting is located at the exit of spillway tunnels. After blasting, the tunnel exit is not damaged so much. Only a concrete protective layer is abraded in the lower part of the right wall to expose the rebar. It shows that the rock blasting under the first silt in our country is successful. Rock burst is a