The scale of large cavern group is beyond current regulation. The structure of cavern group and the geologic environment where is located in are complicated, therefore, the factors affecting the surrounding rock stability are complicated too. How to dynamically and rapidly redesign the support system based on monitoring data? That is a very important problem need to be solved. In the dissertation, aiming at the underground powerhouse engineer of Qingjiang Shuibuya hinge, the method of integrated dynamic fee...