高堆磷石膏尾矿坝扩容加固措施研究

Research and development measures for expansion and reinforcement of high-rise phosphogypsum tailings dam

研究了对尾矿磷石膏坝扩容堆高过程的工程特性,总结了我国尾矿坝扩容堆高关键技术和抗震加固措施.结合云南吴家箐磷石膏尾矿坝工程特点和扩容加固经验,分析了多种磷石膏尾矿坝扩容加固措施(降低坝体浸润线、碎石桩、加筋结构、改善筑坝工艺、改变坡面)的抗震性能,提出了一种磷石膏尾矿坝综合扩容加固措施.

This paper studied on engineering characteristics of the process of expanding the reactor height of tailings phosphogypsum dam,the key technologies and seismic strengthening measures for the expansion of the tailings dam in China were summarized.Combining the characteristics of Yunnan Wujiayu phosphogypsum tailings dam project and experience in capacity expansion and reinforcement,the seismic performance of various phosphate gypsum tailings dam expansion and (reducing the dam body saturation line,gravel pile,reinforced structure,improving dam construction,changing the slope) reinforcement measures was analyzed.A comprehensive expansion and reinforcement measures for phosphogypsum tailings dam were proposed.