Water inrush disasters in karst areas have caused great losses to underground engineering construction. so it is urgent to control water gushing disasters in karst pipelines. In this paper. solution polymerization is used to prepare a grouting and sealing expanded matrix material to control disasters. https://uyqvimjermg12l.timeblog.net/70688320/real-time-uncertainty-specification-of-all-sky-imager-derived-irradiance-nowcasts