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以昆明轨道交通首期工程十四标北辰小区站为例,根据工程地质与水文地质条件,结合降水试验及现场实际情况对原设计车站南区的坑底水平封堵措施进行优化,采用“封堵墙+强降水”措施来实施。详细叙述了降水试验过程及最终降水方案的确定,通过对周围环境的监测表明降水措施对周边影响满足要求。结果表明,通过优化节省了工期,创造了良好的社会与经济效益。
Taking the 14th Beichen district station as the first phase of Kunming rail transit project as an example, according to the engineering geology and hydrogeological conditions, combining with the precipitation test and the actual situation of the site, the sealing measures at the bottom of the pit in the south of the original design station are optimized. Blocking wall + heavy rainfall "measures to implement. Described in detail the process of precipitation test and the final precipitation program, through the monitoring of the surrounding environment shows that the impact of precipitation measures on the surrounding to meet the requirements. The results show that by optimizing to save time and create good social and economic benefits.