EPS路基在地铁上方道路的设计应用

随着地铁建设和城市开发的不断推进,影响地铁结构安全的因素不断增加。影响因素的复杂化使地铁管理部门对各方面的控制越加严格。地铁上方道路建设应采取适当方法减轻或消除道路建设对地铁结构安全的影响。泡沫混凝土作为一种轻质材料层,被广泛应用于轨道交通结构上方的填筑路基。但是泡沫混凝土工后吸水率大,在复杂情况下已无法作为轨道交通结构上方填筑材料。为解决相关问题,本项目利用EPS轻质材料对地铁上方新建道路进行等效荷载路基换填处理,通过总结设计经验希望为其他相关项目的方案选择和设计提供参考。

Design and Application of EPS Subgrade in Road above Subway

Research on the service level of accessible facilities of urban rail transit is conducive to clarify the current development level and the future development direction of urban rail transit. Taking Metro Line 3 in Suzhou as the research object, the analysis and research are carried out according to the opinions collected from all parties in the earlier investigation stage, and a multi-level accessible facility service level evaluation index system is established. The evaluation system is composed of two criterion levels and nine influencing factors to introduce the fuzzy mathematics into the analytic hierarchy process. The AHP-fuzzy comprehensive evaluation method combining the subjective and objective, qualitative and quantitative evaluation is used to evaluate the service level of the accessible facilities of Metro Line 3 in Suzhou. The results show that the overall evaluation of the accessible facilities of Metro Line 3 in Suzhou is good. At the same time, the corresponding improvement measures are proposed based on the problems found.