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天津西站交通枢纽配套工程是集中了诸多交通方式的特大型综合性交通枢纽,在其雨水工程设计中应用“分级排水”理念,对雨水径流从源头控制,分级排放。按区域重要性不同,将“高标准”雨水与“一般标准”雨水分开排放、提升;按地道来水高度将“高地势”雨水及“汇水区”雨水分开收集、排放,实现了高水高排、低水低排、分级控制,既达到“快速排水,安全排水”的设计要求,也降低了能耗,节约了投资。
The supporting project of the transportation hub of Tianjin West Railway Station is an oversized and comprehensive transport hub that concentrates many modes of transportation. In the design of stormwater engineering, the concept of “staged drainage” is applied to control the runoff of rainwater from the source and discharge them in stages. According to the different regional significance, the rainwater of “high standard” and “normal standard” will be discharged and raised separately; the rainwater of “high ground” and “catchment” It collects and discharges, and achieves the design requirements of “fast drainage, safe drainage” and high energy, low water and low emission, and grading control. It also reduces energy consumption and saves investment.