奥体文化商务园雨水利用设计与实践

Design and Practice of Rain Water Utilization in Olympic Culture Business Park

奥体文化商务园中央公园雨水利用通过公园东西两侧架空广场、下沉广场、绿地内植被浅沟、渗透式P P模块暗沟等方式将雨水进行收集调蓄,其中,下沉广场雨水流入地下空间东西两侧雨水蓄水池;架空广场、绿地及硬化路面等雨水流入地面雨水调蓄池。雨水调蓄池可以兼作雨水收集池,收集的雨水经过处理达标后就地用于绿化灌溉、场地浇洒等用途。雨水调蓄池同时设排水泵,待暴雨来临时提前排空,腾出水池有效容积,增强该区域的排水标准。经暴雨检验,此设计方式能有效减少强降雨时的雨水径流,保证公园地面、下沉广场及地下空间不积水。

At the Central Park of Olympic Culture and Business Park,rainwater is collected and stored by means of overhead square,sinking square,vegetation shallow ditch and permeable PP module dark ditch on both sides of the park,in which rainwater from sinking square flows into rainwater reservoir on both sides of underground space;rainwater from overhead square,green space and hardened road surface flows into surface rainwater storage pool.The rainwater storage tank can be used as the rainwater collection pool,and the collected rainwater can be used for greening irrigation,site sprinkling and so on.Rainwater storage tanks are also equipped with drainage pumps,to be temporarily emptied in advance by heavy rain,to release the effective volume of the pool,enhance the drainage standards in the area.After the rainstorm test,this design method can effectively reduce the rain water runoff when heavy rainfall,and ensure that the park ground,sinking square and underground space do not accumulate water.