1工程概况二河闸位于江苏省洪泽县高良涧镇东北约7km处,是淮河下游洪水分泄入新沂河的关键性工程,亦是淮水北调的进水闸,并兼有分沂入淮的任务。入海水道建成后,它将作为淮河下游洪水入海的口门。因此,二河闸是一个具有防洪、排涝、灌溉、调水等综合效益的大Ⅰ型建筑物。二河闸 1 Project Overview Erhe gate is located in Hongze County, Jiangsu Province, Gaoliangjian town about 7km northeast, is the Huaihe River flood into Xinyi the key project, is also the Huai-Shui north of the intake, and both sub-Yi Into Huai task. Into the sea channel is completed, it will serve as the mouth of the Huaihe River flood into the sea. Therefore, the Second River sluice is a large type I building that has the comprehensive benefits of flood control, drainage, irrigation and water diversion. Two river gates