去年我省集中暴雨较多,江河水位猛涨,农田水利工程水毁严重,遭受破坏的拦河坝达250多座,多是柳石坝和半永久性溢流堆石坝。拦河坝被水毁情况有的是坝被彻底冲毁需重建的;有的是坝在主流被冲开口子;也有的是坝面被扒去一层块石;还有的是在坝端与岸边接触处被冲开,河流改道。造成毁坝的主要原因:一是今年有些中小河流出现洪水或特大洪水,流急、量大,超过了拦河坝本身的承受能力。二是我省拦 Last year, there were more rainstorms concentrated in our province, soaring water levels in rivers and waterways, severe water damage in farmland water conservancy projects, and over 250 blocks of barges damaged. Most of them are the Liushi Dam and semi-permanent overflow rockfill dam. Some of the dam was destroyed by water dam reconstruction is necessary to complete; some dam is being opened in the mainstream; some dam was paved to a layer of stone; others are in contact with the shore and the dam was washed away, the river Diversion. The main reason for the destruction of dams: First, some small and medium-sized rivers this year, flooding or catastrophic floods, emergencies, large quantities, more than the barrage itself can afford. Second, our province stopped