预应力管桩基础在大雅站工程中的设计应用
Harnessing the Huaihe River(2020)
Abstract
一、工程概况
安徽省来安县大雅站位于来安河左岸堤防上,根据来安县来安河防洪治理工程规划成果,大雅排涝泵站站址所在来安河堤身堤顶高程14.20m,堤顶宽8.0m,内、外边坡1:2.5.大雅站采用正向进、出水布置型式,泵室采用干室型结构.泵站工程自进口至外河出口依次布置引渠、进水口、前池及拦污闸、泵室及压力水箱、自排控制闸、穿堤涵洞及防洪控制闸,涵洞出口设消能放冲设施.站身底板顺水流向长23.50m,横向宽16.90m,泵室底板厚0.7m,边墩厚为0.7m,中墩厚0.8m,水泵中心间距3.80m,设计抽排流量为7.8m3/s.
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