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1、摘要南水北调中线工程总干渠河北省南段线路以冀豫交界处的漳河北为起点，沿京广铁路西侧的太行山东麓自南向北，经过河北省邯郸、邢台、石家庄3市及所属11个县（市）,至京石应急供水段起点为止，渠道长222.593km,建筑物长14.655km・黄岗渡槽是南水北调工程总干渠上的一座跨渠输水建筑物，与总干渠交叉点桩号为10+437（黄岗渡槽位置详见总体布置图）。根据总干渠可行性研究阶段已确定的工程等级及建筑物级别，木渡槽为1级建筑物，抗震设防烈度为VII度。考虑经济，施工难度等方面的因素，结合工程有关条件，渡槽设计为119.42m的（无拉杆）矩形梁槽身。设计分为上部结构和下
2、部结构的设计，上部结构设计包括尺寸拟定和配筋计算，其中乂包括跨中截面尺寸的拟定，截面特性的计算，永久作用、可变作用的计算及其组合。槽身验算主要为承载能力极限状态计算,正常使用极限状态计算以及槽身的配筋计算及验算和变形验算，经计算各项指标均符合设计。下部结构的设计以排架设计和桩基础的设计为主要内容•包括排架结构形式的确定,尺寸的拟订，排架结构的配筋计算和桩基础的荷载计算，及其桩长计算等。各项检算也均符合要求。关键词：输水建筑物；渡槽；矩形断面；排架AbstractSouth-NorthWaterTransferProjectinHebeiprovincesouth
3、ofthetrunklinetothejunctionofYuJiZhangHebeiasastartingpoint,Jing-GuangRailroadalongthewestsideoftheTaihangMountainDonglufromsouthtonorth,afterHandan,HebeiProvince,Xingtai,ShijiazhuangCity,andtheir311counties(cities),emergencywatersupplytoJingshiparagraphstartingpoint,thechannelsof222
4、.593km,thebuildingof14.655km.HuangGangisthediversionAqueductworksonthetrunkofacross-waterdrainagestructures,withthemainchannelforcross-pointZhuanghao10+437(HuanggangAqueductseetheoveralllayoutoflocation).AccordingtotheChannelfeasibilitystudystageoftheprojecthavebeenidentifiedandgrade
5、-levelbuildings,theaqueductforabuilding,seismicfortificationfortheintensityofVII.Considertheeconomy,thedifficultyofsuchfactors,theconditionsofwork,theaqueductisdesignedto119.42m(withdrawbars)rectangularbeamtroughbody.Designofthestructureisdividedintoupperandlowerstructuraldesign,stru
6、cturaldesignincludingtheupperpartofthedevelopmentandreinforcementsize,whichalsoincludedcross-sectionsizeintheformulation,cross-sectionofthecalculation,thepermanentrole,theroleofvariablecalculationandcombinations.Slotforthemainbodycheckingcarryingcapacitylimitstatebasis,thecalculation
7、ofnormaluselimitstateandthereinforcementshaftsarecalculateddeformationandcheckingandchecking,thecalculationoftheindicatorsareinlinewiththedesign.Thelowerpartofthedesignofthestructuretodesignandbentthepilefoundationdesignasthemaincontent.Bentstructure,includingthedeterminationofthesiz
8、eofthedesign
