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山东交通学院2015届毕业生毕业论文（设计）题目：牛石路柴汶河大桥施工图设计-4*30米装配式预支T梁施工图设计院(系)别交通土建工程学院专业土木工程班级土木114学号110711411姓名姜星宇指导教师于业栓2015年6月姜星宇：牛石路柴汶河大桥施工图-4×30m装配式预应力简支T梁施工图设计原创声明本人姜星宇郑重声明：所呈交的论文“牛石路柴汶河大桥施工图设计—4×30m装配式预应力钢筋混凝土简支T梁施工图设计”，是本人在导师于业栓的指导下开展研究工作所取得的成果。除文中特别加以标注和致谢的地方外，论文中不包含任何其他个人或集体已经发表或撰写过的研究成果，对本文的研究做出重要贡献的个人和集体均已在文中以明确方式标明，本人完全意识到本声明的法律后果，尊重知识产权，并愿为此承担一切法律责任。论文作者(签字)：日期：年月日山东交通学院毕业设计（论文）摘要本设计4跨预应力混凝土简支桥梁。桥面净宽9+2×1.5m，桥下净空5m，跨径为30m。本设计分为以下几个部分：桥面板的设计，综合各种因素，本桥采用预应力T型简支梁，预应力T型简支梁具有安装重量轻、跨度大等优点，适用于大中跨度桥梁。桥面采用6块宽度为2m，梁高为1.7m，跨度为29.96m的预应力T型梁。作用在桥面上的荷载有结构重力、预加应力、土的重力，混凝土收缩以及徐变影响力，汽车荷载以及其引起的冲击力、离心力，和人群荷载，以及所有车辆引起的土侧压力。基本原理是假定忽略主梁之间横向结构的联系作用，桥面板视为沿横向支撑在主梁上的简支梁。画出最不利位置的影响线，据影响线得到横向分布系数M，取最大的横向分布系数作为主梁的控制设计。桥墩设计，桥墩采用桩柱式。由盖梁柱和灌注桩组成。经过荷载计算与组合后，由极限状态设计法决定配筋。桥台采用双柱式桥台，基础采用钻孔灌注桩。桥梁下部结构设置在地基上，其主要作用是支撑桥跨结构，并且将桥跨结构承受的荷载传到地基中去，以确保上部结构的安全使用。关键词预应力混凝土；简支T梁；G-M法；桥梁墩台；杠杆原理姜星宇：牛石路柴汶河大桥施工图-4×30m装配式预应力简支T梁施工图设计AbstractThedesignisaboutareinforceconcretesimplysupportedgirderbridge,whathasfivespans.Thebridgedeckslab’snetbreadthis14+2×1.75meter,Theclearanceunderbridgesuperstructureis5meterandeachspanto25meters.Thisdesigniscomposedofthreepartsasfollows,thedesignofdeckslab.Consideringallofthefactors,wedesignthepre-stressedconcretebridgeT-simplebeam.Thepre-stressedbridgehasmanygoodqualities,suchasithassmallweightwheninstalled,itisverysimplywhenconstruction.Andnotusesomuchtemplate.Itissuitableforthesmallbridge.Thebridgedeckslabiscomposedof6T-simplebeams,andthehollowslabis2meterwidth,1.7meterheightand24.96length.Consideringtheloadisnotsimple.Theloadsthatimposedonthebridgeareasfollows:thegravityofstructure,thegravityofpre-stressedsoil,concretestructure’sshrinkageandcreepthatcauseinfluenceforce,thecarloadandimpactforce,trailerloadpedestrianloadandlateralearthpressure.Thebasicprincipleisthatweneglectthelinkeffectofthehorizontalstructurebetweenthemaingirder.Andsupposedthebridgedeckslabassimply-supportedgirderthatissupportedonthemainbeam.Wedrawtheinfluencelinethatwhichpointisthemostadverse,fromwhichwecanknowthetransverseloadfoundation‘ssedimentation,toensureitsuittotherequireofthestandard.Thebridge’sundersidestructureisinstalledunderthefoundationsoil,it’smainuseistosupporttheupsidestructureandtransfertheloadfromtheupsidestructuretotherequireofthestandard.Thebridge’sundersidestructureisinstalledunderthefoundationsoil，it’smainuseistosupporttheupsidestructuretothefoundation,toensurethesafeuseoftheupsidestructure.KeyWordsReinforceconcrete,simplysupportedgenderbridge,bridgepierGravityabutment,cast–in-placepile,leverprinciple山东交通学院毕业设计（论文）目录前言...............................................................................................................................................................1第1章桥型设计方案.................................................................................................................................21.1方案一：预应力钢筋混凝土简支T梁.........................................................................................21.1.1基本构造布置.....................................................................................................................21.1.2设计荷载.............................................................................................................................21.2方案二：钢筋混凝土箱形拱桥......................................................................................................31.2.1方案简介..............................................................................................................................31.2.2尺寸拟定..............................................................................................................................31.2.3桥面铺装及纵横坡度..........................................................................................................41.2.4施工方法..............................................................................................................................41.2.5总结......................................................................................................................................41.3桥型方案三：预应力混凝土连续刚构方案（比较方案）..........................................................4第2章上部结构设计.................................................................................................................................52.1计资料及结构布置.........................................................................................................................52.1.1设计资料.............................................................................................................................52.1.2横截面布置.........................................................................................................................52.1.3横截面沿跨长变化.............................................................................................................92.1.4横隔梁的布置.....................................................................................................................92.2主梁作用效应计算......................................................................................................................