桥梁开题报告模板(修改)【范本模板】

dstandardizationofsafetyproduction,andstrivetoachieve\"intrinsicallysafe\".Ninethpitsafetysectionandisaunitofsecurityofficersresponsibleforminesafetydutiesandsupervisetheimplementationofthefollow-upto,andimplementationofthesystem,prosecution.PartImanagementsystems...Youcanusebrazierswhen,2--3metersfromthegroundandputthefireoutbeforethework,confirmthenofirebeforetheycanleave;Highway11non-staffinthemarginwithin50m,radiusoftheexcavationwork,andworkingwithin6metresoftheedgeandstayundertheumbrellaheading;12,blastingintothepitpersonnelmustfollowtheshootingguard'scommand,hidetosafety;13non-miningvehicles(includingbicycles,animal-drawnvehicle,motorvehicles,etc)willbebannedfromenteringthepitsandotherproductionareaonpainofheavyfines,resultinginaccidentstobeinvestigatedforresponsibility;14shootingthefollowingmechanicalsafetydistancesasfollows:categorynamemechanicalcannonsshallowholesandpopshootingexposedblastingunits:metersdiggingmachinerigcargunpowderotherequipment-pitequipment,especiallyanelectricalswitchandavarietyofsafetydevices,inadditiontospecifyingtheuseofresponsiblepersonnel,bananytouchingofotherpersonnel;16foundthatpowerlinesorcablesbreakinggroundbeforewithoutascertainingwhetherthecharged,prohibitsanyonefromtouching,andshouldleave5metersaway,andimmediatelynotifythepersonchecking;17withouttheleadership'sconsent,arenotallowedtotakethestrippedtrucks,watertankers,oiltankers,asaresultoftheca一、本课题设计（研究)的目的： 通过桥梁毕业设计使学生运用所学的课程系统的训练，以便掌握桥梁的基本理论、基本知识和基本计算方法； 通过毕业设计的实践，理论联系实践，完成设计,不断提高分析问题和解决问题的能力; 通过毕业设计，不断提高查阅文献、计算、绘图、使用桥梁规范和设计手册，编写技术文件,运用电脑等基本技能，树立正确的设计思想，逐步掌握设计原则、设计方法和设计步骤； 遵守纪律，遵守校规、校纪，严谨负责，实事求是，刻苦钻研,相互协作，勇于创新。

二、设计（研究）现状和发展趋势（文献综述）: （一）桥梁的现状和发展趋势 20世纪各种大跨径桥梁均在国内外的桥梁工程中得以建设和高速发展。无论是结构型式、施工方法，还是新型材料的应用均在不断地完善和进步.从世界上的典型工程实例中可见,大跨径桥梁在世界各地工程建设中有着重要的地位，必将有新的发展前景和开拓方向。 按照桥梁主要承重结构的受力体系可以将桥梁分为斜拉桥、梁式桥、拱式桥、刚架桥、悬索桥，以下分别介绍这五种桥梁及其发展现状。（须有图片加以说明） 1、 斜拉桥 斜拉桥的概念、受力状态及特点、跨径、不同类别斜拉桥的: 优点：（尽可能详细点） 缺点: 适用情况：（地质、跨径分布) 施工工艺及描述 还可以对现有的一些在建或已建桥梁进行列表 2、 梁式桥 梁式桥的概念、分类（简支梁、连续梁等）施工方法等.不同类别梁桥的： 优点： 缺点: dstandardizationofsafetyproduction,andstrivetoachieve\"intrinsicallysafe\".Ninethpitsafetysectionandisaunitofsecurityofficersresponsibleforminesafetydutiesandsupervisetheimplementationofthefollow-upto,andimplementationofthesystem,prosecution.PartImanagementsystems...Youcanusebrazierswhen,2--3metersfromthegroundandputthefireoutbeforethework,confirmthenofirebeforetheycanleave;Highway11non-staffinthemarginwithin50m,radiusoftheexcavationwork,andworkingwithin6metresoftheedgeandstayundertheumbrellaheading;12,blastingintothepitpersonnelmustfollowtheshootingguard'scommand,hidetosafety;13non-miningvehicles(includingbicycles,animal-drawnvehicle,motorvehicles,etc)willbebannedfromenteringthepitsandotherproductionareaonpainofheavyfines,resultinginaccidentstobeinvestigatedforresponsibility;14shootingthefollowingmechanicalsafetydistancesasfollows:categorynamemechanicalcannonsshallowholesandpopshootingexposedblastingunits:metersdiggingmachinerigcargunpowderotherequipment-pitequipment,especiallyanelectricalswitchandavarietyofsafetydevices,inadditiontospecifyingtheuseofresponsiblepersonnel,bananytouchingofotherpersonnel;16foundthatpowerlinesorcablesbreakinggroundbeforewithoutascertainingwhetherthecharged,prohibitsanyonefromtouching,andshouldleave5metersaway,andimmediatelynotifythepersonchecking;17withouttheleadership'sconsent,arenotallowedtotakethestrippedtrucks,watertankers,oiltankers,asaresultofthecau 适用情况：（地质、跨径分布等） 还可以对现有的一些在建或已建桥梁进行列表 2、3、 拱式桥 拱桥的概念、种类、受力状态及特点、各种拱桥应该都有所涉及,不同类别拱桥的: 优点： 缺点: 适用情况：（地质、跨径分布等） 列表（可选） 4、刚架桥 同上 注意:尤其要介绍连续刚构和T型刚构 5、悬索桥 同上 最后对所有桥梁的一个总结性的展望。 （二）设计方案比选 1、 技术标准： 2、 方案比选的原则： 3、方案比选 （1）方案一：（52+80+52）m预应力混凝土连续梁桥 ① 该结构的组成:上部结构和下部结构的结构形式、所使用的主要材料(混凝土等级、预应力钢筋种类等）以及相关主要尺寸、主要尺寸拟定的理由(对应相应的图纸) 嵩口桥（03号）桥横截面布置采用C50双悬臂矩形单箱单室的箱形截面。支点截面箱梁顶宽13。00米，底板宽8。00米,梁高2.5米,腹板间距7M，顶板厚度28cm，腹板厚度为50厘米，底板厚度80厘米. 跨中截面梁箱顶宽13.00米底板宽7。00米，底板厚度18厘米。具体尺寸dstandardizationofsafetyproduction,andstrivetoachieve\"intrinsicallysafe\".Ninethpitsafetysectionandisaunitofsecurityofficersresponsibleforminesafetydutiesandsupervisetheimplementationofthefollow-upto,andimplementationofthesystem,prosecution.PartImanagementsystems...Youcanusebrazierswhen,2--3metersfromthegroundandputthefireoutbeforethework,confirmthenofirebeforetheycanleave;Highway11non-staffinthemarginwithin50m,radiusoftheexcavationwork,andworkingwithin6metresoftheedgeandstayundertheumbrellaheading;12,blastingintothepitpersonnelmustfollowtheshootingguard'scommand,hidetosafety;13non-miningvehicles(includingbicycles,animal-drawnvehicle,motorvehicles,etc)willbebannedfromenteringthepitsandotherproductionareaonpainofheavyfines,resultinginaccidentstobeinvestigatedforresponsibility;14shootingthefollowingmechanicalsafetydistancesasfollows:categorynamemechanicalcannonsshallowholesandpopshootingexposedblastingunits:metersdiggingmachinerigcargunpowderotherequipment-pitequipment,especiallyanelectricalswitchandavarietyofsafetydevices,inadditiontospecifyingtheuseofresponsiblepersonnel,bananytouchingofotherpersonnel;16foundthatpowerlinesorcablesbreakinggroundbeforewithoutascertainingwhetherthecharged,prohibitsanyonefromtouching,andshouldleave5metersaway,andimmediatelynotifythepersonchecking;17withouttheleadership'sconsent,arenotallowedtotakethestrippedtrucks,watertankers,oiltankers,asaresultoftheca嵩口桥（03号）施工图设计

见图1、(图2等）. ②使用该结构的原因 优点: 缺点： 适用范围： （3)所采用的施工方法(包括上部结构和下部结构)，对于上部结构要陈述其主要施工流程： 1→2→3→4→5 （2)方案二：简支梁桥 同上 （3）方案比选表 方案比选表 适用性 经济性 施工难易程美观性 度 8＊40m简支梁桥 （20+52+80+52+6*20）m 变截面连续梁桥 （4）结论 确定推荐方案，并对推荐方案选择理由进行阐述

第3页

dstandardizationofsafetyproduction,andstrivetoachieve\"intrinsicallysafe\".Ninethpitsafetysectionandisaunitofsecurityofficersresponsibleforminesafetydutiesandsupervisetheimplementationofthefollow-upto,andimplementationofthesystem,prosecution.PartImanagementsystems...Youcanusebrazierswhen,2--3metersfromthegroundandputthefireoutbeforethework,confirmthenofirebeforetheycanleave;Highway11non-staffinthemarginwithin50m,radiusoftheexcavationwork,andworkingwithin6metresoftheedgeandstayundertheumbrellaheading;12,blastingintothepitpersonnelmustfollowtheshootingguard'scommand,hidetosafety;13non-miningvehicles(includingbicycles,animal-drawnvehicle,motorvehicles,etc)willbebannedfromenteringthepitsandotherproductionareaonpainofheavyfines,resultinginaccidentstobeinvestigatedforresponsibility;14shootingthefollowingmechanicalsafetydistancesasfollows:categorynamemechanicalcannonsshallowholesandpopshootingexposedblastingunits:metersdiggingmachinerigcargunpowderotherequipment-pitequipment,especiallyanelectricalswitchandavarietyofsafetydevices,inadditiontospecifyingtheuseofresponsiblepersonnel,bananytouchingofotherpersonnel;16foundthatpowerlinesorcablesbreakinggroundbeforewithoutascertainingwhetherthecharged,prohibitsanyonefromtouching,andshouldleave5metersaway,andimmediatelynotifythepersonchecking;17withouttheleadership'sconsent,arenotallowedtotakethestrippedtrucks,watertankers,oiltankers,asaresultofthecau 三、设计（研究）的重点与难点，拟采用的途径（研究手段）： (一)设计重点 自己根据情况进行书写 (二）设计难点 自己根据情况进行书写 （三）研究途径 1、专业英文文献翻译阶段 2、方案拟定阶段 根据已有的水文地质资料，确定河床断面图、确定总跨径、确定桥型、进行桥梁的分孔、基础以及墩台的形式确定、桥梁横断面设计、上下部构造主要尺寸的拟订、桥面基础以及墩台标高的确定,得出两套方案出两套图纸。 3、进行桥梁设计方案的比选 ① 根据设计任务要求,依据现行公路桥梁设计规范，综合考虑桥位的地质、地形条件，经初选后提出了2～3个比选桥型。 ② 对各方案基本尺寸的选择进行探讨（包括上部结构、下部结构的结构形式以及基本尺寸梁) ③ 对已确定的桥梁方案进行结构设计及施工方案的确定. 4、计算阶段 ① 确定计算图式 ② 自重作用内力计算 ③ 墩台沉降内力计算 ④ 温度影响内力计算 ⑤ 车辆荷载和人群荷载内力计算 ⑥ 作用效应的组合计算 ⑦ 配筋计算 通过自己编制程序，计算结构在承载能力极限状态下的配筋,并对结果进行校核. 5、验算阶段 dstandardizationofsafetyproduction,andstrivetoachieve\"intrinsicallysafe\".Ninethpitsafetysectionandisaunitofsecurityofficersresponsibleforminesafetydutiesandsupervisetheimplementationofthefollow-upto,andimplementationofthesystem,prosecution.PartImanagementsystems...Youcanusebrazierswhen,2--3metersfromthegroundandputthefireoutbeforethework,confirmthenofirebeforetheycanleave;Highway11non-staffinthemarginwithin50m,radiusoftheexcavationwork,andworkingwithin6metresoftheedgeandstayundertheumbrellaheading;12,blastingintothepitpersonnelmustfollowtheshootingguard'scommand,hidetosafety;13non-miningvehicles(includingbicycles,animal-drawnvehicle,motorvehicles,etc)willbebannedfromenteringthepitsandotherproductionareaonpainofheavyfines,resultinginaccidentstobeinvestigatedforresponsibility;14shootingthefollowingmechanicalsafetydistancesasfollows:categorynamemechanicalcannonsshallowholesandpopshootingexposedblastingunits:metersdiggingmachinerigcargunpowderotherequipment-pitequipment,especiallyanelectricalswitchandavarietyofsafetydevices,inadditiontospecifyingtheuseofresponsiblepersonnel,bananytouchingofotherpersonnel;16foundthatpowerlinesorcablesbreakinggroundbeforewithoutascertainingwhetherthecharged,prohibitsanyonefromtouching,andshouldleave5metersaway,andimmediatelynotifythepersonchecking;17withouttheleadership'sconsent,arenotallowedtotakethestrippedtrucks,watertankers,oiltankers,asaresultoftheca嵩口桥（03号）施工图设计

运用常规的超静定混凝土桥梁分析程序计算结构内力及变形，布置预应力钢筋，进行正常使用极限状态的截面设计与检核。进行应力验算、抗裂验算、变形验算、稳定性验算等.如果有一项验算不合格,就必须返回到尺寸拟定阶段，重新拟定尺寸。 6、施工图绘制 梁的一般构造图及配筋图 7、设计计算书的编写阶段 四、设计(研究）进度计划: 对应任务书进行书写 五、参考文献： 1． 2． 3． 21.英文文献（自己的英文文献） 22．其他参考书:各类设计手册、施工手册和软件使用手册。 第5页

dstandardizationofsafetyproduction,andstrivetoachieve\"intrinsicallysafe\".Ninethpitsafetysectionandisaunitofsecurityofficersresponsibleforminesafetydutiesandsupervisetheimplementationofthefollow-upto,andimplementationofthesystem,prosecution.PartImanagementsystems...Youcanusebrazierswhen,2--3metersfromthegroundandputthefireoutbeforethework,confirmthenofirebeforetheycanleave;Highway11non-staffinthemarginwithin50m,radiusoftheexcavationwork,andworkingwithin6metresoftheedgeandstayundertheumbrellaheading;12,blastingintothepitpersonnelmustfollowtheshootingguard'scommand,hidetosafety;13non-miningvehicles(includingbicycles,animal-drawnvehicle,motorvehicles,etc)willbebannedfromenteringthepitsandotherproductionareaonpainofheavyfines,resultinginaccidentstobeinvestigatedforresponsibility;14shootingthefollowingmechanicalsafetydistancesasfollows:categorynamemechanicalcannonsshallowholesandpopshootingexposedblastingunits:metersdiggingmachinerigcargunpowderotherequipment-pitequipment,especiallyanelectricalswitchandavarietyofsafetydevices,inadditiontospecifyingtheuseofresponsiblepersonnel,bananytouchingofotherpersonnel;16foundthatpowerlinesorcablesbreakinggroundbeforewithoutascertainingwhetherthecharged,prohibitsanyonefromtouching,andshouldleave5metersaway,andimmediatelynotifythepersonchecking;17withouttheleadership'sconsent,arenotallowedtotakethestrippedtrucks,watertankers,oiltankers,asaresultofthecau 指导教师意见 签名： 月 日 教研室（学术小组）意见 教研室主任（学术小组长)（签章）： 月 日