维普论文检测系统VIP PAPER CHECK SYSTEM14152602289公路桥施工图设计1【原文对照报告-大学生版】报告编号：a276 afedf67db736检测时间：202205-1310：31：06检测字符数：49550作者姓名：刘扬所属单位：湖南理工学院全文总相似比复写率他引率自引率专业术语检测结论：45.65%45.65%0.0%0.0%0.0%其他指标：自写率：54.35%高频词：截面，应力，计算，预应力，钢筋典型相似文章：无指标说明：复写率：相似或疑似重复内容占全文的比重他引率：引用他人的部分占全文的比重自引率：引用自己已发表部分占全文的比重自写率：原创内容占全文的比重典型相似性：相似或疑似重复内容占全文总相似比超过30%专业术语：公式定理、法律条文、行业用语等占全文的比重总相似片段期刊：26博硕：25综合：2相似片段：614外文：0自建库：498互联网：63检测范围：中文科技期刊论文全文数据库中文主要报纸全文数据库中国专利特色数据库博士/硕士学位论文全文数据库中国主要会议论文特色数据库港澳台文献资源外文特色文献数据全库维普优先出版论文全文数据库互联网数据资源/互联网文档资源高校自建资源库图书资源古籍文献资源个人自建资源库年鉴资源IPUB原创作品时间范围：1989-01-01至2022-05-13维普论文检测系统VIP PAPER CHECK SYSTEM原文对照颜色标注说明：■自写片段■复写片段（相似或疑似重复）引用片段（引用）■专业术语（公式定理、法律条文、行业用语等）湖荷理二与院毕业综合训练南理题目：南山大桥施工图设作者一刘扬届别2°18届学院一土木建筑工程学院专业土木工程指导教师一罗淮安职称完成时间摘要T型截面的预应力混凝土简支梁桥具有成本较低，施工简便，可预制，施工较快，结构体系简单可靠等诸多优点，是中小跨径桥梁中应用最广泛的桥梁。T梁桥主要特点是挖走受拉区的混凝土，减少主梁自重，增加跨越能力。T型截面适用于预制安装，主梁质量容易控制，施工速度比较快，桥梁部分构件损坏易于修复和更换。本项目为南山大桥施工图设计，拟定在桥址设计一座设计荷载为公路-II级，双向横坡为2%，标准跨径为30m的桥梁。综合考虑桥位的地质、地形条件。提出了三种方案的比选，通过综合考虑和反复比较选定桥型的最优方案：拟定截面类型与详细的截面尺寸：根据材料性质和优缺点，完成了桥梁的荷载内力计算：使用承载能力设计值对构件进行配筋：使用正常使用设计值进行校核：分别进行桥梁钢筋面积的估算及钢束的布置、桥梁预应力损失的计算及主梁应力、抗裂性、挠度、锚固区局部承压等的验算。最后，通过计算分析表明该设计验算通过，该桥梁受力合理，符合设计规范要求。关键词：T型截面预应力混凝土简支梁桥：荷载横向分布系数：效应组合：预应力损失：应力验算：挠度变形AbstractPrestressed concrete simply supported beam bridge with T-section has many advantages,such aslow cost,simple construction,prefabrication,fast construction,simple and reliable structuralsystem and so on.It is the most widely used bridge in medium and small span bridges.The mainfeature of T-beam bridge is that the concrete in the tensile area is excavated,the dead weight ofthe main beam is reduced and the crossing capacity is increased.The T-section is suitable forprefabrication and installation.The quality of the main beam is easy to control,the constructionspeed is relatively fast,and some components of the bridge are damaged and easy to repair andreplace.This project is the construction drawing design of Nanshan bridge.It is proposed to design a bridgewith design load of highway class II,two-way cross slope of 2%and standard span of 30m at thebridge site.2维普论文检测系统VIP PAPER CHECK SYSTEMComprehensively consider the geological and topographic conditions of the bridge site.Thecomparison and selection of three schemes are put forward,and the optimal scheme of bridge type isselected through comprehensive consideration and repeated comparison;Proposed section type anddetailed section size;According to the material properties,advantages and disadvantages,the loadinternal force of the bridge is calculated;Use the design value of bearing capacity to reinforcethe members;Check with the normal design value;The area of bridge reinforcement and thearrangement of steel tendons,the calculation of bridge prestress loss and the checking calculationof main beam stress,crack resistance,deflection and local pressure in anchorage zone are carriedout respectively.Finally,the calculation and analysis show that the design check calculation ispassed,the stress of the bridge is reasonable and meets the requirements of the design code.Key words:T-section prestressed concrete simply supported beam bridge;Transverse distribution coefficient of load;Effect combination;Prestress loss;Stress checking calculation;Deflection deformation第一章：设计资料及构造布置11.1设计资料11.1.1桥梁跨径及桥宽11.1.2基本材料拟定和计算数据11.1.3基本计算数据11.2方案比选21.2.1方案比选原则21.2.2方案编制21.2.3方案比较3学院1.2.4确定方案41.3主梁跨中截面尺寸拟定41.3.1主梁间距与主梁片数41.3.2主梁截面尺寸拟定4第二章：主梁作用效应计算82.1永久作用效应计算82.1.1永久作用集度82.1.2永久作用效应计算102.2可变作用效应计算112.2.1主梁荷载横向分布系数计算112.2.2冲击系数162.2.3车道荷载取值162.2.4计算可变作用效应172.3主梁作用效应计算28第三章：钢筋面积的估算及钢束布置323.1跨中截面钢束的估算和确定323.2预应力钢束的布置333.2.1跨中截面及端锚固截面预应力钢筋的布置333.2.2锚固区钢束群重心验算333.2.3其他截面钢束位置及倾角计算343.3非预应力钢筋截面积估算及布置37第四章：计算主梁截面几何特性39第五章：持久状况截面承载能力极限状态计算465.1正截面承载力计算463