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1、郑州航空工业管理学院毕业论文(设计)2013届土木工程专业0909052班级题目京港澳高速跨河16米预应力空心板桥设计姓名学号090905242指导教师职称副教授二0一三年五月二十三日.98..98.京港澳高速跨河16m预应力混凝土空心板桥计内容提要预应力混凝土空心板桥在我国桥梁建筑上占我重要的地位,在目前对于中小跨径的永久性桥梁,无论是公路桥梁或者城市桥梁,都在尽量采用预应力混凝土空心板桥,因为这种桥梁具有就地取材,工业化施工,耐久性好,适应性强,整体性好以等多种优点,从而决定了本设计中桥型的选择,整个计算
2、的方法。该桥地处京港澳高速文峰大道上,是一级公路上的一座桥梁,单跨16米,地质情况较好,公路中央分割带为5米,故设计为分幅式,设计中首先确定桥的类型,构造的设计,梁板布置的选择和定位,本桥采用的是装配式预应力混凝土简支空心板梁桥,其次根据已定的结构设计和计算配筋。其中包括截面尺寸,计算简图的确定,计算方法,荷载计算,内力计算并绘制内力图,影响线等。下部结构设计中,确定为埋置式刚性扩大基础桥台设计,进行了基础的验算,满足了设计要求。最后使用CAD制图将所设计的构造和配筋进行说明。关键词跨径;分幅式;空心板;预应
3、力.98.16mPrestressedConcreteHollowSlabDesignStudentID:090905242Author:zhaoHuaiInstructor:HouXiaoYingJobTitle:AssociateProfessorAbstractPestressedconcretehollowslabbridgeinChinaonthebridgearchitectureofmyimportantposition,forthemoment,forsmallandmedium-sizeds
4、panofthepermanentbridge,whetherthehighwaybridgeorcityBridges,asfaraspossibleintheprestressedconcretehollowslabbridge,becausethisbridgehasuselocalmaterials,industrialconstruction,gooddurability,strongadaptability,integralsexisgoodandsoonmanykindsofadvantages
5、,todecidethedesigninthechoiceoftheform,thewholecalculationmethod.ThebridgeislocatedinBeijingHongKongandMacaohigh-speedWenfengAvenue.,isoneofabridgeontheroad,single-spanof16metres,goodgeologicalconditions,thesplitwiththecentralhighwaytothreemeters,isdesigned
6、tosub-sites.Thisdesignisdividedintotheupperstructuredesign.Thelowerpartofthestructureanddesignoftwomajorparts.Superstructuredesign,firstdeterminethetypeofbridge,structuraldesign,thechoiceofbeamlayoutandpositioning,thebridgeisusedinassembly-prestressedconcre
7、tesimplehollowplategirderbridge,followedhasbeensetinaccordancewiththestructuraldesignandcalculationwithTendons.Includingthesectionsize,the.98.calculationofthesketchidentified,calculationmethods,load,thecalculationofinternalforcesandinternal11forcesdrawnmap,
8、influenceline,bendingenvelopefromthemap,andsoon.Thelowerpartofthedesignofthestructure,identifiedasburied-rigidfoundationforexpandingabutmentdesign,thebasisofcheckingtomeetthedesignrequirements.Finallyt