加筋土挡土墙毕业设计

精编WORD文档下载可编缉打印下载文档，远离加班熬夜加筋土挡土墙毕业设计篇一：毕业设计—加筋土挡土墙设计摘要加筋土挡墙是由拉筋、墙面板和填土构成的一种新型复合支挡结构物。相对于传统的重力式挡土墙，加筋土挡墙为一种柔性结构，具有较好的变形协调性和抗震性能，对地基的承载能力要求也不高，且具有很好的经济性和造型美观性等一些其他结构无法比拟的优越性。因此，被广泛应用与公路、水利、城市建设和铁路等工程中。加筋挡土墙虽有较好的抗震性能，但并非能够抵抗任何等级的地震作用。对于规范要求的抗震设计加筋土挡墙工程，在设计计算时须考虑地震力对其的影响。根据现行相关规范，地震烈度在6度以上的地区，加筋土挡墙应进行抗震设计。采用拟静力法来考虑地震作用，不计竖向地震力的影响，只需考虑水平地震力作用。本文对加筋挡土墙的构造、特点及其发展应用状况作了概述。通过加筋挡土墙的构造，分析了加筋挡土墙的加固机理和破坏模式。加筋土本身是一种复合结构，在工作态下，各组成部分之间的相互影响使其具有一定的复杂性。关键词：加筋土挡墙；地震力；稳定性分析与计算Abstract精编WORD文档下载可编缉打印下载文档，远离加班熬夜Reinforcedearthretainingwallisanewcompositesupportingstructurecomprisedofreinforcement,wallsheathingandfilling.Comparedwithtraditionalgravityretainingwall,thereinforcedearthretainingwallisaflexiblestructurewithbetterdeformationcompatibilityandseismicbehavior.Moreover,thereinforcedearthretainingwallrequireslowfoundationbearingcapacityandhasadvantageslikeeconomicalefficiencyaswellasbetterappearancewhichareincomparabletootherstructures.Therefore,itiswidelyusedintheconstructionofroad,waterconservancy,cityconstructionandrailway.Thereinforcedearthretainingwallhavinggoodseismicbehaviordoesnotmeanitcanresisttheearthquakeeffectofanygrade.Toreinforcedearthretainingwallwithseismicdesignrequiredinthespecification,theeffectofseismicforceshouldbetakenintoaccountindesigncalculation.Accordingtothecurrentstandard,intheareawhereseismicintensityislevelsixorabove,thereinforcedearthretainingwallshouldbedesignedtoresistearthquake.Ifadoptingpseudo-staticmethodtocalculateseismiceffect,theeffectofvertical精编WORD文档下载可编缉打印下载文档，远离加班熬夜seismicforceshouldbeneglected,onlycalculatingtheeffectofhorizontalseismicforce.Thisthesisgivesabriefintroductiontothestructure,characteristics,developmentandapplicationofthereinforcedearthretainingwall,atthesametime,analyzesitsreinforcementmechanismandfailuremodesthroughthestructureofthereinforcedearthretainingwall.Reinforcedearthisacompositestructureitself,andinterrelationshipofeachcomponentmakesitrelativelycomplexintheworkingstate.Keywords:Reinforcedearthretainingwall;Seismicforce;Stabilityanalysisandcalculation目录第1章绪论..................................................................................................................11.1支挡结构与挡土墙........................................................................................11.1.1支挡结构..................................................精编WORD文档下载可编缉打印下载文档，远离加班熬夜...........................................11.1.2挡土墙..................................................................................................11.2加筋土挡墙的特点和适用性.........................................................................21.2.1加筋土挡墙的特点.............................................................................21.2.2加筋土挡墙的适用性.........................................................................21.3加筋土挡墙的应用与发展.............................................................................21.3.1国外发展概况......................................................................................21.3.2国内发展概况.....................................................................................3精编WORD文档下载可编缉打印下载文档，远离加班熬夜1.3.3加筋土技术的不足.............................................................................41.4本课题设计的背景、目的及意义................................................................41.4.1背景.....................................................................................................41.4.1目的与意义.........................................................................................5第2章加筋土挡墙的设计原理.................................................................................62.1加筋土挡墙的构造........................................................................................62.1.1墙面板.................................................................................................62.1.2拉精编WORD文档下载可编缉打印下载文档，远离加班熬夜筋.....................................................................................................62.1.3填料.....................................................................................................72.2加筋土挡墙的设计原理................................................................................82.2.1摩擦原理.............................................................................................92.2.2准粘聚力原理...................................................................................102.3加筋土挡墙的破坏模式..............................................................................112.4破裂面的确定..............................................................................................132.5加筋土挡墙设计计算时的基本假定..................................................精编WORD文档下载可编缉打印下载文档，远离加班熬夜........15第3章加筋土挡墙的设计理论和计算方法...........................................................163.1稳定性分析计算方法..................................................................................163.1.2数值分析法.......................................................................................173.2内部稳定性分析计算..................................................................................183.2.1土压力计算........................