本科毕业设计（论文）题目洛湛线铁路K566+0～K566+180学生姓名学号教学院系土木工程与建筑学院专业年级2009指导教师职称讲师单位西南石油大学HYPERLINK\l_Toc23214摘要本文详细介绍了洛湛线铁路K566+0～K566+180路基边坡的工程概况、地质条件、岩土体的物理力学性质支护方案的设计。该设计段总长为180米，边坡高度1.84-27.39米，边坡深度9.69米-15.72米。该段道路地形复杂，地质多为细沙，支护难度较大，分析其工程性质，初步确定边坡大多需要支护。支护类型大致确定为重力式挡土墙支护和单点排桩支护。而分析用和支护大致取决于边坡的坡高和深度，因为本道路主要用于铁路所以对于坡体具有深度的一般采用重力式挡土墙来支护，支护后对于后面边坡可直接采用刷坡进行处理。而对于坡体不高于10米都可采用重力式挡土墙来支护，支护后对于后面边坡采用刷坡进行处理。对于高度大于10米的边坡，一般考虑使用适合本路段的单点排桩支护。为了节约施工材料，要对桩长进行适当的处理，节约成本。本边坡支护工程要考虑边坡支护的合理性，施工的可能性，还有经济的节约性。所以本边坡支护设计方案在满足边坡稳定性的情况下兼顾降低工程造价以及支护工程施工的可行和方便。关键词：边坡；挡土墙；排桩支护；支护工程AbstractThispaperintroducestheLuoyang-ZhanjiangrailwayK566+0~K566+180ofthesubgradeslopeengineeringgeologicalconditions,thephysicalandmechanicalpropertiesofrockandsoil,thedesignofthesupportingscheme.Thedesignforthetotallengthof180meters,theslopeheightof1.84-27.39meters,depthof9.69meters-15.72metersofslope.Thissectionoftheroadcomplexterrain,geologicalmostlysand,supportingmoredifficult,analyzeitsengineeringproperties,preliminarydeterminetheslopemostinneedofsupport.Supportingtypesgenerallyidentifiedasgravityretainingwallsupportingandsinglerowpileretaining.Theanalysisandsupportgenerallydependsontheslopeoftheslopeheightanddepth,becausetheroadismainlyusedforrailwaywithdepthfortheslopebygravitytyperetainingwalltosupport,supportforthebackslopecanbedirectlyusedfortreatmentofslope.Asfortheslopeisnothigherthan10meterscanbeusedtosupportthegravityretainingwall,supportforbehindofslopebyslopetreatment.Formorethan10metersheightofslope,generallyconsideredsuitableforthesectionofthesinglerowpileretaining.Thesavingconstructionmaterials,thepilelengthforpropertreatment,costsavings.Theslopetoslopesupportaccountofrationality,thepossibilityofconstruction,andsavingtheeconomyof.Sotheslopesupportingdesignschemetomeettheslopestabilityundertheconditionofbothreducetheprojectcostandsupportengineeringconstructionisfeasibleandconvenient.Keywords:Slope;retainingwall;Rowpiles;SupportProject目录TOC\o"1-3