基于横观各向同性碎石底基层沥青路面结构分析Analysis of Asphalt Pavement for Granular Sub-base Based on Cross-anisotropy
栗振锋,郭向云,王秉刚,张洪亮
摘要(Abstract)：
基于所建的横观各向同性层状弹性体系解,使用编制的基于该理论解的路面结构分析程序ANISOLAYER,分析了碎石材料横观各向同性特性对碎石底基层半刚性沥青路面结构的影响,对于软土地基来说,起到一定的加筋作用,随着粒状类材料水平模量的减小,可有效地降低半刚性基层底部的拉应力,使路面结构的受力状况更加符合实际,而且从路表弯沉、沥青层底部拉应变、半刚性基层底部拉应力以及路基顶部压应变来看,都使路面的寿命减小。
关键词(KeyWords)： 碎石底基层;横观各向同性;ANISOLAYER程序;半刚性沥青路面
基金项目(Foundation): 国家自然青年基金项目(50608007);; 山西省自然科学基金项目(2007011059)
作者(Author): 栗振锋,郭向云,王秉刚,张洪亮
参考文献(References)：
- [1]GRAHAM J,HOULSBY G T.Anisotropic Elasticity of A Natural Clay[J].Geotechnique,1983,33(2):164-181.
- [2]GAZETAS,G.Stresses and Displacements in Cross-Anisotropic Soils[J].Journal of Geotechnical Engineering,ASCE,1982108:532-554.
- [3]LO S-C R,LEE I K.Response of Granular Soil along Constant Stress Increment Ratio Path[J].Journal of Geotechnical Engi-neering,1990,116(3):355-376.
- [4]SEMMELINK C J,DE BEER M.Rapid Determination of Elastic and Shear Properties of Road-Building Materials with the K-Mould[A].Proceedings of the Unbound Aggregates in Roads(UNBAR4)Symposium,July,Nottingham,UK,Edited byDawson,A.R.and R.H.Jones,1995,150-163.
- [5]ZAMHARI K A.Anisotropy of Unbound Pavement Material[A].Proceedings of the Fifth International Conference on the Bear-ing Capacity of Roads and Airfields,Trondheim,Norway,Edited by R.S.Nardal and G.Refsdal,1998,1288-1300.
- [6]TUTUMLUER E,THOMPSON MR.Anisotropic Modeling of Granular Bases[R].Final Report,Technical Report of ResearchSupported by the Federal Aviation Administration Under Grant DOT95-C-001,Department of Civil Engineering,University ofIllinois,Urbana,IL,1998.
- [7]ALLEN J.The Effect of Non-Constant Lateral Pressures of the Resilient Response of Granular Material[D].PhD Thesis,Uni-versity of Illinois at Urbana-Champaign,Urbana,Ill,1973.
- [8]CROCKFORD W W,BENDANA L J,YANG W S,RHEE S K,ENADHEERA S P.Modelling Stress and Strains States inPavement Structures Incorporating Thick Granular Layers[R].Final Report,the Texas Transportation Institute,College Sta-tion,Texas,1990.
- [9]UZAN J.Resilient Characterization of Pavement Materials[J].International Journal for Numerical and Analytical Methods inGeomechanics,1992,16:463-459.
- [10]TUTUMLUER E.Anisotropic Behavior of Unbound Aggregate Bases-State of the Art Summary-Proceedings of the 6th AnnualSymposium of the International Center for Aggregate Research(ICAR)[R].St.Louis,Missouri,1998.
- [11]栗振锋,胡长顺.轴对称横观各向同性半无限体表面位移的求解[J].长安大学学报,2002,22(5):13-16.