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《Engineering Mechanics》 2006-05
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ANALYTICAL SOLUTION OF TRANSVERSELY ISOTROPIC ELASTIC MULTILAYERED SUBGRADE UNDER ARBITRARY LOADING IN RECTANGULAR COORDINATES

WANG You-kai,GONG Yao-qing(School of Civil Engineering,Henan Polytechnic University,454000,China)  
A general method for solving mechanical problems of multilayered subgrade is performed in a rectangular coordinate system,whereas solutions only existed in cylindrical coordinates before.First,the origin of the rectangular coordinate system is placed at a point out of the influential extention of the loading.Starting from the essential equations of transversely isotropic elastic mechanics,the state-controlling equations of one transversely isotropic elastic layer is derived by using Laplace transform and its differential properties,and the answer for one-layer subgrade is given with the theory of the state space.Then the analytical solution is obtained for transversely isotropic multi-layered elastic subgrade under arbitrary loadings by means of transferring matrix method.The new method is much more simple and expedient,especially for solving the non-axisymmetrical problems of multilayered subgrade,than the previous method base on cylindrical coordinate system.
【CateGory Index】: TU470
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【Co-references】
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1 DUN Zhi-lin1 , LIU Gan-bin2 (1. Department of civil Engineering, Jiaozuo Institute of Technology, Jiaozuo, Henan 454000, China; 2. Department of Civil Engineering, Zhejiang University, Hanzhou, Zhejiang 310027, China);ANALYTICAL SOLUTION FOR AXIAL SYMMETRIC PROBLEMS OF TRANSVERSELY ISOTROPIC FOUNDATION UNDER SEVERAL COMMON LOADS[J];Engineering Mechanics;2003-06
2 Li Haifang(Department of Geotechnical Engineering,China Institute of Water Reso urces and Hydropower Research Beijing 100044) Gong Xiaonan Wen Xiaogui(Institute of Geotechnical Engineering, Zhejiang University Hangzhou 310027);ANALYSIS OF DISPLACEMENT IN DIFFERENT DEPTH OF LOW-STRENGTH PILE COMPOSITE FOUNDATION[J];Industrial Construction;2005-01
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5 QIAO Shifan DUN ZhilinNI Hongge LIU Baochen(Institution of Civil Engineering and Architecture, CentralSouth University, Changsha 410075, China) (Department of Civil and Architecture Engineering, JiaozuoInstitution of Technology, Jiaozuo 454000, China)(Traffic Engineering Institute of Yantai Normal College,Yantai 264025, China);CONSTITUTIVE MODEL OF A TRANSVERSELY ISOTROPIC FOUNDATION[J];Mechanics and Engineering;2005-01
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