Dynamic wave-soil-structure interaction analysis : with applications to tall buildings

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dc.contributor.authorYao, Ming Mingen_US
dc.date.accessioned2024-08-15T20:20:25Z
dc.date.available2024-08-15T20:20:25Z
dc.date.copyright2003en_US
dc.date.issued2003
dc.degree.departmentDepartment of Mechanical Engineeringen_US
dc.degree.levelMaster of Applied Science M.A.Sc.en
dc.description.abstractThis thesis presents a study on Soil-Structure Interaction (SSI) by analyzing the variance of fundamental frequencies and vibration modes of tall buildings through the application of parametric studies. There are two methods available for modeling the SSI: the direct method and substructure method. In this thesis, the substructure method is employed to model the subsystems of unbounded soil and structure separately. The unbounded soil is modeled by using the Scaled Boundary Finite Element Method (SBFEM), an infinitesi­mal finite-element cell method, [ 61] which naturally satisfies the radiation condition for the wave propagation problem. The structure is modeled using the standard finite element method. The SBFEM results in less degree of freedoms of the soil than the direct method by only modeling the interface of the interested area. In this work, a Dynamic Soil­ Structure Interaction Analysis program (DSSIA) [65] is used and modified to investigate the SSI effect on tall buildings in the frequency and time domains. A parametric study is carried out where the buildings are subjected to external impulse loadings and also earth­ quake loading. The fundamental frequency and the vibration and peak displacement along the height of the buildings are obtained in the time domain analysis. The coupling be­ tween the building's height, hysteretic damping ratio, soil dynamics and SSI effect are also investigated. The results are compared with building codes, field measurements and other numerical methods.
dc.format.extent81 pages
dc.identifier.urihttps://hdl.handle.net/1828/20279
dc.rightsAvailable to the World Wide Weben_US
dc.titleDynamic wave-soil-structure interaction analysis : with applications to tall buildingsen_US
dc.typeThesisen_US

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