Ultimate limit state analysis uls mc model is enough. Overview of soilstructure interaction principles jonathan p. A time domain analysis procedure and method for seismic soil structure interaction analysis are introduced in this work. These elements are appropriate for soilstructure interaction problems, solved in time or frequency domain and can be treated as a new form. Dynamic soil structure interaction geoslope international. Soil structure interaction analysis in time domain prentice hall international series in civil engineering and engineering mechanics wolf, john p.
Modelling the seismic soilstructure interaction for. The bounding surface plasticity model is implemented to model the near field. Soil structure interaction analysis in time domain by john p. Missouri university of science and technology scholars mine.
In the general approach of analysis using the cone model, the analysis. Various combinations of soil and structure can either. Soil structure interaction analysis in time domain prenticehall international series in civil engineering and engineering mechanics prentice hall series in solid state physical electronics. Soilstructure interaction analysis in the time domain a thesis submitted to the graduate division of the university of haw aii in partial fulfillment of the requirements for the degree of master of science in civil engineering august 2006 by sennghalee thesis committee. To establish a firm base for the classification of the methods, the objective and the significant features of soil structure interaction analysis described in the. The various methods to perform soil structure interaction analysis are classified. Freedman and keer 1972 studied the response of a body resting on the surface of a transversely isotropic halfplane and presented exact solutions in terms of dual integral equations. Basic equation of motion for such a system in time domain is given by eq.
Seismic soilstructure interaction in the time domain. These elements are appropriate for soil structure interaction problems, solved in time or frequency domain and can be treated as a new form of the recently proposed elastodynamic infinite elements with united shape functions eieusf infinite elements. The procedures to perform nonlinear soil structure interaction analysis in the time domain are summarized. Nonlinear dynamic soilstructure interaction in earthquake. Soilstructure interaction in the time domain sciencedirect.
The first classification uses as criterion the behaviour linear or nonlinear of the structure and of the unbounded soil which determines for the analysis either the familiar time domain, the natural choice for a dynamic analysis, or the frequency domain, originally developed for machine foundation. Nonlinear soil structure interaction analysis based on coupling of febe method in time domain 12 has applied a rigid surface foundation for the bspline direct time domain bem. Pdf dynamic soilstructure interaction analysis for complex soil. To establish a firm base for the classification of the methods, the objective and the significant features of soilstructureinteraction analysis described in the. Timedomain soilstructure interaction analysis using the.
In a seismic soilstructure interaction analysis, it is necessary to consider the in nite and layer characteristics of soil strata, and the nonlinear behaviors of soft soil. This includes the selection of the soil model, the far field model, the structural model and the soilstructure interaction analysis method. Earthquake ground motion causes soil displacement known as freefield motion. Wang, 2000 35 have introduced a direct time domain bemfem formulation for 3d soil structure interaction analysis. Nonlinear soilstructure interaction analysis based on. The response of nuclear power plants npps to seismic events is affected by soilstructure interactions ssi. Keywordssoilstructure interaction, seismic analysis, transmitting boundaries, abaqus, uamp subroutine.
Soilstructureinteraction analysis in time domain author. Consequently the equivalent spring stiffness and damper constants can be determined. Google scholar wolf jp and paronesso a 1992, lumpedparameter model for rigid cylindrical foundation embedded in soil layer on rigid rock, earthquake engineering and structural dynamics. Analysis of soilstructure interaction considering complicated soil. Majda, absorbing boundary conditions for the numerical simulation of waves, mathematics of computation 31 1977 629651. Time domain earthquake response analysis method for 2d. Time domain earthquake response analysis method for 2d soil structure interaction systems719 and the far field soil region is represented using horizontal, vertical and left and right corner infinite elements yun et al. Article pdf available in ksce journal of civil engineering 174 may. Present the need for nonlinear soilstructure interaction nlssi analysis discuss development of a nonlinear seismic soilstructure interaction. Soil structure interaction broadly can be divided into two phenomena. Analysis parameters that affect the accuracy of the calculations, including the. Alternatively to the spring method, frequencytime domain couplings can also be done j.
Soilstructureinteraction analysis in time domain prentice. Pdf a new numerical procedure is proposed for the analysis of threedimensional dynamic soilstructure interaction in the time domain. Pdf developments in dynamic soilstructure interaction pp 123 cite as. Nonlinear seismic soilstructure interaction analysis based. In dynamic soilstructure interaction analysis, usually the higher modes of the. Prestress can be controlled in time 560 sheetpile wall. Soil structure interaction analysis methods state of art. Analysis of seismic soilstructure interaction for a. Both studies are performed using the finite element program lsdyna. The objective of this study is to perform a rigorous seismic nonlinear soil structure interaction analysis in the time domain to satisfy the above re. Soilstructureinteraction analysis in time domain author links open overlay paneljohn p. Constitutive law for visco elastic body in the present analysis, saturated soil mass is considered in a drained situation and is idealized as a kelvin body fig. Inertial soil structure interaction inertia from vibration of structure and foundation causes foundation translation and rotation u f and.
Introduction structure foundation underlying soilrock response dictated by interactions between. Dynamic wavesoilstructure interaction analysis in time. On the total dynamic response of soilstructure interaction. Timedomain soilstructure interaction analysis using the scaled boundary. Nonlinear time domain seismic soil structure interaction ssi analysis for nuclear facilities and draft appendix b of asce 4 in proceedings of the structural mechanics in reactor technology smirt 20 conference, san francisco, august 1823, 20. The soil will be then replaced by a spring and a damper in the vertical direction. Time domain implementation of transmitting boundaries in. Element method sbfem for an elastic halfspace in frequency or in time domain, see wolf 2003. P soil structure interaction analysis in time domain. In a seismic soil structure interaction analysis, it is necessary to consider the in nite and layer characteristics of soil strata, and the nonlinear behaviors of soft soil. Development of nonlinear ssi time domain methodology.
In this paper, the time domain implementation of seismic analysis of a soil structure system is presented using classical discrete models of structure and interactive force boundary conditions for soil. Nonlinear soilstructure interaction analysis based on coupling of febe method in time domain 12 has applied a rigid surface foundation for the bspline direct time domain bem. The soilstructure interaction analysis is the method of evaluating the collective response of the three linked systems mentioned above for a specified ground motion. Soilstructure interaction in the time domain using. There are two methods available for modeling the soil structure interaction ssi. Soilstructureinteraction analysis in time domain nuclear. Justin coleman, andrew whittaker, and boris jeremic. Wolf, soilstructure interaction analysis in time domain prenticehall, englewood cliffs, nj, 1988. Nonlinear time domain seismic soil structure interaction ssi analysis for nuclear facilities and draft appendix b of asce 4 in proceedings of the structural mechanics in reactor technology smirt 20 conference, san. Modeling of dynamic soilstructureinteraction in the threedimensional finite element analysis of buildings horst werkle1 and jadranko volarevic2. The effects of considering the soilstructure interaction on the structural response can be determined using the cone model. Soilstructureinteraction analysis in time domain prentice hall international series in civil engineering and engineering mechanics. This paper is devoted to a new approachthe dynamic response of soilstructure system sss, the far field of which is discretized by decay or mapped elastodynamic infinite elements, based on scaling modified bessel shape functions are to be calculated.
Time domain earthquake response analysis method for 2d soilstructure interaction systems721 where,8 where cs, cp, and are wave velocities for swave, pwave and the mean value of the lth rayleigh wave l 1. Google scholar wolf jp and paronesso a 1992, lumpedparameter model for rigid cylindrical foundation embedded in soil layer on rigid rock, earthquake engineering and structural dynamics, 21. A numerical procedure for the threedimensional analysis of dynamic soilstructure interaction problems in the time domain is presented in this paper. The earthquake wavesoilstructure interaction analysis of tall buildings is the main focus of this research. Wolf, 97808229740, available at book depository with free delivery worldwide. Recursive evaluation of interaction forces of unbounded soil in frequency domain s.
The effects of considering the soil structure interaction on the structural response can be determined using the cone model. This method has been applied to soilstructure interaction problems both in time and frequency domain by wolf and song 34, 35. Purchase dynamic soilstructure interaction, volume 83 1st edition. Groundstructure interaction ssi consists of the interaction between soil ground and a structure built upon it. Thus the interaction effects have to be considered in the dynamic analysis of the structures in a semiinfinite soil medium wolf 1985, betti et al. Detailed information is provided in wolf and deeks 1, meek and wolf 710 and wolf and meek 1112.
Soilstructure interaction through substructures in time. Soil structure interaction analysis in the time domain a thesis submitted to the graduate division of the university of haw aii in partial fulfillment of the requirements for the degree of master of science in civil engineering august 2006 by sennghalee thesis committee. In the present paper, a finite element fe model with transmitting boundaries is used to analyse the ssi effect on the response of npp buildings subjected to vertically incident seismic excitation. However, the foundation embedded into the soil will not follow the free field motion. Ammar motorwala modelling soil structure interaction for nonlinear dynamic analysis of framed structures with pile foundation 1 p a g e modelling soil structure interaction for nonlinear dynamic analysis of framed structures with pile foundation an earthquake is a phenomenon which basically takes place to dissipate the strain energy accumulated over time at. Dynamic soilstructure interaction, volume 83 1st edition. Yun, timedomain soilstructure interaction analysis in twodimensional medium based on analytical frequencydependent infinite elements, int. Simplified analysis of frame structures with viscoelastic. Estimation of natural frequency and damping factor for dynamic soil structure interaction systems f. Constitutive aspects g current secant shear modulus. In these cases, the nonlinear domain, which includes the structure and the surrounding soil exhibiting nonlinear behaviour see figure 1, is formulated in the time domain using a fem modelling. Soilstructureinteraction analysis in time domain prentice hall international series in civil engineering and engineering mechanics wolf, john p.
A time domain analysis procedure and method for seismic soilstructure interaction analysis are introduced in this work. Wang, 2000 35 have introduced a direct time domain bemfem formulation for 3d soilstructure interaction analysis. Tied soilstructure interface behavior applicable to small range of seismic hazard. Pdf threedimensional dynamic soilstructure interaction. Soil structure interaction analysis in time domain author. Earthquake wavesoilstructure interaction analysis of. It is primarily an exchange of mutual stress, whereby the movement of the groundstructure system is influenced by both the type of ground and the type of structure. Combinedmodelsareusedinsoilstructureinteractionanalysis. Soilstructureinteraction analysis in time domain infoscience. The earthquake wave soil structure interaction analysis of tall buildings is the main focus of this research. Soilstructureinteraction using cone model in time domain.
Soilstructure interaction analyses using cone models. Currently there are two kinds of method dealing with itwolf. Dynamic analysis of partially embedded structures considering. Structuresoilstructure interaction analysis in a highly. The various methods to perform soilstructureinteraction analysis are classified. The soilstructure interaction can be defined as the process in which the response from the soil influences the motion of the structure and the motion of the given structure. Wolf jp 1988, soilstructureinteraction analysis in time domain, prenticehall, englewood cliffs, nj.
Jan 22, 2014 title slide of dynamic soil structure interaction,by wolf slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Request pdf dynamic wave soilstructure interaction analysis in time domain in recent papers zhang x, wegner jl, haddow, jb. Soilstructureinteraction analysis in time domain sciencedirect. This is especially applicable to areas of seismic activity. The procedures to perform nonlinear soilstructureinteraction analysis in the time domain are summarized. Wolf, soil structure interaction analysis in time domain prenticehall, englewood cliffs, nj, 1988. Comparative study of timedomain versus frequency domain.
Survey and classification of computational approaches in soil. Accordingly, this paper presents a soilstructure interaction analysis. Introduction the accuracy, and thus the usefulness, of a dynamic soilstructure interaction ssi analysis. Soilstructureinteraction analysis in time domain core. Soilstructure interaction in the time domain using halfspace. The soil and structural properties are completely arbitrary. Perfectly matched discrete layers with analytical wavelengths.
Dynamic soilstructure interaction is one of the major topics in earthquake engineering and soil dynamics since it is closely related to the safety evaluation of many important engineering projects, such as nuclear power plants, to resist earthquakes. Earthquake wavesoilstructure interaction analysis of tall. The objective of this study is to perform a rigorous seismic nonlinear soilstructure interaction analysis in the time domain to satisfy the above re. Survey and classification of computational approaches in. If you continue browsing the site, you agree to the use of cookies on this website. Sorry, we are unable to provide the full text but you may find it at the following locations. Nonlinear seismic soilstructure interaction analysis.
There are two methods available for modeling the soilstructure interaction ssi. Wolf, soilstructureinteraction analysis in time domain prenticehall, englewood cliffs, nj, 1988. Three dimensional soilstructure wave interaction analysis. Mccallen and romstadt 1994 developed a detailed, 3d numerical simulation of dynamic response of a shortspan overpass bridge system and showed that even when structure remains elastic, the complete soilstructure system is highly nonlinear due to soil interaction. The soil submodel is based on previous developments of wolf. Running the time domain constitutive model at various shear. The nonlinearity is restricted to the structure and possibly an adjacent irregular soil region.
Wolf jp 1988, soilstructure interaction analysis in time domain, prenticehall, englewood cliffs, nj. Soilstructureinteraction analysis in time domain john p. The most widely used combined model is the coupled finite element and boundary element method in both time and frequency domain 36 38. Combined models are used in soilstructure interaction analysis. In this study the sbfem in time domain as described by.
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