The concept of structure soil structure dynamic interaction was introduced, and the research methods were discussed. The direct method is used for modeling the soil and a tall building together. Because of the limitations of testing facilities and techniques, the seismic performance of soilstructure interaction ssi system can only be tested in a quite small scale model in laboratory. Soil structure interaction of framed structure supported on. Approach sgh performs a broad range of services in soil structure interaction ssi analysis and wave propagation for the calculation of responses of structures, systems, and components sscs to seismic and impact loads. Box 8022, zurich, switzerland received 6 october 1987 381 the procedures to perform nonlinear soil structure interaction analysis in the time domain are summarized. The soil and ground motion characteristics are most critical in the low frequency range at the hanford site. Structuresoilstructure interaction between underground. Missouri university of science and technology scholars mine. To establish a firm base for the classification of the methods, the objective and the significant features of soilstructureinteraction analysis described in the two text books 33, 38 are summarized in the following.
There are two methods available for modeling the soil structure interaction ssi. Some remarks about soil foundation structure interaction. Purchase modelling of soilstructure interaction, volume 58 1st edition. The purpose of this paper is to present the soiltunnelstructure. Soil structure interaction, earthquake engineering, halil sezen, intechopen, doi. Soil structure interaction ssi analysis traditional spra in involves the use of linear geometric properties soil and structure are glued together, namely, the soil undergoes tension when structure uplifts, linear soilproperties, and linear structure properties. The scale effect resulting from the small scale model is always coupled with.
The role of soilstructure interaction ssi in the seismic response of structures is reexplored using recorded motions and theoretical considerations. Overview of soilstructure interaction principles jonathan p. Soilstructure interaction ssi analysis traditional spra in involves the use of linear geometric properties soil and structure are glued together, namely, the soil undergoes tension when structure uplifts, linear soilproperties, and linear structure properties. Soil structure interaction broadly can be divided into two phenomena. Sgh performs soilstructure interaction ssi analyses to evaluate the true responses of these systems. By these means the soil structure interaction effects were also examined. S presentation outline purpose of presentation linear versus nonlinear seismic ssi nonlinear seismic soil structure interaction nlssi studies the nlssi introduction nonlinearity in seismic ssi analysis commercial software elements commercial software nonlinear constitutive models nonlinear seismic ssi damping demonstration of time domain 2d model. The book focuses on the role of soilstructureinteraction and soil dynamics. The time histories were developed so that they provided. Based on the analysis results, it has been concluded that the effect of soil structure interaction plays a significant role to increase the time period, bending moment in xx direction, bending. Soil structure interaction response to high amplitude forced vibration d. Earthquake ground motion causes soil displacement known as freefield. It was mainly found that depending on the structural type and for a.
The dynamic properties of the soil can be determined in two different ways. This document is highly rated by civil engineering ce students and has been viewed 978 times. This interaction between the structure and the soil is named soil structure interaction ssi. Maugeri department of civil and en vironmen tal engineering, university of catania, italy abstract the present paper deals with a parametric study of soil foundationframe interaction in pseudostatic conditions by means of a new finite element code, named sofia.
Soilstructure interaction response to high amplitude forced vibration d. Based on conventional theories it has been said that the soil structure interaction has effects that are beneficial for the structural response. Divya post graduate student, associate professor, school of mechanical building and sciences, vit university, chennai, india abstract soilstructure interaction is an important parameter in construction of structures where structural and geotechnical engineers are involved. Based on several documents, a systematic summary of the history and status of the structure soil structure dynamic interaction research that considers adjacent structures was proposed as a reference for researchers. Soilstructure interaction large civil structures such as concrete dams, nuclear power plants, highrise buildings and bridges are massive enough that their vibration due to earthquake excitation affects the motion of the soil or rock supporting them,which in turn further affects the motion of the struc. Earthquake wavesoilstructure interaction analysis of. Soilstructure interaction modeling effects on global responses. Soil structure interface effects on dynamic interaction analysis of reinforced concrete lifelines y. In view of this, there is a need to study the complex behaviour of soil pile structure interaction problems. Soilstructure interaction civil engineering ce notes edurev. Common sense tells us that every seismic structural response is caused by soil structure interaction forces im pacting structure by the definition of seismic excitation. Technical paper soilstructure institution of civil. Dynamic soilstructure interaction for sustainable infrastructures.
Purchase soilstructure interaction, volume 43 1st edition. In addition, the general applicability of lsdyna for this type of study is assessed by comparing the dynamic. Analysis of seismic records to evaluate soilstructure interaction effects on bridges structural engineering. Some remarks about soilfoundationstructure interaction. Stanford libraries official online search tool for books, media, journals, databases, government documents and more. Four different structures and three different sites were analyzed under two different input motions.
Origin and development of the efficient subsoil model. Numerical analysis of nonlinear soilstructure interaction. Ssi effects alter the natural frequency of the structure. Modelling of soilstructure interaction, volume 58 1st. Study on soil structure interface properties yalala nisha, dr. This work focuses on proving the importance of soil structure interaction for frame structure and computational modeling of groundstructure interaction using finite element package ansys11. The earthquake wave soil structure interaction analysis of tall buildings is the main focus of this research. Seismic safety margins research program in searchworks catalog. Soilstructure interaction using computer and material models crc press book. Because of the limitations of testing facilities and techniques, the seismic performance of soil structure interaction ssi system can only be tested in a quite small scale model in laboratory. Soilstructure interaction modeling effects on seismic. Based on the analysis results, it has been concluded that the effect of soilstructure interaction plays a significant role to increase the time period, bending moment in xx direction, bending. Based on several documents, a systematic summary of the history and status of the structuresoilstructure dynamic interaction research that considers adjacent structures was proposed as a reference for researchers.
One modeling feature useful to soilstructure interaction is the gap compressiononly link object, which enables foundation uplift without the development of. Most of the design codes for structures recommends neglecting the effect of ssi in the seismic analysis of the structure. Csi software models soilstructure interaction using a oneparameter winkler soil model. The importance of performance based design approaches and soil structure interaction in seismic design of structures are internationally recognized. Soilstructure interaction is an area of major importance in geotechnical engineering and geomechanics advanced geotechnical engineering. Seismic soil structure interaction of navigation locks. Soil structure interaction at a finite distance from a structure, the absolute displacements must approach the freefield displacements 16.
Dynamic soil structure interaction ppt, engineering, semester civil engineering ce notes edurev notes for civil engineering ce is made by best teachers who have written some of the best books of civil engineering ce. It discusses case studies as well as physical and numerical models of geostructures. This interaction between the structure and the soil is named soilstructure interaction ssi. Feb 29, 2012 ssi effects alter the natural frequency of the structure. Nonlinear seismic soil structure interaction ssi method for developing nonlinear seismic ssi analysis techniques justin coleman, p. Furthermore, according to fema 2000 the effects of soilstructure interaction must be evaluated for. Modelling of soilstructure interaction, volume 58 1st edition. Considering soilstructure interaction makes a structure more flexible and thus increases the natural period of the structure as compared to the corresponding rigidly supported structure. Dynamic soilstructure interaction is one of the major topics in earthquake. Soilstructure interaction livermore software technology. When a structure is subjected to an earthquake excitation, it interacts with the foundation and the soil, and thus changes the motion of the ground. Nanjing institute of architectural engineering, 1984 m. Soilstructure interaction technical knowledge base. Soilstructure interaction, earthquake engineering, halil sezen, intechopen, doi.
Effect of interactions on dynamic active earth pressures m. This book describes how a number of different methods of analysis and modelling, including the boundary element method, the finite element method, and a range of classical methods, are used to answer some of the questions associated with soilstructure interaction. Sgh performs soil structure interaction ssi analyses to evaluate the true responses of these systems. The first one is the common way, using the rayleigh waves dispersion on the soil surface, and the back calculation to shear wave profiles. The soil structure interaction is a special field of analysis in earthquake engineering, this soil structure interaction is defined as the dynamic interrelationship between the response of the structure is influenced by the motion of the soil and the soil response is influenced by. Taft records of the 1952 kern county earthquake were selected as the initial seed time histories figure 3. Effect of soilstructure interaction on seismic performance. Thus, the foundation is an important part of a structure, the type and details of which can be decided upon only with the knowledge and application of the principles of soil mechanics. Soilstructure interaction using computer and material models covers computer and analytical methods for a number of geotechnical problems. 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 certified training institute.
The loads from any structure have to be ultimately transmitted to a soil through the foundation for the structure. Soilstructureinteraction analysis in time domain john p. Divya post graduate student, associate professor, school of mechanical building and sciences, vit university, chennai, india abstract soil structure interaction is an important parameter in construction of structures where structural and geotechnical engineers are involved. Earthquake wavesoilstructure interaction analysis of tall. Soilstructureinteraction lehrstuhl fur baumechanik. Structuresoilstructure interaction analysis in a highly. Soil structure interaction ssi analysis evaluates the collective response of three linked systems. As will be shown in this paper, the incorporation of soilstructure interaction ssi and structuretosoilstructure interaction sssi shifts the relatively rigid response of the ptcb into this critical frequency range. Synopsis the major problems in predicting soil structure interaction are based on the fact that soil is neither homogeneous nor elastic and is invariably much weaker than the structure it has to support. Soil structure interaction modelling for piles in performancebased seismic design. Full modeling of soil, foundation, structure propagate waves through system. Soilstructure interaction livermore software technology corp. The acceleration time history at the tower top, where the tower acceleration response is significantly decreased due to degradation of soil stiffness and energy dissipation through soil hysteresis, clarifies the effects of soil nonlinearity.
We are a community of more than 103,000 authors and editors from 3,291 institutions spanning 160 countries, including nobel prize winners and some of the worlds mostcited researchers. Soilstructure interface effects on dynamic interaction analysis of reinforced concrete lifelines y. Common sense tells us that every seismic structural response is caused by soilstructure interaction forces im pacting structure by the definition of seismic excitation. Pile foundations and retaining structures by guoxi wu b. Considering soil structure interaction makes a structure more flexible and thus increases the natural period of the structure as compared to the corresponding rigidly supported structure. Soilstructure interaction modelling for piles in performancebased seismic design. A numerical study is made on the dynamic through soil interaction between underground station and nearby pile supported surface structure on viscouselastic soil layer, under vertically incident s wave. Furthermore, according to fema 2000 the effects of soil structure interaction must be evaluated for nearfield and soft soil sites and also for buildings in. Apr 09, 2020 soil structure interaction civil engineering ce notes edurev is made by best teachers of civil engineering ce. The efficient structuresoil interaction model assuming an arbitrary shape of structuresoil interface. Importance of soil structure interaction for framed structure.
Fema 2000 implies that soil structure interaction may modify the seismic demand on a building. All the structures were also analyzed as base isolated. Several natural and human induced processes can cause the propagation of waves in the soil, which can lead to. Soilstructure interaction ssi analysis evaluates the collective response of three linked systems. Energy definition and general theory of the efficient subsoil model. Soilstructure interaction, volume 43 1st edition elsevier. The book describes different approaches to ssi analysis and.
Overview of soil structure interaction principles jonathan p. Dynamic behavior of the soil foundation interaction system due to earthquake type loading k. This book describes how a number of different methods of analysis and modelling, including. The report further illustrate the resonance vibration of building and variation in nature of design. Assessment of the soilstructure interaction based on.
Modeling of soil and structure interaction subsea masters thesis in applied mechanics nicholas stromblad department of applied mechanics division of material and computational mechanics chalmers university of technology abstract the mechanical behavior of structures that are in contact with soil is a ected by the interaction between the soil. The second approach is the back calculation of the soil stiffness, based on the soilstructureinteraction. Fema 2000 implies that soilstructure interaction may modify the seismic demand on a building. Is there any bookdocument by which i can code soil structure interaction problem by. This paper focuses on the dynamic interaction and the interactive influence on seismic response of adjacent surface structure and underground structure. Soilstructure interaction broadly can be divided into two phenomena. There are two methods available for modeling the soilstructure interaction ssi. The kern county earthquake is used because of its long duration and response over a wide period range. Karlsruher reihe massivbau, baustofftechnologie, materialprufung. The purpose of this chapter is to illustrate whether and under which conditions ssi is important and what are its consequences on the dynamic response of the structure. Nuclear engineering and design 111 1989 3893 northholland, amsterdam soilstructureinteraction analysis in time domain john p. Stated conversely, the presence of a stiff structure could possibly affect the response of the ground to earthquake shaking.
Use of finite difference method fdm for soil structure interaction problems continued, computer programs based solution of different interaction problems such as beams, plates, application of foundation models in real life problem. Soil structure interaction of framed structure supported. Nuclear engineering and design 111 1989 3893 northholland, amsterdam soil structure interaction analysis in time domain john p. This work focuses on proving the importance of soil structure interaction for frame structure and computational modeling of ground structure interaction using finite element package ansys11. The concept of structuresoilstructure dynamic interaction was introduced, and the research methods were discussed. Soilstructure interaction ssi analysis is a special field of earthquake engineering. Is there any bookdocument by which i can code soil structure. Especially for longspan bridge, a smaller tested model is required when ssi phenomenon is considered in the physical test. As will be shown in this paper, the incorporation of soil structure interaction ssi and structure to soil structure interaction sssi shifts the relatively rigid response of the ptcb into this critical frequency range. Soil structure interaction ssi analysis is a special field of earthquake engineering.
Soil structure interaction and seismic design code provision even though the soil has good engineering characteristics 3. Such a situation is typical for nuclear power plants npps, deeply embedded structures, etc. Both studies are performed using the finite element program lsdyna. Numerical analysis of nonlinear soilstructure interaction m. Bem analysis of 3d soil structural foundation interaction for incident body waves h. Soilstructure interaction effects on seismic behaviour of. The efficient structure soil interaction model assuming an arbitrary shape of structure soil interface.
Spra that utilizes nonlinear soilstructure interaction nlssi analysis. The scale effect resulting from the small scale model is always. Includes results of several analyses conducted with seismic records obtained from two instrumented bridges in california via california and lake crowley in order to determine how ssi affects their dynamic properties. Study on soilstructure interface properties yalala nisha, dr. Box 8022, zurich, switzerland received 6 october 1987 381 the procedures to perform nonlinear soilstructureinteraction analysis in the time domain are summarized. The university of british columbia, canada, 1992 a thesis submitted in partial fulfillment of therequirements for degree of doctor of. Dynamic soil structure interaction ppt, engineering. Maugeri department of civil and en vironmen tal engineering, university of catania, italy abstract the present paper deals with a parametric study of soilfoundationframe interaction in pseudostatic conditions by means of a new finite element code, named sofia. Georgios maltidis seismic soil structure interaction of navigation locks. The earthquake wavesoilstructure interaction analysis of tall buildings is the main focus of this research. It introduces the main factors important to the application of. The hyperlinks below, present the concepts and techniques associated with modeling soilstructure interaction. Dynamic soil structure interaction geoslope international. Mar 22, 20 soil structure interaction modeling effects on global responses.