Chapter 1 welcome to sap2000 program levels and features 1 3. Soilstructure software t eam is comprised of licensed engineers and graduate computer programmer. Dynamic behavior of the soilfoundation interaction system due to earthquake type loading k. The hyperlinks below, present the concepts and techniques associated with modeling soilstructure interaction. Earthquake ground motion causes soil displacement known as free field motion.
The objective of base isolation is to decouple the structure from the damaging component of the earthquake. Influence of the soilstructure interaction on the design. Structural software for analysis and design sap2000. Soilstructure retaining wall free version download for pc. Recent advances in seismic soilstructure interaction. Soilstructure interaction analysis is often preceded by siteresponse analysis, in order to calculate the foundation input ground motion.
Soilvision is pleased to announce that it has been acquired along with plaxis by bentley in july of 2018. Overview of soil structure interaction principles jonathan p. To the writers knowledge, it is luco and contesse 6 in 1973 to come up first with the structuresoilstructure interaction designation for this area of study. I am working on soil structure interaction in my thesis i modeled rc buildings frame 5,10,15,20 storeys i want to include the effect of ssi using sap2000 first i assumed that the base of structures is fixed and use the response spectrum analysis you can include the ss and s1 and also you can choose the soil class. The kern county earthquake is used because of its long duration and response over a wide period range. Sap2000 download download latest sap2000 ultimate version for free. One modeling feature useful to soilstructure interaction is the gap compressiononly link object, which enables foundation uplift without the development of. Soilvision award winning geotechnicalhydrogeological software. Dear all, i am modelling a tunnel structure rectangular using soil structure interaction in sap2000. Soilstructure interaction technical knowledge base. Full modeling of soil, foundation, structure propagate waves through system beyond scope of. Latest sap2000 download civil engineering community.
Comparison of structural elements response in plaxis 3d. Sap2000 follows in the same tradition featuring a very sophisticated, intuitive and versatile user interface powered by an unmatched analysis engine and. Structural systems that incorporate stiff vertical elements for lateral resistance e. Steel frame section properties for the aisc shapes database version 14. One modeling feature useful to soil structure interaction is the gap compressiononly link object, which enables foundation uplift without the development of tensile forces. The building is analysed as bare frame with computer software package sap 2000. Overview of soilstructure interaction principles jonathan p. Sap2000 abilities for soil structure interaction arabic.
Nov 07, 2017 considering soil structure interaction makes a structure more flexible and thus, increasing the natural period of the structure compared to the corresponding rigidly supported structure. Comparison of structural elements response in plaxis 3d and. To address this problem, a finite element method is used to model soil structure interaction analysis of raft foundation supported framed structures by programming in sap 2000. Because our engineers are also consultants, soilstructure software is in sync with current state of practice. Our experience is in substructual engineering, geotechnic al engineering and higher level computer languages. Bem analysis of 3d soilstructural foundation interaction for incident body waves h. Sap2000 abilities for soilstructure interaction civil. Purchase soil structure interaction, volume 43 1st edition. Applicaiton of the computer program sassi for seismic ssi. Oct, 20 for the love of physics walter lewin may 16, 2011 duration.
Soil structure interaction ssi knowledge and effect on the seismic assessment of npps structures and components comparison of maximum accelerations soil analysis case 2sn4um location elev. Kinematic interaction principally affects the frequency content and amplitude of foundation motions relative to free field motions e. Soilstructure interaction livermore software technology corp. Free technical support is available from computers and structures, inc. Soil structure is discussed in relation to the environment, soil biological components, soil properties, and soil management practices with the intent of better understanding soil structural dynamics. Downloads code sap2000 abilities for soilstructure interaction arabic. Soilstructure interaction livermore software technology. Dynamic soil structure interaction geoslope international. Soilstructure interaction effects on elastic and inelastic. The slab and mat foundations are modelled as a rigid diaphragm with the help of four node plate elements. Download structural design software sap2000 20 developed by computers and structures inc. Our user interface was created to be as easy to use as possible.
The soilstructure system is referred to a global x 1 x 2 x 3 coordinate system as shown in the figure, where x 1 x 2 coincides with the top surface of the layer and x 3 axis is directed upwards. Jeanlouis briaud problems associated with shrinkswell soils are well known geotechnical problems that. Soil structure interaction analysis methods state of art. Local procedures in section 3 are grouped as transmitting boundary conditions, infinite elements and absorbing layers. Soilstructure interaction broadly can be divided into two phenomena. Home software manuals sap2000 abilities for soil structure. Which model is better for soilstructure interaction in sap. Civilax is the knowledge base covering all disciplines in civil engineering. Soilstructure interaction etabs computers and structures. Taft records of the 1952 kern county earthquake were selected as the initial seed time histories figure 3. The purpose of this paper is to present the soiltunnelstructure. We aim to close the gap to the industry by improving the awareness about latest trends in civil engineering.
Pywall considers soilstructure interaction by using a beamcolumn model and can analyze the behavior of a flexible retaining wall or soldierpile wall with or without tiebacks or bracing systems. Mtrsassi software is a substructuring program that uses the complex frequency response method and finite element technique to solve a wide range of dynamic soil structure interaction problems. Soil structure soil structure refers to the size, shape and arrange. From its 3d object based graphical modeling environment to the wide variety of analysis and design options completely integrated across one powerful user interface, sap2000 has proven to be the most integrated, productive and practical general purpose structural program on the market today. The most significant effect of the presence of an adjacent foundation is the introduction of certain modes of response that are not present in the single foundation. Jun 23, 2016 soilstructure interaction plays an important role in the behavior of structure under static or dynamic loading. After more than a quarter century of consulting engineering work, i have come to the conclusion that our project engineers need robust software with familiar inputs. When initially released in 1996, sap2000 was the first version of sap to be completely integrated within microsoft windows.
To study the soil structure interaction of the 10, 15, 20 and 25storied. Soilvision award winning geotechnicalhydrogeological. It influences the behavior of soil, as well as the response of pile under loading. A system for analysis of soilstructure interaction. Which model is better for soilstructure interaction in sap 2000 jointsprings or link element.
The program has been developed specifically for practical applications and has the following characteristics. The sap name has been synonymous with stateoftheart analytical methods since its introduction over 30 years ago. Study of soil structure interaction effect on multistory. Sap2000 follows in the same tradition featuring a very sophisticated, intuitive and versatile user interface powered by an unmatched analysis engine and design tools for engineers working on transportation, industrial, public works, sports, and other facilities. It is determined by how individual soil granules clump, bind together, and aggregate, resulting in the arrangement of soil pores between them. Soil structure interaction for shrinkswell soils a new design procedure for foundation slabs on shrinkswell soils. 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. Soil structure describes the arrangement of the solid parts of the soil and of the pore space located between them. The analysis is highly essential for predicting a more accurate structural behavior so as to improve the safety of structures under extreme loading conditions.
Our software is utilized in the mining, infrastructure, energy, arctic and nuclear industries for the design of large earth dams, mine tailings consolidation, waste rock slope stability. We require this information in order to email you a working demo. For the love of physics walter lewin may 16, 2011 duration. A system for analysis of soilstructure interaction university of california, berkeley. Soilstructure retaining wall software is an efficient and powerful program with the following unique capabilities. Soil structure interaction in sap2000 computers and. Soilstructure interaction idaho national laboratory. Soil dynamics 2001 fourth international conference on recent advances in geotechnical earthquake engineering and soil dynamics 29 mar 2001, 11. Groundstructure interaction ssi consists of the interaction between soil ground and a structure built upon it. Csi software models soilstructure interaction using a oneparameter winkler soil model. Ammar motorwala modelling soilstructure interaction for nonlinear dynamic analysis of framed structures with pile foundation 1 p a g e modelling soilstructure interaction for nonlinear dynamic analysis of framed structures with pile foundation an earthquake is a phenomenon which basically takes place to dissipate the strain. Seismic analysis of adjacent buildings subjected to double.
Soilstructure software increases the engineers bottom line by eliminating hours of tedious calculations. The change in understanding of the sitespecific seismic. The 3d model is generated in sap 2000 software package. The acquisition of soilvision by bentley, a civilinfrastructure engineering software company provides opportunity and strength to be leveraged into future product development. Base isolation is an advanced technology used to protect the structure from the damaging effect of earthquake. We aim to close the gap to the industry by improving the awareness about. Stated conversely, the presence of a stiff structure could possibly affect the response of the ground to earthquake shaking. Soil structure interaction effect on base isolated. Jun 30, 2015 civilax is the knowledge base covering all disciplines in civil engineering. Soilvision provides a comprehensive suite of 2d and 3d geotechnical software. 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. Dear all, i am modelling a tunnel structure rectangular using soilstructure interaction in.
The effect of soilstructure interaction ssi on the dynamic response of a building is on the free field excitation and on the response characteristics of the oscillation system. Soilstructure interaction plays an important role in the behavior of structure under static or dynamic loading. Soil structure interaction analysis is often preceded by siteresponse analysis, in order to calculate the foundation input ground motion. Dear all, i am modelling a tunnel structure rectangular using soilstructure interaction in sap2000. Soil structure has a major influence on water and air movement, biological activity, root growth and seedling emergence. Soilstructure interaction response to high amplitude forced vibration d. Aggregation is the result of the interaction of soil particles through rearrangement, flocculation and cementation. Considering soilstructure interaction makes a structure more flexible and thus, increasing the natural period of the structure compared to the.
A simple soilstructure interaction model sciencedirect. 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. Whether youre creating geometry graphically in multiple views using advanced modeling tools or using spreadsheets to input data directly, risa3d has you covered. 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 soil structure interaction.
Sap2000 follows in the same tradition featuring a very sophisticated, intuitive and versatile user interface powered by an unmatched analysis engine and design tools for engineers working on transportation, industrial, public works, sports, and other. Sassi system for analysis of soil structure interaction. To address this problem, a finite element method is used to model soil structure interaction analysis of raft foundation supported framed structures by programming in sap 2000 v14 software. However, the foundation embedded into the soil will not follow the free field motion. The past major earthquake demonstrated that strength alone would not be protecting the structure during earthquakes. Current practice of siteresponse and ssi analysis in the u. This is especially applicable to areas of seismic activity. I am working on a soil structure interaction problem. The time histories were developed so that they provided. Mtrsassi software is a substructuring program that uses the complex frequency response method and finite element technique to solve a wide range of dynamic soilstructure interaction problems. Welcome to soilstructure software tm soilstructure software. Structuresoilstructure interaction sssi, put forward in recent decades, means the dynamic interaction problem among the multistructure system through soilground. Which model is better for soilstructure interaction in.
1047 1392 1 21 455 930 285 1522 1313 264 376 1132 1553 970 1423 1246 472 490 1386 750 1317 52 301 1460 775 502 796 301 252 357 314 879