Tutorial included in the sap2000 bridgeexamples document. It comes in several versions standard, plus and advanced. Linear and nonlinear static and dynamic analysis and. Introduction one of the emerging fields in seismic design of structures is the performance based design. Sap 2000 tutorial session notes this tutorial provides the basic steps of performing a frame analysis using sap 2000. You should then run the linear static and dynamic analysis by clicking run on the. Can you help me with pushover analysis of shear wall using sap 2000. Nonlinear static analysis pushover assumes that response is governed by a single mode of vibration, and that it is constant during the analysis distribution of lateral forces applied at storey masses. As the name states push over, push the building until you reach its maximum capacity to deform. Analysis and design of frame structures using sap2000 analysis and design of reinforced concrete reservoir. The csi analysis reference manual is available, in pdf format, within csi software by selecting help documentation manuals analysis reference manual. Im working on fragility analysis of rc buildings in qatar using pushover analysis in sap2000.
Pushover analysis option will allow engineers to perform pushover analysis as per fema 356. I need some guide in definition of hinge properties, using nonlinear fiber sections in. The structure has been evaluated using pushover analysis, a non linear static procedure, which may be considered as a series of static analysis carried out to develop a pushover curve for the. Sap pushover nonlinear analysis not converging ishvaaag. Aug 12, 2011 pushover analysis using sap2000 duration.
When and why we use pushover analysis of a structure. The pushover analysis, explained in its simplicity. Structural analysis for performance based earthquake. Nonlinear static pushover analysis of the model is presented by uniform acceleration lateral. This tutorial was initially written for sap2000, though the general procedure also applies to csibridge.
However, as a general conclusion, the static method does not. Define properties for pushover hinges using define section properties hinge properties. Sap2000 tutorials training videos, manuals and model files download. Create the computational model, without pushover data, using conventional modeling techniques. Also the book a practical guide to nonlinear static analysis of reinforced buildings with masonry infill have simple examples as it is applied using etabs. The design of aluminum and steel members permits initial sizing and an interactive optimization and design of concrete elements includes calculating the required number of steel reinforcing. Hinges may be defined manually or by using one of several default. Pushover analysis an overview sciencedirect topics. To study the nonlinear mechanical characteristics of reinforced concrete shear wall structures under rare earthquakes, a single reinforced concrete shear wall model is established in sap2000 program, which is simulated by nonlinear multilayer shell element. On sa, the analysis results are always the elastic limit state forces moment, shear and axial forces to be designed for. Segment oa has time period ta, curve a representing the rs curve and saa is the lateral load demand, in its elastic range. From a simple small 2d static frame analysis to a large complex 3d nonlinear dynamic analysis, sap2000 is the answer to all structural analysis and design needs. The pushover analysis from basics presented by rahul leslie 42. It is an incremental static analysis used to determine the forcedisplacement relationship, or the capacity curve, for a structure or structural element.
Pushover analysis is a nonlinear, static structure analysis, which enables presenting structure behavior caused by different types of loads resulting from an earthquake. Select run from the analyze menu to analyze the structure. Pushover analysis performancedbased seismic design by. Effects of plastic hinge properties in nonlinear analysis of. It is strongly recommended that you read this manual and work the tutorial. Seismic assessment of a rc building according to fema 356 and eurocode 8 ioannis p. The sap2000 plus program adds unlimited capacity, moving load liveload analysis capabilities, a complete range of finite elements, domain frequency analysis both steadystate and powerspectraldensity types and timehistory. Seismic assessment of an rc building using pushover analysis. This is a basic procedure to apply hinges and provide pushover loads. Pushover analysis is stopped when the structure reaches.
Seismic assessment of rc building using pushover analysis. I am doing pushover analysis for 12 story rc frame using sap2000 and defined hinges properties automatically from asce 41 tables after designing the frame using response spectrum and still face. This is done by incorporated in the form of nonlinear hinges inserted into an otherwise linear elastic model which one generates using a common analysisdesign software package staad. Firstly, the superiority of pushover analysis over elastic procedures in evaluating the seismic performance of a structure is discussed by identifying the advantages and limitations of the procedure. One of the emerging fields in seismic design of structures is the performance based design. A horizontal force pattern prescribed in the japanese seismic code for building structures 16 was adopted. Inelastic static analysis p rocedures include capacity spectrum method, displacement coeffic ient method and the secant method. Pushover is a staticnonlinear analysis method where a structure is subjected to gravity loading and a monotonic displacementcontrolled lateral load pattern which continuously increases through elastic and inelastic behavior until an ultimate condition is reached. Pushover analysis of steel structure using staad tn ram. Fema 451b topic 155b notes advanced analysis 155b 1 instructional material complementing fema 451, design examples advanced analysis 155b 1 structural analysis for performancebased earthquake engineering basic modeling concepts nonlinear static pushover analysis nonlinear dynamic response history analysis.
A new modeling approach in the pushover analysis of. Sap2000 watch and learn video tutorials cover a wide range of topics, from basic product overviews to advanced subjects such as nonlinear sequential construction. Pushover analysis is one of the representative analysis case for performancebased seismic design. Pushover analysis is a bit lengthy process but its interesting so share this video to all civil engineers.
Plotting base shear vs max interstorey drift by using data from pushover analysis in sap2000 in this video, how to find the joint displacements for each floor w. Sap2000 getting started stiffness, and the option to combine or envelope multiple dynamic analyses in. Beams and columns are modeled as nonlinear frame elements at the start and the end of. The results show that the static method using the adaptive pushover. Sap2000 detailed tutorial including pushover analysis ii. It is based on the design project example shown below, the complete solution of which is provided as a handout. Lateral load may represent the range of base shear induced by earthquake loading, and its. Effects of plastic hinge properties in nonlinear analysis. Typically a gravity load pushover is force controlled and lateral pushovers are displacement controlled. Where can i find a detailed example of pushover analysis. Analysis of retaining wall using sap2000 analysis of simple beam with dead and live loads in sap2000 analysis of stadium using sap2000 analysis of staircase using sap2000 analysis piles in sap2000 armed concrete design with sap2000 spanish building structure in sap2000 spanish cable stayed bridge design in sap2000 combined footing design by. Learn about the sap2000 structural analysis and design program. Lateral load may represent the range of base shear induced by earthquake loading.
Sap2000 basic analysis reference manual sap2000 beam. This procedure requires the execution of a nonlinear static analysis of a structure, which allows monitoring progressive yielding of the structure and establishing the capacity curve. Linear and nonlinear static and dynamic analysis and design. Pushover analysis helps you understand how a struc. Sap 2000 tutorial session notes mit opencourseware. A searchable and comprehensive reference manual which covers the general technical topics fundamental to modeling, analysis, and design using sap2000, csibridge, etabs, and safe. Hinges may be defined manually or by using one of several default specifications which are available. Pushover analysis in sap2000 civil engineering community. Pushover analysis was carried out for the basefixed superstructure to examine the yield displacements and succeeding inelastic behavior. How do i implement pushover analysis in sap2000 for the purpose. It will be a very great thing if its possible to have any example and it will be also very very useful if this topic will be highlighted in the forum, so that together we can find the best workflow to run pushover in robot. Pushover analysis of steel structure using staad tn. Sap2000 is a program developed by the company csi, computer and structures, inc. In addition, the users guide explains how to use larsa 4ds user interface, and the samples and tutorials manual provides a handson method for learning about the program.
Seismic assessment of a rc building according to fema 356 and. Introduction to pushover analysis and capacity spectrum method push over analysis pushoverdispensa0705. The following command executes the static pushover analysis when. Nonlinear pushover analysis of flatslab building by using sap2000 recent earthquakes in which many concrete structures have been severely damaged or collapsed, have indicated the need for evaluating the seismic adequacy of existing buildings. Due to its simplicity, the structural engineering profession has been using the nonlinear static procedure nsp or pushover analysis, described in fema356 and atc40. Practical three dimensional nonlinear static pushover analysis.
Manual, chapter 28 section 1 guided reading kennedy and the cold war answer key. Pushover analysis is a nonlinear static analysis that is used to study the behavior. Ppt pushover analysis powerpoint presentation free to. It is strongly recommended that you read this manual and work the tutorial before attempting a real project using sap2000. Tomorrow i will share the appendix of robobat millennium for pushover analysis, that is the same of arsa 2018. Sap2000 getting started stiffness, and the option to combine or envelope multiple dynamic analyses in the same run. In pa, in the global sense, it is the base shear vb vs roof top displacement.
Once the analysis has finished, you may want to look at the entire analysis results screen before pressing the ok button. Using sapusing sap2000 software package insoftware. Sap2000 introductory tutorial manual is intended to. It is made by the hypothesis that the angle of earthquake input of the structure is a random variable. It helps in understanding the deformation and cracking of a structure in case of earthquake and gives you a kind of fair unders. Pushover analysis, fema 356, eurocode 8, seismic assessment. It is widely accepted that, when pushover analysis is used carefully, it provides useful information that cannot be obtained by linear static or dynamic analysis procedures. Pushover analysis in sap2000 civil engineering downloads. Mar 27, 2019 guidelines for performing pushover analysis. The prevalence of manual engineering methods in wiring harness manufacturing compounds these challenges, especially as harness complexity increases. All nonlinear properties which determine possible structure damage due to forces resulting from an earthquake are concentrated in nonlinear hinges. Pushover analysis in sap2000 pushover is a staticnonlinear analysis method where a structure is subjected to gravity loading and a monotonic displacement. I dont really understand what ground motions i should use, and how to implement these in the.
A simple example of a pushover analysis is illustrated in figure 1. Using this method is performed a pushover analysis and the results are compared to 3muri software results. Full sap2000 complete course course at the cheapest rate. The third part of this volume, the sap2000 introductory tutorial manual, is intended to provide firsttime users with handson experience using the modeling, analysis and design features of sap2000. Pushover analysis is commonly used to evaluate the seismic capacity of existing structures and appears in several recent guidelines for retrofit seismic design. Tutorial included with the sap2000 bridge examples document. Seismic assessment of a rc building according to fema 356.
The latest release of sap2000 is available in three different analytical levels that all share the same graphical user interface. A new modeling approach in the pushover analysis of masonry. This is your first check to see if there are any problems with the model. Pushover analysis first steps tutorials computers and. Hi, i built a 3d bridge model to analyze the seismic pushover analysis in sap.
The pushover analysis from basics presented by rahul leslie 41. Sap pushover nonlinear analysis not converging computers. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. While running a static pushover analysis may take a single command, convergence may not always be reached with a single analysisparameter setting.
The key is the modeling with plane elements that have different characteristics in horizontal, vertical, and shear behaviour. I am running the nl because i have tensiononly bracing. Pushover analysis description robot structural analysis. Pushover analysis first steps tutorials computers and structures. Revit modern house autodesk revit architecture 2019 demonstration. An overview of the procedure for pushover analysis is given as follows. Rating is available when the video has been rented.
Rahul leslie1, assistant director, buildings design, driq board, kerala pwd, trivandrum. Separate manuals are available that delve deeper into specific uses of larsa 4d. The sap2000 ultimate level includes all of the nonlinear capabilities of the. Due to its simplicity, the structural engineering profession has been using the nonlinear static procedure nsp or pushover analysis. This tutorial was initially written for sap2000, though the general procedure also applies to. A single structural model can be used for a wide variety of different types of analysis and design. Pushover analysis is a static, nonlinear procedure using simplified nonlinear technique to estimate seismic structural deformations. In cases where you want to be aware of the nonlinear or plastic behaviour of a structure this effectively models the situation where some damage is received, however, total collapse is avoided. Structural analysis for performance based earthquake engineering. Dec 06, 2014 pushover is a staticnonlinear analysis method where a structure is subjected to gravity loading and a monotonic displacementcontrolled lateral load pattern which continuously increases through elastic and inelastic behavior until an ultimate condition is reached. Using sapusing sap2000 software package insoftware package in earthquake engineering part ii. I am doing pushover analysis for 12 story rc frame using sap2000 and defined hinges properties automatically from asce 41 tables after designing the.
Etabs 2015 tutorial 7 pushover analysis using is codes duration. Etabs 2015 tutorial 7 pushover analysis using is codes. Stepbystep movingload analysis first steps sap2000 procedure for initiating stepbystep movingload analysis. Aug 12, 2014 sap2000 has a powerful design in steel, concrete and aluminum fully integrated, all available from the same interface used to model and analyze the model. Sap pushover nonlinear analysis not converging ishvaaag structural 11 sep 11 09. Sap2000 video tutorials and manuals 2000 business ideas. Nonlinear pushover analysis of flatslab building by using. Run static pushover analysis while running a static pushover analysis may take a single command, convergence may not always be reached with a single analysis parameter setting. Deformation cable supported bridge analysis and pushover analysis. In this study, pushover analysis is carried out using the sap2000 program. About 60% of the land area of our country is susceptible to damaging levels of seismic hazard. The soil has been modeled as onejoint link members, link property defined as multilinear elastic py curve input according to geotechnical engineer. The results show that the static method using the adaptive pushover fit much better than those obtained from classical pushover when compared to the adnl. The capacity spectrum method allows for a graphical.
Csi analysis reference manual computers and structures. Sap2000 allows the distribution of lateral force used in the. It can also be useful for performancebased design of new buildings that rely on ductility or redundancies to resist earthquake forces. How do i implement pushover analysis in sap2000 for the. I am running across a problem while doing a nonlinear analysis on sap2000.
A threedimensional model of structure has been created as shown in figure 4. Applying a force distribution force distribution to the structure in an incremental fashion while monitoring the occurrence of. Capacity spectrum the building performance level can be determined by target displacement using the capacity spectrum method atc 40. Hakim et al seismic assessment of rc building using pushover analysis maximum expected response of the structure during ground motion 2, 3. The structure has been evaluated using pushover analysis, a non linear static procedure, which may be considered as a series of static analysis carried out to develop a pushover curve for the building. Then, pushover analyses are performed on case study frames using sap2000. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. We are committed to delivering uninterrupted software services worldwide during the covid19 crisis. Pushover analysis sap2000 itme analizi nonlinear pushoverperformance point.
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