Nonlinear static pushover analysis for shear wall structures. Therefore, pushover analysis with single load pattern may not yield correct results for a bridge model. Pushover analysis an inelastic static analysis methods courtesy of bar. Fiber hinges pushover analysis computers and structures. This manual also helps in understanding the assumptions and procedures used in sap2000. In the present paper sap 2000 v8 is used to carry out the pushover analysis to a test building. Drain2dx, indyas, sap, strudl, statik, etabs and sofistik. Nonlinear static pushover analysis of masonry wall a pushover analysis is a nonlinear static procedure wherein monotonically increasing lateral loads are. Sap2000 manual sap2000 is a program developed by the company csi, computer and structures, inc. 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. Sep 30, 2010 pushover analysis analisa pushover dengan etabs 2000 berbicara tentang bangunan tinggi dan beban gempa, berarti kita juga sedang membahas pushover analysis dimana kita mengasumsikan bahwa sebuah gedung di dorong oleh beban lateral secara cyclic dan continue sampai gedung tersebut mengalami kondisi kritis. It comes in several versions standard, plus and advanced. Create the computational model, without pushover data, using conventional modeling techniques. Sap2000 tutorials training videos, manuals and model files 38 gb civil engineering community from.
The procedure is binding on all state system community colleges. Pushover analysis for seismic evaluation of masonry wall amit. However nsp suffers from a major drawback in that it is restricted with a singlemode response and therefore the procedure can be. It is strongly recommended that you read this manual and work the tutorial before attempting a real project using sap2000. Design reinforcedconcrete columns and beams while considering combined performance measures and interactionsurface output. The identification of authoritative support for an alternative procedure does not justify a departure from the sap. Sap2000 tutorials training videos, manuals and model files. For the pushover analyses realized with concentrated hinges, sap 2000 5 and midascivil 6 are in fact the two commercial software used to reach such goal. Aug 12, 2011 the interactive transcript could not be loaded. Application of pushover analysis for the calculation of behavior factor for reinforced concrete momentresisting frames mohamed s. 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.
Pushover analysis in sap2000 civil engineering community. Aug 12, 2014 sap2000 is a program developed by the company csi, computer and structures, inc. 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. This procedure requires the execution of a nonlinear static analysis of a structure, which allows. The objective of seismic resistant design is to have no structuralnonstructural damage in low magnitude earthquakes, limited and repairable damage in moderate earthquakes and life safety for extreme earthquakes. How can pushover analysis be done on a masonry building in. Standard pushover analysis using fema 356 2000 displacement coefficient method and an improved upper bound pushover analysis method were used to analyse the building.
This tutorial was initially written for sap2000, though the general procedure also applies to csibridge. The sap name has been synonymous with stateoftheart analytical methods since its introduction over 30 years ago. Sap 2000 tutorial, sap 2000 tutorial analysis of dynamic vehicle loading v12s. Rating is available when the video has been rented. May 18, 2017 you can do a pushover analysis on a building regardless of the main material by which it is constructed. Seismic assessment of a rc building according to fema 356 and. Mar 28, 2019 an overview of the designcheck procedure for steelframe structural systems. Structural analysis for performance based earthquake engineering. Pushover analysis first steps tutorials computers and. Organizations using simulation and analysis tools effectively see the benefits in their ability to achieve certification faster and with drastically less total cost than those who do not maximize these tools. Modal pushover analysis for highrise buildings by ming zheng b.
Evaluation of pushover analysis procedures for frame structures oguz, sermin m. 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. The relationship curve between base shear and top displacement of shear wall, and the stress distribution diagrams of the concrete layer and rebar layer are obtained. Read this white paper to learn about how digital tools such as analysis and simulation help in aircraft structure certification. This tutorial was initially written for sap2000, though the general. What i need to know is, whether the results i get from fiber hingessections are considered normal or not, because my experience in nonlinear analysis is limited. Sap 2000 tutorial,sap 2000 tutorial analysis of dynamic vehicle loading v12s.
Seismic assessment of a rc building according to fema 356. The socalled nonlinear static procedure nsp based on pushover analysis has been developed in the last decade as a practical engineering tool to estimate the inelastic response quantities in the framework of performancebased seismic evaluation of structures. An overview of the procedure for pushover analysis is given as follows. Pushover analysis is a static, nonlinear procedure using simplified nonlinear technique to estimate seismic structural deformations. Issa international journal of civil and structural engineering volume 5 issue 3 2015 221 0 200 400 600 800 1200 1400 1600 1800 2000.
Next article performance based evaluation of shear walled rcc building by pushover. Where can i find a detailed example of pushover analysis. Structural software for analysis and design sap2000. Then, pushover analyses are performed on case study frames using sap2000. Desain konstruksi dengan sap 2000 csi analysis reference manual. You can do a pushover analysis on a building regardless of the main material by which it is constructed. Global seismic demand for mdof system transform sdof displacement demand to the top displacement of the mdof model dt sd 7. The pushover analysis from basics presented by rahul leslie 42.
After discussion, revision and agreement, the procedure will be added to the sap manual. When i try a pushover with userdefined hinges properties not fiber ones in sap, what i get is a much different curve with sudden strenth drops and much smaller ultimate displacements. Segment oa has time period ta, curve a representing the rs curve and saa is the lateral load demand, in its elastic range. Nonlinear static pushover analysis of the model is presented by uniform acceleration lateral load pattern and inverted triangle lateral load pattern. Application of pushover analysis for the calculation of. Hinge and pmm in sap 2000 v12 pushover analysis computers. Ahmet yakut april 2005, 156 pages pushover analysis involves certain approximations and simplifications that some amount of variation is always expected to exist in seismic demand prediction of pushover. Feb, 2016 the pushover analysis from basics presented by rahul leslie 41. Sap2000 is a program developed by the company csi, computer and structures, inc. Introduction one of the emerging fields in seismic design of structures is the performance based design. This includes sap2000 manual for learn sap2000 from basics to advancce modelling. Target performance dictated by codes dbybhy 2007, section 1.
Pushover analysis option will allow engineers to perform pushover analysis as per fema 356. Additional information can be found in the online help facility available. 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. Local seismic demands for mdof system perform pushover analysis of mdof model up to the top displacement dt determine local response quantities e. Pushover analysis procedure in earthquake engineering. Civil engineering southwest jiaotong university, 2011 submitted to the department of civil and environmental engineering in partial fulfillment of the requirements for the degree of master of engineering in civil and environmental engineering at the. Plastic hinge length using sap 2000 5 some authors have proposed various expressions in order to establish the correct hinge length. Structural analysis program, sap2000 manual 8 explains the basic and the complete set of modeling and analysis features. Overview of the procedure for timehistory analysis. Pushover analysis in sap2000 civil engineering downloads. Lateral load may represent the range of base shear induced by earthquake loading, and its configuration may be proportional to the. A simple example of a pushover analysis is illustrated in figure 1. Sap 2000 tutorial analysis of dynamic vehicle loading v12s. Mar 27, 2019 guidelines for performing pushover analysis.
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