In pa, in the global sense, it is the base shear vb vs roof top displacement. When you have questions about using the sapfi finance system, send an email or call. If you want to modify the properties, you can do so by clicking on modification factor and specifying the appropriate multipliers. The results of pushover analysis and modal pushover analysis are compared with those of time history analysis. Pushover analysis of retrofitted reinforced concrete buildings. Ppt pushover analysis powerpoint presentation free to. Sap2000 getting started stiffness, and the option to combine or envelope multiple dynamic analyses in the same run. This tutorial is intended to give you an understanding of how to analyze a problem in statics with sap2000. In pushover load case for other parameters, to modify the steps at which results needs. 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. 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. It is based on the design project example shown below, the complete solution of which is provided as a handout. Sap2000 procedure for initiating step by step movingload analysis. This leads to a reduction of the multidegreeoffreedom, mdof system, to an equivalent singledegree offreedom, esdof system, with properties predicted by a nonlinear static.
This document contains step by step set of instructions with screenshots for the most commonly used sap production planning processes. This tutorial will also introduce you to basic concepts. A threedimensional model of structure has been created as shown in figure 4. 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, seismic performance evaluation, nonlinear response, modal. Pushover analysis is performing for old as well as new building. Note the sap 2000 nonlinear predefined nonlinear hinge properties. 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. Nonlinear static analysis using sap 2000 researchgate. Pushover analysis in sap2000 civil engineering community. Pushover analysis comprises of a series of successive elastic analysis, superimposed to estimate a force displacement curve of overall structure. Pushover analysis an inelastic static analysis methods courtesy of bar. The pushover analysis from basics presented by rahul leslie 41. A 12span existing rc bridge was selected for the case study. The pushover analysis, explained in its simplicity alacero. Minimizing the number of null steps in sap2000 computers.
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. Sap2000 tutorials hw 7 problem 1 by andrew chan example. Mini sap 2000 tutorial for an example beam hands on. Pushover analysis is based on the assumption that structures oscillate predominantly in the first mode or in the lower modes of vibration during a seismic event.
How to overcome the warning maximum number of null steps reached and pushover case analysis not finshed in sap2000. The example application in section 8 of this manual provides users with a step by step description of the calculation of building damage and loss using the aebm. Seismic assessment of rc building using pushover analysis. Create the computational model, without pushover data, using conventional modeling techniques. 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. Overview of the procedure for timehistory analysis. Select run from the analyze menu to analyze the structure. Pushover analysis sap2000 itme analizi nonlinear pushoverperformance point duration. Pushover analysis first steps tutorials computers and. Revit modern house autodesk revit architecture 2019 demonstration. View the calculated properties of the section by clicking on section properties. Pushover analysis first steps tutorials computers and structures.
Also the book a practical guide to nonlinear static analysis of reinforced buildings with masonry. On sa, the analysis results are always the elastic limit state forces moment, shear and axial forces to be designed for. Guidelines for the manual modification of bridge bearings automatically created by the bridge modeler. Sap2000 tutorials hw 7 problem 1 by andrew chan brief. This article presents the steps used in performing a pushover analysis of a simple threedimensional building. 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. The example illustrates both the transformation of engineering data e. Pushover analysis starts from gravity loads nodal load patterns user, modal, mass multi step displacement or drift controlled sap2000etabs pushover options. Pushover analysis is carried out for either userdefined nonlinear hinge properties or defaulthinge properties, available in some programs based on the fema 356 such as sap2000. The following steps are included in the pushover analysis. Standard pushover analysis using fema 356 2000 displacement coefficient method and an improved upper bound pushover. View and download parker brothers pushover instruction manual online. Sap 2000 tutorial session notes this tutorial provides the basic steps of performing a frame analysis using sap 2000.
Using sap2000 software package in earthquake engineering. A modal pushover analysis procedure to estimate seismic. Sap user manuals pdf this users guide was created by university finance staff. Influencebased movingload analysis first steps sap2000. Practical three dimensional nonlinear static pushover analysis. Deformation cable supported bridge analysis and pushover analysis. The pushover analysis from basics presented by rahul leslie 42.
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. Pushover analyses were performed by both drain2dx and sap2000. Pushover analysis in sap2000 civil engineering downloads. As the name states push over, push the building until you reach its maximum capacity to deform. 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. The nonlinear static procedure nsp or pushover analysis, as described in fema273 1 and its successor fema356 2 is now used by the structural engineering profession as a standard tool for estimating seismic demands for buildings. Once the analysis has finished, you may want to look at the entire analysis results screen before pressing the ok button. It helps in understanding the deformation and cracking of a structure in case of earthquake and gives you a kind of fair unders. Gravity load analysis nodal loads element loads load controlled analysis.
Segment oa has time period ta, curve a representing the rs curve and saa is the lateral load demand, in its elastic range. Sap2000 basic analysis reference manual sap2000 beam example sap2000 bookk sap2000 bridge manual sap2000 concrete design manual sap2000 database and documentation sap2000 detailed tutorial including pushover analysis sap2000 for beginners sap2000 untuk pemula sap2000 for beginners sap2000 for biginners sap2000 getting. Structural analysis for performance based earthquake. 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. 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. Sap2000 detailed tutorial including pushover analysis. The pushover analysis is conducted for each equivalent sdof system, and by combination of the distribution of 1 mode, 2 modes and 3 modes, the responses of modal pushover analysis are obtained. 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. Target performance dictated by codes dbybhy 2007, section 1. Where can i find a detailed example of pushover analysis. Pushover pp t civil engineering classical mechanics. We will determine the reactions at point b and d in terms of the x and y components.
The sap2000 static pushover analysis capabilities, which are fully integrated into the program, allow quick and easy implementation of the pushover procedures prescribed in the atc40 and fema273 documents for both two and threedimensional buildings. Lateral load may represent the range of base shear induced by earthquake loading, and its. Using sap2000 for pushover analysis we will use the same frame elastic beams, just modify dead loads. It is intended to introduce and demonstrate many of the capabilites of sap2000. Seismic assessment of an rc building using pushover analysis. Help documentation manuals analysis reference manual. How do i implement pushover analysis in sap2000 for the. An overview of the procedure for pushover analysis is given as follows. Pushover analysis is a nonlinear static analysis that is used to study the behavior of the building when acted upon by an.
Click on the left mouse button to draw the chevron brace element. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. In this study, pushover analysis is carried out using the sap2000 program. This tutorial was initially written for sap2000, though the general procedure also applies to csibridge. The answer is in the reference manual pdf that comes with the software. This tutorial describes a manual modeling process for walltype bents within bride objects. Create the basic computer model without the pushover data in the usual manner as shown in figure 2.
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