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. Due to the nscp code limitation in using this method of analysis, only a lowrise 5 story building was modelled 9. About 60% of the land area of our country is susceptible to damaging levels of seismic hazard. Pushover analysis of retrofitted reinforced concrete. Pdf pushover analysis using etabs and sap2000 free. 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. 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. Sep 16, 2014 the geometric nonlinearity of offdiagonal bracing system odbs could be a complementary system to covering and extending the nonlinearity of reinforced concrete material. Pushover analysis using etabs and sap2000 about us civilax based to server in civil engineering provides etabs and sap2000 tutorials, civil engineering spreadsheets, civil engineering ebooks and many more civil engineering downloads. View in hierarchy view source view scaffolding xml export to pdf export to word. 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. Practical three dimensional nonlinear static pushover analysis. Aug 04, 2014 civilax is the knowledge base covering all disciplines in civil engineering. Design the building as per linear analysis using expected strength and.
Seismic assessment of rc building using pushover analysis. In this study, pushover analysis is carried out using the sap2000 program. Nonlinear static pushover analysis of an eight story rc frame. Additional information can be found in the online help facility available within the sap2000 graphical user interface, and in. Pushover analysis is a partial and relatively simple intermediate solution to the complex problem of predicting force and deformation demands imposed on structures and their elements by severe ground motion. Evaluation of lateral load pattern in pushover analysis. Introduction one of the emerging fields in seismic design of structures is the performance based design.
Participants the workshop is designed for civil engineers enga ged in planning, design, or constructi on of structures. This video explains how you can do pushover analysis 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. Sap2000 was used to perform pushover analysis and etabs was used to calculate hinge properties of shear wall and elastic analysis. Applying a force distribution force distribution to the structure in an incremental fashion while monitoring the occurrence of. In the first model, the nonlinear behavior is represented using the concentrated plasticity concept with rotational springs. Nonlinear static analysis using sap 2000 researchgate. 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. Current research works and observations indicate that the sudan have lowtomoderate seismic regions. Pushover analysis is one of the analysis methods recommended by eurocode and fema 273. We aim to close the gap to the industry by improving the awareness about latest trends in civil engineering.
Pdf pushover analysis of rc frame structure using etabs. Seismic assessment of an rc building using pushover analysis. Pdf on apr 20, 2012, polu raju and others published nonlinear pushover analysis of flatslab building by using sap2000 find, read and cite all the research you need on researchgate. 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. Deformation cable supported bridge analysis and pushover analysis. The key is the modeling with plane elements that have different characteristics in horizontal, vertical, and shear behaviour. Pushover analysis first steps tutorials computers and structures. You should then run the linear static and dynamic analysis by clicking run on the. The pushover curves show a good correlation between the two softwares.
The width of strut is calculated by using equivalent strut method. Pushover analysis of high rise reinforced concrete building. By using nonlinear static pushover analysis, the performance level of. The objective of this paper is to assess the seismic performance of existing rc buildings in the sudan. The pushover analysis, explained in its simplicity. 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 using etabs and sap2000 civil engineering. Pushover analysis is a non linear static analysis used to determine the forcedisplacement relationship, or capacity curve, for a structural element. A new modeling approach in the pushover analysis of. Define properties for pushover hinges using define section properties hinge properties. Full sap2000 complete course course at the cheapest rate. This paper is also intended to compare the results of pushover and nonlinear dynamic time history analyses. This video explains how you can do pushover analysis using. The geometric nonlinearity of offdiagonal bracing system odbs could be a complementary system to covering and extending the nonlinearity of reinforced concrete material.
Nonlinear pushover analysis of flatslab building by using. It showed the performance level of building components along with maximum base shear carrying capacity. Pushover analysis of steel frame structures with different. As the name states push over, push the building until you reach its maximum capacity to deform.
Learn about the sap2000 structural analysis and design program. Seismic capacity assessment of existing rc buildings in the. Pushover analysis of high rise reinforced concrete. Software sap2000 version 7 and etabs version 7 14 were used for analysis. Pushover analysis for seismic assessment and design of structures spyridon themelis a dissertation submitted for the partial fulfilment of the requirements for the degree of doctor of philosophy heriotwatt university school of the built environment october 2008. For all lateral elements, cracked section was assumed with. Structural analysis using sap2000 to be conducted at iit kanpur during march 1819, 2015 workshop objectives the aim of the workshop is to provide the participants an overview on structural analysis using sap2000. Pushover analysis first steps tutorials computers and. But the question is, how is it possible to run a pushover analysis in sap2000 using distributed load. One of the emerging fields in seismic design of structures is the performance based design.
Considering the fact that this software is validated with experimental tests, confirms that the. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. To evaluate the performance of rc frame structure, a non linear static pushover analysis has been. A concrete frame building with 3 bays at 6 meters each is modelled. The associate will enactment how you will get the pushover analysis sap2000 masonry. The capacity spectrum method allows for a graphical. Pdf the pushover analysis, explained in its simplicity. Define properties for pushover hinges using define section properties. Shear wall modeling in sap2000 for pushover analysis n x y z figure 6. Structural analysis for performance based earthquake engineering. A new modeling approach in the pushover analysis of masonry.
The gravity push was carried out using force control method and lateral push with displacement control, using sap2000. Create the computational model, without pushover data, using conventional modeling techniques. Seismic capacity assessment of existing rc building by. Lateral load may represent the range of base shear induced by earthquake loading, and its configuration may be proportional to. Rahul leslie1, assistant director, buildings design, driq board, kerala pwd, trivandrum. Global analysis of tall buildings with tubed mega frame structures. Jul 25, 2017 download pushover analysis using etabs and sap2000. To close, the pushover analysis of two bridges is carried in their longitudinal direction. Home pushover analysis using etabs and sap2000 pushover analysis using etabs and sap2000. It helps in understanding the deformation and cracking of a structure in case of earthquake and gives you a kind of fair unders.
It is strongly recommended that you read this manual and work the tutorial before attempting a real project using sap2000. Nonlinear static pushover analysis was used to evaluate the seismic performance of the structures. Recently, the evaluation of seismic performance of existing buildings has received a great attention. This example demonstrates how to perform a pushover nonlinear static analysis in opensees using a 2story, 1bay steel moment resisting frame. The sap2000 ultimate level includes all of the nonlinear capabilities of the advanced level and adds the following powerful features. The five frame structures have been analyzed using the nonlinear program sap2000. This is similar to the pure eventtoevent method available for nonlinear directintegration time history analysis, and. 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. Create the computational model, without pushover data, using conventional modeling techniques define properties for pushover hinges using define section properties hinge properties. Isometric view of pushover analysis model of building. About 60% of the land area of our country is susceptible to damaging.
Modal pushover analysis for highrise buildings by ming zheng b. The pushover analysis of the building frame is carried out by using structural analysis and design software sap 2000 version 14. Finite element modeling and nonlinear analysis for seismic. Hinges may be defined manually or by using one of several default specifications which. The numerical analysis was done using sap2000 18 and guidelines of atc40 and fema 356 were followed. Methodology a static pushover analysis using sap2000 was utilized in the research. Push over analysis in etabs software in this video lecture you are able to learn about push over analysis in etabs software.
Mar 27, 2019 an overview of the procedure for pushover analysis is given as follows. Pdf nonlinear pushover analysis of flatslab building by. Pushover analysis was carried out for the basefixed superstructure to examine the yield displacements and succeeding inelastic behavior. Sap2000 detailed tutorial including pushover analysis ii. Pdf nonlinear pushover analysis of flatslab building by using. Pushover analysis is performing for old as well as new building. Most of existing buildings are designed only for gravity load. Pushover analysis of 2story moment frame openseeswiki. In pushover load case for other parameters, to modify the displacement upto which. An overview of the procedure for pushover analysis is given as follows create the computational model. However, modal elastic analysis using response spectra is the most common.
This article presents the steps used in performing a pushover analysis of a simple threedimensional building. Additional information can be found in the online help facility available within the sap2000 graphical user interface, and in the other manuals. Hakim et al seismic assessment of rc building using pushover analysis maximum expected response of the structure during ground motion 2, 3. Ppt pushover analysis powerpoint presentation free to. Feb 28, 2019 this video explains how you can do pushover analysis using sap2000. A horizontal force pattern prescribed in the japanese seismic code for building structures 16 was adopted. Modeling and analysis techniques as seen from the floor plan, due to shape of middle core walls, separate pushover analysis in positive and. Hi experts, i am about to run a pushover analysis of my model to establish a comparative study.
Beams and columns are modeled as nonlinear frame elements at the start and the end of. Collapse, pushover, and nonlinear analysis are different terms with same theoretical approach. Seismic capacity assessment of existing rc buildings in the sudan by using pushover analysis abstract fulltext html xml download as pdf size. 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. Jan 17, 2019 nonlinear static pushover analysis with useful discussion. Download pushover analysis using etabs and sap2000. Seismic capacity assessment of existing rc buildings in. Then the different models are investigated along various analyses. Civilax is the knowledge base covering all disciplines in civil engineering. Pushover analysis is one of the methods available to understand the seismic behavior of the structure. The selected building models are analyzed using pushover analysis. Pdf pushover analysis of rc frame structure using etabs 9.
Seismic performance of various configurations of infill in reinforced concrete frames is obtained by performing nonlinear static analysis in sap2000. Structural analysis for performance based earthquake. Leslie 3 has clearly explained the pushover analysis theoretically and practically using sap2000 as the analysis tool for a multistoried building. Pushover analysis is a bit lengthy process but its interesting so share this video to all civil engineers. Using this method is performed a pushover analysis and the results are compared to 3muri software results. Pushover analysis for seismic evaluation of masonry wall.
Practical three dimensional nonlinear static pushover analysis by ashraf habibullah, s. The structural analysis program, sap2000 version 14 was used to perform analyses. Pushover analysis produces push curve, consisting of capacity spectrum, demand spectrum, and performance point. The pushover curve in x direction in sap2000 is almost identical to corresponding 3muri curve. Introduction the eurocode 82 proposes several methods for seismic analysis of bridge structures. Pushover analysis of a 19 story concrete shear wall building. An overview of the procedure for pushover analysis is given as follows. Pdf on apr 20, 2012, polu raju and others published nonlinear pushover analysis of flatslab building by using sap2000 find, read and. Finite element modeling is performed for flexural frame, xbraced frame and the odbs braced frame system at the initial phase. Capacity spectrum the building performance level can be determined by target displacement using the capacity spectrum method atc 40. Pushover analysis an overview sciencedirect topics. In the present study the push over analysis is performed on multistoried frame structures by using most common software sap2000 version 14. Seismic vulnerability assessment of soft story irregular.