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A New Method for Drawing the Capacity Spectrum for Seismic Analysis and Structural Rehabilitation | ||
| Journal of Rehabilitation in Civil Engineering | ||
| مقاله 9، دوره 8، شماره 3 - شماره پیاپی 19، آبان 2020، صفحه 109-123 اصل مقاله (714.96 K) | ||
| نوع مقاله: Regular Paper | ||
| شناسه دیجیتال (DOI): 10.22075/jrce.2020.19106.1360 | ||
| نویسندگان | ||
| Ali Golafshar* 1؛ Mohammad Hossein Saghafi2؛ Farshid Eshaghi3 | ||
| 1Department of Civil Engineering, Semnan Branch, Islamic Azad University | ||
| 2Assistant Professor, Department of Civil Engineering, Semnan Branch, Islamic Azad University, Semnan, Iran | ||
| 3Msc.Gratuated of Structural Engineering, Department of Civil Eng., Semnan Branch, Islamic Azad University,Semnan, Iran | ||
| تاریخ دریافت: 20 آبان 1398، تاریخ بازنگری: 12 بهمن 1398، تاریخ پذیرش: 19 فروردین 1399 | ||
| چکیده | ||
| A review of previous studies shows that there are two general views on how to determine demand in structures through incremental nonlinear static analysis. In the first view, multi-modal methods are used to determine demand in structures. In this view, the applied load pattern is applied to the structure according to the shape of each vibration mode, assuming that the structure deformation follows the shape of the vibration mode, the capacity spectrum is drawn and after determining the target displacement and the corresponding demand for each vibration mode, the final demand is determined by combination of response modes. In the second view, structural analysis is performed as a single run nonlinear static analysis and the effect of different vibration modes is shown in one load pattern. In this method, the load pattern that has somehow the effect of different modes is applied to the structure and the structure is analyzed under this load pattern. In the second view, due to the non-conformity of the structure deformation and the lateral load of a particular vibration mode of the structure, the conventional capacity spectrum method cannot be used. Therefore, the purpose of this paper is to propose a method for drawing the capacity spectrum and determining the target displacement in single run nonlinear static analysis for non-adaptive load patterns. After presenting the equations, three frames including 3-storey, 9-storey and 20-storey frames have been selected and the results of the proposed method have been evaluated along with modal pushover method and time history analysis for the frames. Comparison of the results of the proposed method and the modal pushover with the results of the nonlinear time history analysis shows that the proposed method is more efficient in determining the lateral displacement of the stories and roof than the conventional modal pushover method. | ||
| کلیدواژهها | ||
| Control point؛ Capacity spectrum؛ Effective mass | ||
| مراجع | ||
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[1] Chopra, A. K., & Goel, R. K. (2002). “A modal pushover analysis procedure for estimating seismic demands for buildings.” Earthquake engineering & structural dynamics, 31(3), pp. 561-582. [2] Shakeri, K., & Mohebbi, M. (2010). “Single-run modal pushover procedure based on the modal shear and moment in the stories.” In Proceedings of 14th European Conference on Earthquake Engineering, Ohrid, Republic of Macedonia (pp. 6199-6207). [3] Poursha, M., Khoshnoudian, F., & Moghadam, A. S. (2009). “A consecutive modal pushover procedure for estimating the seismic demands of tall buildings.” Engineering Structures, 31(2), pp. 591-599. [4] Vafaee, M. H., & Saffari, H. (2017). “A modal shear-based pushover procedure for estimating the seismic demands of tall building structures.” Soil Dynamics and Earthquake Engineering, 92, pp. 95-108. [5] Morsali, V., Behnamfar, F. (2019). New Lateral Force Distribution for Seismic Design of Structures Based on Seismic Demand Ratio. Journal of Rehabilitation in Civil Engineering, 7(1), pp. 141-158. [6] FaKhraddini, A., Fadaee, M., Saffari, H. (2019). A Target Displacement for Pushover Analysis to Estimate Seismic Demand of Eccentrically Braced Frames. Journal of Rehabilitation in Civil Engineering, 7(3), pp. 103-116. [7] Esfahanian, A., & Aghakouchak, A. A. (2019). A Single-Run Dynamic-Based Approach for Pushover Analysis of Structures Subjected to Near-Fault Pulse-Like Ground Motions. Journal of Earthquake Engineering, 23(5), pp. 725-749. [8] Elnashai, A. S. (2001). “Advanced inelastic static (pushover) analysis for earthquake applications.” Structural engineering and mechanics, 12(1), pp. 51-70. [9] Aydinoğlu, M. N. (2003). “An incremental response spectrum analysis procedure based on inelastic spectral displacements for multi-mode seismic performance evaluation.” Bulletin of Earthquake Engineering, 1(1), pp. 3-36. [10] Antoniou, S., & Pinho, R. (2004). “Development and verification of a displacement-based adaptive pushover procedure.” Journal of earthquake engineering, 8(05), pp. 643-661. [11] Shakeri, K., Shayanfar, M. A., & Kabeyasawa, T. (2010). “A story shear-based adaptive pushover procedure for estimating seismic demands of buildings.” Engineering structures, 32(1), pp. 174-183. [12] Abbasnia, R., Davoudi, A. T., & Maddah, M. M. (2013). “An adaptive pushover procedure based on effective modal mass combination rule.” Engineering Structures, 52, pp. 654-666. [13] Reyes, J. C., & Chopra, A. K. (2011). “Three‐dimensional modal pushover analysis of buildings subjected to two components of ground motion, including its evaluation for tall buildings.” Earthquake Engineering & Structural Dynamics, 40(7), pp. 789-806. [14] Poursha, M., Khoshnoudian, F., & Moghadam, A. S. (2011). “A consecutive modal pushover procedure for nonlinear static analysis of one-way unsymmetric-plan tall building structures.” Engineering Structures, 33(9), pp. 2417-2434. [15] Shakeri, K., Tarbali, K., & Mohebbi, M. (2012). “An adaptive modal pushover procedure for asymmetric-plan buildings.” Engineering Structures, 36, pp. 160-172. [16] Rofooei, F. R., & Mirjalili, M. R. (2018). “Dynamic-based pushover analysis for one-way plan-asymmetric buildings.” Engineering Structures, 163, 332-346. [17] Soleimani, S., Aziminejad, A., & Moghadam, A. S. (2017). “Extending the concept of energy-based pushover analysis to assess seismic demands of asymmetric-plan buildings.” Soil Dynamics and Earthquake Engineering, 93, pp. 29-41. [18] Belejo, A., & Bento, R. (2016). “Improved modal pushover analysis in seismic assessment of asymmetric plan buildings under the influence of one and two horizontal components of ground motions.” Soil Dynamics and Earthquake Engineering, 87, pp. 1-15. [19] Poursha, M., & Samarin, E. T. (2015). “The modified and extended upper-bound (UB) pushover method for the multi-mode pushover analysis of unsymmetric-plan tall buildings.” Soil Dynamics and Earthquake Engineering, 71, pp. 114-127. [20] Hernandez-Montes, E., Kwon, O. S., & Aschheim, M. A. (2004). “An energy-based formulation for first-and multiple-mode nonlinear static (pushover) analyses.” Journal of Earthquake Engineering, 8(01), pp. 69-88. [21] Kim, S. P., & Kurama, Y. C. (2008). “An alternative pushover analysis procedure to estimate seismic displacement demands.” Engineering structures, 30(12), pp. 3793-3807. [22] Casarotti, C., & Pinho, R. (2007). “An adaptive capacity spectrum method for assessment of bridges subjected to earthquake action.” Bulletin of Earthquake Engineering, 5(3), pp. 377-390. [23] Pinho, R., Monteiro, R., Casarotti, C., & Delgado, R. (2009). “Assessment of continuous span bridges through nonlinear static procedures.” Earthquake Spectra, 25(1), pp. 143-159. [24] Wang, F., & Ou, J. (2007). “Pushover analysis procedure for systems considering SSI effects based on capacity spectrum method.” Earthquake Engineering and Engineering Vibration, 6(3), pp. 269-279. [25] SeismoSoft . Seismosignal. Available from URL: http//www.seismosoft.com, 2011. [26] Lord, R. (1945). “The theory of sound.” Dover Publications, New York. [27] Gupta, A., & Krawinkler, H. (1998). Seismic demands for the performance evaluation of steel moment resisting frame structures (Doctoral dissertation, Stanford University). [28] Berkeley, C. S. I. (2011). Computer program SAP2000 v14. 2.4. Computers and Structures Inc., Berkeley, California, 80 [29] ASCE (2000). “FEMA 356 Prestandard and Commentary for the Seismic Rehabilitation of Buildings”, ASCE for the Federal Emergency Management Agency, Washington, D.C., November 2000 [30]FEMA P695(ATC-63),(2009), Quantification of Building Seismic Performance Factors” , Applied Technology Council , Redwoodcity ,California [31] Building and Housing Research Center, (2015), “Code on design of buildings against earthquakes”, Iran 2800 Standard, 4th edition. [32] Katsanos, E. I., Sextos, A. G., & Manolis, G. D. (2010). “Selection of earthquake ground motion records: A state-of-the-art review from a structural engineering perspective.” Soil Dynamics and Earthquake Engineering, 30(4), pp. 157-169. [33] Tso, W. K., Zhu, T. J., & Heidebrecht, A. C. (1992). “Engineering implication of ground motion A/V ratio.” Soil Dynamics and Earthquake Engineering, 11(3), pp. 133-144. [34] Sawada, T., Hirao, K., Yamamoto, H., & Tsujihara, O. (1992). “Relation between maximum amplitude ratio (a/v, ad/v 2) and spectral parameters of earthquake ground motion.” In Proc. l0th World Conf on Earthquake Engineering (Vol. 4, pp. 617-622). | ||
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