Seismic-Resistant Design Regulations for Structures, Earthquake and Experimental Results Lessons
Journal: Journal of Building Technology DOI: 10.32629/jbt.v6i2.2545
Abstract
The Mexico City earthquakes of September 19, 1985, and September 19, 2017, showed that the seismic requirements for these earthquakes exceeded those specified in the Mexico City building code. This study illustrates limitations in current procedures for the seismic analysis of structures. The Uncertainties in the assessment of seismic design requirements and limitations in the seismic analysis of structural systems indicate that the lateral strength specified in building codes is not sufficient and that structures must have lateral deformation capacity. It follows that structural systems with low or intermediate ductility, such as those allowed in the Mexico City Building Code (MCBC, 2017), would not be desirable for resisting strong earthquakes. The last part of this work shows computed story drifts in buildings with different structural systems, either based on frames or using structural walls. This study compares story drifts in these structural systems for both using the seismic demands specified by MCBC 2017 and for the seismic demands corresponding to the September 19, 2017, earthquake in Mexico City. The results for these story drifts show the importance of rigid structural systems for reducing story drift demands, not only for avoiding collapse in strong earthquakes but also for significantly reducing building damage.
Keywords
seismic design; seismic building codes; earthquakes; story drift; experimental results
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[29] Standards New Zealand (2006), NZS 3101, "Concrete Structure Standard, Part 1: The Design of Concrete Structures. Part 2: Commentary on the Design of Concrete Structures".
[2] ACI-363 (1992). "Report on High-Strength Concrete". American Concrete Institute Committee 363.
[3] ASC/SEI 7-10, (2016), "Minimum Design Loads for Buildings and Other Structures", American Society of Civil Engineers. Estados Unidos.
[4] Bradley B., Quigley M., Van Dissen R. Litchfiled N., (2014) "Ground Motion and Seismic Source Aspects of the Canterbury Earthquake Sequence", Earthquake Spectra, 30(1): 1-15.
[5] Cecen, H. (1979), "Response of Ten Story, Reinforced Concrete Model Frames to Simulated Earthquakes", Tesis para obtener el grado de Doctor en la Escuela de Graduados de Ingeniería Civil de la University of Illinois at Urbana-Champaign, Estados Unidos.
[6] Diario Oficial (2011), Decreto N61, Diario Oficial de la República de Chile, 13 de diciembre 2011.
[7] EERI (2011), "The M 6.3 Christchurch, New Zealand, Earthquake of February 22, 2011", EERI Special Earthquake Report", 1-16
[8] Elwood, K., y M. Eberhard. (2009). "Effective stiffness of reinforced concrete columns." ACI Structural Journal, 106(4): 476–484.
[9] Instituto Nacional de Normalizacion (1996), "Norma Chilena Oficial. Diseño Sísmico de edificios". NCh433.Of 1996. Chile
[10] Lagos, R., Kupper, M., Lindenberg, J., Bonelli, P., Saragoni, R., Gueldelman, T., Massone, L., Boroschek, R., and Yanez, F., (2012). Seismic Performance of High-Rise Concrete Buildings in Chile, International Journal of High-Rise Buildings, 1(3): 181-194.
[11] Massone L., Bonelli P., Lagos R., Luders C., Moehle J. y Wallace J. (2012), "Seismic Design and Construction Practices for RC Structural Wall Buildings", Earthquake Spectra, 28 (S1): S245-S256.
[12] Miranda, E. (1999). "Approximate Seismic Lateral Deformation Demands in Multistory Buildings", Journal of Structural Engineering, 125(4): 417-425.
[13] Normas Técnicas Complementarias por Sismo (2004). Gaceta Oficial del Distrito Federal.
[14] Normas Técnicas Complementarias por Sismo (2017). Gaceta Oficial de la Ciudad de México.
[15] Normas Técnicas Complementarias para Diseño y Construcción de Estructuras de Concreto, (2017), Gaceta Oficial de la Ciudad de México.
[16] Piedrahita, I. y Rodriguez, M. (2021), Ejemplo 13, en "Ejemplos de diseño de acuerdo con las Normas Técnicas Complementarias para Diseño por Sismo 2017/2020", SMIE, SMIS, ISBN 978-607-95994-3-0
[17] Pujol, S., y Rodriguez, M.E. (2019), "Evaluación del comportamiento de muros no estructurales en edificios de la Ciudad de México en el terremoto del 19 de septiembre 2017", Revista de Ingenieria Sísmica, 101: 53-66.
[18] RCDF (1976), "Reglamento de Construcciones para el DF". Diario Oficial de la Federación.
[19] Rodríguez, M, Restrepo, JI y Carr, AJ (2002). "Earthquake induced floor horizontal accelerations in buildings", Earthquake Engineering & Structural Dynamics, 31: 693-718.
[20] Rodríguez M.E. y Restrepo J., (2012), "Practica y diseño sísmico de edificios en México. Cambios necesarios", Revista de Ingenieria Sísmica, 86: 89-112.
[21] Rodriguez, M. (2016) "Una revisión crítica de la práctica de diseño por sismo de estructuras en México", Revista de Ingenieria Sismica, 94: 27-48.
[22] Rodriguez M. E. (2018), "Damage Index for Different Structural Systems Subjected to Recorded Earthquake Ground Motions", Earthquake Spectra, 34(2): 773-793.
[23] Rodriguez, M.E. (2020). "The Interpretation of Cumulative Damage from the Building Response Observed in Mexico City During the September 19, 2017 Earthquake", Earthquake Spectra, 36(2): 199-212. DOI: 10.1177/8755293020971307.
[24] Rodelo, R., Rodriguez, M., y Restrepo, J. (2020), "Parámetros relevantes de la curva esfuerzo-deformación de concretos no confinados producidos en México", Revista de Ingeniería Sísmica, 103: 18-36.
[25] Restrepo J. y Rodriguez, M. (2021) "Stiffness Modifiers to Support the Seismic Design of Reinforced Concrete Rectangular Columns", Journal of Structural Engineering, ASCE, Vol 147, No 10. DOI: 10.1061/(ASCE)ST.1943-541X.0003123.
[26] Saiidi M. y Sozen M. (1981), "Simple Nonlinear Analysis of RC Structures", Journal of Structural Engineering, ASCE, Vol 197, 937-952.
[27] Sharooz, B., y Moehle, J. (1990), "Seismic Response and Design of Setback Buildings", Journal of Structural Engineering, Vol. 116, No. 5, 1423-1439.
[28] Standards New Zealand (2004), NZS 1170.5:2004, "New Zealand Standard. Structural design actions. Part 5: Earthquake Actions-New Zealand".
[29] Standards New Zealand (2006), NZS 3101, "Concrete Structure Standard, Part 1: The Design of Concrete Structures. Part 2: Commentary on the Design of Concrete Structures".
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