Report - PEER - University of California, Berkeley
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Report - PEER - University of California, Berkeley

Report - PEER - University of California, Berkeley Report - PEER - University of California, Berkeley

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Retrofit of Nonstructural Components in Critical Facilities. ATC-29-2. NewportBeach, CA. pp. 485-499.Konstantinidis, D., and N. Makris. (2003). “Experimental and analytical studies onthe seismic response of slender laboratory equipment.” In the Proceedings of theApplied Technology Council Seminar on Seismic Design, Performance, andRetrofit of Nonstructural Components in Critical Facilities. ATC-29-2. NewportBeach, CA. pp. 399-411.Lee, T. H., and K. Mosalam. (2002). “OpenSees seismic analysis of the LSABuilding.” Draft Report submitted to Pacific Earthquake Engineering Research(PEER) Center. 45 pp.Newmark, N. M. (1965). “Effects of earthquakes on dams and embankments.”Geotechnique XV(2): 139-159.OpenSees. (2003). Open System for Earthquake Engineering Simulation. PacificEarthquake Engineering Research (PEER) Center. University of California,Berkeley. On-line documentation at: http://opensees.berkeley.edu/.Ray Chaudhuri, S., and T. C. Hutchinson. (2004a). “Characterizing FrictionalBehavior for Use in Predicting the Seismic Response of Unattached Equipment.”In the Proceedings of the 11th International Conference on Soil Dynamics &Earthquake Engineering. (SDEE 2004). Berkeley, California. January. pp. 368-375.Ray Chaudhuri, S., and T. C. Hutchinson. (2004b). “Performance characterization ofbench- and shelf-mounted equipment and contents.” Final report to PacificEarthquake Engineering Research (PEER) Center Report 2004/xx. (InPreparation).Santa-Ana, P. R., and E. Miranda. (2000). “Strength reduction factors for multidegree-of-freedomsystems”. In the Proceedings of the 12 th World Conference onEarthquake Engineering (WCEE). New Zealand. Paper number 1446. 8 pp.Shenton, H. W. III and N. P. Jones. (1991). “Base excitation of rigid bodies. I:formulation.” Journal of Engineering Mechanics, ASCE. 117: 2286–2306.Shenton, H. W. III. (1996). “Criteria for initiation of slide, rock, and slide-rock rigidbodymodes.” Journal of Engineering Mechanics, ASCE. 122(7): 690–693.Shao, Y., and C. C. Tung. (1999). “Seismic response of unanchored bodies.”Earthquake Spectra. 15(3): 523–536.Shinozuka, M., M. Q. Feng, H. K. Kim, and H. S. Kim. (2000). “Nonlinear staticprocedure for fragility curve development.” Journal of Engineering Mechanics,ASCE. 126(12): 1287-1295.Sommerville, P. (2002). “Ground motion time histories for the UC lab building.”Unpublished Pacific Earthquake Engineering Research (PEER) Center Report.Taniguchi, T. (2002). “Non-linear response analyses of rectangular rigid bodiessubjected to horizontal and vertical ground motion.” Earthquake Engineeringand Structural Dynamics. 31: 1481–1500.208

TOOLS TO ENABLE PREDICTION OF THE ECONOMIC IMPACT OFEARTHQUAKE DAMAGE IN OLDER RC BEAM-COLUMN JOINTSCatherine A. PAGNI 1 and Laura N. LOWES 2ABSTRACTA critical step in performance-based seismic design is the prediction and definition ofearthquake performance using terms that are meaningful to building owners. Recently,economic impact, defined as the cost of repairing earthquake damage and the buildingdowntime required to complete the repair work, has been adopted as a meaningful measure ofbuilding performance. To enable earthquake engineers to predict the economic impact ofearthquake loading, models are required linking the engineering measures used traditionally todefine building performance with damage, repair methods, economic loss and repair time.The work presented here develops these models for older reinforced concrete beamcolumnjoints. The results of previous research are used to develop empirical relationshipsbetween damage states and traditional engineering response measures, such as inter-story drift,joint deformation and number of loading cycles. The proposed damage states are characterizedby parameters such as concrete crack width, extent of concrete spalling and yielding andbuckling of reinforcement. The results of previous research and practical experience byengineers and contractors are used to define a series of repair methods that can be used torestore a damaged joint to its original condition. Each damage state is associated with a specificrepair technique, and probabilistic models are developed to enable prediction required repair.Keywords: Beam-column joint; Damage; Repair; Fragility function.1. INTRODUCTIONResearch at the Pacific Earthquake Engineering Research Center (PEER) andelsewhere to advance performance-based earthquake engineering has resulted in anawareness by the earthquake engineering community of the needs to (1) defineperformance using terms that are understood by and of valuable to building ownersand (2) employ a probabilistic framework that supports the propagation of uncertaintythrough the process. The PEER framework equation (http://peer.berkeley.edu):( DV ) = ∫∫∫GDV DM dG DM EDP dG EDP iM dλ( IM )ν (1)1 PACE Civil, Inc., Redding, CA USA2 Dept. of Civil Engineering, University of Washington, Seattle, WA USA209

Retr<strong>of</strong>it <strong>of</strong> Nonstructural Components in Critical Facilities. ATC-29-2. NewportBeach, CA. pp. 485-499.Konstantinidis, D., and N. Makris. (2003). “Experimental and analytical studies onthe seismic response <strong>of</strong> slender laboratory equipment.” In the Proceedings <strong>of</strong> theApplied Technology Council Seminar on Seismic Design, Performance, andRetr<strong>of</strong>it <strong>of</strong> Nonstructural Components in Critical Facilities. ATC-29-2. NewportBeach, CA. pp. 399-411.Lee, T. H., and K. Mosalam. (2002). “OpenSees seismic analysis <strong>of</strong> the LSABuilding.” Draft <strong>Report</strong> submitted to Pacific Earthquake Engineering Research(<strong>PEER</strong>) Center. 45 pp.Newmark, N. M. (1965). “Effects <strong>of</strong> earthquakes on dams and embankments.”Geotechnique XV(2): 139-159.OpenSees. (2003). Open System for Earthquake Engineering Simulation. PacificEarthquake Engineering Research (<strong>PEER</strong>) Center. <strong>University</strong> <strong>of</strong> <strong>California</strong>,<strong>Berkeley</strong>. On-line documentation at: http://opensees.berkeley.edu/.Ray Chaudhuri, S., and T. C. Hutchinson. (2004a). “Characterizing FrictionalBehavior for Use in Predicting the Seismic Response <strong>of</strong> Unattached Equipment.”In the Proceedings <strong>of</strong> the 11th International Conference on Soil Dynamics &Earthquake Engineering. (SDEE 2004). <strong>Berkeley</strong>, <strong>California</strong>. January. pp. 368-375.Ray Chaudhuri, S., and T. C. Hutchinson. (2004b). “Performance characterization <strong>of</strong>bench- and shelf-mounted equipment and contents.” Final report to PacificEarthquake Engineering Research (<strong>PEER</strong>) Center <strong>Report</strong> 2004/xx. (InPreparation).Santa-Ana, P. R., and E. Miranda. (2000). “Strength reduction factors for multidegree-<strong>of</strong>-freedomsystems”. In the Proceedings <strong>of</strong> the 12 th World Conference onEarthquake Engineering (WCEE). New Zealand. Paper number 1446. 8 pp.Shenton, H. W. III and N. P. Jones. (1991). “Base excitation <strong>of</strong> rigid bodies. I:formulation.” Journal <strong>of</strong> Engineering Mechanics, ASCE. 117: 2286–2306.Shenton, H. W. III. (1996). “Criteria for initiation <strong>of</strong> slide, rock, and slide-rock rigidbodymodes.” Journal <strong>of</strong> Engineering Mechanics, ASCE. 122(7): 690–693.Shao, Y., and C. C. Tung. (1999). “Seismic response <strong>of</strong> unanchored bodies.”Earthquake Spectra. 15(3): 523–536.Shinozuka, M., M. Q. Feng, H. K. Kim, and H. S. Kim. (2000). “Nonlinear staticprocedure for fragility curve development.” Journal <strong>of</strong> Engineering Mechanics,ASCE. 126(12): 1287-1295.Sommerville, P. (2002). “Ground motion time histories for the UC lab building.”Unpublished Pacific Earthquake Engineering Research (<strong>PEER</strong>) Center <strong>Report</strong>.Taniguchi, T. (2002). “Non-linear response analyses <strong>of</strong> rectangular rigid bodiessubjected to horizontal and vertical ground motion.” Earthquake Engineeringand Structural Dynamics. 31: 1481–1500.208

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