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San Fernando Earthquake Conference 50 Years of Lifeline Engineering Understanding, Improving, & Operationalizing Hazard Resilience for Lifelines University of California, Los Angeles (UCLA) California, USA San Fernando Earthquake Conference 50 Years of Lifeline Engineering Understanding, Improving, & Operationalizing Hazard Resilience for Lifelines Book of Abstracts Version 1 Edited by Craig A. Davis, Kent Yu, and Ertugrul Taciroglu Published by UCLA Natural Hazards Risk and Resiliency Research Center (NHR3) Report# GIRS-2021-05 March 22, 2021 lifelines2021.ucla.edu This book of abstracts is published by the University of California Los Angeles Natural Hazards Risk and Resiliency Research Center (NHR3) for the Lifelines 2021-22 Conference commemorating the San Fernando Earthquake – 50 Years of Lifeline Earthquake Engineering. Any statements expressed in these materials are those of the individual authors and do not necessarily represent the views of ASCE, the B. John Garrick Risk Institute, the Natural Hazards Risk and Resiliency Research Center, or the Regents of the University of California. No reference made in this publication to any specific method, product, process, or service constitutes or implies an endorsement, recommendation, or warranty thereof by UCLA or ASCE. The materials are for general information only and do not represent a standard of UCLA or ASCE, nor are they intended as a reference to purchase specifications, contracts, regulations, statutes, or any other legal document. UCLA and ASCE make no warranty of any kind, whether express or implied, concerning the accuracy, completeness, suitability, or utility of any information, apparatus, product, or process discussed in this publication and assumes no liability therefor. This information should not be used without first securing competent advice with respect to its suitability for any general or specific application. Anyone utilizing this information assumes all liability from such use, including but not limited to infringement of any patent or patents. Cite this publication as: Davis, C. A., K. Yu, and E. Taciroglu (2021). San Fernando Earthquake Conference - 50 years of Lifeline Engineering: Book of Abstracts, Lifelines2021-22, University of California Los Angeles Natural Hazards Risk and Resiliency Center Report No. GIRS-2021-05, Version 1, March 22, 2021, doi:10.34948/N3QP4X, https://doi.org/10.34948/N3QP4X. ABSTRACT There has been 50-years of progress in lifeline earthquake engineering since its inception as a primary field of practice following the 1971 San Fernando Earthquake in Los Angeles, California. Over that time lifeline engineering has been applied worldwide and extended to address additional hazards beyond earthquakes. Lifeline engineering is now recognized as a critical aspect to ensuring the resilience of communities against any and all hazards. It is therefore important to recognize the advancements in lifeline engineering over the past half-century on the occasion of the 50-year anniversary of the 1971 San Fernando earthquake. To understand, improve and operationalize hazard resilience for lifeline infrastructure systems we must recognize where we are in the practice, how we got here, and where we should be going. We must also recognize its continued increasing importance for improving community resilience. The Lifelines 2021-22 conference brings together practitioners, researchers, educators, material suppliers, innovators, service users, and other experts related to improving the lifeline infrastructure systems. The abstracts assembled in this volume represent the state-of-the-practice and the state-of-the-art, and describe future needs in lifeline infrastructure systems. i FOREWORD The February 9, 1971 San Fernando California Earthquake was a devastating yet seminal event which, for the first time, demonstrated the seismic threat to lifelines that fundamentally support our modern livelihoods. Knowledge gained from this event initiated the study of lifeline systems worldwide, including water, wastewater, electric power, gas and liquid fuels, communications, transportation, and solid waste management systems. The founding efforts of the ASCE Technical Council on Lifeline Earthquake Engineering, a predecessor unit to the current ASCE Infrastructure Resilience Division (IRD), by international leaders like the late Charles Martin Duke from the University of California, Los Angeles (UCLA) established lifeline systems into a mainstream discipline, now accepted as fundamental for community and regional resilience. To celebrate the advancement of lifeline earthquake engineering made over the past 50 years since this landmark seismic event, the ASCE Infrastructure Resilience Division (IRD) and The University of California, Los Angeles (UCLA) entered into a partnership in 2018 to organize and host the San Fernando Earthquake Conference – 50 years of Lifeline Engineering (Lifelines2021) in February 2021, focusing on “Understanding, Improving & Operationalizing Hazard Resilience for Lifeline Systems.” The 50th anniversary of the San Fernando Earthquake provides us with an opportunity to reflect on the need to increase the resilience of our critical infrastructure systems to earthquakes and other hazards. The conference will provide a retrospective of where we are today and how we got here. It will also contribute to a global vision for where we are going in our quest to create resilient infrastructure systems that support community and regional resilience within interdisciplinary and multihazard environments. The conference was originally planned to be held at UCLA on February 7-10, 2021. However, impacts from the COVID-19 pandemic required the conference to be delayed to February 2022 (Lifelines2021-22). This delay impacted the timely release of information authors had initially planned to provide during the original conference dates. As a result, to accommodate author interests to provide citable references for their work, the conference organizers added this Book of Abstracts publication. This set of abstracts is intended to stand alone and describe the authors' work and be independent of the final paper and presentation, which will be provided at the conference. This publication release includes abstracts submitted for presentation-only and those intended to be published as papers in the proceedings. Additional abstracts associated with work to be described at the conference will be added to this publication periodically. Abstracts for special sessions are planned to be added in the future. The Lifelines2021-22 conference activities were launched on February 9, 2021 with a webinar commemorating the 50th Anniversary of the San Fernando Earthquake. Prior to the in-person conference on February 7 to 11, 2022 at UCLA, the conference is holding several on-line activities throughout the 2021 calendar year related to the conference theme of Understanding, Improving and Operationalizing Hazard Resilience for Lifeline Systems. ii Table of Contents THE 1971 SAN FERNANDO EARTHQUAKE Research Review Summary of the San Fernando Earthquake ............................................................................................ 1 Murathan Saygılı, Doğukan Yıkılmaz and Onur Behzat Tokdemir The Alquist-Priolo Earthquake Fault Zoning Act at 50: Lessons Learned and New Developments Regarding the Assessment of Surface Fault Rupture Hazard in California .................................................................... 2 Timothy E. Dawson Seismic Safety of Large Storage Dams, Key Structures of Water and Hydropower Supply Systems ...................... 3 Martin Wieland and Lelio H. Mejia A Comprehensive Re-Evaluation of the Seismic Performances of the Upper and Lower San Fernando Dams Using Current State of Practice Procedures .............................................................................................................................. 4 Raymond B. Seed, Khaled Chowdhury, Vlad Perlea, Ethan Dawson, Joseph Weber, Kemal Onder Cetin, and Robb Moss A Retrospective Evaluation of the Performance of the Lower San Fernando Dam ...................................................... 5 Martin W. McCann, Jr. Jinal Jainesh Mehta, Craig A. Davis, David L. Freyberg Role of Cyclic Softening in the Response of the Lower San Fernando Dam ..................................................................... 6 Jack Montgomery, Ross W. Boulanger, Michael J. Kiernan, S. and Craig A. Davis Upper San Fernando Dam Construction Methods and Implications on the Modeling of Its Seismic Performance ........................................................................................................................................................................................ 7 Craig A. Davis, Jean-Pierre Bardet, Jianping Hu Lessons Learned From the Observed Seismic Settlement at the Jensen Filtration Plant in the San Fernando Earthquake ........................................................................................................................................................................................... 8 Robert Pyke Evolution of Seismic Analysis of an Embankment Dam with Approaches and Insights from Back-Analyses of the Seismic Performances the Upper and Lower San Fernando Dams ........................................................................ 9 Khaled Chowdhury, Ethan Dawson, Raymond B. Seed, David Serafini, Erik Newman, and Camilo Alvarez Road to Resilience – Seismic Upgrades of Water Treatment Facility Damaged in San Fernando Earthquake .......................................................................................................................................................................................
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