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Chile Earthquake of 2010: Assessment of Industrial Facilities around Concepción

Abstract

  • Sponsored by the Structural Engineering Institute of ASCE

    On February 27, 2010, an earthquake off the coast of Chile registered a magnitude of 8.8, making it the largest in Chile since 1960. Between those two massive quakes, Chile enacted codes to improve the seismic resilience of structures. Because the Chilean codes are similar to codes in the United States, the performance of industrial facilities in Chile provided an unprecedented opportunity to study how heavy U.S. industrial facilities might perform during a large seismic event.

    In April 2010, the ASCE/SEI Chile Assessment Team undertook a mission to observe structures in the affected zone and to gather information that would be useful to the development of U.S. codes. One team concentrated on identifying strengths and weaknesses in the response of industrial structures. This volume contains the team’s report on earthquake effects at the following facilities: CAP Acero Huachipato Steel Plant, including the coke plant, two blast furnaces, bar mills, a hot rolling mill, and a pier; ENAP Bio Bio Refinery, including process units, fin fan units, a wooden cooling tower, control buildings, and a tank farm; Abastible San Vicente Liquefied Petroleum Gas (LPG) Terminal, including two LPG spheres, an LPG tank, a pipe rack, and a pier; Santa Maria Power Station, a coal-fired plant under construction; and a base isolated pier at the Port of Coronel.

    This report also includes an analysis of anchor bolt performance at these facilities and overall recommendations of the assessment team. Nine appendixes of supporting documentation—including English translations of two Chilean standards—are available for download.

    For structural engineers, this report provides critical information for the development and implementation of seismic codes and standards, as well as for focusing retrofit efforts in heavy industrial facilities.

For selected items:
FREE
Front Matter
i–vi
    Chapter 1 Introduction
    1–2
    Chapter 2 Ground Motion Records
    3–5
    Chapter 3 Assessment of CAP Acero Steel Plant
    7–22
    Chapter 4 Assessment of ENAP Bio Bio Refinery
    23–47
    Chapter 5 Assessment of Abastible San Vicente Liquefied Petroleum Gas (LPG) Terminal
    49–65
    Chapter 6 Assessment of Santa Maria Power Station
    67–78
    Chapter 7 Assessment of Base Isolated Pier
    79–82
    Chapter 8 Anchor Bolt Performance
    83–97
    Chapter 9 Industrial Assessment Team Recommendations
    99–99
    FREE
    Appendix A:
    Chilean Standard NCh433.Of96: Seismic Design of Buildings
    –
      FREE
      Appendix B:
      Chilean Standard NCh2369.Of2003: Earthquake-Resistant Design of Industrial Structures and Facilities
      –
        FREE
        Appendix C:
        Drawings for Coal Bin, Coal Hopper, Holding Basins, and Pier Structure, CAP Acero Steel Plant
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          FREE
          Appendix D:
          ENAP Engineering Standard EI-001: Structural Steel Design and Fabrication
          –
            FREE
            Appendix E:
            ENAP Engineering Standard EI-002: Foundations and Elevated Structures
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              FREE
              Appendix F:
              ENAP Engineering Standard EI-004: Wind, Earthquake, and Snow Loading
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                FREE
                Appendix G:
                ENAP Engineering Standard EI-005e: Anchor Bolts
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                  FREE
                  Appendix H:
                  Soil Report for Hydrocracking Unit of ENAP Bio Bio Refinery
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                    FREE
                    Appendix I:
                    Drawings for LPG Spheres and LPG Tank, Abastible San Vicente LPG Terminal
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                      FREE
                      Index
                      101–105