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Practical Application of Life-Cycle Cost Effective Design and Rehabilitation of Bridges

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Abstract

Recently, the demand on the practical application of life-cycle cost effective design and rehabilitation of bridges is rapidly growing in civil engineering practice. However, in spite of impressive progress in the researches on the Life-Cycle Cost (LCC), the most researches have only focused on the theoretical point but did not fully incorporate the critical issues for the practical implementation. Thus, this paper is intended to suggest a systemic integrated approach to the practical application of various LCC methodologies for the design and rehabilitation of bridges. For that purpose, hierarchical definitions of LCC models are presented to categorize the approach of LCC assessment applicable for the practical implementation. And then, an integrated LCC system model is introduced with an emphasis on data uncertainty assessment and user-friendly knowledge-based database for its successful implementation. Finally, in order to demonstrate the LCC effectiveness for design and rehabilitation of real bridge structures, illustrative examples are discussed

참고문헌 (13)

  1. "Development of Bridge Life-Cycle Cost Analysis Model" (2002), Final Report to Korea Infrastructure Safety and Technology Corporation
  2. "Life Cycle Cost Effectiveness for Design and Rehabilitation of Civil Infrastructures" (2002)
  3. "Reliability-Based Optimal Seismic Design and Upgrading of Continuous PC bridges Based on Minimum Expected Life-Cycle Costs" (2001)
  4. "Proceedings of Institution of Civil Engineers" (1994)
  5. "The Economic of New Technology Naterials: A Case Study of FRP Bridge Decking" (1996)
  6. "Bridge Lifetime System Reliability under Multiple Limit States" (2001)
  7. "Method for Extension of Service life of Road Bridges" (2000), Korea Infrastructure Safety and Technology Corporation
  8. "An Enhanced Strategy for Infra Facilities Safety Management System based on LCC Concept" (2001), Korea Institute Construction Technology and Korea Infrastructure Safety and Technology Corporation
  9. "Reliability-based cost-effective aseismic design of reinforced concrete frame-wall building" (1996), Univ. of California Irvine
  10. "Time- dependent Deflection, Serviceability Reliability and Experted Cost for RC Beams" (2001)
  11. "Life-Cycle Cost Analysis In Pavement Design - Interim Technical Bulletin" (1998), Federal Highway Administration
  12. "Minimum lifecycle cost structural design against natural hazards", (629) (2000), University of Illinois at Urbana-Champaign
  13. "Optimal seismic design based on life-cycle cost", pp.194~210 (1997), ASCE

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