Life-cycle Cost Based Maintenance and Rehabilitation Strategies for Cable Supported Bridges

Initial cost was mainly considered in constructing a bridge in the past, whereas future payments such as the cost of strengthening or rehabilitation were neglected. This situation has brought numerous economic as well as social problems due to the lack of rational maintenance and rehabilitation strategies. Thus, it is necessary and urgent to develop appropriate bridge maintenance and rehabilitation strategies that not only meet serviceability criteria but also consider the life-cycle cost (LCC) optimization. This paper discusses major hazards of in-service cable supported bridges, including fatigue cracking of orthotropic steel decks, deterioration of cables, damage of main cables, hangers and expansion joints et al. Advanced maintenance and rehabilitation tools are introduced to save the life-cycle cost, acoustic emission monitoring technique and cold retrofit technique are detailed studied. A framework is provided for the strategies of maintenance and rehabilitation based on life-cycle cost. The framework takes into account of the safety, serviceability and sustainability during the lifetime of cable supported bridges.

[1]  Dan M. Frangopol,et al.  Maintenance and management of civil infrastructure based on condition, safety, optimization, and life-cycle cost* , 2007 .

[2]  Dan M. Frangopol,et al.  Life-cycle reliability-based maintenance cost optimization of deteriorating structures with emphasis on bridges , 2003 .

[3]  Hui Li,et al.  Monitoring and Failure Analysis of Corroded Bridge Cables under Fatigue Loading Using Acoustic Emission Sensors , 2012, Sensors.

[4]  Masayasu Ohtsu,et al.  Relative damage evaluation of concrete in a road bridge by AE rate-process analysis , 2007 .

[5]  Roger A. Dorton.  Cable supported bridges, Concept and design , 1986 .

[6]  S. Rolfe,et al.  Fracture and Fatigue Control in Structures: Applications of Fracture Mechanics, Third Edition , 1999 .

[7]  Dan M. Frangopol,et al.  Advanced Modeling for Efficient Computation of Life-Cycle Performance Prediction and Service-Life Estimation of Bridges , 2010 .

[8]  Dan M. Frangopol,et al.  Optimal bridge maintenance planning based on probabilistic performance prediction , 2004 .

[9]  R. Pullin,et al.  Damage Location in Steel Bridges by Acoustic Emission , 2001 .

[10]  Limin Sun,et al.  Experimental study on wire breakage detection by acoustic emission , 2011 .

[11]  Dan M. Frangopol,et al.  Cost-Based Optimum Scheduling of Inspection and Monitoring for Fatigue-Sensitive Structures under Uncertainty , 2011 .

[12]  C Wang,et al.  Fatigue cracking monitoring and evaluation using smart sensors for steel bridge decks , 2012 .

[13]  M. N. Bassim,et al.  Detection of the onset of fatigue crack growth in rail steels using acoustic emission , 1994 .

[14]  Andraž Legat,et al.  Detection of SCC on prestressing steel wire by the simultaneous use of electrochemical noise and acoustic emission measurements , 2007 .

[15]  Ove Sørensen,et al.  Design for movements in bridges , 2007 .

[16]  Jens Sandager Jensen.  Cable-supported bridges: design, maintenance, rehabilitation and management , 2014 .

[17]  Dan M. Frangopol,et al.  Lifetime Performance Analysis of Existing Steel Girder Bridge Superstructures , 2004 .

[18]  Bin Chen,et al.  Basic Performance of the Composite Deck System Composed of Orthotropic Steel Deck and Ultrathin RPC Layer , 2013 .

[19]  Haifan Xiang,et al.  State-of-the-art of long-span bridge engineering in China , 2007 .

[20]  Masayasu Ohtsu,et al.  Detection and evaluation of failures in high-strength tendon of prestressed concrete bridges by acoustic emission , 2007 .

[21]  Li Yan,et al.  INCORPORATING LIFE-CYCLE COSTS IN HIGHWAY-BRIDGE PLANNING AND DESIGN , 1995 .

[22]  D. Partov,et al.  STRUCTURE, DESIGN AND CONSTRUCTION OF A STEEL ORTHOTROPIC BRIDGE IN SOFIA , 2007 .

[23]  C. S. Cai,et al.  Acoustic emission monitoring of bridges: Review and case studies , 2010 .

[24]  Dan M. Frangopol,et al.  Expected maintenance cost of deteriorating civil infrastructures , 2001 .