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A platform for research: civil engineering, architecture and urbanism
A framework for assessing the consequences of deferred or hastened highway asset interventions
Application of a treatment at appropriate time is indeed a critical issue in highway asset management. A treatment that is applied too early (hastened) or too late (deferred) has consequences in terms of the agency cost, facility performance and cost-effectiveness. This research uses basic concepts in costing and effectiveness analysis to develop a methodology for quantifying the consequences of mistimed highway preservation interventions. Through a case study on pavement preservation, demonstrating the practical application of the methodology, it is observed that the consequences of hastened or deferred interventions can differ across asset classes as well as across intervention types: the consequent life-cycle cost increases and performance losses are more severe for non-interstate highways compared with interstate highways, and are more severe for maintenance compared with light rehabilitation. Recognising that in the practical world, the timing of interventions need not be at the optimal levels, the paper goes on to show how an agency could use the developed methodology to establish acceptable ranges of intervention timing and introduce flexibility in its preservation schedules by establishing the earliest and the latest times for applying an intervention in order to avoid undue penalties in terms of cost and effectiveness.
A framework for assessing the consequences of deferred or hastened highway asset interventions
Application of a treatment at appropriate time is indeed a critical issue in highway asset management. A treatment that is applied too early (hastened) or too late (deferred) has consequences in terms of the agency cost, facility performance and cost-effectiveness. This research uses basic concepts in costing and effectiveness analysis to develop a methodology for quantifying the consequences of mistimed highway preservation interventions. Through a case study on pavement preservation, demonstrating the practical application of the methodology, it is observed that the consequences of hastened or deferred interventions can differ across asset classes as well as across intervention types: the consequent life-cycle cost increases and performance losses are more severe for non-interstate highways compared with interstate highways, and are more severe for maintenance compared with light rehabilitation. Recognising that in the practical world, the timing of interventions need not be at the optimal levels, the paper goes on to show how an agency could use the developed methodology to establish acceptable ranges of intervention timing and introduce flexibility in its preservation schedules by establishing the earliest and the latest times for applying an intervention in order to avoid undue penalties in terms of cost and effectiveness.
A framework for assessing the consequences of deferred or hastened highway asset interventions
Khurshid, Muhammad Bilal (author) / Irfan, Muhammad (author) / Ahmed, Anwaar (author) / Labi, Samuel (author)
Structure and Infrastructure Engineering ; 11 ; 282-296
2015-03-04
15 pages
Article (Journal)
Electronic Resource
English
A framework for assessing the consequences of deferred or hastened highway asset interventions
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