Modeling Nonmotorized Transport Costs and Benefits in the Highway Development and Management System

Odoki, J B; Kerali, H R

doi:10.3141/1695-02

Cited by 11 publications

(19 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This study adopted linear maintenance effects models for 2 in (51 mm) overlay, validated using maintenance data from the U.S. [38]. These linear models have been widely applied for maintenance effects modeling such as in the World Bank Highway Development and Management Model (HDM-4) [39][40][41]. Pavement ME predicted performance was then adjusted by the maintenance effects models, whenever maintenance was triggered.…”

Section: Life Cycle Performancementioning

confidence: 99%

Life Cycle Costs Analysis of Reclaimed Asphalt Pavement (RAP) Under Future Climate

et al. 2019

View full text Add to dashboard Cite

Reclaimed asphalt pavement (RAP) has received wide application in asphalt pavement construction and maintenance and it has shown cost-effectiveness over virgin hot mix asphalt (HMA). HMA with a high content of reclaimed asphalt (RA) (e.g., 40%) is sometimes used in practice, however, it may have significant adverse effects on the life cycle performance and related costs. In particular, challenges may arise as the life cycle performance of RAP is also affected by local climatic conditions. Thus, it is important to investigate whether it is still economic to use RAP under future local climate, with consideration of life cycle performance. A case study was conducted for various road structures on Interstate 95 (I-95) in New Hampshire (NH), USA for the investigation. The case study utilized dynamic modulus testing results for local virgin HMA and HMA with 40% RA (as major material alternatives) to predict life cycle performance of the selected pavement structures, considering downscaled future climates. Then, a life cycle cost analysis (LCCA) was considered to estimate and compare the life cycle cash flow of the investigated road structures. Responsive maintenance (overlay) and effectiveness were also considered in this study. It was found that using 40% RA in HMA can reduce agency costs by up to approximately 18% under the 2020–2040 predicted climate and NH should consider this practice under predicted future climate to reduce agency costs.

show abstract

Section: Life Cycle Performancementioning

confidence: 99%

Life Cycle Costs Analysis of Reclaimed Asphalt Pavement (RAP) Under Future Climate

et al. 2019

View full text Add to dashboard Cite

show abstract

“…Integer programming simplifies the analysis by considering two variables: a do nothing alternative or to do something. Applications are found using both sequential [ 20 , 21 ] and holistic approaches [ 22 , 23 ]. Regarding sequential approach, Ng et al [ 20 ] optimized the treatment strategy at the section level, while Odoki and Kerali [ 21 ] implemented this procedure in HDM-4 PMS to select sections to treat at the network level.…”

Section: Selection and Optimization Of Maintenance Treatmentsmentioning

confidence: 99%

“…Applications are found using both sequential [ 20 , 21 ] and holistic approaches [ 22 , 23 ]. Regarding sequential approach, Ng et al [ 20 ] optimized the treatment strategy at the section level, while Odoki and Kerali [ 21 ] implemented this procedure in HDM-4 PMS to select sections to treat at the network level. However, due to the complexity of the calculation, HDM-4 limits this analysis to networks with less than 100 sections, 16 treatments, and five years [ 21 ].…”

Section: Selection and Optimization Of Maintenance Treatmentsmentioning

confidence: 99%

An Iterative Approach for the Optimization of Pavement Maintenance Management at the Network Level

Torres-Machí

Chamorro

Videla

et al. 2014

The Scientific World Journal

View full text Add to dashboard Cite

Pavement maintenance is one of the major issues of public agencies. Insufficient investment or inefficient maintenance strategies lead to high economic expenses in the long term. Under budgetary restrictions, the optimal allocation of resources becomes a crucial aspect. Two traditional approaches (sequential and holistic) and four classes of optimization methods (selection based on ranking, mathematical optimization, near optimization, and other methods) have been applied to solve this problem. They vary in the number of alternatives considered and how the selection process is performed. Therefore, a previous understanding of the problem is mandatory to identify the most suitable approach and method for a particular network. This study aims to assist highway agencies, researchers, and practitioners on when and how to apply available methods based on a comparative analysis of the current state of the practice. Holistic approach tackles the problem considering the overall network condition, while the sequential approach is easier to implement and understand, but may lead to solutions far from optimal. Scenarios defining the suitability of these approaches are defined. Finally, an iterative approach gathering the advantages of traditional approaches is proposed and applied in a case study. The proposed approach considers the overall network condition in a simpler and more intuitive manner than the holistic approach.

show abstract

“…The HDM-4 roughness deterioration models (Odoki and Kerali 1999) present both progression and grading phases.…”

Section: Roughnessmentioning

confidence: 99%

“…predictive models (Paterson 1987). These models (which include shape loss predictions) were then refined for incorporation into the HDM-4 4 software package (Odoki and Kerali 1999). As discussed earlier, the main input into the development of the HDM-3, which became the HDM-4, deterioration models were the results of the Kenyan and Brazilian studies.…”

Section: Introductionmentioning

confidence: 99%

Unsealed road pavement management: Surface condition deterioration and sustainability modelling

Wijk¹,

Jacobus²

View full text Add to dashboard Cite

show abstract

Modeling Nonmotorized Transport Costs and Benefits in the Highway Development and Management System

Cited by 11 publications

References 1 publication

Life Cycle Costs Analysis of Reclaimed Asphalt Pavement (RAP) Under Future Climate

Life Cycle Costs Analysis of Reclaimed Asphalt Pavement (RAP) Under Future Climate

An Iterative Approach for the Optimization of Pavement Maintenance Management at the Network Level

Unsealed road pavement management: Surface condition deterioration and sustainability modelling

Contact Info

Product

Resources

About