Asset Valuation Model for Highway Rigid Pavements Applicable in Public–Private Partnerships Projects †
Abstract
:1. Introduction
2. Development of the Valuation Model for Rigid Pavements
2.1. Technical Indicators of the Proposed Model
2.2. Equations and Required Data to Apply the Proposed Model
2.3. Additional Comments about the Proposed Model
3. Case Study
3.1. Route Description, Available Data and Data Processing
3.2. Results Obtained in 2007 and 2020 for Lanes 3 and 4 Using the Proposed Model
4. Discussion
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Characteristic | Technical Indicator | Unit |
---|---|---|
Roughness | Mean Roughness Index (MRI) | m/km |
Friction | Sideway Force Coefficient (SFC) | - |
Rolling noise | Overall A-weighted Sound Intensity Level (OASI) | dBA |
Load transfer | Load transfer efficiency percentage (LT) | % |
Cracking | Percentage of cracked slabs (CRK) | % |
Potholes | Percentage of potholes (PP) | % |
Technical Indicator | Frequency of Testing | Measurement Equipment | Normative(s) to Follow |
---|---|---|---|
MRI | Annual | Inertial profilometer (class 1) | ASTM E950 |
SFC | Annual | SCRIM, grip tester or runway friction tester | MC 8.502.17 [27]; MC 8.502.18 [27]; ASTM E2340M |
OASI | Annual | OBSI measurement system | AASHTO T360 |
LT | Once every 3 years | Falling weight deflectometer (FWD) | MC 8.502.5 [27] |
CRK | Annual | Crack measurement equipment C2221 | AASHTO PP 68 ASTM E-1656 MC 8 Appendix [27] |
PP | Annual | T1111 profilometer + Visual inspection |
Equation (Number) | Description of Variables and Parameters |
---|---|
(2) | : Lane width and section length, respectively. : Subgrade preparation unitary cost. : Number of pavement layers in the section (subbase and/or base, and concrete slabs). : Layer “i” unitary cost and thickness, respectively. |
(3) | : Rehabilitation cost associated with potholes and performance indicators, respectively. |
: Reconstruction unitary cost (existing pavement removal or recycling cost, plus the construction cost). | |
(5) | : Rehabilitation cost associated with cracking, load transfer, roughness, friction and rolling noise, respectively. |
(6) | : Concrete slab replacement unitary cost. : Percentage of cracked slabs. |
(7) | : Number of slabs and cracked slabs, respectively. : Dowel bar retrofit unitary cost (it is multiplied by 6 since 3 bars are installed per wheel path at each joint). : Loss percentage associated with load transfer. |
(8) | : Diamond grinding unitary cost. Loss percentage associated with roughness. |
(9) | Loss percentage associated with friction. |
(10) | Loss percentage associated with rolling noise. |
Performance Level | MRI [m/km] (50 m) (1 km) | SFC [-] | OASI [dBA] | CRK [%] | LT [%] | |
---|---|---|---|---|---|---|
Very Good | [0.0, 1.5) | [0.0, 1) | (0.65, 1.00] | ≤100.0 | [0, 5) | ≥70 |
Good | [1.5, 2.5) | [1.0, 2.0) | (0.55, 0.65] | (100, 102] | [5, 10) | [60, 70) |
Fair | [2.5, 3.5) | [2.0, 3.0) | (0.40, 0.55] | (102, 104] | [10, 15) | [50, 60) |
Poor | [3.5, 5.0) | [3.0, 4.5) | (0.20, 0.40] | (104, 106] | [15, 20) | [40, 50) |
Very Poor | ≥5.0 | ≥4.5 | [0, 0.20] | >106 | ≥20 | <40 |
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Arce, L.; Delgadillo, R.; Osorio-Lird, A.; Araya, F.; Wahr, C. Asset Valuation Model for Highway Rigid Pavements Applicable in Public–Private Partnerships Projects. Infrastructures 2023, 8, 118. https://doi.org/10.3390/infrastructures8080118
Arce L, Delgadillo R, Osorio-Lird A, Araya F, Wahr C. Asset Valuation Model for Highway Rigid Pavements Applicable in Public–Private Partnerships Projects. Infrastructures. 2023; 8(8):118. https://doi.org/10.3390/infrastructures8080118
Chicago/Turabian StyleArce, Luis, Rodrigo Delgadillo, Alelí Osorio-Lird, Felipe Araya, and Carlos Wahr. 2023. "Asset Valuation Model for Highway Rigid Pavements Applicable in Public–Private Partnerships Projects" Infrastructures 8, no. 8: 118. https://doi.org/10.3390/infrastructures8080118
APA StyleArce, L., Delgadillo, R., Osorio-Lird, A., Araya, F., & Wahr, C. (2023). Asset Valuation Model for Highway Rigid Pavements Applicable in Public–Private Partnerships Projects. Infrastructures, 8(8), 118. https://doi.org/10.3390/infrastructures8080118