Evaluation of thin-lift overlay pavement preservation practice: Mixture testing, pavement performance, and lifecycle cost analysis

Soohyok Im, Taesun You, Yong Rak Kim, Gabriel Nsengiyumva, Robert Rea, Hamzeh Haghshenas

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This study examines the practice of using thin-lift overlays (25-mm-thick asphalt) that was implemented recently for Nebraska's highways by comparing it with the state's traditional 50-mm-thick rehabilitation practice. The two overlay mixtures were acquired from actual paving projects on I-80 to conduct various laboratory tests, including the dynamic modulus test, dynamic creep test, semicircular bending fracture test, and Hamburg wheel tracking test. Based on the material's characteristics obtained from the laboratory tests, structural performance analysis is conducted to compare the pavement performance with the two different overlay mixtures. In addition, a lifecycle cost analysis (LCCA) is performed to compare the economic benefits associated with the thin-lift overlay with those of the conventional overlay practice. Laboratory results show that the fine-graded thin-lift overlay mixture behaves similarly to the coarser-graded conventional overlay mixture in terms of mixture stiffness, rutting potential, and cracking resistance. The one exception is its resistance to damage caused by moisture. The simulation predicts that both pavements will perform satisfactorily during their expected design life, but the LCCA indicates that the practice of using the thin-layer preservation technique can reduce both the agency's and users' costs compared with the conventional 50-mm-thick rehabilitation practice. Good field performance from both overlay pavements is observed after 15 and 27 months open to traffic.

Original languageEnglish (US)
Article number04018037
JournalJournal of Transportation Engineering Part B: Pavements
Volume144
Issue number3
DOIs
StatePublished - Sep 1 2018

Fingerprint

Pavement overlays
Pavements
Testing
costs
evaluation
performance
Costs
Patient rehabilitation
rehabilitation
Bending tests
Asphalt
Hamburg
Wheels
Creep
Moisture
Stiffness
damages
Economics
traffic
simulation

Keywords

  • Field performance
  • Laboratory tests
  • Lifecycle cost analysis (LCCA)
  • Mechanistic-Empirical Pavement Design Guide (MEPDG)
  • Pavement preservation
  • Thin asphalt overlay

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Transportation

Cite this

Evaluation of thin-lift overlay pavement preservation practice : Mixture testing, pavement performance, and lifecycle cost analysis. / Im, Soohyok; You, Taesun; Kim, Yong Rak; Nsengiyumva, Gabriel; Rea, Robert; Haghshenas, Hamzeh.

In: Journal of Transportation Engineering Part B: Pavements, Vol. 144, No. 3, 04018037, 01.09.2018.

Research output: Contribution to journalArticle

@article{bafc4c2c510c41c8b4b252e881521593,
title = "Evaluation of thin-lift overlay pavement preservation practice: Mixture testing, pavement performance, and lifecycle cost analysis",
abstract = "This study examines the practice of using thin-lift overlays (25-mm-thick asphalt) that was implemented recently for Nebraska's highways by comparing it with the state's traditional 50-mm-thick rehabilitation practice. The two overlay mixtures were acquired from actual paving projects on I-80 to conduct various laboratory tests, including the dynamic modulus test, dynamic creep test, semicircular bending fracture test, and Hamburg wheel tracking test. Based on the material's characteristics obtained from the laboratory tests, structural performance analysis is conducted to compare the pavement performance with the two different overlay mixtures. In addition, a lifecycle cost analysis (LCCA) is performed to compare the economic benefits associated with the thin-lift overlay with those of the conventional overlay practice. Laboratory results show that the fine-graded thin-lift overlay mixture behaves similarly to the coarser-graded conventional overlay mixture in terms of mixture stiffness, rutting potential, and cracking resistance. The one exception is its resistance to damage caused by moisture. The simulation predicts that both pavements will perform satisfactorily during their expected design life, but the LCCA indicates that the practice of using the thin-layer preservation technique can reduce both the agency's and users' costs compared with the conventional 50-mm-thick rehabilitation practice. Good field performance from both overlay pavements is observed after 15 and 27 months open to traffic.",
keywords = "Field performance, Laboratory tests, Lifecycle cost analysis (LCCA), Mechanistic-Empirical Pavement Design Guide (MEPDG), Pavement preservation, Thin asphalt overlay",
author = "Soohyok Im and Taesun You and Kim, {Yong Rak} and Gabriel Nsengiyumva and Robert Rea and Hamzeh Haghshenas",
year = "2018",
month = "9",
day = "1",
doi = "10.1061/JPEODX.0000064",
language = "English (US)",
volume = "144",
journal = "Journal of Transportation Engineering Part B: Pavements",
issn = "2573-5438",
publisher = "American Society of Civil Engineers (ASCE)",
number = "3",

}

TY - JOUR

T1 - Evaluation of thin-lift overlay pavement preservation practice

T2 - Mixture testing, pavement performance, and lifecycle cost analysis

AU - Im, Soohyok

AU - You, Taesun

AU - Kim, Yong Rak

AU - Nsengiyumva, Gabriel

AU - Rea, Robert

AU - Haghshenas, Hamzeh

PY - 2018/9/1

Y1 - 2018/9/1

N2 - This study examines the practice of using thin-lift overlays (25-mm-thick asphalt) that was implemented recently for Nebraska's highways by comparing it with the state's traditional 50-mm-thick rehabilitation practice. The two overlay mixtures were acquired from actual paving projects on I-80 to conduct various laboratory tests, including the dynamic modulus test, dynamic creep test, semicircular bending fracture test, and Hamburg wheel tracking test. Based on the material's characteristics obtained from the laboratory tests, structural performance analysis is conducted to compare the pavement performance with the two different overlay mixtures. In addition, a lifecycle cost analysis (LCCA) is performed to compare the economic benefits associated with the thin-lift overlay with those of the conventional overlay practice. Laboratory results show that the fine-graded thin-lift overlay mixture behaves similarly to the coarser-graded conventional overlay mixture in terms of mixture stiffness, rutting potential, and cracking resistance. The one exception is its resistance to damage caused by moisture. The simulation predicts that both pavements will perform satisfactorily during their expected design life, but the LCCA indicates that the practice of using the thin-layer preservation technique can reduce both the agency's and users' costs compared with the conventional 50-mm-thick rehabilitation practice. Good field performance from both overlay pavements is observed after 15 and 27 months open to traffic.

AB - This study examines the practice of using thin-lift overlays (25-mm-thick asphalt) that was implemented recently for Nebraska's highways by comparing it with the state's traditional 50-mm-thick rehabilitation practice. The two overlay mixtures were acquired from actual paving projects on I-80 to conduct various laboratory tests, including the dynamic modulus test, dynamic creep test, semicircular bending fracture test, and Hamburg wheel tracking test. Based on the material's characteristics obtained from the laboratory tests, structural performance analysis is conducted to compare the pavement performance with the two different overlay mixtures. In addition, a lifecycle cost analysis (LCCA) is performed to compare the economic benefits associated with the thin-lift overlay with those of the conventional overlay practice. Laboratory results show that the fine-graded thin-lift overlay mixture behaves similarly to the coarser-graded conventional overlay mixture in terms of mixture stiffness, rutting potential, and cracking resistance. The one exception is its resistance to damage caused by moisture. The simulation predicts that both pavements will perform satisfactorily during their expected design life, but the LCCA indicates that the practice of using the thin-layer preservation technique can reduce both the agency's and users' costs compared with the conventional 50-mm-thick rehabilitation practice. Good field performance from both overlay pavements is observed after 15 and 27 months open to traffic.

KW - Field performance

KW - Laboratory tests

KW - Lifecycle cost analysis (LCCA)

KW - Mechanistic-Empirical Pavement Design Guide (MEPDG)

KW - Pavement preservation

KW - Thin asphalt overlay

UR - http://www.scopus.com/inward/record.url?scp=85049829794&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85049829794&partnerID=8YFLogxK

U2 - 10.1061/JPEODX.0000064

DO - 10.1061/JPEODX.0000064

M3 - Article

AN - SCOPUS:85049829794

VL - 144

JO - Journal of Transportation Engineering Part B: Pavements

JF - Journal of Transportation Engineering Part B: Pavements

SN - 2573-5438

IS - 3

M1 - 04018037

ER -