Browse Research and Publications - Illinois Center for Transporation by Title

  • Behavior of Epoxy-Coated Textured Reinforcing Bars 
    Kim, Kun-Ho E.,; Andrawes, Bassem (Illinois Center for Transportation/Illinois Department of Transportation, 2018-04)
    Cracking in bridge decks is a common but difficult problem to control. Both research and experience show that the use of epoxy-coated reinforcement, which is mandated by most state departments of transportation (DOT’s) for ...

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  • Best Management Practices and Incentives to Expedite Utility Relocation 
    El-Rayes, Khaled; Liu, Liang; El-Gohary, Nora; Golparvar-Fard, Mani; Ignacio, Ernest-John (Illinois Center for Transportation/Illinois Department of Transportation, 2017-07)
    The relocation of utilities often causes delays to the completion of highway projects in Illinois and other states. These delays often result in delayed project completion and reopening of closed roads, and increased design ...

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  • Best Practices for Bicycle Trail Pavement Construction and Maintenance in Illinois 
    Simpson, David; Buttlar, William; Dempsey, Barry (2012-06)
    The main objectives of this report were to provide the Illinois Department of Transportation (IDOT) with guidelines for the structural design of bicycle trail pavement and recommendations for bicycle trail pavement ...

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  • Best Practices for Implementation of Tack Coat: Field Study (Part 2) 
    Al-Qadi, Imad L.; Salinas Cortina, Alejandro; Hasiba, Khaled I.; Ozer, Hasan; Leng, Zhen; Mahmoud, Enad; Parish, Derek C.; Worsfold, Stephen J. (2012-07)
    Interface bonding between pavement layers is a key factor affecting the performance of any pavement structure. Over the years, several studies have been performed to better understand bonding between pavement layers. The ...

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  • Best Practices for Implementation of Tack Coat: PART I - Laboratory Study 
    Al-Qadi, Imad L.; Hasiba, Khaled I.; Salinas Cortina, Alejandro; Ozer, Hasan; Leng, Zhen; Parish, Derek C.; Worsfold, Stephen J. (2012-07)
    Tack coat is a light layer of diluted asphalt that is applied to hot mix asphalt concrete (HMA) or Portland cement concrete (PCC) pavement surfaces to ensure good interface bonding between layers. Interface bonding is ...

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  • Bridge Decks: Mitigation of Cracking and Increased Durability 
    Ardeshirilajimi, Ardavan; Wu, Di; Chaunsali, Piyush; Mondal, Paramita; Chen, Ying Tung; Rahman, Mohammad Mahfuzur; Ibrahim, Ahmed; Lindquist, Will; Hindi, Riyadh (Illinois Center for Transportation/Illinois Department of Transportation, 2016-06)
    The application of pre-soaked lightweight aggregates (LWA) as an internal curing agent in concrete to reduce the cracking due to drying shrinkage is thoroughly studied in this report. It is determined that although LWA ...

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  • Bridge Decks: Mitigation of Cracking and Increased Durability 
    Chaunsali, Piyush; Lim, Seungmin; Mondal, Paramita; Foutch, D.A.; Richardson, Douglas; Tung, Ying; Hindi, Riyadh (Illinois Center for Transportation (ICT), 2013-07)
    This report discusses the application of expansive cements (Type K and Type G) and shrinkage-reducing admixtures (SRAs) in reducing the cracking due to drying shrinkage. The Type K expansive cement contained portland ...

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  • Bus Riding on Shoulders 
    Piyushimita Thakuriah; Paul Metaxatos; Abolfazl Mohammadian (2010-08)
    Bus on shoulder (BOS) operations have been ongoing in several locations across the United States and abroad. Public transit buses in the designated highway and arterial shoulders are generally allowed to travel up to 15 ...

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  • Carbon Monoxide Screen for Signalized Intersections COSIM, Version 3.0: Technical Documentation 
    Peters, Scott (Illinois Center for Transportation, 2008-07)
    The Illinois Department of Transportation (IDOT) currently uses the computer screening model Illinois CO Screen for Intersection Modeling (COSIM) to estimate worst-case CO concentrations for proposed roadway projects ...

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  • Carbon Monoxide Screen for Signalized Intersections: COSIM, Version 4.0: Technical Documentation 
    Peters, Scott (2013-06)
    Illinois Carbon Monoxide Screen for Intersection Modeling (COSIM) Version 3.0 is a Windows-based computer program currently used by the Illinois Department of Transportation (IDOT) to estimate worst-case carbon monoxide ...

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  • Case Studies Using Quality Control for Performance and Pay for Performance Specifications: Field Observations 
    Al-Qadi, Imad L.; Rivera-Perez, José J.; Sayeh, Watheq; García Mainieri, Javier J.; Meidani, Hadi; Huang, John; Ozer, Hasan; Hand, Adam (Illinois Center for Transportation/Illinois Department of Transportation, 2020-06)
    Quality assurance programs for hot-mix asphalt (HMA) have evolved from method to quality assurance specifications that distribute responsibilities and risks between contractors and owners. The Illinois Department of ...

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  • Characterization of Illinois Aggregates for Subgrade Replacement and Subbase 
    Tutumluer, Erol; Mishra, Debakanta; Butt, Abbas A. (2009-12)
    Construction of a pavement working platform is often needed on soft, unstable soils to provide sufficient stability and adequate immediate support for equipment mobility and paving operations without developing excessive ...

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  • Characterization Of Low Temperature Creep Properties Of Crack Sealants Using Bending Beam Rehometry 
    Al-Qadi, Imad L.; Yang, Shih-Hsien; Elseifi, Mostafa; Dessouky, Samer; Loulizi, Amara; Masson, Jean-François; McGhee, Kevin K. (2008-11)
    Crack sealing has been widely used as a routine preventative maintenance practice. Given its proper installation, crack sealants can extend pavement service life by three to five years. However, current specifications for ...

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  • Characterization Of Low Temperature Mechanical Properties Of Crack Sealants Utilizing Direct Tension Test 
    Al-Qadi, Imad L.; Yang, Shih-Hsien; Masson, Jean-François; McGhee, Kevin K. (2008-11)
    Crack sealing has been widely used as a routine preventative maintenance practice. Given its proper installation, crack sealants can extend pavement service life by three to five years. However, current specifications ...

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  • Cold In-Place Recycling and Full Depth Recycling with Asphalt Products (CIR&FDRwAP) 
    Thompson, Marshall R.; Garcia, Luis; Carpenter, Samuel H. (Illinois Center for Transportation (ICT), 2009-03)
    In the 60s, 70s, and 80s, many Illinois local road agencies successfully used “conventional” asphalt emulsions for In-Place Recycling to produce Emulsion-Aggregate-Mixtures (EAMs). In more recent years, these emulsions ...

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  • Comparative Life Cycle Assessment between Warm SMA and Conventional SMA 
    Leng, Zhen; Al-Qadi, Imad (2011-09)
    This report presents the comparative life cycle assessment (LCA) between warm stone mastic asphalt (SMA) and conventional SMA. Specifically, the study evaluated and compared the life cycle environmental and economic ...

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  • A Comparison between the Turn On and Turn Off Characteristics of Incandescent and LED Traffic Signal Modules 
    Benekohal, Rahim F.; Girianna, Montty; Chitturi, Madhav V. (2003-12)
    Illinois Department of Transportation (IDOT) has been replacing the incandescent traffic signal modules with LED modules at various intersections. Using LED modules from different manufacturers on the same intersection ...

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  • Comparison of Delays from HCM, Synchro, PASSER II, PASSER IV and CORSIM for an Urban Arterial 
    Benekohal, Rahim F.; El-Zohairy, Yoassry Mohammed; Saak, Joshua E. (2001-08)
    This study compared control delays computed by HCM (using HCS software), Synchro, PASSER II, PASSER IV, and CORSIM for an urban arterial. Base and optimized conditions were studied. In the base condition, the existing ...

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  • Concrete with Steel Furnace Slag and Fractionated Reclaimed Asphalt Pavement 
    Brand, Alexander S.; Roesler, Jeffery R. (2014-09-12)
    Steel furnace slag (SFS) is an industrial by-product material that can contain free calcium oxide (CaO) and free magnesium oxide (MgO), both of which can cause significant expansion when hydrated. SFS aggregates are therefore ...

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  • Conference Proceedings: Midwest Transportation Air Quality Summit 
    Michael Koerber (2010-01)
    The Midwest Transportation Air Quality Summit, held from October 27-29, 2009, provided federal, state, regional, and local transportation and air agency representatives with an opportunity to discuss topics affecting both ...

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