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  • Eco-Friendly Biogrout for Concrete Crack Repair
    by keyword Project pages maintained by PI Search research CTRE is an Iowa State University center administered by the Institute for Transportation Address 2711 S Loop Drive Suite 4700 Ames IA 50010 8664 Phone 515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Eco Friendly Biogrout for Concrete Crack Repair Researcher s Principal investigators Kejin Wang 515 294 2152 kejinw iastate edu Iowa State University Zhiyou Wen Iowa State University Project status In progress Start date 09 01 15 End date 05 31 16 Sponsor s partner s Sponsor s Iowa Department of Transportation Iowa Highway Research Board Midwest Transportation Center USDOT OST R About the research Abstract Typical concrete crack repair uses chemical sealants or surface treatment agents which are often expensive and harmful to environment The goal of the proposed study is to develop an eco friendly cost effective biogrout for concrete crack repair The study will include three main tasks biogrout development concrete crack repair and crack healing evaluation Using industrial waste e g limestone powder and agricultural byproducts e g egg shells and corn cobs a soluble calcium will be produced for biocementation of

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-210802042 (2015-11-09)
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  • Experimental Evaluation of Existing and Retrofit Designs of Bridge Finger Joints
    research CTRE is an Iowa State University center administered by the Institute for Transportation Address 2711 S Loop Drive Suite 4700 Ames IA 50010 8664 Phone 515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Experimental Evaluation of Existing and Retrofit Designs of Bridge Finger Joints Researcher s Principal investigator Sarah Orton University of Missouri Columbia Project status

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-1337603031 (2015-11-09)
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  • Data-Driven Highway Infrastructure Resilience Assessment - Phase II
    Data Driven Highway Infrastructure Resilience Assessment Phase II Researcher s Principal investigator Guiping Hu Iowa State University Co principal investigators Jing Dong 515 294 3957 jingdong iastate edu Lizhi Wang lzwang iastate edu Iowa State University Xuesong Zhou Xuesong Zhou asu edu Arizona State University Project status In progress Start date 08 16 15 End date 08 15 17 Sponsor s partner s Sponsor s Iowa State University Midwest Transportation

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-697559922 (2015-11-09)
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  • Crash Modification Factors for Lane Departure Countermeasures in Kansas
    State University center administered by the Institute for Transportation Address 2711 S Loop Drive Suite 4700 Ames IA 50010 8664 Phone 515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Crash Modification Factors for Lane Departure Countermeasures in Kansas Researcher s Principal investigator Sunanda Dissanayake sunanda ksu edu Kansas State University Co principal investigators Shauna Hallmark 515 294 5249 shallmar iastate edu Iowa State University Project status In progress Start date 08 15 15 End date 08 14 16 Publications Related publication Calibrating Highway Safety Manual for Rural Multilane Highways by Considering Fatal and Injury Crashes in Kansas Aug 2015 Sponsor s partner s Sponsor s Kansas Department of Transportation Midwest Transportation Center USDOT OST R About the research Abstract The majority of fatal crashes in rural areas in the Midwest are lane departure or run off road crashes According to the Kansas Strategic Highway Safety Plan lane departure crashes accounted for 55 percent of all crashes involving fatal and serious injuries and 22 percent of all crashes The majority of those crashes occurred in rural areas With the recent instruction of the Highway Safety Manual use of

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-1179634507 (2015-11-09)
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  • Aggregate Freezing-Thawing Performance using the Iowa Pore Index Method
    keyword Project pages maintained by PI Search research CTRE is an Iowa State University center administered by the Institute for Transportation Address 2711 S Loop Drive Suite 4700 Ames IA 50010 8664 Phone 515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Aggregate Freezing Thawing Performance using the Iowa Pore Index Method Researcher s Principal investigator Fatih Bektas 515 294 5857 fbektas iastate edu Co principal investigators Kejin Wang 515 294 2152 kejinw iastate edu Iowa State University Project status In progress Start date 08 01 15 End date 07 31 16 Sponsor s partner s Sponsor s Iowa State University Midwest Transportation Center USDOT OST R About the research Abstract Non durable aggregate leads to premature pavement deterioration often known as D cracking Repair of such distress may be costly and the agencies often end up with early replacement of the pavement Differentiating the durable and nondurable aggregate is crucial however challenging Frost durability of coarse aggregate has been reported to be related to its pore structure and available test methods to identify pore structure are not cost effective Iowa pore index test has been used by

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-762798240 (2015-11-09)
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  • Economic Sustainability of Inner City Streets: A Collaborative Transportation and Safety Model
    Iowa State University All rights reserved Economic Sustainability of Inner City Streets A Collaborative Transportation and Safety Model Researcher s Principal investigator Fara Zakery Harris Stowe State University Co principal investigator Joyce Eisel Harris Stowe State University Project status In progress Start date 08 01 15 End date 09 30 16 Sponsor s partner s Sponsor s Harris Stowe State University Midwest Transportation Center USDOT OST R About the research Abstract Using the criteria of traffic location and utility that supports the rating system from the first phase of this project selected demographic criteria will be used in Phase II This section includes a 45 block inner city area in St Louis Missouri within the borders of Compton Avenue Martin Luther King Boulevard Jefferson Avenue and Market Street During Phase II the research team along with the identified community groups will expand the streets project by including priorities identified by the Midwest Transportation Center and university meetings These priorities relate first to safety in an urban area which then will apply to social and economic variables within the community Quantitative and qualitative research will be used and variables studied will include observational research methods regarding pedestrian control sidewalks pedestrian control

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=865115392 (2015-11-09)
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  • Improving Traffic Safety through Better Snow Fences: Image-Based Methods to Measure Trapped Snow Volume and the Snow Relocation Coefficient
    FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Improving Traffic Safety through Better Snow Fences Image Based Methods to Measure Trapped Snow Volume and the Snow Relocation Coefficient Researcher s Principal investigator George S Constantinescu george constantinescu uiowa edu University of Iowa Co principal investigators Chris Rehmann rehmann iastate edu Iowa State University Marian Muste marian muste uiowa edu University of Iowa Project status In progress Start date 08 01 15 End date 12 31 16 Sponsor s partner s Sponsor s IIHR Hydroscience and Engineering Midwest Transportation Center USDOT OST R Partner s Department of Civil and Environmental Engineering IIHR Hydroscience and Engineering UofI About the research Abstract Blowing and drifting of snow is a major concern for safety transportation efficiency and road maintenance and repair One common way to mitigate snow drift on roadways is to install structural or living snow fences but the design of snow fences relies on empirical relations in particular for estimating the snow relocation coefficient SRC that do not necessarily apply to the US Midwest The goal of this project is to develop an image based method to evaluate the transport processes in

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-270364727 (2015-11-09)
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  • Intermodal Gantry Crane Pavement and Foundation Design Improvement
    pages maintained by PI Search research CTRE is an Iowa State University center administered by the Institute for Transportation Address 2711 S Loop Drive Suite 4700 Ames IA 50010 8664 Phone 515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Intermodal Gantry Crane Pavement and Foundation Design Improvement Researcher s Principal investigators Vern Schaefer 515 294 9540 vern iastate edu Chris Williams 515 294 4419 rwilliam iastate edu Iowa State University Jeramy Ashlock 515 294 6176 jashlock iastate edu Project status In progress Start date 08 01 15 End date 01 31 17 Sponsor s partner s Sponsor s Midwest Transportation Center Union Pacific Railroad USDOT OST R About the research Abstract Gantry crane pavements and foundations represent a significant asset within intermodal facilities Subjected to high variation in loading and critical to safe operations traffic interruptions and costs associated with maintaining and rehabilitating distressed or failed pavements in these areas is of particular importance The purpose of this study is to improve the performance and increase the lifespan of gantry crane pavements and foundations by assessing the interactions between pavements subgrades operational loading conditions and performance of

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-1560427805 (2015-11-09)
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