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  • Develop an Expanded, Improved, and Upgraded Version of Probabilistic Optimization for Profit Software
    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 Develop an Expanded Improved and Upgraded Version of Probabilistic Optimization for Profit Software Researcher s Principal investigators

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=265460297 (2015-11-09)
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  • Winter Weather Severity Index Enhancements
    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 Winter Weather Severity Index Enhancements Researcher s Principal investigator Tom Maze Co principal investigator Chris Albrecht Project status Completed Start date End date 02 01 08 Publications Tech transfer summary Effects of Weather on Winter Maintenance Performance 455 kb pdf Feb 2008 Sponsor

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=1216911351 (2015-11-09)
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  • Food Product Demand Mapping
    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 Food Product Demand Mapping Similar related projects Iowa Produce Market Potential Calculator Researcher s Principal investigators David Plazak Co principal investigator Randy Boeckenstedt Project status Completed Start date 01 16 07 End date 01 31 08 Sponsor

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=1178114215 (2015-11-09)
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  • Minnesota Interstate Truck Parking Study
    50010 8664 Phone 515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Minnesota Interstate Truck Parking Study Researcher s Principal investigator Tom Maze Project status Completed Start date End date 01 30 08 Publications Report Minnesota Interstate Truck Parking Study 1 mb pdf January 2008 Sponsor s partner s Sponsor s Minnesota Department of Transportation About the research

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=1218222235 (2015-11-09)
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  • Asset Management Strategies to Mitigate Freeway Work Zone Congestion
    All rights reserved Asset Management Strategies to Mitigate Freeway Work Zone Congestion Researcher s Principal investigator Tom Maze Student researcher Jonathan Wiegand Project status Completed Start date 07 01 05 End date 12 31 07 Publications Report Lane Closure Policy Development Enforcement and Exceptions A Survey of Seven State Transportation Agencies 987 kb pdf June 2007 Tech transfer summary Developing and Enforcing Lane Closure Policies 101 kb pdf Jun 2007 Sponsor s partner s Sponsor s Midwest Transportation Consortium Smart Work Zone Deployment Initiative About the research Abstract Traffic volume increases and an aging infrastructure create the need for reconstruction rehabilitation and maintenance of existing facilities As more motorists feel that delays should be minimal during highway renewal projects lane closures that reduce capacity through the work zone should not create unreasonable delays In order to facilitate the determination of when a lane closure is permitted during the day some state transportation agencies STAs have developed lane closure policies or strategies that they use as guidance in determining daily permitted lane closure times Permitted lane closure times define what times of the day week or season a lane closure is allowed on a facility and at a specific location or

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=1175091569 (2015-11-09)
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  • Develop Onboard Machine Technology for Real-Time Determination of Soil Water Content
    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 Develop Onboard Machine Technology for Real Time Determination of Soil Water Content Field testing of microwave senosr to detrmine moisture content Researcher s Principal investigators Max Morris mmorris iastate edu Department of Statistics David White 515 294 1463 djwhite iastate edu Co principal investigators Tom Cackler Student researcher Ujwala Manchikanti Project status Completed Start date 01 01 07 End date 12 31 07 Sponsor s partner s Sponsor s Caterpillar About the research Abstract The lack of control over the uniformity of moisture content is a leading cause of problems experienced by industry in effective compaction control of earth fill materials Current measurement techniques for determination of moisture content generally involve spot tests that can be time consuming unreliable and do not provide adequate coverage Recent advances in non destructive evaluation technologies especially near infrared reflectance spectroscopy NIRS and data analysis techniques e g multivariate analysis and Bayesian statistics show significant promise in obtaining necessary information that

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=1210497898 (2015-11-09)
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  • Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers, Phase 4
    2009 Iowa State University All rights reserved Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers Phase 4 Similar related projects Developing an Effective Construction Training Program for American Supervisors and Hispanic Craft Workers Phase 2 Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers Phase 1 Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers Phase 3 Researcher s Principal investigators Ed Jaselskis 515 294 0250 ejaselsk iastate edu Co principal investigators Tom Cackler Tom Stout Project status Completed Start date 06 01 06 End date 12 31 07 Publications Report Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers Phase 4 290 kb pdf December 2007 Tech transfer summary Effective Construction Training Program for Hispanic and American Supervisors and Craft Workers 158 kb pdf Jul 2007 Sponsor s partner s Sponsor s Iowa Department of Transportation About the research Abstract Hispanics are a large and growing part of the United States workforce Projections of the U S Census Bureau 2001 state that by the year 2050 Hispanics will account for 25 of the population For the Midwest in particular the Hispanic population is expected to increase 35 by the year 2025 The construction industry is expected to experience a greater percentage increase of its Hispanic population due to the labor intensive nature of the industry This study addresses the expected increase of Hispanic workers in the construction industry by testing the best approaches for delivering training to construction crews with Hispanic workers as well as American supervisors and laborers in the state of Iowa The research methodology consisted of assessing the effects on communication safety work environment and productivity as a result of the integration training Results show that integration on site training decreases workers desire

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=841690555 (2015-11-09)
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  • Development of Performance Properties of Ternary Mixes, Phase 1
    iastate edu Iowa State University Vern Schaefer 515 294 9540 vern iastate edu Project status Completed Start date 12 01 05 End date 12 31 07 Publications Report Development of Performance Properties of Ternary Mixtures Phase I Final Report 4 mb pdf December 2007 Sponsor s partner s Sponsor s Federal Highway Administration About the research Abstract This report summarizes the findings of Phase I of the research project The project is a comprehensive study of how supplementary cementitious materials SCMs can be used to improve the performance of concrete mixtures The initial stages of this project consider several sources of each type of supplementary cementitious material fly ash slag and silica fume so that the material variability issues can also be addressed Several different sources of portland cement PC and blended cement are also used in the experimental program The experimental matrix includes 110 115 different mixtures hence the project is being conducted in three different phases This report contains a brief literature study to summarize the state of the practice in ternary mixtures The literature study includes the efforts by state departments of transportation DOTs that have utilized ternary mixtures in field work for example Ohio DOT New

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-133744783 (2015-11-09)
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