Long Term Performance Of Accelerated Rigid Pavements Project Cxmp 13 0006 07
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Long Term Performance Of Accelerated Rigid Pavements Project Cxmp 13 0006 07
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Author : Ardani Ahmad
language : en
Publisher:
Release Date : 1996
Long Term Performance Of Accelerated Rigid Pavements Project Cxmp 13 0006 07 written by Ardani Ahmad and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Pavements categories.
This report describes the post-construction evaluation of the fast track pavement in Sterling, Colorado. The field evaluation consisted of visual inspection, fault measurement, profile measurement and distress survey. A set of falling weight deflectometer (FWD) measurements was also acquired to assess the structural responses and to evaluate load transfer efficiency between the slabs. The results of this study demonstrated that fast track concrete can be as durable as the conventional concrete pavement. After seven years of being in service the pavement has shown no sign of fatigue, only some minor distresses unrelated to fast track techniques.
Long Range Cost Estimation Research Project
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Author :
language : en
Publisher:
Release Date : 2000
Long Range Cost Estimation Research Project written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Highway engineering categories.
The purpose of this project was to research long-range (parametric) cost estimation at the Colorado Department of Transportation (CDOT), utilizing AASHTO's Trns.port Cost Estimation and Decision Support software. Info Tech, Inc., analysis reviewed CDOT's current long-range estimation practices and identified revisions which would be needed to satisfactorily meet CDOT's future cost estimating requirements, i.e., in order to develop consistent and reliable cost estimates when little is known about a project. Both item and contract classifications utilized by CDOT in BAMS/DSS were revised to reflect more logical functional groupings. The new contract work type and item classification were used directly to develop an Interim Solution for Long-Range Cost Estimation that uses historical bid-based default prices. Info Tech analysts also researched Internet sources to identify the availability of major item cost data at the regional and national level, including data for multimodal project types.
Performance Evaluation Of Various Corrosion Protection Systems Of Bridges In Colorado
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Author : Yunping Xi
language : en
Publisher:
Release Date : 2004
Performance Evaluation Of Various Corrosion Protection Systems Of Bridges In Colorado written by Yunping Xi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Concrete bridges categories.
Corrosion of reinforced concrete structures has been a significant problem for many state and transportation agencies since the application of deicing salts was introduced. Much research has been conducted to develop corrosion protection systems that can prolong the life span of reinforced concrete structures. The Colorado Department of Transportation (CDOT) has several routine and experimental measures to prevent corrosion of the rebar including epoxy-coated rebar, calcium nitrite admixture, organic corrosion inhibitors, a thick cover of quality concrete, and a waterproofing membrane covered by an asphalt overlay. An extensive literature review was performed to collect information on various corrosion protection systems that have been used in the U.S. and around the world. Current CDOT practices in terms of corrosion protection measures were reviewed. A draft inspection plan for Colorado's bridge structures was proposed.
Improving Colorado Transportation Through Investigation And Innovation
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Author : Beth Moore
language : en
Publisher:
Release Date : 1999
Improving Colorado Transportation Through Investigation And Innovation written by Beth Moore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Transportation categories.
Summary of current research studies.
Hot Bituminous Pavement Qc Qa Projects Constructed In 1997 Under Qpm 2 Specifications
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Author : Bud A. Brakey
language : en
Publisher:
Release Date : 1998
Hot Bituminous Pavement Qc Qa Projects Constructed In 1997 Under Qpm 2 Specifications written by Bud A. Brakey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Pavements, Bituminous categories.
Cracking In Bridge Decks
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Author : Pui-shum B. Shing
language : en
Publisher:
Release Date : 1999
Cracking In Bridge Decks written by Pui-shum B. Shing and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Concrete categories.
This report summarizes the findings of a study whose primary objectives are to determine the cause of extensive transverse cracking that has been observed in some existing bridge decks, and to identify the change of material specifications and construction practice that is necessary to reduce the severity of deck cracking. To achieve these goals, recent studies on the cause of bridge deck cracking were reviewed, an experimental study was conducted to compare the shrinkage properties of different concrete mixes, and the current material and design specifications and construction practice adopted by the Colorado Department of Transportation (CDOT) were reviewed to identify areas that need improvement. A survey was conducted on seven newly constructed bridges to examine the extent of cracking in concrete decks that were constructed with the different mix designs and curing procedure that were currently used by CDOT.
Development Of Site Specific Esal
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Author : Sirous H. Alavi
language : en
Publisher:
Release Date : 2002
Development Of Site Specific Esal written by Sirous H. Alavi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Pavements categories.
This study was approved by the CDOT's Research Implementation Committee as a high priority research with the goal of improving the accuracy of the existing and forecasted traffic loads of CDOT's highway network. The overall scope of this project involved examination of those resources directly related to the current statewide ESAL classification system and the generation of this final report discussing the research and analysis conducted and recommendation of procedures required for CDOT to develop and implement a more site-specific ESAL classification system. In this study Nichols Consulting Engineers (NCE) analyzed all available CDOT permanent and portable weigh-in-motion (WIM) data.
Interstate Asphalt Demonstration Project
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Author : Donna S. Harmelink
language : en
Publisher:
Release Date : 2000
Interstate Asphalt Demonstration Project written by Donna S. Harmelink and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Pavements, Asphalt categories.
This report documents the design and construction of the first rubblization project initiated by the Colorado Department of Transportation. The project was selected to demonstrate the resonant and multi-head breaker methods of rubblization of concrete pavement. Work consisted of rubblizing existing concrete pavement. This study will focus on the cost effectiveness of rubblization on jointed plain concrete pavement with alkali-silica reactivity.
Accessions Checklist Colorado State Publications
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Author :
language : en
Publisher:
Release Date : 1998
Accessions Checklist Colorado State Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Colorado categories.
Preliminary Environmental Evaluation Of Caliber M1000 Deicer For Use In Colorado
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Author : William M. Lewis
language : en
Publisher:
Release Date : 2000
Preliminary Environmental Evaluation Of Caliber M1000 Deicer For Use In Colorado written by William M. Lewis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Deicing chemicals categories.