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Author : William G. Outcalt
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.3/5 (555 download)
Download or read book Keyway Curb Construction Report written by William G. Outcalt and published by . This book was released on 1995 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sirous H. Alavi
Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.:/5 (1 download)
Download or read book Development of Site-specific ESAL written by Sirous H. Alavi and published by . This book was released on 2002 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : David B. Woodham
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (1 download)
Download or read book Construction and Monitoring of Post-tensioned Masonry Sound Walls written by David B. Woodham and published by . This book was released on 2002 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this project was to document the installation of a post-tensioned concrete masonry sound wall constructed as part of a widening and sound wall project along US 36 near Denver, Colorado. In addition, the wall was instrumented at the time of construction to monitor the loss in prestress in the steel tendons over time due to concrete masonry creep and shrinkage and steel relaxation. Tendon tension was monitored for one year to obtain values for the accumulated losses. Accurate losses in post-tensioned concrete masonry are important for economical design. Currently, there are limited data to support an accurate prediction of prestress loss in concrete masonry.
Author : Ahmad Ardani
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (1 download)
Download or read book PCCP Texturing Methods written by Ahmad Ardani and published by . This book was released on 2000 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents a 5-year evaluation and construction details of nine test sections with varying textural characteristics. Included in the report is an overview of the methodologies used to texture concrete pavement surfaces and a discussion of frictional attributes of various textures at different speeds and their impact on noise properties. Also included in the report are descriptions of texture-measuring devices and texture-installing equipment, a description of the state-of-the-art equipment used to acquire sound pressure levels, plus a thorough discussion of data acquisition/analysis. Frictional characteristics of the individual test sections were evaluated using the ASTM E 274 skid testing procedure.
Author : William M. Lewis
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (1 download)
Download or read book Preliminary Environmental Evaluation of Caliber M1000 Deicer for Use in Colorado written by William M. Lewis and published by . This book was released on 2000 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yunping Xi
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.3/5 (555 download)
Download or read book Performance Evaluation of Various Corrosion Protection Systems of Bridges in Colorado written by Yunping Xi and published by . This book was released on 2004 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Mohammad Abu-Hassan
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (1 download)
Download or read book Sampling Location Impact on Measured Asphalt Content of Hot Mix Asphalt written by Mohammad Abu-Hassan and published by . This book was released on 2002 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: In May 2000, the Colorado Department of Transportation (CDOT) requested a forensic study of a project located on I-24 north of Denver. The request was made because, within a year of the 1997 overlay, longitudinal cracking appeared in the surface. Transverse cracks were attributed to reflective cracking. However, the longitudinal cracks appeared to be surface initiated. In October 2000, a forensic team reviewed the project and established a sampling and testing plan to take cores from the roadway. Based on data analysis of the cores, the higher than expected in-place air voids, the low effective asphalt, and segregation within the mat, all contributed to the early cracking.
Author :
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.3/5 (555 download)
Download or read book Cost of Sanding written by and published by . This book was released on 2002 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joshua B. Epel
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.3/5 (555 download)
Download or read book Environmental Liability Study written by Joshua B. Epel and published by . This book was released on 2000 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study examines different mechanisms by which the Colorado Department of Transportation (CDOT) can either limit or avoid incurring cleanup costs and liabilities or, if that course is unavailable, recover those costs which must be incurred. The key to this approach is information, obtained as early in the acquisition process as possible. Accurate information about site conditions will allow CDOT to avoid severely contaminated properties, if possible, and to properly value those properties that must be acquired.
Author : Porter K. Wheeler
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.3/5 (555 download)
Download or read book Review of the Public-Private Initiatives Program of the Colorado Department of Transportation written by Porter K. Wheeler and published by . This book was released on 2000 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report assesses the current Public-Private Initiatives (PPI) program from the perspective of all participants and incorporates best practices from other states. Section 2 summarizes innovative finance. The current PPI program and processes are reviewed in section 3. In section 4 the best practices of selected PPI programs in other states and jurisdictions are examined. In section 5 the recommendations for the Colorado Department of Transportation's considerations are presented in the key areas of policy/legal, process, and management.
Author :
Publisher :
ISBN 13 :
Total Pages : 466 pages
Book Rating : 4.3/5 ( download)
Download or read book National Experimental Projects Tabulation written by and published by . This book was released on 1985 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Donna S. Harmelink
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (1 download)
Download or read book Interstate Asphalt Demonstration Project written by Donna S. Harmelink and published by . This book was released on 2000 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Sarosh I. Khan
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.3/5 (555 download)
Download or read book Estimating Link Travel Time on I-70 Corridor written by Sarosh I. Khan and published by . This book was released on 2000 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report represents the findings of a study that demonstrates the feasibility of estimating link travel time and speed in real-time for rural, mountainous sections of interstate freeway in Colorado using vehicles instrumented with global positioning system (GPS) receivers, serving as probes in traffic streams. The system configuration developed includes a cost-effective, portable GPS deployment unit, communication links to a server PC and an integrated prototype system for vehicle tracking and estimating link travel time statistics. This study was carried out in two phases. The objective of the first phase was to identify a cost-effective means of monitoring traffic within a rural, mountainous stretch of the I-70 freeway. An algorithm was developed to estimate average link speed, travel time and the standard error of estimates to provide user information on the reliability of the estimates based on the probe data. The algorithm was tested for different traffic conditions and geometric characteristics of links. In the second phase of the project, a real-time demonstrational prototype was developed to receive, process and estimate link travel time and speed statistics in real-time. The system was tested off-line and on-line based on field data received from the I-70 corridor. In addition, GPS receivers were deployed using a commercial vanpool service and the system was evaluated further.
Author : Timothy Aschenbrener
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (1 download)
Download or read book Cost-benefit Evaluation Committee written by Timothy Aschenbrener and published by . This book was released on 2001 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this evaluation was to document a cost-benefit evaluation of the 3-year warranty specification and projects for hot bituminous pavements (HBP). There were 6 warranty projects evaluated that included 3 projects whose warranty terms had expired. Each warranty project was compared to a comparable non-warranted project.
Author : William M. Lewis
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (1 download)
Download or read book Evaluation and Comparison of Three Chemical Deicers for Use in Colorado written by William M. Lewis and published by . This book was released on 2001 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ken Skorseth
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.3/5 ( download)
Download or read book Gravel Roads written by Ken Skorseth and published by . This book was released on 2000 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.
Author : Pete Graham
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.3/5 (555 download)
Download or read book Evaluation of Design-build Practice in Colorado, Project IR IM(CX)025-3(113) written by Pete Graham and published by . This book was released on 2001 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
