Evaluation and Comparison of Three Chemical Deicers for Use in Colorado PDF Download
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Author: William M. Lewis
Publisher:
ISBN:
Category : Deicing chemicals
Languages : en
Pages : 86
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Book Description
Author: William M. Lewis
Publisher:
ISBN:
Category : Deicing chemicals
Languages : en
Pages : 86
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Book Description
Author: Xianming Shi
Publisher: John Wiley & Sons
ISBN: 1119185068
Category : Technology & Engineering
Languages : en
Pages : 476
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Book Description
The first and only comprehensive guide to best practices in winter road operations Winter maintenance operations are essential to ensure the safety, mobility, and productivity of transportation systems, especially in cold-weather climates, and responsible agencies are continually challenged to provide a high level of service in a fiscally and environmentally responsible manner. Sustainable Winter Road Operations bridges the knowledge gaps, providing the first up-to-date, authoritative, single-source overview and guide to best practices in winter road operations that considers the triple bottom line of sustainability. With contributions from experts in the field from around the world, this book takes a holistic approach to the subject. The authors address the many negative impacts on regional economies and the environment of poorly planned and inadequate winter road operations, and they make a strong case for the myriad benefits of environmentally sustainable concepts and practices. Best practice applications of materials, processes, equipment, and associated technologies and how they can improve the effectiveness and efficiency of winter operations, optimize materials usage, and minimize cost, corrosion, and environmental impacts are all covered in depth. Provides the first up-to-date, authoritative and comprehensive overview of best practices in sustainable winter road operations currently in use around the world Covers materials, processes, equipment, and associated technologies for sustainable winter road operations Brings together contributions by an international all-star team of experts with extensive experience in designing, implementing, and managing sustainable winter road operations Designed to bring professionals involved in transportation and highway maintenance and control up to speed with current best practice Sustainable Winter Road Operations is essential reading for maintenance professionals dealing with snow and ice control operations on highways, motorways and local roads. It is a valuable source of information and guidance for decision makers, researchers, and engineers in transportation engineering involved in transportation and highway maintenance. And it is an ideal textbook for advanced-level courses in transportation engineering.
Author: Yunping Xi
Publisher:
ISBN:
Category : Concrete bridges
Languages : en
Pages : 166
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Book Description
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: William M. Lewis
Publisher:
ISBN:
Category : Deicing chemicals
Languages : en
Pages : 72
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Book Description
Author: Sirous H. Alavi
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 204
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Book Description
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: Timothy Aschenbrener
Publisher:
ISBN:
Category : Pavements, Asphalt
Languages : en
Pages : 130
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Book Description
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: Yunping Xi
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages : 110
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Book Description
The project consisted of two phases. In the Phase I study, the relative corrosiveness of the two salts [magnesium chloride (MgCl2) and sodium chloride (NaCl)] were examined by SAE J2334 test and ASTM B117 test. In the Phase II study, SAE J2334 test and NACE TM-01-69 test (as modified by the Pacific North States) were applied. Representative metals examined in the project included stainless steel 410 and 304L, aluminum 2024 and 5086, coated automobile body sheets, copper wires, and mild steels.
Author: David B. Woodham
Publisher:
ISBN:
Category : Noise barriers
Languages : en
Pages : 52
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Book Description
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:
Publisher:
ISBN:
Category : Deicing chemicals
Languages : en
Pages : 206
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Book Description
Author: Sarosh Khan
Publisher:
ISBN:
Category : Global Positioning System
Languages : en
Pages : 148
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Book Description
