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Author : Kenneth H. McGhee,National Cooperative Highway Research Program
Publisher : Transportation Research Board
Page : 94 pages
File Size : 55,6 Mb
Release : 2004
Category : Automatic data collection systems
ISBN : 9780309070126
At head of title: National Cooperative Highway Research Program.
Author : Majed Alinizzi,Julie Yu Qiao,Amr Kandil,Hubo Cai,Samuel Labi
Publisher : Unknown
Page : 128 pages
File Size : 54,7 Mb
Release : 2017-12-15
Category : Electronic
ISBN : 1622604776
This study was in two parts. The first part established and demonstrated a framework for pavement data integration. This is critical for fulfilling QC/QA needs of INDOT¿s pavement management system, because the precision of the physical location references is a prerequisite for the reliable collection and interpretation of pavement data. Such consistency is often jeopardized because the data are collected at different years, and are affected by changes in the vendor, inventory, or referencing system or reference points. This study therefore developed a ¿lining-up¿ methodology to address this issue. The applicability of the developed methodology was demonstrated using 2012-2014 data from Indiana¿s highway network. The results showed that the errors in the unlined up data are significant as they mischaracterize the true pavement condition. This could lead to the reporting of unreliable information of road network condition to the decision makers, ultimately leading to inappropriate condition assessments and prescriptions. Benefits of the methodology reverberate throughout the management functions and processes associated with highway pavements in Indiana, including pavement performance modeling, optimal timing of maintenance, rehabilitation, and reconstruction (MRR), and assessment of the effectiveness of MRR treatments and schedules.The second part of the study developed correlations for the different types of pavement distresses using machine learning algorithms. That way, the severity of any one type of distress can be estimated based on known severity of other distresses at that location. The 2012-2014 data were from I-70, US-41, and US-52, and the distress types considered are cracking, rutting, faulting, and roughness. Models were developed to relate surface roughness (IRI) to pavement cracks, and between the different crack types, with resulting degrees of confidence that varied across the different crack types and road functional classes. In addition, for each functional class and for each crack type, models were built to relate crack depth to crack width. The concept can be applied to other distress types, such as spalling, bleeding, raveling, depression, shoving, stripping, potholes, and joint distresses, when appropriate data are available.
Author : Ghim Ping Ong,Samy Noureldin,Kumares C. Sinha
Publisher : Purdue University Press
Page : 160 pages
File Size : 52,8 Mb
Release : 2009-06-01
Category : Transportation
ISBN : 1622600738
In recent years, state highway agencies have come to understand the need for high quality pavement condition data at both the project and network levels. At the same time, agencies also realize that they have become too dependent on contractors to ensure the quality of the delivered data without any means to independently assure the quality of these data. This research study therefore aims to investigate the inherent variability of the automated data collection processes and proposes guidelines for an automated data collection quality management program in Indiana. In particular, pavement roughness data (in terms of IRI) and pavement surface distress data (in terms of PCR and individual pavement surface distress ratings) are considered in this study. Quality control protocols adopted by the contractor are reviewed and compared against industry standards. A complete quality control plan is recommended to be adopted for all phases of the data collection cycle: preproject phase, data collection phase, and post-processing phase. Quality assurance of pavement condition data can be viewed in terms of (i) completeness of the delivered data for pavement management; (ii) accuracy, precision and reliability of pavement roughness data; and (iii) accuracy, precision and reliability of individual distress ratings and an aggregate pavement condition rating. An innovative two-stage approach is developed in this study to evaluate delivered data for integrity and completeness. Different techniques and performance measures that can be used to evaluate pavement roughness and pavement surface distress data quality are investigated. Causes for loss in IRI and PCR accuracy and precision are identified and statistical models are developed to relate project- and network-level IRIs and PCRs. Quality assurance procedures are then developed to allow highway agencies improve their pavement condition data collection practices and enhance applications in the pavement management systems.
Author : Linda M. Pierce,Nicholas D. Weitzel
Publisher : Unknown
Page : 124 pages
File Size : 49,5 Mb
Release : 2019
Category : Pavements
ISBN : 0309480485
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 531 documents agency practices, challenges, and successes in conducting automated pavement condition surveys. The report also includes three case examples that provide additional information on agency practices for conducting automated pavement surveys. Pavement condition data is a critical component for pavement management systems in state departments of transportation (DOTs). The data is used to establish budget needs, support asset management, select projects for maintenance and preservation, and more. Data collection technology has advanced rapidly over the last decade and many DOTs now use automated data collection systems.
Author : Ralph Haas,W. Ronald Hudson
Publisher : John Wiley & Sons
Page : 432 pages
File Size : 50,6 Mb
Release : 2015-04-27
Category : Technology & Engineering
ISBN : 9781119038825
Comprehensive and practical, Pavement Asset Management provides an essential resource for educators, students and those in public agencies and consultancies who are directly responsible for managing road and airport pavements. The book is comprehensive in the integration of activities that go into having safe and cost-effective pavements using the best technologies and management processes available. This is accomplished in seven major parts, and 42 component chapters, ranging from the evolution of pavement management to date requirements to determining needs and priority programming of rehabilitation and maintenance, followed by structural design and economic analysis, implementation of pavement management systems, basic features of working systems and finally by a part on looking ahead. The most current methodologies and practical applications of managing pavements are described in this one-of-a-kind book. Real world up-to-date examples are provided, as well as an extensive list of references for each part.
Author : Andreas Loizos,Imad Al-Qadi,Tom Scarpas
Publisher : CRC Press
Page : 4383 pages
File Size : 46,7 Mb
Release : 2017-07-20
Category : Technology & Engineering
ISBN : 9781351585781
Bearing Capacity of Roads, Railways and Airfields includes the contributions to the 10th International Conference on the Bearing Capacity of Roads, Railways and Airfields (BCRRA 2017, 28-30 June 2017, Athens, Greece). The papers cover aspects related to materials, laboratory testing, design, construction, maintenance and management systems of transport infrastructure, and focus on roads, railways and airfields. Additional aspects that concern new materials and characterization, alternative rehabilitation techniques, technological advances as well as pavement and railway track substructure sustainability are included. The contributions discuss new concepts and innovative solutions, and are concentrated but not limited on the following topics: · Unbound aggregate materials and soil properties · Bound materials characteritics, mechanical properties and testing · Effect of traffic loading · In-situ measurements techniques and monitoring · Structural evaluation · Pavement serviceability condition · Rehabilitation and maintenance issues · Geophysical assessment · Stabilization and reinforcement · Performance modeling · Environmental challenges · Life cycle assessment and sustainability Bearing Capacity of Roads, Railways and Airfields is essential reading for academics and professionals involved or interested in transport infrastructure systems, in particular roads, railways and airfields.
Author : Gerardo W. Flintsch,Kevin K. McGhee
Publisher : Transportation Research Board
Page : 154 pages
File Size : 50,5 Mb
Release : 2009
Category : Technology & Engineering
ISBN : 9780309142472
Author : Daoliang Li,Yande Liu,Yingyi Chen
Publisher : Springer
Page : 789 pages
File Size : 50,6 Mb
Release : 2011-02-03
Category : Computers
ISBN : 9783642183690
This book constitutes Part IV of the refereed four-volume post-conference proceedings of the 4th IFIP TC 12 International Conference on Computer and Computing Technologies in Agriculture, CCTA 2010, held in Nanchang, China, in October 2010. The 352 revised papers presented were carefully selected from numerous submissions. They cover a wide range of interesting theories and applications of information technology in agriculture, including simulation models and decision-support systems for agricultural production, agricultural product quality testing, traceability and e-commerce technology, the application of information and communication technology in agriculture, and universal information service technology and service systems development in rural areas.
Author : David Jones,John Harvey,Imad L. Al-Qadi,Angel Mateos
Publisher : CRC Press
Page : 560 pages
File Size : 44,7 Mb
Release : 2012-10-08
Category : Technology & Engineering
ISBN : 9780203073018
Pack: Book and CDInternationally, full-scale accelerated pavement testing, either on test roads or linear/circular test tracks, has proven to be a valuable tool that fills the gap between models and laboratory tests and long-term experiments on in-service pavements. Accelerated pavement testing is used to improve understanding of pavement behavior,
Author : Leonard Barolli,Mingwu Zhang,Xu An Wang
Publisher : Springer
Page : 779 pages
File Size : 49,8 Mb
Release : 2017-05-25
Category : Technology & Engineering
ISBN : 9783319594637
This book highlights the latest research findings, innovative research results, methods and development techniques, from both theoretical and practical perspectives, in the emerging areas of information networking, data and Web technologies. It gathers papers originally presented at the 5th International Conference on Emerging Internetworking, Data & Web Technologies (EIDWT-2017) held 10–11 June 2017 in Wuhan, China. The conference is dedicated to the dissemination of original contributions that are related to the theories, practices and concepts of emerging internetworking and data technologies – and most importantly, to how they can be applied in business and academia to achieve a collective intelligence approach. Information networking, data and Web technologies are currently undergoing a rapid evolution. As a result, they are now expected to manage increasing usage demand, provide support for a significant number of services, consistently deliver Quality of Service (QoS), and optimize network resources. Highlighting these aspects, the book discusses methods and practices that combine various internetworking and emerging data technologies to capture, integrate, analyze, mine, annotate, and visualize data, and make it available for various users and applications.
Author : Sanjaya Kumar Panda,Rashmi Ranjan Rout,Ravi Chandra Sadam,Bala Venkata Subramaanyam Rayanoothala,Kuan-Ching Li,Rajkumar Buyya
Publisher : Springer Nature
Page : 323 pages
File Size : 52,9 Mb
Release : 2023-01-01
Category : Computers
ISBN : 9783031217500
This volume constitutes the refereed proceedings of the First International Conference on Computing, Communication and Learning, CoCoLe 2022, held in Warangal, India, in October 2022. The 25 full papers and 1 short paper presented were carefully reviewed and selected from 117 submissions. The CoCoLe conference focuses on three broad areas of computer science and other allied branches, namely computing, communication, and learning.
Author : Ralph Haas,W. Ronald Hudson,John P. Zaniewski
Publisher : Unknown
Page : 682 pages
File Size : 47,5 Mb
Release : 1994
Category : Technology & Engineering
ISBN : CORNELL:31924067466585
Focusing on the process of pavement management, this text covers topics such as data acquisition and evaluation, network level priority programming and project level design. Examples of working systems are provided, as well as guidance for implementation.
Author : De-Shuang Huang,Yong Gan,Vitoantonio Bevilacqua,Juan Carlos Figueroa
Publisher : Springer
Page : 728 pages
File Size : 40,9 Mb
Release : 2012-02-10
Category : Computers
ISBN : 9783642247286
This book constitutes the thoroughly refereed post-conference proceedings of the 7th International Conference on Intelligent Computing, ICIC 2011, held in Zhengzhou, China, in August 2011. The 94 revised full papers presented were carefully reviewed and selected from 832 submissions. The papers are organized in topical sections on neural networks; machine learning theory and methods; fuzzy theory and models; fuzzy systems and soft computing; evolutionary learning & genetic algorithms; swarm intelligence and optimization; intelligent computing in computer vision; intelligent computing in image processing; biometrics with applications to individual security/forensic sciences; intelligent image/document retrievals; natural language processing and computational linguistics; intelligent data fusion and information security; intelligent computing in pattern recognition; intelligent agent and web applications; intelligent computing in scheduling; intelligent control and automation.
Author : Anonim
Publisher : Transportation Research Board
Page : 154 pages
File Size : 55,5 Mb
Release : 2024-07-02
Category : Electronic
ISBN : 8210379456XXX
Author : W. E. Meyer
Publisher : ASTM International
Page : 581 pages
File Size : 42,9 Mb
Release : 1990
Category : Pavements
ISBN : 9780803113916