Development Of A Low Cost Bridge Weigh In Motion System
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Development Of A Low Cost Bridge Weigh In Motion System
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Author : Bridge Weighing Systems, Inc
language : en
Publisher:
Release Date : 1991
Development Of A Low Cost Bridge Weigh In Motion System written by Bridge Weighing Systems, Inc and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Bridges categories.
Development Of A Low Cost Truck Weighing System Final Report
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Author : Wiley D. Cunagin
language : en
Publisher:
Release Date : 1988
Development Of A Low Cost Truck Weighing System Final Report written by Wiley D. Cunagin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.
Development Of A Bridge Weigh In Motion System
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Author : Arturo Gonzalez
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2010-05
Development Of A Bridge Weigh In Motion System written by Arturo Gonzalez and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-05 with categories.
Weigh-in-Motion (WIM) data can be used to predict future traffic volumes and weights for the planning of new infrastructure, the management of maintenance activities, the identification/reduction of overloading problems and the evaluation of the performance of pavements and bridges. Most WIM systems are based on sensors placed in or on the pavement that measure the wheel force applied over them during a very short time. The value of this force varies as a result of road roughness and vehicle dynamics leading to limited accuracy for estimating static weights. Additionally, these systems experience durability problems due to traffic and environmental conditions. An alternative approach to WIM that addresses these limitations is the use of an instrumented bridge to weigh vehicles (B-WIM). This approach is the subject of research in this book. Inaccuracies derived from discrepancies between theoretical B-WIM algorithms and bridge measurements are investigated both theoretically and experimentally. The text also describes the development of a B-WIM system in Ireland, including all aspects of installation, calibration, data collection and its processing into useful traffic information.
Special Report
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Author :
language : en
Publisher:
Release Date : 1989
Special Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Arctic regions categories.
Evaluation Of The Bridge Weigh In Motion System
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Author :
language : en
Publisher:
Release Date : 1985
Evaluation Of The Bridge Weigh In Motion System written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Government publications categories.
This demonstration project allowed Wisconsin Dept. of Transportation to test the overall performance of Bridge weigh in motion equipment as well as develop an entirely new comprehensive and representative truck weight database.
Structural Health Monitoring And Development Of A Bridge Weigh In Motion System For A Multi Girder Steel Composite Bridge
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Author : A. J. Cardini
language : en
Publisher:
Release Date : 2007
Structural Health Monitoring And Development Of A Bridge Weigh In Motion System For A Multi Girder Steel Composite Bridge written by A. J. Cardini and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Synthesis Of Highway Practice
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Author : National Cooperative Highway Research Program
language : en
Publisher: Transportation Research Board
Release Date : 1984
Synthesis Of Highway Practice written by National Cooperative Highway Research Program and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Roads categories.
Simulation Of Bridge Weigh In Motion System Integrated With Bridge Safety
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Author : Zhisong Zhao
language : en
Publisher:
Release Date : 2012
Simulation Of Bridge Weigh In Motion System Integrated With Bridge Safety written by Zhisong Zhao and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Bridges categories.
Bridge weigh-in-motion system (B-WIM) testing is a popular technology in bridge applications. The B-WIM system can track extensive information about loading conditions to which bridges are subjected, and engineers can evaluate the responses of bridges and assess their performance relative to the safety index and serviceability. FAD (Free-of-Axle-Detector) or NOR (Nothing-On-Road) B-WIM system works well, but only if the system detects axle locations. In the USA, there are challenges for some beam-and-slab bridges. In the first manuscript, we describe a study with alternative strategies for sensor types and sensor installation locations for beam-and-slab bridges. The sensor layouts are identified and two new sensors are investigated. Most of the commercially available B-WIM systems are based on an algorithm developed by Moses (1979). The performance of this method is acceptable for estimating gross vehicle weight (GVW), but it can be unsatisfactory for estimating single axle loads. In order to improve the accuracy to an acceptable level, two algorithms are proposed. The second and third manuscripts present the measurement of axle weights and GVWs of moving heavy vehicles based on these algorithms. As determined in a case study of a bridge on US-78, both algorithms significantly improved the accuracy of measurements of axle weights in comparison with the commercial B-WIM system. Existing bridges may be functionally obsolete or have deficient structures based on older design codes or features. These bridges are not unsafe for normal vehicle traffic, but they can be vulnerable to specific traffic conditions. We propose, in manuscript 4, use of a simulation model based on B-WIM experimental data derived during extreme events. The results provide an improved understanding of the possible deficiencies of this bridge, and an appropriate retrofit is suggested. Finally, the dynamic amplification factor (DAF) is a significant parameter for design new of bridges and for evaluation of existing bridges. AASHTO guidelines provided very conservative values. So, improved methods for determination of DAF values need to be developed to evaluate the safety of existing bridges. This manuscript presents a simulation method to evaluate the DAF of existing bridges by use of the B-WIM data. The accurate results are obtained based on site-specific data.
Field Trials Of Low Cost Bridge Weigh In Motion
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Author : Richard E. Snyder
language : en
Publisher:
Release Date : 1991
Field Trials Of Low Cost Bridge Weigh In Motion written by Richard E. Snyder and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Bridges categories.
Summary Of Progress National Cooperative Highway Research Program
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Author : National Cooperative Highway Research Program
language : en
Publisher:
Release Date : 1995
Summary Of Progress National Cooperative Highway Research Program written by National Cooperative Highway Research Program and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Highway research categories.