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Bridge Deck Sealer Monitor
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Download or read book Bridge Deck Sealer Monitor written by and published by . This book was released on 2021 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of sealers to prevent corrosion damage and extend the life of bridge decks is increasingly implemented as a bridge preservation tool to help ensure the state of good repair for bridge decks. The TRB Highway Innovations Deserving Exploratory Analysis (IDEA) Program's Bridge Deck Sealer Monitor: Thermal Sealcheck presents a new nondestructive technology to evaluate the effectiveness of sealers applied to concrete bridge decks. The concept uses time-lapse thermography to measure water absorption/evaporation characteristics on a bridge deck in order to assess the effectiveness of concrete sealer.
Book Synopsis Development and Layout of a Protocol for the Field Performance of Concrete Deck and Crack Sealants by : José Antonio Pincheira
Download or read book Development and Layout of a Protocol for the Field Performance of Concrete Deck and Crack Sealants written by José Antonio Pincheira and published by . This book was released on 2009 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this project was to develop and layout a protocol for the long-term monitoring and assessment of the performance of concrete deck and crack sealants in the field. To accomplish this goal, a total of six bridge decks were chosen for study. The decks have ages that vary from 4 to 30 years old, are all in good condition, though some presented a variety of longitudinal, transverse and diagonal cracking. In each deck, test segments were laid out along one lane in four of the six bridges. Drill powder samples were extracted in each segment in order to determine the in-situ, near-surface chloride ion content of the deck. Laboratory analyses of the samples showed that the chloride ion content varied between 3.2 lb/cy for the younger decks (3 years old) and 20.8 lb/cy for the older decks (28 years old). Based on the recommendations of a previous laboratory investigation, a pool of the best performing deck and crack sealants were selected to be applied in the decks. In two bridges, deck segments were sealed with four deck sealants while one segment was left unsealed to be used as a control segment. Additionally, the cracks in each of these segments were sealed with five crack sealants. While two other decks were also scheduled for sealing as part of this phase of the project, they were not done because the required curing time for some of the products was longer than deemed acceptable by DOT crews for these high traffic bridges. It is recommended, however, that every effort be made to have these decks be sealed in the near future. The remaining two bridges had been sealed at the time of construction. While no specific information could be secured about the product used in these decks, the low chloride ion content in these decks suggested that the applied product has helped reduce the ingress of chloride ions. Therefore, it is recommended that these decks continue to be monitored over time. Based on the inspections and the data collected in the field, a protocol and schedule for the continuing monitoring of sealant performance is presented.
Book Synopsis Building Seismic Monitoring and Detection Technology by : Junwen Zhang
Download or read book Building Seismic Monitoring and Detection Technology written by Junwen Zhang and published by CRC Press. This book was released on 2023-09-25 with total page 535 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building Seismic Monitoring and Detection Technology focuses on the research of seismic resistance and monitoring technology. The book gathers cutting-edge research and achievements, and includes contributions on the following subjects: New concepts and key technologies of structural regulation and disaster prevention Test and monitoring study of thermal insulation in tunnels Protection of steel and concrete structures using arc thermal spray Research progress of mechanical metamaterials This book is aiming at scholars and engineers involved or interested in structural engineering and seismic detection technology.
Book Synopsis Structural Health Monitoring of Long-Span Suspension Bridges by : You Lin Xu
Download or read book Structural Health Monitoring of Long-Span Suspension Bridges written by You Lin Xu and published by CRC Press. This book was released on 2011-08-31 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: Long span suspension bridges cost billions. In recent decades, structural health monitoring systems have been developed to measure the loading environment and responses of these bridges in order to assess serviceability and safety while tracking the symptoms of operational incidents and potential damage. This helps ensure the bridge functions properly during a long service life and guards against catastrophic failure under extreme events. Although these systems have achieved some success, this cutting-edge technology involves many complex topics that present challenges to students, researchers, and engineers alike. Systematically introducing the fundamentals and outlining the advanced technologies for achieving effective long-term monitoring, Structural Health Monitoring of Long-Span Suspension Bridges covers: The design of structural health monitoring systems Finite element modelling and system identification Highway loading monitoring and effects Railway loading monitoring and effects Temperature monitoring and thermal behaviour Wind monitoring and effects Seismic monitoring and effects SHMS-based rating method for long span bridge inspection and maintenance Structural damage detection and test-bed establishment These are applied in a rigorous case study, using more than ten years' worth of data, to the Tsing Ma suspension bridge in Hong Kong to examine their effectiveness in the operational performance of a real bridge. The Tsing Ma bridge is the world's longest suspension bridge to carry both a highway and railway, and is located in one of the world’s most active typhoon regions. Bridging the gap between theory and practice, this is an ideal reference book for students, researchers, and engineering practitioners.
Book Synopsis Extended Evaluation of Selected Experimental Bridge Deck Protective Systems by : M. G. Hagen
Download or read book Extended Evaluation of Selected Experimental Bridge Deck Protective Systems written by M. G. Hagen and published by . This book was released on 1988 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Long-term Monitoring of Metallized Zinc Bridge Deck and Soffit Cathodic Protection Systems by : Richard R. Carter
Download or read book Long-term Monitoring of Metallized Zinc Bridge Deck and Soffit Cathodic Protection Systems written by Richard R. Carter and published by . This book was released on 1995 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :U.s. Department of Transportation Publisher :Createspace Independent Publishing Platform ISBN 13 :9781480191730 Total Pages :30 pages Book Rating :4.1/5 (917 download)
Book Synopsis Bridge Preservation Guide by : U.s. Department of Transportation
Download or read book Bridge Preservation Guide written by U.s. Department of Transportation and published by Createspace Independent Publishing Platform. This book was released on 2012-10-26 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide provides bridge related definitions and corresponding commentaries, as well as the framework for a systematic approach to a preventive maintenance program. The goal is to provide guidance on bridge preservation. This guide is intended for Federal, State, and local bridge engineers, area engineers, bridge owners, and bridge preservation practitioners.
Book Synopsis Concrete Bridge Deck Performance by : H. G. Russell
Download or read book Concrete Bridge Deck Performance written by H. G. Russell and published by Transportation Research Board. This book was released on 2004 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: At head of title: National Cooperative Highway Research Program.
Author :fib Fédération internationale du béton Publisher :fib Fédération internationale du béton ISBN 13 :9782883940628 Total Pages :316 pages Book Rating :4.9/5 (46 download)
Book Synopsis Monitoring and Safety Evaluation of Existing Concrete Structures by : fib Fédération internationale du béton
Download or read book Monitoring and Safety Evaluation of Existing Concrete Structures written by fib Fédération internationale du béton and published by fib Fédération internationale du béton. This book was released on 2003 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: The condition assessment of aged structures is becoming a more and more important issue for civil infrastructure management systems. The continued use of existing systems is, due to environmental, economical and socio-political assets, of great significance and is growing larger every year. Thus the extent of necessary repair of damaged reinforced concrete structures is of major concern in most countries today. Monitoring techniques may have a decisive input to limit expenditures for maintenance and repair of existing structures. Modern test and measurement methods as well as computational mechanics open the door for a wide variety of monitoring applications. The need for quantitative and qualitative knowledge has led to the development and improvement of surveillance techniques, which have already found successful application in other disciplines such as medicine, physics and chemistry. The design of experimental test and measurement systems is inherently an interdisciplinary activity. The specification of the instrumentation to measure the structural response will involve the skills of civil, electrical and computer engineers. The main aim of fib Commission 5, Structural servicer life aspects, is to provide a rational procedure to obtain an optimal technical-economic performance of concrete structures in service and to ensure a feedback of experience gained to design, execution, maintenance and rehabilitation. Against this background fib Task Group 5.1 Monitoring and Safety Evaluation of Existing Concrete Structures had been established to evaluate the existing practice worldwide. The objective of this state-of-art report is to summarize the most important inspection and measuring methods, to describe the working process and to evaluate the applicability to structural monitoring. Particular emphasis is placed upon non-destructive systems, lifetime monitoring, data evaluation and safety aspects.
Book Synopsis Design, Assessment, Monitoring and Maintenance of Bridges and Infrastructure Networks by : Fabio Biondini
Download or read book Design, Assessment, Monitoring and Maintenance of Bridges and Infrastructure Networks written by Fabio Biondini and published by Routledge. This book was released on 2020-08-14 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relevant advances have been accomplished by the scientific community and engineering profession in the design, assessment, monitoring, maintenance, and management of sustainable and resilient bridge structures and infrastructures. These advances have been presented and discussed at The Sixth International Conference on Bridge Maintenance, Safety And Management (IABMAS 2012), held in Stresa, Italy, from 8 to 11 July 2012 (http://www.iabmas2012.org). IABMAS 2012 has been organised on behalf of the International Association for Bridge Maintenance And Safety (IABMAS) under the auspices of Politecnico di Milano. This book collects the extended versions of selected papers presented at IABMAS 2012 and invited papers originally published in a Special Issue of Structure and Infrastructure Engineering. These papers provide significant contributions to the process of making more rational decisions in bridge design, assessment, monitoring and maintenance. The editors would like to thank the authors for their contributions and hope that this collection of papers will represent a valuable reference for scientific research and engineering applications in the fields of design, assessment, monitoring, and maintenance of bridges and infrastructure networks.
Author :Howard, Needles, Tammen & Bergendoff Publisher :Transportation Research Board National Research ISBN 13 : Total Pages :56 pages Book Rating :4.:/5 (359 download)
Book Synopsis Bridge Deck Joint-sealing Systems by : Howard, Needles, Tammen & Bergendoff
Download or read book Bridge Deck Joint-sealing Systems written by Howard, Needles, Tammen & Bergendoff and published by Transportation Research Board National Research. This book was released on 1979 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Health Monitoring of Precast Bridge Deck Panels Reinforced with Glass Fiber Polymer (GFRP) Bars by : Chris P. Pantelides
Download or read book Health Monitoring of Precast Bridge Deck Panels Reinforced with Glass Fiber Polymer (GFRP) Bars written by Chris P. Pantelides and published by . This book was released on 2012 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present research project investigates monitoring concrete precast panels for bridge decks that are reinforced with Glass Fiber Reinforced Polymer (GFRP) bars. Due to the lack of long term research on concrete members reinforced with GFRP bars, long term health monitoring is important to record the performance and limit states of the GFRP decks and bridge as a whole. In this research, data is collected on concrete strains, bridge deflections, vertical girder accelerations, as well as initial truck load testing and lifting strains.
Book Synopsis Advanced Sensing, Materials and Intelligent Algorithms for Multi-Domain Structural Health Monitoring by : Liang Ren
Download or read book Advanced Sensing, Materials and Intelligent Algorithms for Multi-Domain Structural Health Monitoring written by Liang Ren and published by Frontiers Media SA. This book was released on 2022-01-07 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis AASHTO Maintenance Manual for Roadways and Bridges by : Kenneth A. Brewer
Download or read book AASHTO Maintenance Manual for Roadways and Bridges written by Kenneth A. Brewer and published by AASHTO. This book was released on 2007 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bridge Maintenance, Safety, Management, Resilience and Sustainability by : Fabio Biondini
Download or read book Bridge Maintenance, Safety, Management, Resilience and Sustainability written by Fabio Biondini and published by CRC Press. This book was released on 2012-06-21 with total page 4119 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bridge Maintenance, Safety, Management, Resilience and Sustainability contains the lectures and papers presented at The Sixth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2012), held in Stresa, Lake Maggiore, Italy, 8-12 July, 2012. This volume consists of a book of extended abstracts (800 pp) Extensive collection of revised expert papers on recent advances in bridge maintenance, safety, management and life-cycle performance, representing a major contribution to the knowledge base of all areas of the field.
Book Synopsis Bridge Deck Concrete Sealers by : John D. Wenzlick
Download or read book Bridge Deck Concrete Sealers written by John D. Wenzlick and published by . This book was released on 2007 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last several years, MoDOT has experienced problems with excessive amounts of cracking on some new concrete bridge decks. This has led to various concrete sealers being used for sealing cracks as well as whole decks, instead of applying linseed oil. Linseed oil is the only concrete sealer listed in Missouri's Standard Specifications, and is used for resistance to scaling on new bridge decks. Secondly, some recent projects re-texturing decks built with dense concrete overlays have specified penetrating concrete sealers. The concern was if linseed oil was used on the diamond ground surface, it might not have good frictional properties. Either extra linseed oil might be left on the surface or the linseed oil might not cure quickly enough to switch traffic onto it after short lane closures. It was decided that new penetrating sealers be used in these situations by special provision to the contract. Four types of penetrating sealers were tested against linseed oil in the laboratory to rate their effectiveness, pick criteria for testing needed in accepting sealers and write a new specification to best protect concrete bridge decks from deterioration. In the case of new concrete decks it is recognized by American Concrete Institute that cracks smaller than 0.18 mm do not let chloride ions from salt penetrate through them. It was concluded that if there are very few cracks bigger than this, those cracks do not need to be sealed, and linseed oil can be used to help prevent scaling. If cracks were bigger than this it would be better to forego the linseed oil treatment and use a crack sealer. A table with concrete sealers classified into three performance groups is presented with the sealers ranked by performance and including cost per ft. 2. It was found from this study that penetrating sealers are not good at sealing large cracks. Although an Ohio DOT test was used in this study to measure crack sealing capabilities, it did not give consistent answers. It did help identify what size cracks need to be sealed by a better crack sealer, such as a two-part epoxy. It was found that cracks in the range of 0.30 mm to 0.64 mm start to allow a saline solution to leak through the concrete very swiftly. So even if a penetrating sealer is used on a deck with many cracks, those 0.64 mm cracks and bigger need a more appropriate crack filler/sealer to seal the individual big cracks first. Sealing cracks on existing older decks should be done using less expensive products that seal the entire small and medium-sized cracks and are effective for 2-4 years. A table listing these crack sealers is also presented. As a result of testing in this study one of these products was approved for preventive maintenance use statewide.
Book Synopsis Evaluation of Bridge Deck Sealers by :
Download or read book Evaluation of Bridge Deck Sealers written by and published by . This book was released on 2014 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study focuses on the evaluation of bridge deck sealers commonly used on highway bridge decks and their relative performance.
