Download or read book Evaluation of Existing Bridge Expansion Joints written by J. B. Thornton and published by . This book was released on 1973 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Field Evaluation of Bridge Expansion Joints written by Jitesh Parikh and published by . This book was released on 1989 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Assessment of Bridges Expansion Joints in Egypt written by Abdelhay Mohamed Badawy Abdallah and published by . This book was released on 2017 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Bridges play a vital role in resolving transportation problems in Egypt. The Objective of this research is to predict the conditions of bridges expansion joints, with the aim of proposing appropriate maintenance and repair strategies in order to extend their lifespans. A thorough literature review of existing bridges expansion joints maintenance and repair strategies are conducted. Furthermore, visual inspections and surveying of existing bridges expansion joints in Egypt are conducted, with the findings of such observations documented and recorded. Moreover, an expansion joint management system (EJMS) is developed with the aim of recommending the optimum maintenance strategy for bridges that optimizes annual condition index (ACI) and cost. This model uses a combination of Fuzzy Logic (FL) and Genetic Algorithm (GA) in order to provide optimal recommendations. In addition, a transition matrix for predicting Deterioration of expansion joints EJ using Markov Chain (MC) is developed. In order to test the model, several case studies of existing bridges in Egypt are used and the results are assessed against those documented through visual inspection. The comparison indicated that the developed EJMS is efficient in predicting the bridge EJs condition, where there is a deviation of 5% between the predicted condition from EJMS and the actual conditions observed through visual inspections. In addition, EJMS can play an important role in supporting decision makers in selecting the optimum maintenance and repair strategy that would maximizes the overall condition of expansion joints while meeting a certain budget constraint.
Download or read book On Site Evaluation of Bridge Deck Expansion Joints written by Moussa Issa and published by . This book was released on 1996 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evaluation and Policy for Bridge Deck Expansion Joints written by Luh M. Chang and published by . This book was released on 2001 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evaluation of a Bridge Deck Expansion Joint written by Marvin Henry Hilton and published by . This book was released on 1986 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: An evaluation of two Royston Unidam LK-120 bridge deck expansion joints installed on the Route 50 EBL Bridge over the Shenandoah River in Clark County, Virginia.
Download or read book An Evaluation of Thorma Joint a Flexible Bridge Expansion Joint System written by Gerald J. Kauffman and published by . This book was released on 1990 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evaluation of Bridge Deck Expansion Joint Seals written by Stephan R. Malon and published by . This book was released on 1986 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bridge Management written by M. J. Ryall and published by Springer. This book was released on 2013-12-14 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume consists of papers presented at the First International Conference on Bridge Management, held at The University of Surrey, Guildford, UK, from 28-30 March 1990.
Download or read book Evaluation of Elastomeric Concrete in Bridge Expansion Joint Header Repair Applications written by Jennifer Distlehorst and published by . This book was released on 2005 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elastomeric concretes were developed to prevent the spalling of the portland cement concrete adjacent to bridge deck expansion joints. Two types of elastomeric concretes were installed on I-135 bridges in Wichita in 1991. These joints and several others on I-135 with both elastomeric and conventional concrete header materials were surveyed annually for the next ten years. Spalling at each joint, rutting of the elastomeric materials and overall condition of the materials were measured and recorded. Laboratory tests of field-cast specimens were performed to determine the mechanical properties of the materials. The results of the tests and surveys show that the elastomeric concretes reduced spalling at bridge expansion joints. However, the joint headers formed of elastomeric concretes were as likely to develop distress as were the portland cement concrete joint headers.
Download or read book An Evaluation of Bridge Deck Joint Sealing Systems in Virginia written by James W. French and published by . This book was released on 2003 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design and fabrication of bridge expansion joint (or movement) systems comprise a rapidly evolving industry. New designs are constantly being presented for trial, often on a piecemeal basis. Occasionally, failures of products occur without sufficient documentation, resulting in inadequate dissemination of the details of the installations to other potential users. It was believed that a systematic evaluation process involving users of joint sealing systems and the Virginia Department of Transportation's (VDOT) New Products Committee was required to ensure that up to date information on available products, their prescribed uses, installation procedures, and performance would be available across VDOT. The research procedure employed in this evaluation was a series of case studies of individual trials of joint sealing systems. Care was taken to ensure the involvement of all interested parties within VDOT and to include the joint manufacturer (vendor) in any experimental installation. The subject study was a limited evaluation of those joint sealing systems used by VDOT during the past several years. It did not include the full array of products available to the bridge engineering community, and it was not necessarily based on numerous installations of every joint system. Since the study concentrated on joint sealing systems, open expansion joint systems, including butt, sliding plate, and finger joints, were not evaluated. Larger modular joint systems were also excluded. The results of this study were mixed with regard to the performance of the generic systems evaluated. Each system has served successfully, and evaluations have shown failed installations of each. None can be assumed to last indefinitely. Adherence to recommended installation procedures is essential to attaining satisfactory service from a joint sealing system. The vendor should be required to have competent representation present during the entire time of the initial installation of any product. The individual in charge of the installation must be completely familiar with the details and the underlying logic of the operation. Bonding of the elastomeric component of the sealing system (which accommodates joint movement) to the faces of the joint is a critical factor in the performance of most systems. Due care should be taken in cleaning the joint faces, ensuring that the surfaces are dry, and properly applying any adhesive.
Download or read book Installation and Performance Evaluation of the Wabocrete FMV Joint System for Bridge Decks written by Marvin Henry Hilton and published by . This book was released on 1990 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Wabocrete FMV bridge deck expansion joint system was installed on the Alternate Rte. 58 bridge over the Clinch River in November 1986. The bridge was placed in service in mid-1987. The report concerns an installation and performance evaluation of the joint system. It was found that the Wabocrete FMV joint system offers some installation advantages over preformed joint systems. The blockout area of the bridge deck does not have to be as smooth or as precisely dimensioned since the joint's anchorage system can be leveled prior to placement of the bonding material. Installation and future maintenance problems involving anchor bolts are eliminated since the system relies on bond rather than mechanical anchorages. After over two years of service, the Vabocrete system has performed well. During this period, the joint has accommodated all thermal and structural movements, withstood traffic impacts and remained leak proof. The joint does tend to accumulate debris and should be routinely cleaned. The performance of the joint during the period of the study has not given any reason to suggest that it not be used on new bridge decks similar to the one studied. A longer term evaluation, however, would be necessary for a fullrecommendation. The use of the Wabocrete FMV, and similar systems, as retrofit on older bridges should be approached with caution. Furthermore, these systems shouldprobably not be used in retrofit situations in conjunction with adjacent asphaltic overlays.
Download or read book Evaluation of the On flex Expansion Joint Sealing System for Bridge Decks written by Marvin Henry Hilton and published by . This book was released on 1984 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: The findings from this study were based on limited data. Requests for candidate structures for the inspections indicated that relatively few suitable bridges were available. Only 6 of those bridges could be skid tested. A further limitation was that, since the texturing specification was relatively new, the effect of traffic wear over a substantial period of time could not be measured. Skid resistance data from tests with treaded tires at 40 mph in the traffic lanes of interstate highway bridges, obtained routinely as part of another program, were available to indicate the effect of wear on earlier bridge deck textures.
Download or read book Evaluation of Failure in Bridge Expansion Joint Rails written by V. Dolan and published by . This book was released on 1994 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Dynamic Impact Factors for Bridges written by David I. McLean and published by Transportation Research Board. This book was released on 1998 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis will be of interest to state department of transportation and consulting bridge, structural, and research engineers. The synthesis describes the current state of the practice for determining dynamic impact factors for bridges. Information for the synthesis was collected by surveying U.S. and Canadian transportation agencies and by conducting a literature search using domestic and foreign sources. This report of the Transportation Research Board documents relevant background and recent information with regard to vehicular dynamic load effects on bridges. It provides details on the basic concepts of bridge dynamics, including identification of the main variables affecting bridge dynamic response. In addition, current code provisions for accounting for vehicular dynamic load effects for new bridge design and load evaluation of existing bridges are reported, including a discussion on the background of the provisions. Finally, a discussion of observed field problems associated with vehicular dynamic load effects, as obtained from the survey, are included.
Download or read book Evaluation of Watertight Bridge Expansion Joints written by and published by . This book was released on 1981 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bridge Maintenance Inspection and Evaluation Second Edition written by Kenneth White and published by CRC Press. This book was released on 2024-11-01 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Second Edition examines in detail the process of evaluating bridge conditions and offers a thorough study of bridge types - their origins, elements, and failures. Bridge Maintenance Inspection and Evaluation, Second Edition presents new and expanded information on condition ratings, capacity evaluations, load factor analysis, and the American Association of State Highway and Transportation Officials (AASHTO) suggested guidelines. "
