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Author: Patrick Carlo Wilcox Publisher: ISBN: Category : Bridges Languages : en Pages : 532
Book Description
The use of prefabricated fiber reinforced polymer (FRP) strips to rehabilitate concrete structures has increased in popularity over the past few years. As such, many design codes and guidelines have been developed to enable designers to use the FRP materials with confidence in their performance. In this work, FRP durability test results are used with a widely known degradation prediction model to determine the value of FRP material properties used in rehabilitation and strengthening of concrete over time. Equations are presented based on the test data to predict the tensile strength, tensile modulus, short beam shear strength, and flexural strength over time of FRP prefabricated strips from three manufacturers. Corresponding degradation data is presented for the adhesive recommended be each manufacturer for use. The degradation model is used on example girders used in previous research by Atadero and Karbhari (1996) for illustration of differences in the codes and guidelines design property values and those possessed by FRP materials over time to demonstrate the use of the time-based reliability factor within the LRFD model presented in an earlier report to Caltrans. A reliability analysis is conducted in each example case to compare the results. A proposed shift in design philosophy is presented to enable inclusion of material degradation over time and thereby make concrete rehabilitation with FRP strips more efficient and cost effective.
Author: Patrick Carlo Wilcox Publisher: ISBN: Category : Bridges Languages : en Pages : 532
Book Description
The use of prefabricated fiber reinforced polymer (FRP) strips to rehabilitate concrete structures has increased in popularity over the past few years. As such, many design codes and guidelines have been developed to enable designers to use the FRP materials with confidence in their performance. In this work, FRP durability test results are used with a widely known degradation prediction model to determine the value of FRP material properties used in rehabilitation and strengthening of concrete over time. Equations are presented based on the test data to predict the tensile strength, tensile modulus, short beam shear strength, and flexural strength over time of FRP prefabricated strips from three manufacturers. Corresponding degradation data is presented for the adhesive recommended be each manufacturer for use. The degradation model is used on example girders used in previous research by Atadero and Karbhari (1996) for illustration of differences in the codes and guidelines design property values and those possessed by FRP materials over time to demonstrate the use of the time-based reliability factor within the LRFD model presented in an earlier report to Caltrans. A reliability analysis is conducted in each example case to compare the results. A proposed shift in design philosophy is presented to enable inclusion of material degradation over time and thereby make concrete rehabilitation with FRP strips more efficient and cost effective.
Author: Jaap Bakker Publisher: CRC Press ISBN: 1498777015 Category : Technology & Engineering Languages : en Pages : 438
Book Description
This volume contains the papers presented at IALCCE2016, the fifth International Symposium on Life-Cycle Civil Engineering (IALCCE2016), to be held in Delft, The Netherlands, October 16-19, 2016. It consists of a book of extended abstracts and a DVD with full papers including the Fazlur R. Khan lecture, keynote lectures, and technical papers from all over the world. All major aspects of life-cycle engineering are addressed, with special focus on structural damage processes, life-cycle design, inspection, monitoring, assessment, maintenance and rehabilitation, life-cycle cost of structures and infrastructures, life-cycle performance of special structures, and life-cycle oriented computational tools. The aim of the editors is to provide a valuable source for anyone interested in life-cycle of civil infrastructure systems, including students, researchers and practitioners from all areas of engineering and industry.
Author: L. Taerwe Publisher: CRC Press ISBN: 1482271621 Category : Architecture Languages : en Pages : 736
Book Description
Dealing with a wide range of non-metallic materials, this book opens up possibilities of lighter, more durable structures. With contributions from leading international researchers and design engineers, it provides a complete overview of current knowledge on the subject.
Author: Abdul-Hamid Zureick Publisher: Transportation Research Board ISBN: 0309154855 Category : Technology & Engineering Languages : en Pages : 118
Book Description
TRB's National Cooperative Highway Research Program (NCHRP) Report 655: Recommended Guide Specification for the Design of Externally Bonded FRP Systems for Repair and Strengthening of Concrete Bridge Elements examines a recommended guide specification for the design of externally bonded Fiber-Reinforced Polymer (FRP) systems for the repair and strengthening of concrete bridge elements. The report addresses the design requirements for members subjected to different loading conditions including flexure, shear and torsion, and combined axial force and flexure. The recommended guide specification is supplemented by design examples to illustrate its use for different FRP strengthening applications.
Author: Tulio Nogueira Bittencourt Publisher: CRC Press ISBN: 1351801368 Category : Technology & Engineering Languages : en Pages : 976
Book Description
Maintenance, Monitoring, Safety, Risk and Resilience of Bridges and Bridge Networks contains the lectures and papers presented at the Eighth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2016), held in Foz do Iguaçu, Paraná, Brazil, 26-30 June, 2016. This volume consists of a book of extended abstracts and a DVD containing the full papers of 369 contributions presented at IABMAS 2016, including the T.Y. Lin Lecture, eight Keynote Lectures, and 360 technical papers from 38 countries. The contributions deal with the state-of-the-art as well as emerging concepts and innovative applications related to all main aspects of bridge maintenance, safety, management, resilience and sustainability. Major topics covered include: advanced materials, ageing of bridges, assessment and evaluation, bridge codes, bridge diagnostics, bridge management systems, composites, damage identification, design for durability, deterioration modeling, earthquake and accidental loadings, emerging technologies, fatigue, field testing, financial planning, health monitoring, high performance materials, inspection, life-cycle performance and cost, load models, maintenance strategies, non-destructive testing, optimization strategies, prediction of future traffic demands, rehabilitation, reliability and risk management, repair, replacement, residual service life, resilience, robustness, safety and serviceability, service life prediction, strengthening, structural integrity, and sustainability. This volume provides both an up-to-date overview of the field of bridge engineering as well as significant contributions to the process of making more rational decisions concerning bridge maintenance, safety, serviceability, resilience, sustainability, monitoring, risk-based management, and life-cycle performance using traditional and emerging technologies for the purpose of enhancing the welfare of society. It will serve as a valuable reference to all involved with bridge structure and infrastructure systems, including students, researchers and engineers from all areas of bridge engineering.
Author: Perumalsamy Balaguru Publisher: CRC Press ISBN: 1482288532 Category : Technology & Engineering Languages : en Pages : 334
Book Description
High strength fibre composites (FRPs) have been used with civil structures since the 1980s, mostly in the repair, strengthening and retrofitting of concrete structures. This has attracted considerable research, and the industry has expanded exponentially in the last decade. Design guidelines have been developed by professional organizations in a nu
Author: Dan Frangopol Publisher: CRC Press ISBN: 1000006816 Category : Technology & Engineering Languages : en Pages : 738
Book Description
Bridge Maintenance, Safety, Management and Life-Cycle Optimization contains the lectures and papers presented at IABMAS 2010, the Fifth International Conference of the International Association for Bridge Maintenance and Safety (IABMAS), held in Philadelphia, Pennsylvania, USA from July 11 through 15, 2010.All major aspects of bridge maintenance, s
Author: Nigel Powers Publisher: CRC Press ISBN: 1351745964 Category : Technology & Engineering Languages : en Pages : 5447
Book Description
Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges contains lectures and papers presented at the Ninth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2018), held in Melbourne, Australia, 9-13 July 2018. This volume consists of a book of extended abstracts and a USB card containing the full papers of 393 contributions presented at IABMAS 2018, including the T.Y. Lin Lecture, 10 Keynote Lectures, and 382 technical papers from 40 countries. The contributions presented at IABMAS 2018 deal with the state of the art as well as emerging concepts and innovative applications related to the main aspects of bridge maintenance, safety, risk, management and life-cycle performance. Major topics include: new design methods, bridge codes, heavy vehicle and load models, bridge management systems, prediction of future traffic models, service life prediction, residual service life, sustainability and life-cycle assessments, maintenance strategies, bridge diagnostics, health monitoring, non-destructive testing, field testing, safety and serviceability, assessment and evaluation, damage identification, deterioration modelling, repair and retrofitting strategies, bridge reliability, fatigue and corrosion, extreme loads, advanced experimental simulations, and advanced computer simulations, among others. This volume provides both an up-to-date overview of the field of bridge engineering and significant contributions to the process of more rational decision-making on bridge maintenance, safety, risk, management and life-cycle performance of bridges for the purpose of enhancing the welfare of society. The Editors hope that these Proceedings will serve as a valuable reference to all concerned with bridge structure and infrastructure systems, including students, researchers and engineers from all areas of bridge engineering.
Author: Patrick Carlo Wilcox
Author: Patrick Carlo Wilcox
Author: Jaap Bakker
Author: L. Taerwe
Author: ACI Committee 440
Author: Abdul-Hamid Zureick
Author: Tulio Nogueira Bittencourt
Author: Perumalsamy Balaguru
Author: Rishi Gupta
Author: Dan Frangopol
Author: Nigel Powers