Load Testing of Bridges: Two Volume Set

ISBN : 9781032652764

Author : Eva Lantsoght

Publisher : CRC Press

Year : 2023

Language : English

Type : Book

Description : VOLUME 12 - CURRENT PRACTICE AND DIAGNOSTIC LOAD TESTING Part I Background to Bridge Load Testing Chapter 1 Introduction Eva O. L. Lantsoght 1.1 Background 1.2 Scope of application 1.3 Aim of this book 1.4 Outline of this book Chapter 2 History of Load Testing of Bridges Mohamed K. ElBatanouny, Gregor Schacht and Guido Bolle 2.1 Introduction 2.2 Bridge load testing in Europe 2.3 Bridge load testing in North America 2.4 The potential of load testing for the evaluation of existing structures 2.5 Summary and conclusions References Chapter 3 Current Codes and Guidelines Eva O. L. Lantsoght 3.1 Introduction 3.2 German guidelines 3.3 British guidelines 3.4 Irish guidelines 3.5 Guidelines in the United States 3.6 French guidelines 3.7 Czech Republic and Slovakia 3.8 Spanish guidelines 3.9 Other countries 3.10 Current developments 3.11 Discussion 3.12 Summary References Part II Preparation, Execution, and Post-Processing of Load Tests on Bridges Chapter 4 General Considerations Eva O. L. Lantsoght and Jacob W. Schmidt 4.1 Initial considerations 4.2 Types of load tests, and which type of load test to select 4.3 When to load test a bridge, and when not to load test 4.4 Structure type considerations 4.5 Safety requirements during load testing 4.6 Summary and conclusions References Chapter 5 Preparation of Load Tests Eva O. L. Lantsoght and Jacob W. Schmidt 5.1 Introduction 5.2 Determination of test objectives 5.3 Bridge inspection 5.4 Preliminary calculations and development of finite element model 5.5 Planning and preparation of load test 5.6 Summary and conclusions References Chapter 6 General Considerations for the Execution of Load Tests Eva O. L. Lantsoght and Jacob W. Schmidt 6.1 Introduction 6.2 Loading equipment 6.3 Measurement equipment 6.4 Practical aspects of execution 6.5 Summary and conclusions References Chapter 7 Post-Processing and Bridge Assessment Eva O. L. Lantsoght and Jacob W. Schmidt 7.1 Introduction 7.2 Post-processing of measurement data 7.3 Updating finite element model with measurement data 7.4 Bridge assessment 7.5 Formulation of recommendations for maintenance or operation 7.6 Recommendations for reporting of load tests 7.7 Summary and conclusions References 151 Part III Diagnostic Load Testing of Bridges Chapter 8 Methodology for Diagnostic Load Testing Eva O. L. Lantsoght, Jonathan Bonifaz, Telmo A. Sanchez and Devin K. Harris 8.1 Introduction 8.2 Preparation of diagnostic load tests 8.3 Procedures for the execution of diagnostic load testing 8.4 Processing diagnostic load testing results 8.5 Evaluation of diagnostic load testing results 8.6 Summary and conclusions References Appendix: Determination of Experimental Rating Factor According to Barker Chapter 9 Example Field Test to Load Rate a Prestressed Concrete Bridge Eli S. Hernandez and John J. Myers 9.1 Introduction 9.2 Sample bridge description 9.3 Bridge instrumentation plan 9.4 Diagnostic load test program 9.5 Test results 9.6 Girder distribution factors 9.7 Load rating of Bridge A7957 by field load testing 9.8 Recommendations 9.9 Summary References Chapter 10 Example Load Test: Diagnostic Testing of a Concrete Bridge with a Large Skew Angle Mauricio Diaz Arancibia and Pinar Okumus 10.1 Summary 10.2 Characteristics of the bridge tested 10.3 Goals of load testing 10.4 Preliminary analytical model 10.5 Coordination of the load test 10.6 Instrumentation plan 10.7 Data acquisition 10.8 Loading 10.9 Planning and scheduling 10.10 Redundancy and repeatability 10.11 Results 10.12 Conclusions and recommendations Ackowledgements References Chapter 11 Diagnostic Load Testing of Bridges – Background and Examples of Application Piotr Olaszek and Joan R. Casas 11.1 Background 11.2 Examples of diagnostic load testing 11.3 Conclusions and recommendations for practice References Chapter 12 Field Testing of Pedestrian Bridges Darius Bačinskas, Ronaldas Jakubovskis and Arturas Kilikevičius 12.1 Introduction 12.2 Preparation for testing 12.3 Organization of the tests 12.4 Analysis of test results 12.5 Theoretical modeling of tested bridge 12.6 Concluding remarks Acknowledgments References VOLUME 13 - PROOF LOAD TESTING AND THE FUTURE OF LOAD TESTING Part I Proof Load Testing of Bridges Chapter 1 Methodology for Proof Load Testing Eva O. L. Lantsoght 1.1 Introduction 1.2 Determination of target proof load 1.3 Procedures for proof load testing 1.4 Processing of proof load testing results 1.5 Bridge assessment based on proof load tests 1.6 Summary and conclusions References Chapter 2 Load Rating of Prestressed Concrete Bridges without Design Plans by Nondestructive Field Testing David V. Jauregui, Brad D. Weldon, and Carlos V. Aguilar 2.1 Introduction 2.2 Inspection and evaluation procedures 2.3 Case studies 2.4 Conclusions References Chapter 3 Example of Proof Load Testing from Europe Eva O. L. Lantsoght, Dick A. Hordijk, Rutger T. Koekkoek, and Cor van der Veen 3.1 Introduction to viaduct Zijlweg 3.2 Preparation of proof load test 3.3 Execution of proof load test 3.4 Post-processing and rating 3.5 Summary and conclusions Acknowledgments References Part II Testing of Buildings Chapter 4 Load Testing of Concrete Building Constructions Gregor Schacht, Guido Bolle, and Steffen Marx 4.1 Historical development of load testing in Europe 4.2 Load testing of existing concrete building constructions 4.3 New developments 4.4 Practical recommendations 4.5 Summary and conclusions References Part III Advances in Measurement Techniques for Load Testing Chapter 5 Digital Image and Video-Based Measurements Mohamad Alipour, Ali Shariati, Thomas Schumacher, Devin K. Harris, and C. J. Riley 5.1 Introduction 5.2 Digital image correlation (DIC) for deformation measurements 5.3 Eulerian virtual visual sensors (VVS) for natural frequency measurements 5.4 Recommendations for practice 5.5 Summary and conclusions 5.6 Outlook and future trends Acknowledgments References Chapter 6 Acoustic Emission Measurements for Load Testing Mohamed ElBatanouny, Rafal Anay, Marwa A. Abdelrahman, and Paul Ziehl 6.1 Introduction 6.2 Acoustic emission–based damage identification 6.3 Source location during load tests 6.4 Discussion and recommendations for field applications References Chapter 7 Fiber Optics for Load Testing Joan R. Casas, António Barrias, Gerardo Rodriguez Gutiérrez, and Sergi Villalba 7.1 Introduction 7.2 Distributed optical fibers in load testing 7.3 Conclusions Acknowledgments References Chapter 8 Deflection Measurement on Bridges by Radar Techniques Carmelo Gentile 8.1 Introduction 8.2 Radar technology and the microwave interferometer 8.3 Accuracy and validation of the radar technique 8.4 Static and dynamic tests of a steel-composite bridge 8.5 A challenging application: structural health monitoring of stay cables 8.6 Summary Acknowledgments References Part IV Load Testing in the Framework of Reliability-Based Decision-Making and Bridge Management Decisions Chapter 9 Reliability-Based Analysis and Life-Cycle Management of Load Tests Dan M. Frangopol, David Y. Yang, Eva O. L. Lantsoght, and Raphael D. J. M. Steenbergen 9.1 Introduction 9.2 Influence of load testing on reliability index 9.3 Required target load for updating reliability index 9.4 Systems reliability considerations 9.5 Life-cycle cost considerations 9.6 Summary and conclusions References Chapter 10 Determination of Remaining Service Life of Reinforced Concrete Bridge Structures in Corrosive Environments after Load Testing Dimitri V. Val and Mark G. Stewart 10.1 Introduction 10.2 Deterioration of RC structures in corrosive environments 10.3 Reliability-based approach to structural assessment 10.4 Corrosion initiation modeling 10.5 Corrosion propagation modeling 10.6 Effect of spatial variability on corrosion initiation and propagation 10.7 Influence of climate change 10.8 Illustrative examples 10.9 Summary References 328 Chapter 11 Load Testing as Part of Bridge Management in Sweden Lennart Elfgren, Bjorn Täljsten, and Thomas Blanksvärd 11.1 Introduction 11.2 History 11.3 Present practice 11.4 Future 11.5 Conclusions Acknowledgments References Chapter 12 Load Testing as Part of Bridge Management in the Netherlands Ane de Boer 12.1 Introduction 12.2 Overview of load tests on existing structures 12.3 Inspections and re-examination 12.4 Conclusions and outlook References Part V Conclusions and Outlook Chaper 13 Conclusions and Outlook Eva O. L. Lantsoght 13.1 Current body of knowledge on load testing 13.2 Current research and open research questions 13.3 Conclusions and practical recommendations

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