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E-raamat: Vehicle Scanning Method for Bridges [Wiley Online]

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  • Formaat: 500 pages
  • Ilmumisaeg: 21-Nov-2019
  • Kirjastus: John Wiley & Sons Inc
  • ISBN-10: 1119539625
  • ISBN-13: 9781119539629
Teised raamatud teemal:
  • Wiley Online
  • Hind: 142,74 €*
  • * hind, mis tagab piiramatu üheaegsete kasutajate arvuga ligipääsu piiramatuks ajaks
Vehicle Scanning Method for BridgesSuurem pilt
  • Formaat: 500 pages
  • Ilmumisaeg: 21-Nov-2019
  • Kirjastus: John Wiley & Sons Inc
  • ISBN-10: 1119539625
  • ISBN-13: 9781119539629
Teised raamatud teemal:
Wiley Online e-raamatudRohkem infot Wiley Online kohta
Raamatu kodulehekülg: https://onlinelibrary.wiley.com/doi/book/10.1002/9781119539629

Presents the first ever guide for vehicle scanning of the dynamic properties of bridges

Written by the leading author on the subject of vehicle scanning method (VSM) for bridges, this book allows engineers to monitor every bridge of concern on a regular and routine basis, for the purpose of maintenance and damage detection. It includes a review of the existing literature on the topic and presents the basic concept of extracting bridge frequencies from a moving test vehicle fitted with vibration sensors. How road surface roughness affects the vehicle scanning method is considered and a finite element simulation is conducted to demonstrate how surface roughness affects the vehicle response. Case studies and experimental results are also included.

Vehicle Scanning Method for Bridges covers an enhanced technique for extracting higher bridge frequencies. It examines the effect of road roughness on extraction of bridge frequencies, and looks at a dual vehicle technique for suppressing the effect of road roughness. A filtering technique for eliminating the effect of road roughness is also presented. In addition, the book covers the identification of bridge mode shapes, contact-point response for modal identification of bridges, and damage detection of bridges—all through the use of a moving test vehicle.

  • The first book on vehicle scanning of the dynamic properties of bridges
  • Written by the leading author on the subject
  • Includes a state-of-the-art review of the existing works on the vehicle scanning method (VSM)
  • Presents the basic concepts for extracting bridge frequencies from a moving test vehicle fitted with vibration sensors
  • Includes case studies and experimental results 

The first book to fully cover scanning the dynamic properties of bridges with a vehicle, Vehicle Scanning Method for Bridges is an excellent resource for researchers and engineers working in civil engineering, including bridge engineering and structural health monitoring.

Preface ix
Acknowledgments xiii
1 Introduction
1(24)
1.1 Modal Properties of Bridges
1(2)
1.2 Basic Concept of the Vehicle Scanning Method
3(2)
1.2.1 Bridge Frequency Extraction
3(1)
1.2.2 Bridge Mode Shapes Construction
4(1)
1.3 Brief on the Works Conducted by Yang and Co-Workers
5(2)
1.4 Works Done by Researchers Worldwide
7(15)
1.4.1 Theoretical Analysis and Simulation
8(8)
1.4.2 Laboratory Test
16(4)
1.4.3 Field Investigation
20(2)
1.5 Concluding Remarks
22(3)
2 Vehicle Scanning of Bridge Frequencies: Simple Theory
25(26)
2.1 Introduction
25(2)
2.2 Formulation of the Analytical Theory
27(1)
2.3 Single-Mode Analytical Solution
28(6)
2.4 Condition of Resonance
34(5)
2.5 Simulation by the Finite Element Method (FEM)
39(2)
2.6 Verification of Accuracy of Analytical Solutions
41(1)
2.7 Extraction of Fundamental Frequency of Bridge
42(7)
2.7.1 Effect of Moving Speed of the Vehicle
46(1)
2.7.2 Condition of Resonance
46(2)
2.7.3 Effect of Damping of the Bridge
48(1)
2.7 A Effect of a Vehicle Traveling over a Stiffer Bridge
49(1)
2.8 Concluding Remarks
50(1)
3 Vehicle Scanning of Bridge Frequencies: General Theory
51(20)
3.1 Introduction
51(2)
3.2 Physical Modeling and Formulation
53(2)
3.3 Dynamic Response of the Beam
55(7)
3.3.1 Beam's Response to a Single Moving Vehicle
58(3)
3.3.2 Beam's Response to Five Moving Vehicles
61(1)
3.4 Dynamic Response of the Moving Vehicle
62(4)
3.5 Numerical Verification
66(3)
3.6 Concluding Remarks
69(2)
4 Vehicle Scanning of Bridge Frequencies: Experiment
71(20)
4.1 Introduction
71(1)
4.2 Objective of This
Chapter
72(1)
4.3 Description of the Test Bridge
73(1)
4.4 Description of the Test Vehicle
73(2)
4.5 Instrumentation
75(1)
4.6 Testing Plan
75(2)
4.7 Eigenvalue Analysis Results
77(1)
4.8 Experimental Results
77(9)
4.8.1 Ambient Vibration Test
77(1)
4.8.2 Vehicle Characteristics Test
78(1)
4.8.3 Bridge Response to the Moving Truck
79(2)
4.8.4 Response of the Test Cart Resting on the Bridge to the Moving Truck
81(2)
4.8.5 Response of the Moving Test Cart with No Ongoing Traffic
83(2)
4.8.6 Response of the Moving Test Cart with Ongoing Traffic
85(1)
4.9 Comparing the Measured Results with Numerical Results
86(1)
4.10 Concluding Remarks
87(4)
5 EMD-Enhanced Vehicle Scanning of Bridge Frequencies
91(24)
5.1 Introduction
91(2)
5.2 Analytical Formulation of the Problem
93(3)
5.3 Finite Element Simulation of the Problem
96(1)
5.4 Empirical Mode Decomposition
97(2)
5.5 Extraction of Bridge Frequencies by Numerical Simulation
99(6)
5.5.1 Example 1: Single Moving Vehicle
101(1)
5.5.2 Example 2: Five Sequential Moving Vehicles
102(3)
5.5.3 Example 3: Five Random Moving Vehicles
105(1)
5.6 Experimental Studies
105(9)
5.7 Concluding Remarks
114(1)
6 Effect of Road Roughness on Extraction of Bridge Frequencies
115(22)
6.1 Introduction
115(1)
6.2 Simulation of Roughness Profiles
116(1)
6.3 Simulation of Bridges with Rough Surface
117(1)
6.4 Effect of Road Roughness on Vehicle Response
118(4)
6.4.1 Case 1: Vehicle Frequency Less than Any Bridge Frequencies
119(1)
6.4.2 Case 2: Vehicle Frequency Greater than the First Bridge Frequency
119(3)
6.5 Vehicle Responses Induced by Separate Excitational Sources
122(1)
6.6 Closed-Form Solution of Vehicle Response Considering Road Roughness
122(5)
6.7 Reducing the Impact of Road Roughness by Using Two Connected Vehicles
127(4)
6.8 Numerical Studies
131(4)
6.8.1 Example
1. Two Identical Vehicles Moving over the Bridge of Class A Roughness
131(1)
6.8.2 Example
2. Two Identical Vehicles Moving over the Bridge of Class C Roughness
131(1)
6.8.3 Example
3. Two Vehicles of Identical Frequency but Different Properties
132(1)
6.8.4 Effect of Vehicle Spacing on Identification of Bridge Frequencies
133(2)
6.9 Concluding Remarks
135(2)
7 Filtering Technique for Eliminating the Effect of Road Roughness
137(16)
7.1 Introduction
137(1)
7.2 Numerical Simulations for Vehicle Responses
138(3)
7.3 Filtering Techniques
141(4)
7.3.1 Band-Pass Filter (BPF)/Band-Stop Filter (BSF)
141(1)
7.3.2 Singular Spectrum Analysis (SSA)
142(2)
7.3.3 Singular Spectrum Analysis with Band-Pass Filter (SSA-BPF)
144(1)
7.4 Case Studies
145(6)
7.4.1 Case 1: Vehicle Frequency Smaller than First Bridge Frequency
145(3)
7.4.2 Case 2: Vehicle Frequency Greater than First Bridge Frequency
148(3)
7.5 Concluding Remarks
151(2)
8 Hand-Drawn Cart Used to Measure Bridge Frequencies
153(22)
8.1 Introduction
153(3)
8.2 Dynamic Properties of the Hand-Drawn Test Cart
156(1)
8.3 Basic Dynamic Tests for the Test Cart
157(5)
8.4 Field Tests
162(11)
8.4.1 Effect of Cart Weight
163(2)
8.4.2 Effect of Various Traveling Speeds
165(5)
8.4.3 Various Volumes of Existing Traffic Flows
170(3)
8.5 Concluding Remarks
173(2)
9 Theory for Retrieving Bridge Mode Shapes
175(620)
9.1 Introduction
175(1)
9.2 Hilbert Transformation
176(1)
9.3 Theoretical Formulation
177(4)
9.4 Algorithms and Constraints
181(604)
9.5 Case Studies
785(8)
9.5.1 Test Vehicle Passing through a Bridge with Smooth Road Surface
186(1)
9.5.2 Effect of Vehicle Speed
187(3)
9.5.3 Test Vehicle Traveling along with Random Traffic
190(1)
9.5.4 Effect of Road Surface Roughness
190(3)
9.6 Concluding Remarks
193(2)
10 Contact-Point Response for Modal Identification of Bridges
195(1)
10.1 Introduction
195(2)
10.2 Theoretical Formulation
197(1)
10.2.1 Dynamic Response of the Vehicle-Bridge Contact Point
198(1)
10.2.2 Dynamic Response of the Moving Vehicle
199(2)
10.2.3 Procedure for Calculating the Contact-Point Response in a Field Test
201(1)
10.2.4 Relationship Between the Contact-Point and Vehicle Responses
201(3)
10.3 Finite Element Simulation of VBI Problems
204(2)
10.3.1 Brief on VBI Element
204(1)
10.3.2 Verification of the Theoretical Solution
205(1)
10.4 Retrieval of Bridge Frequencies
206(2)
10.5 Retrieval of Bridge Mode Shapes
208(4)
10.5.1 Effect of Moving Speed
209(1)
10.5.2 Effect of Vehicle Frequency
210(2)
10.6 Effect of Road Roughness
212(3)
10.6.1 Bridge with Rough Surface Free of Existing Traffic
212(2)
10.6.2 Bridge with Rough Surface under Existing Traffic
214(1)
10.7 Concluding Remarks
215(2)
11 Damage Detection of Bridges Using the Contact-Point Response
217(20)
11.1 Introduction
217(2)
11.2 Dynamic Response of the Vehicle-Bridge System
219(8)
11.2.1 Contact-Point Response: Analytical Solution
220(1)
11.2.2 Contact-Point Response: For Use in Field Test
220(1)
11.3 Algorithm for Damage Detection
221(1)
11.3.1 Hilbert Transformation
221(1)
11.3.2 Strategy for Damage Detection
221(3)
11.4 Finite Element Simulation of the Problem
223(2)
11.4.1 Damage Element for Beams
223(1)
11.4.2 Brief on Vehicle-Bridge Interaction (VBI) Element Used
224(1)
11.5 Detection of Damages on a Beam
225(3)
11.5.1 Detection of Damage Location on the Beam
225(1)
11.5.2 Detection of Damage Severity
226(2)
11.5.3 Detection of Multiple Damages
228(1)
11.6 Parametric Study
228(6)
11.6.1 Effect of Test Vehicle Speed
229(1)
11.6.2 Effect of Measurement Noise
229(1)
11.6.3 Bridge with Rough Surface Free of Random Traffic
230(2)
11.6.4 Bridge with Rough Surface under Random Traffic
232(2)
11.7 Concluding Remarks
234(3)
Appendix: Finite Element Simulation 237(10)
References 247(12)
Author Index 259(6)
Subject Index 265
YEONG-BIN YANG, PHD, is Honorary Dean of Civil Engineering, Chongqing University in China, Feng Tay Chair Professor of National Yunlin University of Science and Technology (YunTech), and Professor Emeritus of National Taiwan University (NTU) in Taiwan. He is a member of the Chinese Academy of Engineering, Austrian Academy of Sciences, and EU Academy of Sciences. Also, he is an Editor-in-Chief of the International Journal of Structural Stability and Dynamics, President of the Asian-Pacific Association of Computational Mechanics (APACM), and Chairman of the East Asia-Pacific Conference on Structural Engineering and Construction (EASEC).

JUDY P. YANG, PHD, is an Associate Professor in the Dept. of Civil Engineering, National Chiao Tung University, Taiwan.

BIN ZHANG is a PhD student in the School of Civil Engineering, Chongqing University in China.

YUNTIAN WU, PHD, is a Professor in the School of Civil Engineering, Chongqing University, China.
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