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E-raamat: Seismic Performance of Asymmetric Building Structures

(Shenyang Jianzhu University, P.R. China), (Western Sydney University, Australia), (Western Sydney University, Australia), (Shenyang University of Technology, China)
  • Formaat: 254 pages
  • Ilmumisaeg: 07-May-2020
  • Kirjastus: CRC Press
  • Keel: eng
  • ISBN-13: 9781000043099
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Seismic Performance of Asymmetric Building StructuresSuurem pilt
  • Formaat: 254 pages
  • Ilmumisaeg: 07-May-2020
  • Kirjastus: CRC Press
  • Keel: eng
  • ISBN-13: 9781000043099
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"This book presents detailed investigations on the effective assessment of structural seismic response under excessive torsional vibrations, demonstrating behavioural aspects from a local response perspective to global seismic demands. The work provides comprehensive analytical, computational, experimental investigations, and proposes improved design guidelines that structural engineers can utilize to enhance the seismic design of asymmetric building structures. Seismic Performance of Asymmetric BuildingStructures combines extensive experimental and numerical data for seismic performance assessment with a particular focus on asymmetric building structures, and includes an overview of asymmetric building structures from a seismic damage perspective local and global performance assessment of asymmetric structures under extreme seismic actions Post-earthquake damage evaluation from varying frequency trends extended numerical applications for experimental response validations evaluation of critical regions of asymmetric structures with stress concentration Statistical distribution of seismic response under varying design parameters design guidelines for asymmetric building structures This book is highly recommended for its comprehensive evaluations that have been carried out with modern sensing techniques planned with meticulous attention to cover its objectives with a particular focus on asymmetry in reinforced concrete and steel structures. It includes assessment of various aspects of asymmetric building structures that can rarely be found in the current literature. It gathers fruitful information from various building design codes and explains their limitations in addressing damage-related challenges, which is useful not only for practicing engineers but also for the research community. This book covers extensive features of asymmetric building structures and effective design guidelines comprehensively and in detail. As such, it will be invaluable for experts, researchers, students, and practitioners in various relevant fields, as well as for emergency preparedness managers"--

Seismic Performance of Asymmetric Building Structures presents detailed investigations on the effective assessment of structural seismic response under excessive torsional vibrations, demonstrating behavioural aspects from local response perspective to global seismic demands. The work provides comprehensive analytical, computational, experimental investigations, and proposes improved design guidelines that structural engineers can utilize to enhance the seismic design of asymmetric building structures.

Combining extensive experimental and numerical data stock for seismic performance assessment with a particular focus on asymmetric building structures, the book includes:

• An overview of asymmetric building structures from seismic damage perspective
• Local and global performance assessment of asymmetric structures under extreme seismic actions
• Post-earthquake damage evaluation from varying frequency trends
• Extended numerical applications for experimental response validations
• Evaluation of critical regions of asymmetric structure with stress concentration
• Statistical distribution of seismic response under varying design parameters
• Design guidelines for asymmetric building structures

This work's comprehensive evaluations are carried out with modern sensing techniques planned with meticulous attention to cover objectives with a particular focus on asymmetry in reinforced concrete and steel structures. It assesses various aspects of asymmetric building structures that are rarely dealt with in the current literature. It gathers fruitful information from various building design codes and explains their limitations in addressing damage-related challenges, which is not only useful for practicing engineers but also for academics.

The book will be invaluable for experts, researchers, students and practitioners from relevant areas, as well as for emergency preparedness managers.

List of figures
ix
List of tables
xiii
Acknowledgments xv
List of abbreviations
xvii
Principal notations xix
1 Introduction to the seismic performance of asymmetric building structures
1(10)
1.1 Introduction and background
1(4)
1.2 Challenges addressed in this book
5(1)
1.3 Objectives of this book
6(1)
1.4 Methodology adopted to address the described challenges
6(2)
1.4.1 Experimental work
7(1)
1.4.2 Numerical investigation
8(1)
1.5 Outline of the work
8(3)
2 A review of research on design guidelines and seismic performance of asymmetric building structures
11(18)
2.1 Introduction
11(1)
2.2 Research on single-story asymmetric structures
11(3)
2.3 Research on multi-story asymmetric structures
14(1)
2.4 Research based on development of analysis procedure for asymmetric structures
15(1)
2.5 Experimental work on asymmetric structures
16(1)
2.6 Seismic design provisions for asymmetric structures
17(2)
2.7 Influence of seismic excitation characteristics
19(1)
2.8 Research based on damage/failure assessment of asymmetric structures
20(8)
2.8.1 Damage in plan-asymmetric structures
20(2)
2.8.2 Damage in vertical-asymmetric structures
22(3)
2.8.3 Damage assessment based on shake table testing
25(1)
2.8.4 Applications of FBG strain sensors for damage assessment
26(1)
2.8.5 Research gap in terms of damage assessment in asymmetric structures
26(1)
2.8.6 Research gap in terms of global behavior of asymmetric structures
27(1)
2.9 Summary
28(1)
3 Experimental strategy and seismic loading program
29(27)
3.1 Introduction
29(1)
3.2 Experimental models
30(5)
3.2.1 RC model: C-1
31(1)
3.2.2 Steel model: S-1
32(1)
3.2.3 Steel model: S-2
32(1)
3.2.4 Steel model: S-3
33(1)
3.2.5 Steel model: S-4
34(1)
3.3 Eccentricity variation in the experimental models
35(2)
3.3.1 Variation of floor eccentricity in RC model
35(1)
3.3.2 Variation of eccentricity in steel models
35(2)
3.4 Design of the experimental models
37(4)
3.4.1 Design of RC model
40(1)
3.4.2 Design of steel models
41(1)
3.5 Material and geometric details of the experimental models
41(3)
3.5.1 Material and geometric details of RC model
41(2)
3.5.2 Material and geometric details of steel models
43(1)
3.6 Instrumentation of experimental models
44(8)
3.6.1 Instruments used in RC model
44(4)
3.6.2 Instruments used in steel models
48(4)
3.7 Input excitations
52(3)
3.7.1 Input excitations for RC model
52(2)
3.7.2 Input excitations for steel models
54(1)
3.8 Summary
55(1)
4 Damage response investigation in asymmetric structures
56(33)
4.1 Introduction
56(1)
4.2 Contribution of this chapter to knowledge
56(1)
4.3 Fiber Bragg grating sensing principle
57(2)
4.4 Damage characteristics and its measurements
59(5)
4.4.1 Physical damage characteristics of RC model
59(3)
4.4.2 Damage simulation in steel models
62(2)
4.5 Local deformation concentration at FS and SS
64(13)
4.5.1 Local response in RC model
64(1)
4.5.1.1 Elastic response at FS
64(1)
4.5.1.2 Micro-cracking response at FS
65(1)
4.5.1.3 Inelastic response at FS
65(1)
4.5.1.4 Elastic and inelastic response at SS
65(2)
4.5.2 Damage simulation in steel models
67(10)
4.6 Damage investigation in terms of residual strains in RC model
77(8)
4.6.1 Initial strain consideration
81(1)
4.6.2 Discussion on the formation of plastic hinges in RC model
81(2)
4.6.3 Damage correlation with the dynamic characteristics of RC model
83(2)
4.7 Summary
85(4)
4.7.1 Summary of the physical damage in RC model
85(1)
4.7.2 Damage simulation in steel models
86(3)
5 Numerical evaluation of complex local behavior
89(18)
5.1 Introduction
89(1)
5.2 Contribution of this chapter to knowledge
89(1)
5.3 FBG sensors under consideration
90(1)
5.4 Behavior of local response under progressive seismic excitation
90(4)
5.4.1 Behavior of local response in the elastic state
91(1)
5.4.2 Behavior of local response at internal micro-cracking state
92(1)
5.4.3 Behavior of local response in the inelastic state
93(1)
5.5 Damage in terms of residual strain and variation in the dynamic properties
94(2)
5.5.1 Correlation with varying dynamic properties
94(1)
5.5.2 Damage at FS in terms of residual strain
95(1)
5.6 Finite element modeling of RC model
96(8)
5.6.1 Development of the FE model
99(2)
5.6.2 Numerical response validation
101(3)
5.7 Comparison of numerical response at FS and SS
104(1)
5.8 Summary
105(2)
6 Global seismic behavior of asymmetric building structures
107(28)
6.1 Introduction
107(1)
6.2 Contribution of this chapter to knowledge
107(1)
6.3 Dynamic acceleration response
108(12)
6.3.1 Elastic and inelastic acceleration response of RC model
108(1)
6.3.2 Acceleration response of bi-eccentric S-1 model
109(2)
6.3.3 Acceleration response of mono-eccentric S-1 model
111(3)
6.3.4 Acceleration response of S-2 model
114(2)
6.3.5 Acceleration response of S-3 model
116(2)
6.3.6 Acceleration response of S-4 model
118(2)
6.4 Deformation response
120(6)
6.4.1 Deformation response of RC model
120(2)
6.4.2 Angular drift response of steel models
122(4)
6.5 Discussion on the global damage behavior
126(5)
6.5.1 Global behavior of RC model
126(3)
6.5.2 Correlating dynamic properties of RC model with global response
129(1)
6.5.3 Discussion on the global response of steel models
130(1)
6.6 Summary
131(4)
6.6.1 Global behavior of C-l model under torsional vibrations
132(1)
6.6.2 Global behavior of S-l model under torsional vibrations
133(1)
6.6.3 Global behavior of S-2 model under torsional vibrations
134(1)
6.6.4 Global behavior of S-3 model under torsional vibrations
134(1)
6.6.5 Global behavior of S-4 model under torsional vibrations
134(1)
7 Influence of design parameters on the statistical distribution of structural response
135(22)
7.1 Introduction
135(1)
7.2 Contribution of this chapter to knowledge
135(1)
7.3 Varying orientations of seismic excitations
136(6)
7.4 Validation of numerical model with experimental and theoretical results
142(3)
7.5 Errors in theoretical and simulated results
145(1)
7.6 Response under varying orientations
146(3)
7.7 Is there any need to consider various orientations of seismic excitation?
149(4)
7.8 Statistical distribution of structural response under varied orientations
153(2)
7.9 Summary
155(2)
8 Seismic design guidelines for asymmetric structures
157(18)
8.1 Introduction
157(1)
8.2 Contribution of this chapter to knowledge
158(1)
8.3 Description of the utilized parameters of irregular structures
158(2)
8.4 Design guidelines
160(14)
8.5 Summary
174(1)
9 Conclusions
175(2)
9.1 Local damage behavior of asymmetric structures
175(1)
9.2 Global behavior of asymmetric structures
176(1)
References 177(12)
Appendix A Local response of RC model 189(2)
Appendix B Local response of steel models 191(30)
Appendix C Global behavior of steel models 221
Chunwei Zhang obtained his PhD degree from Harbin Institute of Technology in 2005. From 2005 to 2007, he was a research associate in Harbin Institute of Technology; From 2007 to 2010 he was an Assistant Professor at Harbin Institute of Technology. From 2010 to 2015, he was a senior lecturer at Western Sydney University. He is currently a Professor at Qingdao University of Technology and Director of the Structural Vibration Control group. He has also served as the Secretary-general for the Young Researcher's Forum at the 14th World Conference on Earthquake Engineering, and as committee member of the Dynamics and Control Division of American Society of Civil Engineer (ASCE). He has been in charge of and has participated in several major research programs, including general projects from National Science Foundation of China (NSFC), Key Technology R&D and 863 discovery and 973 major fundamental programs from Ministry of Science and Technology of China as well as industry grants etc. He was also the external assessor for National Science Foundation of China. His research interests include structural control, blast resistance and protective engineering. He has been awarded the first grade prize for Science and Technology Progress in 2009 by China Ministry of Education, and the Japan Society of Seismic Isolation (JSSI) award in 2004, and the best paper award for the eleventh international symposium on Structural Engineering.

Zeshan Alam obtained his Bachelors Degree in 2010 from the University of Engineering and Technology, Peshawar, Pakistan and his Masters degree in Structural Engineering in 2012 from the National University of Sciences and Technology, Pakistan. He is currently a PhD candidate at the Centre for Infrastructure Engineering at Western Sydney University, Australia and a visiting research fellow at Qingdao University of Technology, China. His research interests are Earthquake Engineering and Structural Dynamics, Structural health monitoring and Performance assessment of asymmetric structures.

Li Sun obtained her PhD degree in 2006 from Dalian University of Technology. She is currently a Professor at the School of Civil Engineering, Shenyang Jianzhu University, China. Her research interests are structural health monitoring, damage identification and applications of intelligent materials in civil engineering.

Bijan Samali obtained his PhD degree in 1984 from George Washington University, USA. He is currently the Director of Centre for Infrastructure Engineering at Western Sydney University, Australia. Prior to joining Western Sydney University, Professor Samali held a Personal Chair in Structural Engineering at UTS since 1999. He is the author or co-author of over 500 scholarly publications (including over 150 journal publications), on a wide range of topics in the areas of structural engineering, structural dynamics, vibration and motion control, wind and earthquake engineering, bridge engineering, damage detection and health monitoring of structures including keynote addresses and invited papers. More recently, he has also focused on concrete technology and pavement engineering with particular emphasis on developing new, green and sustainable concrete and pavements with superior properties including geopolymer and self-compacting concrete. He has also been involved with several major projects as a specialist consultant over the years.
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