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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 歐昱辰 | zh_TW |
| dc.contributor.advisor | Yu-Chen Ou | en |
| dc.contributor.author | 留明誠 | zh_TW |
| dc.contributor.author | John Victor Juvida Lau | en |
| dc.date.accessioned | 2023-01-10T17:28:05Z | - |
| dc.date.available | 2023-11-09 | - |
| dc.date.copyright | 2023-01-10 | - |
| dc.date.issued | 2022 | - |
| dc.date.submitted | 2002-01-01 | - |
| dc.identifier.citation | A. Nilson, D. Darwin and C. Dolan, Design of Concrete Structures, 14th ed., New York: McGraw-Hill, 2010, p. 795.
J. Wight and J. MacGregor, Reinforced Concrete Mechanics and Design, 6th ed., Upper Saddle River, New Jersey: Pearson Education, 2012, p. 1157. ACI Committee 318, Building Code Requirement for Structural Concrete (ACI 318-19) and Commentary (ACI318R-19), Farmington Hills, Michigan: American Concrete Institute, 2019, p. 503. Caltrans BDS, Bridge Design Specifications, Sacramento, California: California Department of Transportation, 2003, pp. 8-1 to 8-58. S. Y.-L. Yin, T.-L. Wu, T. C. Liu, S. A. Sheikh and R. Wang, "Interlocking Spiral Confinement for Rectangular Columns," ACI Concrete International, vol. 33, no. 12, pp. 38-45, 2011. S. Y.-L. Yin, J.-C. Wang and P.-H. Wang, "Development of Multi-Spiral Confinements in Rectangular Columns for Construction Automation," Journal of the Chinese Institute of Engineers, vol. 35, no. 3, pp. 309-320, 2012. M. Kuo, Axial Compression Tests and Optimization Study of 5-Spiral Rectangular RC Columns, National Chiao Tung University, 2008. K. Lin, Seismic Cyclic Loading Test of Full-Scale Reinforced Concrete Columns Confined with 5-Spirals, National Chiao Tung University, 2008. S.-H. Ngo and Y.-C. Ou, "Expected Maximum Moment of Multi-spiral Columns," Engineering Structures, vol. 249, 2021. H. Tanaka and J. Park, "Seismic Design and Behavior of Reinforced Concrete Columns with Interlocking Spirals," ACI Structural Journal, vol. 90, no. 2, pp. 192-203, 1993. D. I. McLean and G. C. Buckingham, "Seismic Performance of Bridge Columns with Interlocking Spiral Reinforcement," Washington State Transportation Center, Washington, 1994. J.-K. Kim and C.-K. Park, "The Behaviour of Concrete Columns with Interlocking Spirals," Engineering Structures, vol. 21, pp. 945-953, 1999. G. Benzoni, N. M. Priestley and F. Seible, "Seismic Shear Strength of Columns with Interlocking Spiral Reinforcement," in 12th World Conference on Earthquake Engineering, Auckland, New Zealand, 2000. G. Benzoni, O. Takeshi, M. J. N. Priestley and F. Seible, "Seismic Performance of Circular Reinforced Concrete Columns under Varying Axial Load," in Fourth Annual Seismic Research Workshop, Sacramento, CA, USA, 1996. K. Kawashima, S.-i. Fujikura and G. Shoji, "Seismic Performance of Bridge Columns with Interlocking Ties," Implications of Recent Earthquakes on Seismic Risk, pp. 177-187, 2000. J. F. Correal, M. S. Saiidi, D. Sanders and S. El-Azazy, "Shake Table Studies of Bridge Columns with Double Interlocking Spirals," ACI Structural Journal, vol. 104, no. 4, pp. 393-401, 2007. K. Kawashima, "Enhancement of Flexural Ductility of Reinforced Concrete Bridge Columns," in In: First International Conference on Urban Earthquake Engineering, Tokyo Institute of Technology, Tokyo, Japan, 2004. T. Matsumoto, E. Okstad, K. Kawashima and S. A. Mahin, "Seismic Performance of Rectangular Columns and Interlocking Spiral Columns," in The 14th World Conference on Earthquake Engineering, Beijing, China, 2008. Q. Li and A. Belarbi, "Seismic Behavior of RC Columns with Interlocking Spirals under Combined Loadings Including Torsion," Procedia Engineering, vol. 14, pp. 1281-1291, 2011. T.-L. Wu, Y.-C. Ou, S. Y.-L. Yin, P.-H. Wang, J.-C. Wang and S.-H. Ngo, "Behavior of Oblong and Rectangular Bridge Columns with Conventional Tie and Multi-Spiral Transverse Reinforcement under Combined Axial and Flexural Loads," Journal of the Chinese Institute of Engineers, vol. 36, no. 8, pp. 980-993, 2013. Y.-C. Ou, S.-H. Ngo, S. Y. Yin, J.-C. Wang and P.-H. Wang, "Shear Behavior of Oblong Bridge Columns with Innovative Seven-Spiral Transverse Reinforcement," ACI Structural Journal, vol. 111, no. 6, pp. 1339-1350, 2014. Y.-C. Ou, H. Roh, S.-H. Ngo and J.-C. Wang, "Seismic Performance of Concrete Columns with Innovative Seven- and Eleven-Spiral Reinforcement," ACI Structural Journal, vol. 112, no. 5, pp. 579-592, 2015. Y.-C. Ou and S.-H. Ngo, "Discrete Shear Strength of Two- and Seven-Circular-Hoop and Spiral Transverse Reinforcement," ACI Structural Journal, vol. 113, no. 2, pp. 227-238, 2016. Y.-C. Ou and S.-H. Ngo, "Discrete Computational Shear Strength Models for 5-, 6-, and 11-Circular-Hoop and Spiral Transverse Reinforcement," Advances in Structural Engineering, vol. 19, no. 1, pp. 23-37, 2016. P.-H. Wang, K.-C. Chang, S. Y.-L. Yin, J.-C. Wang and Y.-C. Ou, "Simplified Finite-Element Analysis Method for Axial Compression Behavior of Rectangular Concrete Columns with Interlocking Multispiral Reinforcements," Journal of Structural Engineering, vol. 146, no. 1, 2020. P. Havlásek, Z. Bittnar, B. Li, J. Lau and Y.-C. Ou, "Interaction diagram for columns with multispiral reinforcement: Experimental data vs. blind prediction using CDPM2," in Euro-C 2022: Computational Modelling of Concrete and Concrete Structures, Vienna, Austria, 2022. Y.-C. Ou, J.-Y. Li and H. Roh, "Shear Strength of Reinforced Concrete Columns with Five-spiral Reinforcement," Engineering Structures, vol. 233, 2021. Caltrans SDC, Seismic Design Criteria version 2.0, Sacramento, CA, USA, California: California Department of Transportation, 2019. J. B. Mander, M. J. N. Priestley and R. Park, "Theoretical Stress-Strain Model for Confined Concrete," J. Struct. Eng., vol. 114, no. 8, pp. 1804-1826, 1988. J. B. Mander, M. J. N. Priestley and R. Park, "Seismic Design of Bridge Piers. Research Report 84-2," Department of Civil Engineering, University of Canterbury, Christchurch, New Zealand, 1984. M. E. Rodriguez, J. C. Botero and J. Villa, "Cyclic Stress-Strain Behavior of Reinforcing Steel including Effect of Buckling," Journal of Structural Engineering, vol. 125, no. 6, pp. 605-612, 1999. R. P. Dhakal and K. Maekawa, "Path-Dependent Cyclic Stress-Strain Relationship of Reinforcing Bar including Buckling," Engineering Structures, vol. 24, no. 11, pp. 1383-1396, 2002. A. B. Chadwell and R. A. Imbsen, "XTRACT: A Tool for Axial Force-Ultimate Curvature Interactions," in Structures Congress, ASCE, Nashville, TN, USA, 2004. CPAMI, Design Specifications for Reinforced Concrete Structures, Taiwan: Construction and Planning Agency, Ministry of the Interior, 2019. A. Chopra, Dynamics of Structures: Theory and Applications to Earthquake Engineering, Upper Saddle River, New Jersey: Prentice Hall Inc., 1995. AASHTO, LRFD Bridge Design Specifications, Washington DC: American Association of State Highway and Transportation Officials, 2017. Caltrans SDC, Seismic Design Criteria version 2.0, Sacramento, California: California Department of Transportation, 2019. | - |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/83227 | - |
| dc.description.abstract | Multi-spiral transverse reinforced columns have been shown to outperform conventional rectilinear tie reinforced columns in seismic performance. This thesis intends to examine the flexural behavior of multi-spiral reinforced columns, particularly, the five-spiral transverse reinforcement for square columns. In the first phase, a method to determine the flexural capacity of five-spiral reinforced columns, which considers the confinement effect of the five-spirals, was introduced. Five small-scale columns were tested under increasing eccentric axial loading to validate the predicted axial-moment interaction of the five-spiral reinforced columns. In the second phase, large-scale flexure-critical five-spiral columns and equivalent conventional rectilinear tied columns were tested under low (0.1fca'Ag) and high (0.3fca'Ag) constant axial loads and subjected to double-curvature lateral cyclic loading. Test results showed that the five-spiral reinforced columns obtained higher flexural strength, superior ductility, larger drift capacity, and better equivalent damping ratios than counterpart conventional rectilinear tie reinforced columns, despite having 16% to 29% less transverse reinforcement. In addition, it was shown that code-based calculations of nominal moment strength can conservatively estimate the actual moment strength of five-spiral reinforced columns. On the other hand, among the existing code-based methods used in calculating the expected maximum moment of five-spiral columns, the Caltrans SDC 2019 method provided the most accurate prediction of the maximum flexural strength, followed by the AASHTO 2017 method, then the ACI 318-19 method. It was noted, however, that all three methods were not able to fully capture the superior confinement effect provided by the five-spiral reinforcement. | zh_TW |
| dc.description.abstract | Multi-spiral transverse reinforced columns have been shown to outperform conventional rectilinear tie reinforced columns in seismic performance. This thesis intends to examine the flexural behavior of multi-spiral reinforced columns, particularly, the five-spiral transverse reinforcement for square columns. In the first phase, a method to determine the flexural capacity of five-spiral reinforced columns, which considers the confinement effect of the five-spirals, was introduced. Five small-scale columns were tested under increasing eccentric axial loading to validate the predicted axial-moment interaction of the five-spiral reinforced columns. In the second phase, large-scale flexure-critical five-spiral columns and equivalent conventional rectilinear tied columns were tested under low (0.1fca'Ag) and high (0.3fca'Ag) constant axial loads and subjected to double-curvature lateral cyclic loading. Test results showed that the five-spiral reinforced columns obtained higher flexural strength, superior ductility, larger drift capacity, and better equivalent damping ratios than counterpart conventional rectilinear tie reinforced columns, despite having 16% to 29% less transverse reinforcement. In addition, it was shown that code-based calculations of nominal moment strength can conservatively estimate the actual moment strength of five-spiral reinforced columns. On the other hand, among the existing code-based methods used in calculating the expected maximum moment of five-spiral columns, the Caltrans SDC 2019 method provided the most accurate prediction of the maximum flexural strength, followed by the AASHTO 2017 method, then the ACI 318-19 method. It was noted, however, that all three methods were not able to fully capture the superior confinement effect provided by the five-spiral reinforcement. | en |
| dc.description.provenance | Submitted by admin ntu (admin@lib.ntu.edu.tw) on 2023-01-10T17:28:05Z No. of bitstreams: 0 | en |
| dc.description.provenance | Made available in DSpace on 2023-01-10T17:28:05Z (GMT). No. of bitstreams: 0 | en |
| dc.description.tableofcontents | TABLE OF CONTENTS
ACKNOWLEDGEMENT ii ABSTRACT iii TABLE OF CONTENTS iv LIST OF FIGURES vii LIST OF TABLES ix 1. INTRODUCTION 1 1.1. Background 1 1.2. Objectives 2 1.3. Outline 3 2. LITERATURE REVIEW 5 2.1. Interlocking Spirals 5 2.1.1. Tanaka and Park, 1993 5 2.1.2. McLean and Buckingham, 1994 6 2.1.3. Kim and Park, 1999 6 2.1.4. Benzoni et al., 1996 and 2000 7 2.1.5. Kawashima et al., 2000 7 2.1.6. Correal et al., 2007 8 2.1.7. Others 9 2.2. Expanded Multi-spiral Configuration 9 2.2.1. Yin et al., 2011 and 2012 9 2.2.2. Wu et al., 2013 10 2.2.3. Ou et al., 2014 and 2015 11 2.2.4. Others 12 2.3. Five-spiral Configuration 12 2.3.1. Ou et al., 2021 12 2.3.2. Ngo and Ou, 2021 14 3. PHASE I: FLEXURAL CAPACITY OF FIVE-SPIRAL COLUMNS 16 3.1. Design Equation 16 3.1.1. Stress-Strain Model for Concrete 17 3.1.2. Stress-Strain Model for Reinforcement 22 3.1.3. Moment-Curvature Analysis 24 3.2. Experimental Program 24 3.2.1. Specimen Design 25 3.2.2. Test Setup 27 3.3. Damage Process 28 3.3.1. Column MS0 29 3.3.2. Column MS5 30 3.3.3. Column MS10 32 3.3.4. Column MS15 33 3.3.5. Column MS20 35 3.3.6. Experiment result summary 37 3.4. Conclusion 39 4. PHASE II: FLEXURAL BEHAVIOR OF FIVE-SPIRAL COLUMNS 40 4.1. Experimental Program 40 4.1.1. Specimen design 40 4.1.2. Test setup 44 4.2. Damage Process 45 4.2.1. Column R1F and Y1F 45 4.2.2. Column R1F and Y1F 46 4.2.3. Column Y1FL 48 4.3. Hysteretic Behavior 49 4.4. Strain Response of Transverse Reinforcement 53 4.5. Curvature Distribution 54 4.6. Energy Dissipation and Axial Deformation 56 5. FLEXURAL STRENGTH ANALYSIS 59 5.1. Comparison with existing code methods 60 5.1.1. ACI 318-19 61 5.1.2. AASHTO 2017 62 5.1.3. Caltrans SDC 2019 64 6. SUMMARY AND CONCLUSION 66 REFERENCES 68 APPENDIX A – Phase I: MDFC Stress-Strain Models 73 APPENDIX B – Phase I: Cross-sectional Analysis (Xtract) 84 APPENDIX C – Phase I: Experiment Images 92 APPENDIX D – Phase II: Cross-sectional Analysis for Nominal Moment Strength (spColumn) 117 APPENDIX E – Phase II: Cross-sectional Analysis using ACI 318-19 Method (spColumn) 132 APPENDIX F – Phase II: Cross-sectional Analysis using AASHTO 2017 Method (spColumn) 138 APPENDIX G – Phase II: Cross-sectional Analysis using Caltrans SDC 2019 Method (Xtract) 150 APPENDIX H – Phase II: Experiment Images 183 | - |
| dc.language.iso | en | - |
| dc.title | 五螺箍筋柱反覆載重撓曲與偏心軸壓行為 | zh_TW |
| dc.title | Flexural Behavior of Reinforced Concrete Columns with Five-Spiral Reinforcement Under Cyclic and Eccentric Axial Loading | en |
| dc.title.alternative | Flexural Behavior of Reinforced Concrete Columns with Five-Spiral Reinforcement Under Cyclic and Eccentric Axial Loading | - |
| dc.type | Thesis | - |
| dc.date.schoolyear | 110-2 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.oralexamcommittee | 李宏仁;洪崇展 | zh_TW |
| dc.contributor.oralexamcommittee | Hung-Jen Lee;Chung-Chan Hung | en |
| dc.subject.keyword | 五螺箍,撓曲行為,偏心軸向負載,往復載重,地震,柱, | zh_TW |
| dc.subject.keyword | five-spiral reinforcement,flexural behavior,eccentric-axial loading,cyclic loading,seismic,column, | en |
| dc.relation.page | 294 | - |
| dc.identifier.doi | 10.6342/NTU202203975 | - |
| dc.rights.note | 同意授權(限校園內公開) | - |
| dc.date.accepted | 2022-09-26 | - |
| dc.contributor.author-college | 工學院 | - |
| dc.contributor.author-dept | 土木工程學系 | - |
| 顯示於系所單位： | 土木工程學系 | |
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