| 致谢 | 第5-6页 |
| 摘要 | 第6-8页 |
| ABSTRACT | 第8-9页 |
| CHAPTER Ⅰ INTRODUCTION | 第13-23页 |
| 1.1 BACKGROUND AND MOTIVATION | 第13-20页 |
| 1.1.1 Uncertainties of extreme wind load effect coefficient | 第15-17页 |
| 1.1.2 Probabilistic estimation of extreme wind load effects with consideration uncertaintyand directionality | 第17-20页 |
| 1.2 OBJECTIVES AND SCOPE OF THE RESEARCH | 第20-23页 |
| CHAPTER Ⅱ TURBULENCE UNCERTAINTY AND ITS EFFECTS ON DYNAMIC WINDPRESSURE CHARACTERISTICS | 第23-45页 |
| 2.1 INTRODUCTION | 第23-25页 |
| 2.2 WIND TUNNEL EXPERIMENTS | 第25-26页 |
| 2.3 GENERAL CHARACTERISTICS OF DYNAMIC PRESSURE COEFFICIENTS | 第26-33页 |
| 2.4 THE PROBABILITY DISTRIBUTIONS AND PEAK FACTORS OF NON-GAUSSIAN PRESSURECOEFFICIENTS | 第33-37页 |
| 2.5 PRESSURE CHARACTERISTICS IN VARIOUS TURBULENT FLOWS | 第37-44页 |
| 2.5.1 Effect of mean wind speed profile | 第37-38页 |
| 2.5.2 Effect of turbulence intensity | 第38-39页 |
| 2.5.3 Effect of integral length scale | 第39-40页 |
| 2.5.4 Influence of low-frequency turbulence | 第40-44页 |
| 2.6 CONCLUSION | 第44-45页 |
| CHAPTER Ⅲ PROBABILISTIC ESTIMATION OF WIND LOAD EFFECT COEFFICIENTSBY MOMENT-BASED HERMITE MODEL | 第45-75页 |
| 3.1 INTRODUCTION | 第45-47页 |
| 3.2 ESTIMATION OF EXTREME VALUE DISTRIBUTION THROUGH MOMENT-BASED TRANSLATIONMODEL | 第47-49页 |
| 3.3 PERFORMANCE OF MOMENT-BASED HERMITE MODEL | 第49-54页 |
| 3.3.1 Effects of skewness and kurtosis on peak factor | 第49-52页 |
| 3.3.2 Applications to non-Gaussian wind pressures | 第52-54页 |
| 3.4 A NEW MOMENT-BASED TRANSLATION MODEL AND ITS PERFORMANCE | 第54-72页 |
| 3.4.1 A moment-based translation model with newly defined statistical moments | 第54-56页 |
| 3.4.2 The performance of newly proposed translation model | 第56-72页 |
| 3.5 CONCLUSION | 第72-75页 |
| CHAPTER Ⅳ SAMPLING ERRORS IN PROBABILISTIC ESTIMATION OFNON-GAUSSIAN WIND LOAD EFFECTS BY MOMENT BASEDTRANSLATION PROCESS METHOD | 第75-99页 |
| 4.1 INTRODUCTION | 第75-76页 |
| 4.2 ESTIMATION OF EXTREME VALUE DISTRIBUTION THROUGH TRANSLATION PROCESS THEORY | 第76-77页 |
| 4.2.1 Translation process theory and moment-based Hermite model | 第76页 |
| 4.2.2 PDF-based method with 3-parameter Gamma distribution | 第76-77页 |
| 4.3 A NEW STRATEGY FOR PDF-BASED METHOD WITH 3-PARAMETER GAMMA DISTRIBUTION | 第77-82页 |
| 4.3.1 Sensitivity of peak factor to skewness and kurtosis | 第77-79页 |
| 4.3.2 Anew strategy for estimating parameters of 3-parameter Gamma distribution | 第79-80页 |
| 4.3.3 Validation | 第80-82页 |
| 4.4 ESTIMATION OF SAMPLING ERRORS OF PEAK FACTOR | 第82-85页 |
| 4.5 APPLICATION TO NON-GAUSSIAN WIND PRESSURES ON A SADDLE TYPE ROOF | 第85-96页 |
| 4.5.1 Non-Gaussian processes with a kurtosis larger than 3 | 第85-93页 |
| 4.5.2 Non-Gaussian processes with a kurtosis smaller than 3 | 第93-95页 |
| 4.5.3 Influence of sample duration | 第95-96页 |
| 4.6. CONCLUSION | 第96-99页 |
| CHAPTER Ⅴ PROBABILISTIC ESTIMATION OF MULTIPLE LIMIT STATE RESPONSESAND SYSTEM RELIABILITY AGAINST WIND LOADING | 第99-125页 |
| 5.1 INTRODUCTION | 第99-100页 |
| 5.2 METHODOLOGY | 第100-104页 |
| 5.2.1 Probability distribution of a yearly maximum wind load effect | 第101-102页 |
| 5.2.2 Joint probability distribution of multiple yearly maximum wind load effects | 第102-103页 |
| 5.2.3. Joint probability distribution of multiple extremes by Gaussian Copula | 第103-104页 |
| 5.3 PROBABILISTIC EXTREME WIND RESPONSE OF CLADDINGS ON A SADDLE TYPE ROOF | 第104-123页 |
| 5.3.1 Directional extreme wind speed model | 第104-108页 |
| 5.3.2 Directional extreme wind load effect coefficients | 第108-113页 |
| 5.3.3 Estimation of probabilistic single screw internal force with directionality effect | 第113-120页 |
| 5.3.4 Estimation of probabilistic multiple limit state responses with directionality effect | 第120-123页 |
| 5.4 CONCLUSION | 第123-125页 |
| CHAPTER Ⅵ CONCLUSIONS AND RECOMMENDATIONS | 第125-131页 |
| 6.1 CONCLUSIONS | 第125-128页 |
| 6.1.1 Turbulence uncertainty and the effects on the wind pressure on a saddle type roof | 第125-126页 |
| 6.1.2 Probabilistic estimation of non-Gaussian extreme wind load effect coefficients bymoment-based Hermite model | 第126-127页 |
| 6.1.3 Analytical method for sampling error estimation in probability distribution ofnon-Gaussian extreme wind load effect coefficients by moment-based Hermite model | 第127页 |
| 6.1.4 Probabilistic estimation of extreme wind load effects with consideration uncertaintyand directionality | 第127-128页 |
| 6.2 RECOMMENDATIONS FOR FUTURE WORK | 第128-131页 |
| 6.2.1 Turbulence effects on bluff body aerodynamics | 第128-129页 |
| 6.2.2 Study on PDF of non-Gaussian processes | 第129页 |
| 6.2.3 Probabilistic estimation of multiple limit sates responses | 第129页 |
| 6.2.4 Reliability of structures against non-stationary winds | 第129-131页 |
| 参考文献 | 第131-139页 |
| 附录A | 第139-141页 |
| 附录B | 第141-143页 |
| 作者简历及攻读博士学位期间取得的研究成果 | 第143-147页 |
| 学位论文数据集 | 第147页 |
