Initial Analytical Investigation of Cantilever and Butterfly Steel Overhead Sign Trusses with Respect to Remaining Fatigue Life
| 项目名称： | Initial Analytical Investigation of Cantilever and Butterfly Steel Overhead Sign Trusses with Respect to Remaining Fatigue Life |
| 摘要： | The objective of this study is to evaluate an estimate of the remaining life in cantilever and butterfly steel overhead sign trusses based on American Association of State Highway and Transportation Officials (AASHTO) Load and Resistance Factor Design (LRFD) specifications and to develop automated C# software that performs the following: (1) Utilizes the Kansas wind speed database established during the earlier project (KSU-17-4) by extending it to every county in the state of Kansas. (2) Computes the equivalent static wind loading for the fatigue analysis based on the galloping-induced cyclic loads, natural wind gust pressure and truck-induced gust pressure. (3) Develops an interface to model cantilever and butterfly sign trusses in STAAD Pro. (4) Drives STAAD Pro to analyze the various types of overhead sign trusses and generates the stress ranges corresponding to every structural component. (5) Evaluates the remaining fatigue life for each steel component based on the damage accumulation accounted for through ratios of actual to ultimate cycle repetitions (Minor rule). |
| 状态： | Active |
| 资金： | $60,090 |
| 资助组织： | Kansas Department of Transportation |
| 项目负责人： | Peterson, Karen |
| 执行机构： | Kansas State University Transportation Center |
| 开始时间： | 20190811 |
| 预计完成日期： | 20211115 |
| 主题领域： | Bridges and other structures；Design；Environment；Highways；Maintenance and Preservation；Operations and Traffic Management |
相关文献
- Probabilistic Wind Speed Model for Local Data at All Counties in Kansas
- Initial Analytical Investigation of Overhead Sign Trusses with Respect to Remaining Fatigue Life and Predictive Methods for Inspection
- Analytical Investigation of Saddle Connections for Overhead Sign Trusses with Respect to Strength and Fatigue Performance
- Dynamic Performance of Cantilevered Sign Trusses for Fatigue
- Determination of Overhead Sign Truss Sign Support Coupler Connection Fatigue Life
- Design of Overhead Structures for Fatigue Loads
检索历史
应用推荐
