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Impact of Bridge Ratings on the Timber Transportation Industry.
| 题名： | Impact of Bridge Ratings on the Timber Transportation Industry. |
| 作者： | Banister, M. A.; Oliva, M. G. |
| 关键词： | Bridges; Commercial Vehicles; Design; Deteroration; Economic Analysis; Forest Products Industry; Load Factors; Logging Trucks; Ratings; Shear Properties; Structural Timber; Transportation Industry; Wi |
| 摘要： | The logging industry plays an important role in the State of Wisconsin's economy. Additionally, the condition of some of Wisconsins bridges, as well as the state of our nation's bridges, is deteriorated due to lack of funding for replacement. As a result of this, bridges are being load posted which prohibits travel over them by many commercial vehicles. One industry in particular that is of interest to this project is the forest products/timber industry, but Wisconsin's dairy industry is also extensively affected. As a result of the load posting, hauling routes are longer due to detours and it is costing the timber industry more money to haul raw timber. The purpose of this project was to investigate the current load ratings of bridges and look at the effects that logging vehicles have on single span bridges. Following these analyses, solutions to help alleviate some of the challenges the timber industry is experiencing due to load posted bridges were examined. Currently, bridges in Wisconsin are load rated based on specified unique design vehicles such has the HS20. This project looked into how the moment and shear effects of logging trucks compared to the effects of common design and State vehicles. |
| 报告类型： | 科技报告 |
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