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| Author | : J. A. Puckett |
| Publisher | : |
| Total Pages | : 228 |
| Release | : 1989 |
| Genre | : |
| ISBN | : |
| Author | : J. A. Puckett |
| Publisher | : |
| Total Pages | : 196 |
| Release | : 1990 |
| Genre | : Pavements |
| ISBN | : |
| Author | : Wyoming. State Highway Commission |
| Publisher | : |
| Total Pages | : 58 |
| Release | : 1989 |
| Genre | : Roads |
| ISBN | : |
| Author | : Donald Woodrow White |
| Publisher | : |
| Total Pages | : 238 |
| Release | : 1993 |
| Genre | : |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 1182 |
| Release | : 199? |
| Genre | : |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 1006 |
| Release | : 1994 |
| Genre | : Highway engineering |
| ISBN | : |
| Author | : Library of Congress. Exchange and Gift Division |
| Publisher | : |
| Total Pages | : 788 |
| Release | : 1992 |
| Genre | : State government publications |
| ISBN | : |
| Author | : Transportation Commission of Wyoming |
| Publisher | : |
| Total Pages | : 62 |
| Release | : 1990 |
| Genre | : Roads |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 8 |
| Release | : 1990 |
| Genre | : |
| ISBN | : 9780921303145 |
A methodology for the evaluation of overload vehicles is developed. First, a formula has been developed which relates axle weights and spacings to the maximum permissible load. This formula was calibrated using AASHTO girder-line analyses of 104 typical structures with twenty overload and design vehicles. The resulting data was used to develop rating formulae which yield ratings with known level of conservatism with respect to current rating practice. Secondly, an automated approach is being developed based on a graphical information system (GIS) that links truck, route, and structure data to perform ratings of all structures along a requested route. This analysis is based on influence line data generated by girder-line analysis combined with AASHTO rating procedures (BRASS-girder). This aspect of the rating approach, however, is presently being implemented and is not described in detail. For the covering abstract of the Conference see IRRD Abstract No. 807839.
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 1998 |
| Genre | : Bridges |
| ISBN | : |
The Motor Carrier Division (MCD) of the Texas Department of Transportation (TxDOT) typically issues more than 45,000 permits each month for oversize and/or overweight vehicles. The current procedure for attending permit requests for superheavy vehicles is entirely manual and requires hundreds of man-hours. This report documents the efforts to implement a procedure for the automated route evaluation for overweight/oversize vehicles. The procedure uses a network representation of the On-system roads according to TxDOT base maps to identify bridges on the vehicle's route. The bridges' adequacy, in terms of clearances and weight restrictions, are evaluated. The weight capacities of the bridges are determined according to Texas Administrative Code requirements and/or through Bridge Load Formulae. Description of the operation of the system for routing, as well as for bridge management applications are included.
