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Automated Vertical Clearance Measurement during Photolog Operations; Rept. for Jul 98-Sep 00. (Final)
| 题名： | Automated Vertical Clearance Measurement during Photolog Operations; Rept. for Jul 98-Sep 00. (Final) |
| 作者： | Lauzon, R. G. |
| 关键词： | Photologging; Ground clearances; Sensors; Underpasses; Field tests; Bridges; Sign supports; Technical specification; Data collection; Prototypes; Recommendations; Connecticut |
| 摘要： | A request for overhead clearance information from Department personnel involved with the permitting of oversize/overweight vehicles, and the discovery of a prototype device developed by the FHWA, prompted a proposal to incorporate this type of data collection into the existing photolog activities. This report summarizes the testing of the prototype device, the assembly and use of a new device, and the results of limited field testing. Data for several bridges and cantilevered overhead sign structures are presented. Observations are made as to the comparison of the data to clearance diagrams created by bridge safety inspectors. Conclusions based on these observations are presented and recommendations are made for further study. |
| 总页数： | 40p |
| 报告类型： | 科技报告 |
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