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Site Selection and Collection of Bridge-Scour Data in Delaware, Maryland, and Virginia; Water resources investigation
| 题名： | Site Selection and Collection of Bridge-Scour Data in Delaware, Maryland, and Virginia; Water resources investigation |
| 作者： | Hayes, D. C. |
| 关键词： | Delaware; Maryland; Virginia; Highway bridges; Stream erosion; Bed load; Suspended sediments; Sediment load; Particle size; Streambeds; Flood flow; Site surveys |
| 摘要： | The report describes the procedures that were developed to select bridge-scour sites and the procedures used to measure bridge scour and associated characteristics at bridges in Delaware, Maryland, and Virginia, as part of a National program to improve bridge-scour predictive equations. Criteria were developed to select sites where bridge-scour data could be collected under a variety of conditions. In addition, background characteristics necessary for analysis of scour are listed, and procedures for collecting bed-material samples were developed. Equipment and procedures for defining streambed profiles and velocities were developed for measuring bridge scour during floods. |
| 总页数： | 29p |
| 报告类型： | 科技报告 |
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