Estimating Joint Probabilities of Design Coincident Flows at Stream Confluences
| 项目名称： | Estimating Joint Probabilities of Design Coincident Flows at Stream Confluences |
| 摘要： | Highway drainage structures often are located near the confluence of two streams where they may be subject to inundation by high flows from either stream. Highway drainage structures usually are designed to meet specified performance objectives for floods to equal or less than a specified magnitude stated as a return period (e.g. the 100-year flood). Because areas adjacent to the confluence of streams can be flooded by either stream, the probability of recurrence for a given high-water elevation at the confluence, known as the joint probability, is produced by a combination of the flood-probability relationships for both of the streams. The objectives of this research are to: a) develop a practical procedure for determination of joint probabilities of design peak flows at stream confluences that is applicable to both stream confluences and to storm drain systems tributary to larger natural streams, b) develop practical guidelines for applying the procedure, and c) develop accompanying computer software, if necessary, for practical and efficient application of the procedure. |
| 状态： | Completed |
| 资金： | 378058.00 |
| 资助组织： | Federal Highway Administration<==>American Association of State Highway & Transportation Officials (AASHTO)<==>National Cooperative Highway Research Program |
| 项目负责人： | Reynaud, David A |
| 执行机构： | Kilgore Consulting and Management |
| 开始时间： | 20060511 |
| 实际结束时间： | 20101031 |
| 主题领域： | Bridges and other structures；Design；Highways；Hydraulics and Hydrology；I30: Materials |
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