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Scour Development around Large-Diameter Monopiles in Cohesive Soils: Evidence from the Field
| 题名： | Scour Development around Large-Diameter Monopiles in Cohesive Soils: Evidence from the Field |
| 其他题名： | ABPmer Ltd.(2010)."A further review of sediment monitoring data."Project Ref.ScourSed-09,commissioned by COWRIE Ltd.,Southampton,U.K.,115. |
| 正文语种： | 英文 |
| 作者： | John M. Harris |
| 关键词： | development；measurement；mechanica；environmental；supplement；soil；install；diameter；serial；information |
| 摘要： | Despite the progress in scour research over the last three decades, seabed scour development in cohesive and nonuniform soils is still an area of great uncertainty and remains a challenge for designing structurally efficient and effective foundations in the offshore marine environment. The uncertainty is made greater by the timescale required for scouring and effects, such as sediment abrasion, pile installation impacts, and operationally and environmentally induced dynamic motions. The rapid growth in offshore wind, particularly in European waters, has led to a requirement for estimates for scour development in such soils. This becomes very pertinent for large-volume serial installation of foundations, such as those required for offshore wind farm developments, given that there is a limit to the amount of detailed geotechnical information that can be collected as part of a project, and soil erosion testing is not standard. There is a reliance in geotechnical data, such as undrained shear strength, derived from cone penetration tests, supplemented with borehole data collected at a limited number of locations across the wind farm site combined with laboratory analysis of soil samples. This paper reviews the present evidence from both field and laboratorymeasurements of scour potential and looks at possible approaches for determining scour magnitude in cohesive soils including hydraulic and mechanical effects. |
| 出版年： | 2017 |
| 论文唯一标识： | P-108Y2017V143N05015 |
| 英文栏目名称： | TECHNICAL PAPERS |
| doi： | 10.1061/(ASCE)WW.1943-5460.0000414 |
| 期刊名称： | Journal of Waterway, Port, Coastal, and Ocean Engineering |
| 拼音刊名(出版物代码)： | P-108 |
| 卷： | 143 |
| 期： | 05 |
| 页码： | 166-183 |
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