NDLI: Experimental research on the marine hydrodynamic action on the consolidation process of the sediments in the Yellow River Estuary

Content Provider	Springer Nature Link
Author	Yang, Xiu juan Jia, Yong gang Li, Xiang ran Shan, Hong xian
Copyright Year	2011
Abstract	Based on the in-situ measurements, the impact of the marine hydrodynamics, such as wave and tide, in the rapidly deposited sediments consolidation process was studied. In the tide flat of Diaokou delta-lobe, one 2 m×1m×1 m test pit was excavated. The seabed soils were dug and dehydrated, and then the powder of the soil was mixed with seawater to be fluid sediments. And an iron plate covered part of the test pit to cut off the effect of the marine hydrodynamics. By field-testing methods, like static cone penetration test (SPT) and vane shear test (VST), the variation of strength is measured as a function of time, and the marine hydrodynamics impact on the consolidation process of the sediments in the Yellow River estuary was studied. It is shown that the self-consolidated sediments’ strength linearly increases with the depth. In the consolidation process, in the initial, marine hydrodynamics play a decisive role, about 1.5 times as much as self-consolidated in raising the strength of the sea-bed soils, and with the extension of the depth the role of the hydrodynamics is reduced. In the continuation of the consolidation process, the trend of the surface sediments increased-strength gradually slows down under the water dynamics, while the sediments below 50 cm are in opposite ways. As a result, the rapidly deposited silt presents a nonuniform consolidation state, and the crust gradually forms. The results have been referenced in studying the role of the hydrodynamics in the soil consolidation process.
Starting Page	149
Ending Page	157
Page Count	9
File Format	PDF
ISSN	08905487
Journal	China Ocean Engineering
Volume Number	25
Issue Number	1
Language	English
Publisher	Chinese Ocean Engineering Society
Publisher Date	2011-04-02
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Yellow River estuary seabed soil marine hydrodynamics consolidation process Marine & Freshwater Sciences Offshore Engineering Numerical and Computational Physics Fluid- and Aerodynamics Oceanography Coastal Sciences
Content Type	Text
Resource Type	Article
Subject	Oceanography Ocean Engineering Renewable Energy, Sustainability and the Environment Mechanical Engineering

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