Physical and Mechanical Characteristics of Seabed Sediment Microstructure in the Northern Shelf of the South China Sea |
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| Authors: | Bo Lu Ganxian Li |
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| Institution: |
a Open Laboratory of Marginal Sea Geology and Paleoenvironment, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, P.R. China. |
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| Abstract: | In the present work, the scanning electron-microscopic observations, electronprobing (energy spectrum) analyses and the analyses of physico-mechanical parmeters have been made for the sediments from two areas of the South China Sea Shelf (i.e., the sea area off the Pearl River mouth and the sea area to the south of Hainan Island); the relaion between the microstructures and the geotechnical (engineering) properties of the shelf seabed sediments has been investigated. Results of analyses reveal the diversity of the micro-structures of sediment and lead to a preliminary micro-structures classification. According to the packing and interconnecting (mutual cotacting) styles of sediment grains, the structure of pores and based on the physical and mechanical parameters, it is possible to comprehensively assess the engineering property of the microenvironments of marine sediments. |
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| Keywords: | The Northern Shelf Of South China Sea Sediment Micro-structure Sediment Physical And Mechanical Parameter The Scanning Electron-microscopic Observation |
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