| Friction Characteristics at the Pipe-Soil Interface |
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| 作者单位： | Yan Shuwang Yan Chi Professor，Department of Hydraulic Engineering，Tianjin University，Tianjin 300072 Lecturer，Department of Hydraulic Engineering，Tianjin University，Tianjin 300072 |
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| 摘 要： | -In order to analyze the stability of pipelines on the sea bed, the friction characteristics at the pipe-soil interface were examined by means of special direct shear tests. High density polythene was used as the surface of the pipe, which is a widely-utilized material for the outer cover of the pipe to prevent sea water corrosion. Sands of different gradings were tested. The reconstituted soft clay taken from the Bohai area was consolidated to different degrees of consolidation by the vacuum preloading technique, and tested.
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Friction Characteristics at the Pipe-Soil Interface |
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| Authors: | Yan Shuwang Yan Chi Professor |
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| Institution: | Yan Shuwang Yan Chi Professor,Department of Hydraulic Engineering,Tianjin University,Tianjin 300072 Lecturer,Department of Hydraulic Engineering,Tianjin University,Tianjin 300072 |
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| Abstract: | -In order to analyze the stability of pipelines on the sea bed, the friction characteristics at the pipe-soil interface were examined by means of special direct shear tests. High density polythene was used as the surface of the pipe, which is a widely-utilized material for the outer cover of the pipe to prevent sea water corrosion. Sands of different gradings were tested. The reconstituted soft clay taken from the Bohai area was consolidated to different degrees of consolidation by the vacuum preloading technique, and tested. |
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| Keywords: | soil pipeline interface friction sand soft clay |
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