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In site monitoring of wave-induced pore pressure of silt in Chengdao sea area of Yellow River Estuary
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Xing Du1, 2, Yongfu Sun1, 2, *, Yupeng Song1, 2, Xiaolong Zhao1, 2, Qikun Zhou1, 2
Haiyang Xuebao | 2019, 41(7) : 116 - 122
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Haiyang Xuebao | 2019, 41(7): 116-122
• Marine Geology •
In site monitoring of wave-induced pore pressure of silt in Chengdao sea area of Yellow River Estuary
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Xing Du1, 2, Yongfu Sun1, 2, *, Yupeng Song1, 2, Xiaolong Zhao1, 2, Qikun Zhou1, 2
Affiliations
  • 1 First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
  • 2 Laboratory for Marine Geology and Environment, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266235, China
Published: 2019-07-25 doi: 10.3969/j.issn.0253-4193.2019.07.010
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Variation of pore pressure between soil particles, which caused by the cyclic loading from waves to seabed, is the main reason for soil liquefaction. By using a self-designed pore pressure monitoring equipment, we monitored pore pressure with a long-period, high-precision way in the easy-liquefied zone in Chengdao sea area of Yellow River Estuary. The monitoring results show that the maximum wave-affected depth is between 0.5 m to 1.5 m and no obvious pore pressure response in the deeper sediment during this period. Pore pressure variation in soil is mainly determined by tide level and wave height. Tide level changes can result in smooth change in pore pressure but can not cause the emergence of excess pore pressure while wave height changes can result in severe oscillation in pore pressure and lead to the appearance of excess pore pressure.

Chengdao sea area  /  wave-induced pore pressure  /  pore pressure monitoring  /  silt liquefaction
Xing Du, Yongfu Sun, Yupeng Song, Xiaolong Zhao, Qikun Zhou. In site monitoring of wave-induced pore pressure of silt in Chengdao sea area of Yellow River Estuary[J]. Haiyang Xuebao, 2019 , 41 (7) : 116 -122 . DOI: 10.3969/j.issn.0253-4193.2019.07.010
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Year 2019 volume 41 Issue 7
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Article Info
doi: 10.3969/j.issn.0253-4193.2019.07.010
  • Receive Date：2018-07-02
  • Online Date：2026-04-02
  • Published：2019-07-25
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History
  • Received：2018-07-02
  • Revised：2018-08-31
Funding
Affiliations
    1 First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
    2 Laboratory for Marine Geology and Environment, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266235, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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