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Minmin Jiang, Zhao Lu, Zhengyin Cai and Guangming Xu
This study investigates the monotonic and cyclic performance of composite bucket foundation breakwater in clay through centrifuge modeling. The application of monotonic loads simulates extreme wave conditions, and cyclic load corresponds to long-term ser...
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Mintaek Yoo and Sun Yong Kwon
Liquefaction caused by long-term cyclic loads in loose saturated soil can lead to ground subsidence and superstructure failures. To address this issue, this study aimed to emulate the liquefaction phenomenon based on a shaking table test while especially...
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Ling Fan, Zhize Xun and Shuquan Peng
Based on an improvement project of soft soil ground in Zhuhai City on the Pearl River Delta, a comparative study on vacuum preloading and surcharge preloading was performed. The ground and stratified settlements, excess pore water pressure, and the degre...
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Jiangfeng Dong, Jishang Xu, Guangxue Li, Anlong Li, Shaotong Zhang, Jianwei Niu, Xingyu Xu and Lindong Wu
Seabed liquefaction and sediment resuspension under wave loading are key issues in marine engineering, but are usually regarded as independent processes (instead of coexisting and interacting processes). Here, we analyzed random wave-induced seabed lique...
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Meiyun Tang, Yonggang Jia, Shaotong Zhang, Chenxi Wang and Hanlu Liu
The silty seabed in the Yellow River Delta (YRD) is exposed to deposition, liquefaction, and reconsolidation repeatedly, during which seepage flows are crucial to the seabed strength. In extreme cases, seepage flows could cause seepage failure (SF) in th...
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Tao Liu, Yueyue Lu, Lei Zhou, Xiuqing Yang and Lei Guo
Hydrate decomposition is an important potential cause of marine geological disasters. It is of great significance to understand the dynamic relationship between hydrate reservoir system and the overlying seabed damage caused by its decomposition. The pur...
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Qingyun Yuan, Chencong Liao and Xianglian Zhou
Mat foundations are widely used in jack-up offshore platforms to support and transfer loads. Regarding mat foundations working on the seabed, the excess wave-induced pore pressure is critical to seabed stability, which may finally cause structural failur...
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Lindung Zalbuin Mase
Pág. 57 - 69
This paper presents one dimensional non-linear site response analysis of liquefaction potential caused by the 2000 and the 2007 earthquakes in coastal area of Bengkulu City, Bengkulu, Indonesia. Site investigations, including Standard Penetration Test (S...
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Lindung Zalbuin Mase
Pág. 79 - 85
During the 2006 Yogyakarta earthquake, liquefactions were massively found in Opak River, Yogyakarta, Indonesia. Learning from those events, an experimental study of liquefaction using shaking table was performed, especially to investigate the effect of s...
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Vipman Tandjiria
Pág. pp. 73 - 80
This study presents the development of the finite difference method applied to consolidation analysis of embankments. To analyse the consolidation of the embankment as real as possible, the finite difference method in two dimensional directions was perfo...
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Hui Li, Xuguang Chen, Cun Hu, Shuqing Wang and Jinzhong Liu
A suction anchor is an appealing anchoring solution for floating production. However, the possible effects of residual pore pressure can be rarely found any report so far in term of the research and design. In this study, the residual pore pressure distr...
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Prasad B. Kerkar, Kristine Horvat, Devinder Mahajan and Keith W. Jones
Methane hydrate formation and dissociation kinetics were investigated in seawater-saturated consolidated Ottawa sand-pack under sub-seafloor conditions to study the influence of effective pressure on formation and dissociation kinetics. To simulate a sub...
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He Wang, Rui Wang and Jian-Min Zhang
Suction caissons are widely used foundations in offshore engineering. The change in excess pore pressure and seepage field caused by penetration and suction significantly affects the soil resistance around the caisson wall and tip, and also affects the d...
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Zhongnian Yang, Yongmao Zhu, Tao Liu, Zhongqiang Sun, Xianzhang Ling and Yuqian Zheng
To investigate the vertical migration response of fine sediments, the pore pressure response of the silty seabed under the action of waves was tested. Under the action of waves, there is an obvious pumping phenomenon in the sludge accumulated by pore pre...
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Song-Hun Chong
Soil consolidation as the dissipation of excess pore water pressure is mainly affected by the relative hydraulic conductivity among the layers. Geostatistical parameters such as the mean, the standard deviation, and the correlation length are physical in...
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Jinzhong Dou, Jinjian Chen, Chencong Liao, Min Sun and Lei Han
In saturated fine-grained soil, the development and dissipation of excess pore water pressure (EPWP) during and after pile jacking change the effective stress of the surrounding soil, and thereby affect the pile set-up. In this paper, the entire process ...
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Xiaorui Wang, Xu Liu, Yunhong Lin and Fei Tan
Small curved metro shield tunnels located in fine sand layers are sensitive to the response of horizontal and vertical cyclic loads from train operations, especially for centrifugal horizontal loads. The majority of Zhengzhou?s strata are dominated by th...
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Xiuhai Wang, Chaoqi Zhu and Hongjun Liu
Geological disasters of seabed instability are widely distributed in the Yellow River Delta, posing a serious threat to the safety of offshore oil platforms and submarine pipelines. Waves act as one of the main factors causing the frequent occurrence of ...
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Tianyi Fang, Guojun Liu, Guanlin Ye, Shang Pan, Haibin Shi and Lulu Zhang
The bottom-supported foundation is the most important component of offshore platforms, as it provides the major support to the upper structure. The buoyancy of the bottom-supported foundation is a critical issue in platform design because it counteracts ...
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Yiliang Yu, Xiaohua Bao, Zhipeng Liu and Xiangsheng Chen
Piles, which are always exposed to dynamic loads, are widely used in offshore structures. The dynamic response of the pile-soil-superstructure system in liquefiable soils is complicated, and the interaction between the pile and soil and the pile volume e...
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