Simplified Approximation of Wave-Induced Liquefaction in a Shallow Porous Seabed

Zhen Guo; D.-S. Jeng; Wei Guo

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Simplified Approximation of Wave-Induced Liquefaction in a Shallow Porous Seabed

机译：浅孔海底波致液化的简化近似

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In this paper, a simplified assessment method for the wave-induced liquefied depth in a shallow seabed is proposed. By introducing a weighting factor, both the oscillatory and residual pore pressures were considered in the liquefaction criteria. Normalized charts were presented for a quick and simple evaluation of the maximum liquefied depth as a function of wave and soil parameters. Finally, parametric analyses were performed to clarify the applicable range of this criterion. It is found that the increases of relative density and consolidation coefficient will obviously enhance the influence of the oscillatory pore pressure on the liquefaction of a shallow seabed, as well as reduce the liquefaction potential.

机译：本文提出了一种浅层海床波浪诱发液化深度的简化评估方法。通过引入一个加权因子，在液化标准中考虑了振荡和残余孔隙压力。提出了归一化图表，以快速，简单地评估最大液化深度随波浪和土壤参数的变化。最后，进行参数分析以阐明该标准的适用范围。发现相对密度和固结系数的增加将明显增加振荡孔隙压力对浅海海床液化的影响，并降低液化潜力。

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来源
《International journal of geomechanics》 |2014年第4期|06014008.1-06014008.5|共5页
作者
Zhen Guo; D.-S. Jeng; Wei Guo;
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作者单位

College of Civil Engineering and Architecture, Zhejiang Univ., Hangzhou, Zhejiang 310058, China;

Griffith School of Engineering, Griffith Univ., Gold Coast Campus, Queensland, QLD 4222, Australia;

National Engineering Laboratory for High Speed Railway Construction, School of Civil Engineenng, Central South Univ., Changsha, Hunan 410075, China;

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正文语种 eng
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关键词
Wave-induced pore pressure; Oscillatory mechanism; Residual mechanism; Weighting factor; Liquefied depth;

机译：波引起的孔隙压力;振荡机制;残留机制;加权因子;液化深度;

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1. A simplified quasi-static analysis of wave-induced residual liquefaction of seabed around an immersed tunnel [J] . Weiyun Chen, Di Fang, Guoxing Chen, Ocean Engineering . 2018,第JANa15期

机译：波浪作用下沉管隧道周围海床残余液化的简化准静态分析
2. Prediction of maximum wave-induced liquefaction in porous seabed using multi-artificial neural network model [J] . Daeho (Fred) Cha, Hong Zhang, Michael Blumenstein Ocean Engineering . 2011,第7期

机译：基于多人工神经网络模型的多孔海床最大波致液化预测
3. An integrated three-dimensional model for wave-induced seabed response in a porous seabed. Ⅰ. A sloping seabed [J] . H. Zhang, D.-S. Jeng Ocean Engineering . 2005,第5a6期

机译：多孔海床中波浪诱发海床响应的集成三维模型。 Ⅰ。倾斜的海底
4. Evaluation of Wave-induced Liquefaction in a Porous Seabed: Using an Artificial Neural Network and aGenetic Algorithm -based model [C] . Daeho (Fred) Cha, Dong-Sheng Jeng, Michael Blumenstein, The proceedings of the sixteenth (2006) international offshore and polar engineering conference (ISOPE-2006 San Francisco) . 2006

机译：多孔海床中波浪引起的液化的评估：使用人工神经网络和基于遗传算法的模型
5. A strain-based procedure to screen for wave-induced pore pressure generation in the seabed. [D] . Julian, Anthony. 2013

机译：一种基于应变的程序，用于筛选海床中波浪引起的孔隙压力的产生。
6. An Analysis of Polynomial Chaos Approximations for Modeling Single-Fluid-Phase Flow in Porous Medium Systems [O] . C.P. Rupert, C.T. Miller -1

机译：建模的多项式混沌逼近分析多孔介质系统中的单相流
7. Accurate prediction of wave-induced seabed liquefaction at shallow depths using multi-artificial neural networks [O] . Zhang Hong, Blumenstein Michael, Jeng D. 2009

机译：利用多人工神经网络准确预测波浪引起的浅层海底液化
8. Wave-induced Mine Burial into Seabed; Part 1: Cohesionless Seabed in Cyclic Liquefaction State. [R] . Nogami, T., Dasari, G. R., Lin, P. 2001

机译：波浪引发的埋藏入海床;第1部分：循环液化状态下的无粘性海床。

Simplified Approximation of Wave-Induced Liquefaction in a Shallow Porous Seabed

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