最后，利用该模型从土体结构破坏的角度解释了砂土液化的过程和现象。
Finally, by means of this model, the process and phenomena of the soil liquefaction is explained in the light of soil frame failure.
论述了场地地震效应的表现形式，影响砂土液化的主要因素和砂土液化危害的主要特点。
The characteristics of site seismic effect, the mainly factors of liquefied sandy soil and its dangers are discussed in the paper.
结合振动挤密碎石桩公路工程中的应用实例，介绍了振动挤密碎石桩抵抗砂土液化的原理、性能和设计方法。
Combined with the construction practice, the paper introduced the principle, performance and design method of the liquefaction of vibrating sand compaction pile.
由于影响砂土液化的因素太多，而且许多的判别条件不容易获取，应用模糊理论判别砂土液化是比较合理的方法。
Because there are many impact factors, and some judgment conditions are not easy to obtain, the application of Fuzzy theory to distinguish sandy soil liquefaction is a fairly reasonable approach.
探讨了地震力作用下饱和砂土的液化机理，分析了影响饱和砂土液化的各种因素，并提出了防止砂土液化的一些措施。
This paper discusses liquefaction mechanism of saturated sand affected by earthquake force, analyzes various influence factors, then put forward some measures to prevent sand liquefaction.
探讨了地震力作用下饱和砂土的液化机理，分析了影响饱和砂土液化的各种因素，并提出了防止砂土液化的一些措施。
In this paper the recent advances in liquefaction mechanism research, liquefaction dynamic analysis and liquefaction distinguishing method of sands are reviewed.
分析了黄河冲积平原区饱和砂土液化的影响因素，并介绍了在黄河冲积平原区处理砂土液化的方法之一—振冲法的应用。
Influential factors of liquefaction of saturated sand in alluvial plain of Yellow River are analyzed, then one of the anti-liquefaction methods, vibroflotation, is introduced.
通过研究砂土液化的主要影响因子，建立了砂土液化的灰色综合评判理论模型，并成功地将该理论模型应用于实际工程中。
In this paper, a theoretical model for grey synthetic evaluation of seismic liquefaction of sands is established based on exploration of main factors which have great influence upon liquefaction.
通过对盘锦部分地区的调查工作和地层情况总结，判断出盘锦地区地质灾害种类有砂土液化、软土触变、咸水入侵。
According to the geology surveying in Panjin area, it is judged out that the sand liquefaction and soft soil thixotropy, saline water corrode are the geologic hazards might happened in this area.
强烈地震波的传播及砂土液化是造成地下管线发生破坏的两类原因。
The propagation of violent earthquake wave and sand liquefaction are two reasons to make underground pipeline damage.
埋藏较浅的砂土会发生液化。
首先介绍了应用剪切波速判别饱和砂土振动液化的原理；
Principle of saturated sand cyclic liquefaction evaluation by shear wave velocity is presented.
介绍利用MATLAB神经网络工具箱训练BP网络的方法及其在砂土震动液化评价中的应用，取得了良好的效果。
The method of BP neural network based on MATLAB is introduced. It is applied to the evaluation of the sandy soil seismic liquefaction with satisfactory results.
液化的范围是有限的，因而振冲时砂土液化不会造成坝坡坍滑。
The range of liquefaction is limited so that sand liquefaction does not cause slide failure during vibroflotation.
对海底饱和砂土发生液化时，埋于其中的管道运动规律进行了探讨，利用振动台上进行了模型试验。
The movement manner of pipeline buried under saturated sandy soil is studied, when soil is liquefied, by making model test using vibration bench.
距离判别分析理论是解决砂土液化预测问题的有效方法之一，可以在实际工程中进行推广。
It was shown that the present method was efficient in solving the prediction of sand liquefaction and could be applied to practical engineering.
目前各种砂土液化判别方法均尚不成熟，尤其在对埋深较大的砂层液化的判别上存在着较大的局限性。
Since the existing assessment methods of sand liquefaction are not mature, there is much limitation in assessing the possibility of deep sand liquefaction.
砂土液化是地震引起的最显著的灾害形式之一，而由地震液化引起的地面大位移具有更大的破坏性。
Liquefaction of sandy soil deposits is one of the most severe disasters during earthquake, and liquefaction-induced large ground displacement has more destroy.
本文主要介绍《建筑抗震设计规范》送审稿中关于砂土液化问题修订的规定及依据。
In the paper, specification and basis of sandy soils Liquefaction in the revised seismic Design Code for Industrial and Civil Buildings are mainly described.
地震后砂土液化是地震的主要震害之一。
The soil liquefying is one of the main disasters of the earthquake.
随着液化后孔压的降低，砂土的表观粘度随应变的增大而增大，随孔压比的减小而增大。
With the reducing of pore pressure, the apparent viscosity of post-liquefied sand increased with increasing of strain and decreasing of pore pressure ratio.
研究表明，可拓评价方法和支持向量机对于砂土液化势进行评价是行之有效的。
The research expresses that the extension assessment method and the support vector machine are useful tool in the assessment and prediction of sand liquefaction potential.
基于宏观液化震害资料文中指出，砂土地震液化造成的主要破坏形式是建筑物的不均匀沉降。
Based on the microscopic field data of liquefaction it is pointed out that non-uniform settlement of building is the primary type of damages caused by sand liquefaction during earthquake.
结果表明，在给定的应变破坏标准下，饱和砂土剪切波速与抗液化强度具有良好的相关性。
The result shows that the shear-wave velocity of saturated sand could be strongly related to the liquefaction resistance under a certain liquefaction criterion.
残余强度或稳态强度的确定是砂土液化研究中的重要课题。
Steady state strength is an important parameter in evaluating the stability of sand deposits against flow liquefaction.
此外，也给出了饱和砂土液化破坏时破坏面上循环剪应力与循环荷载次数间的一般关系。
In addition, the generalized relationships between cyclic shear stress on failure plane and the number of cyclic loading causing liquefaction of the sandy soils are also presented.
按有效应力原理并用有限单元法分析砂土的液化过程是国际上近两年来出现的新动向。目前已发表的文献仅限于探讨—维应力状态的地基水平振动问题。
In recent two years there appears a new tendency to analyze the liquefaction of sand using FEM on the basis of the effective stress principle.
结合孔隙水压力模型可以模拟地震作用引起的饱和砂土液化问题。
Combined with the pore water pressure model, soil liquefaction under the seismic excitation can be modeled.
动三轴试验是进行砂土液化研究的必要手段。
The liquefying test with a dynamic tri-axial apparatus is one of the usual methods to perform.
动三轴试验是进行砂土液化研究的必要手段。
The liquefying test with a dynamic tri-axial apparatus is one of the usual methods to perform.
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