并对砂土液化问题提出一些看法。
Some opinions relevant to liquefaction of sands have been offered.
地震导致的砂土液化具有很大的随机性。
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.
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.
分析了多元统计方法在饱和砂土液化判别方面的应用。
This paper analyzes the application of the statistical analysis method to the estimation of the liquefaction of sand.
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.
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.
对于如何预防砂土液化也成了岩土工程界的一个重要研究问题。
The study on the liquefaction characteristics of saturated sand ground improved by soil -cement pile under under modeling the earthquake force is poorer.
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.
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.
揭示了均等团结和非均等固结状态下砂土液化过程中土骨架变化规律；
Rules governing the variations of the skeleton volumes of isotropic and anisotropic consolidated sands during the process of liquefaction have been suggested.
北京市平原区地质灾害主要表现为活动断裂、地震砂土液化和地面沉降。
Typical geological hazards in Beijing plain included active fault, seismic liquefaction of sand and land subsidence.
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.
研究表明，人工神经网络方法性能良好，可望成为砂土液化预测的有效手段。
Results showed that the neural network approach is good, and might be referred as an effective technique for prediction of the liquefaction of sandy soil.
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.
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.
地震砂土液化是一个实际工程问题，一旦发生液化会给地下工程结构带来巨大灾害。
Liquefaction of sands during earthquake is such an actual problem that it will bring a large disaster if suffering liquefaction.
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.
该模型能通过有限经验数据的学习，建立砂土液化类型与其影响因素之间的非线性关系。
The nonlinear relation between sand liquefactions and influencing factors was learned from the finite empirical data by SVM model.
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.
当轴向应力与剪应力幅值的比值保持不变时，砂土液化强度随着椭圆面积的增大而降低。
For the same ratio of two stress components, the resistance to liquefaction of saturated sand decreased with the increasing area of the elliptical stress path.
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.
试验结果验证了砂土液化典型特征：超静孔隙水压升高，有效应力降低，体积压缩积累增大。
Experimental results show the typical characteristics of soil liquefaction: excess static pore-water pressure increases, effective stress decreases, and volumetric strain increment increases.
结合工程实例，介绍了在高地震区砂土液化地基土处理中，应用碎石桩、CFG桩组合型复合地基。
The application of gravel pile and CFG pile composite foundation in foundation treatment of liquefaction of sand and soil in seismic area is introduced combined with engineering example.
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.
在岩土工程勘察中，粘粒含量这一特殊指标常用于判别饱和砂土液化以及进行地基承载力特征值计算。
In geotechnical investigation, clay particle content is often used in identifying saturated sand liquefaction and calculating the characteristic value of foundation bearing capacity.
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.
地面沉降地质因素介绍了古代地面沉降、泥炭层沉降、地震砂土液化地面沉降和海平面上升研究状况。
The geologic issues of land subsidence include ancient land subsidence, peat sinking, land subsidence due to liquefaction and sea level rise.
本文以两相介质理论为基础，将饱和砂土简化为一维情况，对饱和砂土液化区的范围做了一些理论探讨。
In this paper, based on the two phase theory, the saturated soil is simplified as one dimensional model.
本文以两相介质理论为基础，将饱和砂土简化为一维情况，对饱和砂土液化区的范围做了一些理论探讨。
In this paper, based on the two phase theory, the saturated soil is simplified as one dimensional model.
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