• Underground structure in saturated sandy soil might be subject to severe damage due to seismic liquefaction.

    饱和砂土地层中的地下结构地震作用可能地基液化而发生破坏

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  • Typical geological hazards in Beijing plain included active fault, seismic liquefaction of sand and land subsidence.

    北京市平原区地质灾害主要表现活动断裂地震砂土液化地面沉降。

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  • The large ground displacement caused by seismic liquefaction is one of the main reasons which induce the failure of engineering structures.

    地基液化条件下地面变形造成工程结构破坏主要原因之一

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  • 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.

    介绍利用MATLAB神经网络工具箱训练BP网络方法及其砂土震动液化评价中的应用,取得了良好的效果。

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  • Accurately evaluating the clay particle content is of great significance to discriminating the seismic liquefaction by static sounding test or standard penetrating test.

    运用静力触探试验标准贯入试验进行地震液化判别皆用到含量一指标,因此准确地测定粘粒含量具有重要意义。

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  • Catastrophic damages to the ground structures can be caused by large ground deformation due to seismic liquefaction. Therefore liquefiable ground in earthquake must be improved.

    地震液化导致变形常会使结构产生十分严重的破坏,因此对潜在液化的地基必须进行处理。

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  • 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.

    通过研究砂土液化主要影响因子建立了砂土液化的灰色综合评判理论模型成功地将该理论模型应用于实际工程中。

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  • In the paper, specification and basis of sandy soils Liquefaction in the revised seismic Design Code for Industrial and Civil Buildings are mainly described.

    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规定依据

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  • The forms of devastation mainly include earthquake surface ruptures, caused by structure factor, fractures, liquefaction, seismic subsidence, collapse, caused by seismic shaking.

    震区冻土变形破坏主要包括地震构造成因的地震破裂带和地震振动引起裂缝液化崩塌等

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  • Combined with the pore water pressure model, soil liquefaction under the seismic excitation can be modeled.

    结合孔隙压力模型可以模拟地震作用引起饱和砂土液化问题。

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  • Seismic design for PHC pipe piles in coastal liquefaction soft sub-soil was discussed.

    探讨沿海液化地基PHC管桩的抗震设计

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  • 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.

    结合工程实例介绍了高地震区砂土液化地基处理应用碎石CFG桩组合型复合地基。

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  • The liquefaction of seabed under seismic load is one of the main reasons that govern the global stability of submarine pipeline.

    地震荷载作用海床液化海底管线主要原因之一

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  • Criteria for evaluating liquefaction potential are defined and then the seismic stability of Douhe River dam during the 1976 Tangshan earthquake is analysed.

    本文定义液化评价准则该坝1976年唐山大地震时稳定性进行了分析。

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  • The degrees of soil liquefaction are divided into four classes according to liquefaction index, and the corresponding relations between liquefaction indexes and seismic hazards are given.

    液化指数把液化程度分为四级给出液化指数震害对应关系

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  • The dam does not meet the present day seismic safety standards. The hydraulic fills in the dam and some foundation soils are loose and susceptible to liquefaction.

    根据现行标准大坝抗震能力符合要求,坝体冲某些部位地基松散容易液化

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  • Thus, evaluation of the liquefaction potential of a soil subjected to a given seismic loading is an important first step towards mitigating liquefaction-inducted damage.

    评估土壤液化潜能进行工程抗震设计,减轻地震灾害重要一步

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  • Thus, evaluation of the liquefaction potential of a soil subjected to a given seismic loading is an important first step towards mitigating liquefaction-inducted damage.

    评估土壤液化潜能进行工程抗震设计,减轻地震灾害重要一步

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