认为振动液化形变形迹可以作为鉴别古地震标志之一。
The . vibration liquefaction trace can be regarded as one of the marks in identifying paleoearthquakes.
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.
本文介绍了近二十年来在我国水利水电科学研究院进行饱和土振动液化试验研究中发现的几个重要特性。
This paper presents some important findings found from the researchs on soil liquefaction during the past two decades in the Water Conservancy and Hydroelectric Power research Institute of China.
以桩基础的垂直承载力、砂土振动液化、边坡稳定分析为例,阐述了小比尺离心模型试验和分析的一些思想和手段。
Finally, the methodology of small scale centrifuge models is elucidated by analysing three typical problems, i. e. , the vertical bearing…
随机混合仿真试样可以从定性角度反映实际砂土振动液化过程中的细观组构演化规律,为今后进一步的定量研究奠定了基础。
It also found that the numerical sand sample made from randomly mixing multiple shapes of sand can quantitatively reflect the regularity of fabric evolution of sands during liquefaction.
本文介绍了某工程采用振动沉管工艺进行CFG桩与碎石桩联合处理软弱、液化地基的成功经验。
The paper introduces the succeed experience of soft and liquefaction foundation treated by CFG pile and crushed stone pile by means of vibration pile sinking technology.
打入式基桩施工引起的持续振动可引起桩周土液化,降低桩侧摩阻力,从而影响单桩承载力。
Owing to the liquefaction of soil around piles caused by sustained construction vibration the lateral resistance and bearing capacity of piles could be decreased.
采用剪切波速与振动三轴联合试验装置,研究了具有松散结构的原状和重塑饱和粉土抗液化强度之间的相关性。
The correlation between cyclic liquefaction resistance of undisturbed and remolded saturated loose silts was studied using the cyclic triaxial apparatus with measurements of shear wave velocity.
在地震区筑坝,还应考虑地震影响。地震的作用增加坝坡坍滑的可能性。粉沙地基在强烈振动作用下还容易引起液化破坏。
Earthquakes have to be taken into account. They can make landslide more possible. If the foundation is made of silty sand, liquidified damage is more possible.
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由地震振动引起的裂缝、液化、震陷和崩塌等。
The forms of devastation mainly include earthquake surface ruptures, caused by structure factor, fractures, liquefaction, seismic subsidence, collapse, caused by seismic shaking.
当粘粒、粉粒含量变化时粉土的动强度、振动孔压性状及液化后变形特性等问题都值得深入研究。
It is still deserved to study the liquefaction strength and dynamic pore water pressure and post-liquefaction character of silt when the clay particle content and silt particle content change.
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.
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.
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.
应用连续体振动理论和SAP5结构分析有限元程序,分析了液化石油气充瓶站管线振动问题。
Based on continuum theory, the vibration of pipeline in LPG filling stations has been analyzed by using the finite element program (SAP5) of structure analysis.
液化后,土体对振动体现出抑制效果;
在进行结构-地基动力相互作用体系振动台模型试验中,再现了地震动激励下有建筑物存在的砂质粉土软土地基的液化现象。
The liquefaction phenomena of sandy powder soil under building footing are reproduced with shaking table tests on dynamic soil_structure interaction.
振动沉管碎石桩用于处理液化土地基具有诸多优点,文章通过一工程实例介绍了振动沉管碎石桩的设计要点,施工方法,质量检测及处理效果等。
The tests made before and after the construction show that this technology has a good effect on reinforcing the foundation and eliminating the soil liquefaction.
振动台试验无疑为可液化场地桥梁群桩抗震性能研究提供必要铺垫。
It's no doubt that the shaking table test provides the necessary groundwork to study seismic performance of pile groups of Bridges.
根据流体力学中的绕球定常黏性流动理论,在振动台试验的基础上,设计了一套砂土液化及液化后流动特性的试验装置。
According to the theory of dropping ball viscosimeter, the test apparatus of flow characteristics of liquefied and post-liquefied sand is developed based on the shaking table tests.
饱和砂土地基试验是研究碎石桩复合地基抗液化性能振动台试验的先导和必要组成部分。
Saturated sand ground tests are the leading and essential constituent of shaking table tests to study the characteristics of stone columns composite foundation.
饱和砂土地基试验是研究碎石桩复合地基抗液化性能振动台试验的先导和必要组成部分。
Saturated sand ground tests are the leading and essential constituent of shaking table tests to study the characteristics of stone columns composite foundation.
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