A spherical stress shaking test apparatus is constructed in order to study soil dynamic properties under spherical stress shaking.
为了探讨球应力振动下土的动力特性，研制了球应力振动仪。
Soil dynamic properties index about the test site were acquired, pulse echo dynamic test figures of model piles enclosed with soil and without soil were also acquired and analysed systematically.
获得试验场地土动力特性指标和桩周有土、无土两种情况下模型桩的反射波特性曲线，并进行了系统分析。
The fatigue behavior of cement-sodium-silicate-grouted soil is investigated by cyclic loading test of dynamic asymmetric sine wave load.
采用载荷控制、非对称正弦波动态载荷变化方式对水泥土进行疲劳载荷试验。
The soil failure beneath the branch or the disk is the main cause of the shear failure of the pile based on the analysis of the curve of load settlement and the dynamic pile test results.
在破坏性状上，无论是荷载—沉降曲线还是动测检测结果，均说明了支盘下土体的局部剪切破坏是其破坏原因之一。
Through laboratory tests on sandy pebble soil by using the dynamic triaxial test, researches of saturated sandy pebble soil have been done.
通过对砂卵石土室内动三轴试验，对饱和砂卵石土的动力特性进行了较为深入地研究。
Dynamic triaxial test is mainly used to determine the dynamic shear modulus & dynamic damping ratio of soil, which are the important parameters for seismic response analysis.
动三轴试验主要确定土的动剪切模量和土的动阻尼比，而这些参数又是地震动反应分析中的重要参数，该参数的取值小直接影响了桥梁的勘察设计。
On the basis of dynamic similitude analysis, a model soil which is mainly composed of sawdust and aimed to be used in the shaking table test of the soil-foundation-structure system is designed.
本文在动力相似关系的分析基础之上，设计了一种以锯末为主要成分，用于地基-基础-上部结构动力相互作用振动台试验的模型土。
It also analyses the influence of attenuation of stress wave cased by the soil resistance and the damp of pile shaft material in dynamic pile test on the precision of pile shaft integrity test.
分析了动力试桩中，因土阻力和桩身材料阻尼引起的应力波衰减作用对桩身的完整性检测精度的影响。
By means of the experimental data from dynamic triaxial stress-strain test of variable cyclic amplitude for frozen soil, the formative conditions of residual strain on frozen silt clay are studied.
基于不等幅值循环荷载作用下低温三轴振动试验资料，研究了冻结粉质粘土在分级往返加荷情况下的残余应变产生条件。
Dynamic triaxial test system is a basic equipment for researching soil dynamic properties.
动三轴试验机是研究土的动力性质的最基本试验设备。
The damage form of thick sandy soil layer was revealed and the damage mechanism was primarily analyzed through the dynamic simulating model test.
通过动态相似模拟试验，揭示了厚砂土层破坏形态，并初步分析了破坏机理。
[abstract] This paper utilize the model box system designed by soil dynamic department of tongji university, making a series of dynamic test of different moisture content of iron ore powder.
【摘要】采用同济大学土动教研室设计的模型箱设备对不同含水率下的铁矿粉进行一系列的动力试验。
On the other hand, as an instant impact load with controllable energy, dynamic compaction is a good test in-situ for the study of soil dynamics.
另外，作为一种能量可控的瞬态冲击荷载，强夯施工可以作为一个可控的土动力学原位试验。
The dynamic response of pile foundations in saturated sand was explored through the shake table test. Some ideas about dynamic soil-pile interaction during strong shaking were obtained.
通过振动台试验，研究了饱和砂土中桩基的振动特性，对桩土振动过程中的动力相互作用有了初步的认识。
The different loading periods of seabed soil were also simulated by dynamic triaxial test system.
另外，探讨了海床砂土受到长、短波浪周期作用时，其动态强度特性。
The behavior of the model pile in the liquefying saturated sand layer during shake is studied through the shake table test, and some results about the soil-pile dynamic interaction are obtained.
通过振动台试验，研究了饱和砂土中桩基的振动特性，对桩土振动过程中的动力相互作用有了初步的认识。
The behavior of the model pile in the liquefying saturated sand layer during shake is studied through the shake table test, and some results about the soil-pile dynamic interaction are obtained.
通过振动台试验，研究了饱和砂土中桩基的振动特性，对桩土振动过程中的动力相互作用有了初步的认识。
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