本文评论对土试件施加循环荷载的某些常用系统。
This paper reviews some of the current systems in use for the application of cyclic loads oa soil specimens.
最后提出了长期循环荷载作用下单桩基础的工程设计方法。
A design method of the pile under long-term cyclic axial loading is finally presented.
对钢桥面铺装沥青混合料材料进行循环荷载下的弹塑性分析。
The elastoplastic properties of asphalt concrete of steel deck pavement are analyzed under cyclic load.
同时，分析了循环荷载作用下再固结系数对粘土强度增长的影响。
Meamwhile, the effect of reconsolidation index to the post cyclic shear strength increment is analyzed.
循环荷载作用使土体的物性指标变化趋势因深度的不同而具明显的差异性。
The changing tendency of the physical index of soil mass shows obvious difference with the change of depth due to the action of cyclic loading.
研究了在循环荷载作用下考虑土的流变特性时的饱和软土层的一维固结问题。
The problem of one dimensional consolidation of soft clays under cyclic loadings taking account of rheological characteristics of soils is studied.
简要归纳了循环荷载作用下土体本构特性和循环塑性模型需满足的力学条件。
The constitutive behaviors of soils under cyclic loads and the mechanical requirements for cyclic plastic models are briefly summarized.
研究了在循环荷载作用下考虑土的流变特性时的饱和软土层的一维固结问题。
Theory of one dimensional consolidation of double-layered ground with impeded boundaries under cyclic loadings;
当土体剪切面为不规则剪切带时，施加循环荷载后出现残余强度上升的现象。
When shear surfaces are irregular shear bands, residual strengths increase after applying cyclic loads.
由于列车对路基的循环荷载作用，因此改良后的路基还要有优良的动力学特性。
Also, as the cyclic loading effects of the train to the subgrade, the improved subgrade needs to possess quality dynamic characteristics.
以桶形基础为例，对循环荷载作用下软粘土地基的累积变形进行了计算、分析。
Taking a bucket foundation as an example, the cyclically accumulated deformation of soft soils under the action of cyclic loads in calculated and analyzed.
因此，研究水平循环荷载下桩土系统变形规律和相互作用机制具有重要的意义。
Therefore, studies of behavior and interaction mechanism of pile foundation under cyclic lateral loading have important significance.
循环荷载作用下饱和软黏土存在临界循环应力比，通过孔压也可以确定其值大小。
There is critical cyclic stress ratio of soft clay under cyclic loading. The value of critical cyclic stress ratio can also be obtained by pore water pressure curves.
另外，在循环荷载作用下循环应力比和加荷周数对复合地基竖向变形有显著的影响。
In addition, cyclic stress ratio and number of cyclics have remarkable effects on vertical deformation of cement-soil pile composite foundation.
结论对长期循环荷载作用下粘土动力性质的试验研究与机理分析有一定的指导意义。
The conclusions are of guiding significance for experiment study and mechanism analysis on dynamics characteristic of clay under long-term cycling loading.
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.
本文通过应力控制式循环三轴试验，研究了饱和软粘土在不排水循环荷载作用下的性状。
By conducting stress controlled cyclic triaxial test, in this paper, the behavior of saturated soft clay under the action of undrained cyclic load being studied.
结果表明，有各向异性和力各向异性之间的相容性和协调数不累计亏损在循环荷载作用。
It was indicated that there was compatibility between fabric anisotropy and force anisotropy and no cumulative loss of co-ordination number during cyclic loading.
岩石的不可逆塑性变形随动应变增加而增大，同时由循环荷载引起的损伤变形也逐渐增加。
Moreover, the irreversible plastic deformation of rock increased, and at the same time, the fracture deformation of rock gradually increased, which was produced by cyclic load.
最后将该方法的计算结果与相关循环荷载试验结果进行了对比，结果证明了该模型的有效性。
The calculation results were compared with those obtained by relevant cyclic loading test results, and the validity of this proposed model was verified.
提出了适用于长期循环荷载作用下粉细砂累积变形计算的等效黏塑性本构模型及数值模拟方法。
A new constitutive model, namely equivalent viscoplastic model, adaptive to cumulative deformation computation of sandy silt under long-term cyclic loading is proposed.
最后，给出了两个关于饱和土体受到表面循环荷载的计算实例来说明所提出有限元技术的有效性。
Finally, two numerical examples regarding saturated soils subject to a surface cyclic loading are presented to illustrate the effectiveness of the proposed techniques.
桩基础是近海风力发电中经常采用的基础形式，承受着包括低频风循环荷载在内的复杂荷载组合。
Piles are widely used as a foundation for the offshore wind power generation and undergoing a complex combination of loads including the low-frequency cyclic wind loading.
结果表明，提出的模型能较好地描述饱和软黏土在循环荷载作用下的变形、孔压变化及模量损伤过程。
It is shown that the new model can preferably depict the deformation, pore pressure variation and modulus damage of the saturated soft clay subjected to the cyclic loading.
众所周知，钢筋混凝土（RC）梁-柱节点在循环荷载下的非线性反应非常复杂并受诸多因素的影响。
It is well known that Non-linear cyclic behavior of reinforced concrete (RC) beam-column joint sub-assemblage is complex and known to be sensitive to many factors interacting each other.
同时，等幅循环荷载与野外爆破地震荷载在荷载类型、荷载强度和频率方面对试验结果有一定的影响。
Meanwhile, the effects of load types, load strength and frequencies of the uniform cyclic load and the field explosion load on the test results are of importance.
基于剪切筒模型和常用疲劳加载方式，首先建立了循环荷载作用下钢筋与混凝土界面脱粘应力的计算模型；
Based on the shear-lag model and the usual loading way, the computation model of interfacial debonding stress under tension-tension cyclic loading is established first.
降低了的梁内纵筋的应力能在反复循环荷载下获得较为有利的粘结条件，特别是在缺少柱上轴向压力的时候。
The reduced stresses in the longitudinal bars help to achieve less critical bond condition under the cyclic loading, especially in the lack of column axial force.
考虑材料、几何和状态三重非线性，对钢框架梁柱腹板连接在循环荷载作用下的滞回性能进行了有限元模拟。
Hysteretic behavior of steel beam-column web connections in steel frames under cyclical load is simulated by finite element method involving material, geometry and status nonlinear.
考虑材料、几何和状态三重非线性，对钢框架梁柱腹板连接在循环荷载作用下的滞回性能进行了有限元模拟。
Hysteretic behavior of steel beam-column web connections in steel frames under cyclical load is simulated by finite element method involving material, geometry and status nonlinear.
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