1) cyclic stress ratio(CSR)
等效循环应力比(CSR)
2) cyclic stress ratio
循环应力比
1.
In addition,in laboratory tests using dynamic triaxial test machine with stress controlled,definite dynamic stress frequency and different cyclic stress ratio were adopted to simulate the traffic load,and the axial strain,pore water pressure and axial strain softening under cyclic load were studied.
并且通过应力控制的室内动三轴试验,采用一定的动应力频率、不同的循环应力比来模拟交通荷载,研究了在循环荷载作用下,连盐高速公路饱和软粘土的轴向累计应变、孔隙水压力和轴向周期应变软化的变化规律。
2.
According to the dynamics triaxial test on the eolian sand,the strain property under cyclic loading is mainly affected by the compaction water content,cyclic stress ratio and ambient stress.
通过动三轴试验 ,得到了影响循环荷载下风积沙变形特性的主要因素为压实含水量、循环应力比和围
3.
Based on the test results, it concluded that the cyclic stress ratio and confining pressure are the mainly factors which affected the deformation property of the studied Ger ermu sand under cyclic loading, and the suggestion about the embankment construction is advanced.
通过对格尔木地区砾石砂的动三轴试验 ,得到了影响循环荷载作用下砾石砂变形特性的主要因素为循环应力比和围压 ,并根据试验结果对路基施工方法提出了建
3) middle stress cycle
中等应力循环
4) constant-amplitude stress cycle
等幅应力循环
5) critical cyclic stress ratio
临界循环应力比
1.
Analysis on critical cyclic stress ratio and permanent deformation of composite foundation improved by cement-soil piles under cyclic loading;
循环荷载作用下水泥土桩复合地基的临界循环应力比和永久变形分析
2.
There exists critical cyclic stress ratio Sthwhen lightweight sand-EPS beads soil(LSES) is subjected to cyclic loading.
循环荷载下,砂土与EPS颗粒混合的轻质土(LSES)存在临界循环应力比Sth,将割线弹性模量衰减系数δ与循环次数的关系曲线能保持平缓的最大循环应力比定义为Sth,它是结构稳定与破坏两种状态的界限指标,根据动三轴试验结果,认为影响Sth的主要因素有围压、水泥掺量和EPS颗粒含量。
补充资料：应力比
分子式：
CAS号：
性质：疲劳试验中，最小和最大应力之比值。拉伸应力取正值，压缩应力取负值。材料发生疲劳断裂区分为两大类型，一种是加载应力水平低，断裂前承载周次多，这种断裂称高周疲劳或应力疲劳；另一种是加载应力水平高，断裂前承载周次少，这种断裂称低周疲劳或应变疲劳。所以，应力比是试验设计者所关心的参数。
CAS号：
性质：疲劳试验中，最小和最大应力之比值。拉伸应力取正值，压缩应力取负值。材料发生疲劳断裂区分为两大类型，一种是加载应力水平低，断裂前承载周次多，这种断裂称高周疲劳或应力疲劳；另一种是加载应力水平高，断裂前承载周次少，这种断裂称低周疲劳或应变疲劳。所以，应力比是试验设计者所关心的参数。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条