1) stress difference ratio
应力差值比
1.
Compliance D/F_Z,stress difference ratio(F_1-F_Z)/(F_0-F_Z)and energy-ratio W_2/W_1 are selected to appraise more effectively the low-temperature performance of SBS modified asphalt.
选用柔量D/FZ,应力差值比(F1-FZ)/(F0-FZ)和能量比W2/W1作为评价指标并加以阐述,以更有效地评价SBS改性沥青的低温性能。
2) differential stress magnitude
差应力值
1.
The quartzic and olivine rocks with dating data are collected to observe the dislocation densities under transmission electro microscope, and then 432 average tectonic stress magnitudes (differential stress magnitude) in middle-late Triassic to Early Pleistocene for China are estimated.
选用具有测年数据的含石英或橄榄石的岩石，在透射电镜下观测位错密度，从而估算了中国三叠纪中、晚期—早更新世４３２个构造应力值（差应力值），初步发现在板块碰撞带或大断层带附近差应力值增大，而在板块内部则逐渐变小。
3) differential paleostress
古应力差值
1.
Eraly Hercynian differential paleostress and strain velocity values in the western Kunlun orogenic Belt are estimated in this paper.
文章对西昆仑造山带早华力西变形期的古应力差值、应变速率进行了估算，并对估算的结果进行了分析。
4) principal stress difference
主应力差值
1.
The concentrating zones of principal stress difference were extended and gradually migrated from the outside to the inside in the tunnel surroundings with the non-uniform stress field aggravating.
应用UDEC计算程序,分析了深部圆巷随开挖半径大小、应力水平高低和应力不均匀程度,围岩内主应力分布和能量耗散特征,发现随应力水平由低至高和应力不均匀程度的加剧,巷道围岩能量耗散值和能量耗散率均成凹形特征曲线急增;随开挖半径由小至大,能量耗散值成凹形曲线急增,但能量耗散率变化却很小;随着应力水平不均匀程度的加剧,在巷道围岩内部形成的主应力差值封闭包核区,呈现由围岩浅部向围岩深部跃移现象;当水平应力大于垂直应力时,在巷道顶板产生主应力差值封闭包核区的范围和量值大小,相对于巷道两帮更为严重。
5) peak stress ratio
峰值应力比
1.
A new constitutive model was developed based on the state parameter,peak stress ratio,phase transformation stress ratio,the state dependent dilatancy equation and the yield surface with a hyperbolic relationship between the stress ratio and the plastic deviatoric strain.
基于状态参数Ψ、峰值应力比、相态转换应力比、依赖于状态的剪胀方程和一个双曲线的应力应变关系,建立了一个静力条件下能统一反映密度和压力对砂土变形特性影响的本构模型。
6) comparison of average stress value
应力值比较
补充资料：极限应力平均差
分子式：
CAS号：
性质： 测出的最大作用力偏离平均作用力的值与无应力时试样的截面积之比；单位为Pa。是动态力学加载形式选择上所关心的参数之一。该值愈大，说明所加负载的应力振荡值较大。反之，说明所加交变应力比较平稳。
CAS号：
性质： 测出的最大作用力偏离平均作用力的值与无应力时试样的截面积之比；单位为Pa。是动态力学加载形式选择上所关心的参数之一。该值愈大，说明所加负载的应力振荡值较大。反之，说明所加交变应力比较平稳。
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