1) ultimate stress increment
极限应力增量
1.
Based on the strain distribution calculation of the compression concrete fiber in ultimate state,the concrete strain at the location of the unbonded tendons was integrated to establish an equation group to calculate the ultimate stress increment.
对直线配索无粘结预应力混凝土梁截面应变进行了分析,根据极限状态下截面受压边缘混凝土应变分布形式及无粘结预应力钢束高度处的混凝土应变分析,得出无粘结预应力钢束极限应力增量的积分表达式,编制了计算程序进行求解,并与21片两集中力三分点加载实验梁的实验结果进行了对比,结果较为吻合;不计梁体弹性区段的混凝土应变时,极限应力增量计算值减少7。
2.
Ultimate stress increment is a hotspot problem in theory of unbonded partially prestressed concrete structure,however,according to design critera and the art of the state on this issue around the world,it is still not considered in reason that ultimate stress of unbonded tendons in prestressed concrete multi-span continuous structures varies with load cases.
无粘结筋的极限应力增量一直是无粘结预应力混凝土结构理论中热点问题，而从目前各国的设计依据及研究现状来看，还没有合理考虑多跨连续结构的无粘结筋极限应力随荷载工况变化的情况。
2) limit stress
极限应力
1.
FEM design of cruciform biaxial tensile specimen based on limit stress analysis;
基于极限应力分析的十字形双向拉伸试件设计
2.
A new method for establishing forming limit stress diagram of sheet metals;
一种建立板料成形极限应力图的新方法
3.
The abrasion fatigue limit stress is about(3.
文章设计了材料的冲蚀疲劳特性试验以及通过特性曲线拟合决定弹性接触状态下材料冲蚀疲劳特性参数的方法 ,应用此方法测得环氧 -橡胶复合材料的冲蚀疲劳极限应力σ0 ≈ ( 3 。
3) ultimate stress
极限应力
1.
Influence of asymmetric loading on ultimate stress of unbonded prestressed tendon;
不对称加载对无粘结预应力筋极限应力的影响
2.
Calculation methods for the ultimate stress and effective height of external prestressing tendons;
体外预应力筋极限应力和有效高度计算方法
3.
A practical analysis method for ultimate stress of external prestressed simple supported concrete beams;
体外预应力混凝土简支梁极限应力分析
4) limiting stress
极限应力
1.
In the view of various factors that affect pre-stress in vitro and limiting stress,a prediction of pre-stress in vitro and limiting stress has been made by using BP and RBF man-made nerve network models.
鉴于影响体外预应力筋极限应力的因素较多,采用BP和RBF两种人工神经网络模拟方法进行体外预应力筋极限应力进行预测。
2.
The thixotropic liquefaction system of loose gravel soil on slope causes the soil to develop naturally to limiting stress condition under triggering of rainfall and non linear interaction between different factors in the system.
斜坡松散碎屑土触变液化系统在暴雨激发下 ,内部不同因子间的相互非线性作用 ,导致斜坡碎屑土自然地朝临界极限应力状态发展 ,最终暴发泥石流。
3.
Analysis is made on the research and practice for counting stress, allowable stress and limiting stress of hard brittle or plastic materials, and discussed the methods of depressing weigh of materials in design of construction units.
通过对塑性材料和脆性材料计算应力、许用应力和极限应力的理论与实践分析,探讨进行构件设计时提高材料使用效能、减少材料用量的方法。
5) stress limit
应力极限
6) increment limit method
增量极限法
1.
By using infinitesimal number method and increment limit method,we redefine the osculating place,the osculating circle, tangent,normal,binormal,curvature,the curvature radius,the curvature centre,the curvature radius vector and the natural coordinates of the spacial smooth curve at a certain point.
用无穷小数法和增量极限法重新定义了空间光滑曲线在某点处的密切面、密切圆、切线、法线、副法线、曲率、曲率半径、曲率中心、曲率半径矢量以及自然坐标系 。
补充资料：极限疲劳应力
分子式：
CAS号：
性质：当疲劳寿命曲线变得与lgN轴基本平行时相应的周期性应力振幅(N表示周期次数)。由于疲劳试验无法长时间无限制地进行下去，一般当周期次数N达到107时，材料仍未发生破坏，此时对应的周期性应力振幅上限值称极限疲劳应力，又称条件极限疲劳应力。
CAS号：
性质：当疲劳寿命曲线变得与lgN轴基本平行时相应的周期性应力振幅(N表示周期次数)。由于疲劳试验无法长时间无限制地进行下去，一般当周期次数N达到107时，材料仍未发生破坏，此时对应的周期性应力振幅上限值称极限疲劳应力，又称条件极限疲劳应力。
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