1) pre-stressed test
预应力试验
2) two way prestress model test
双向预应力模型梁试验
1.
Through the practice of vertical pressers in long span continuous box girder and the research of two way prestress model test,the construction technology about unbonded vertical prestress is proposed and applied in Hanjiang Bridge in Hanchuan.
通过汉川汉江公路大桥大跨径连续箱梁竖向预应力施工实践和双向预应力模型梁试验研究 ,在该桥施工中提出并应用了无粘结竖向预应力技术 。
3) stress test
应力试验
1.
This paper introduced the structural characteristics of the engineering van that our troops had just developed and the stress tests on it,The paper also gave an analysis of the results from the tests,from which some problems had been found out and some beneficial conclusions had been produced.
介绍了我军新研制的一种厢式工程车的结构特点,对该车进行应力试验,并对试验结果进行了分析,从中找出了存在的问题,得出了一些有益的结论。
2.
Stress tests for engine body under both pretension and explosion conditions are carried out.
同时对机体进行了预紧和爆发2种工况的应力试验。
4) test stress
试验应力
1.
On the basis of fatigue test data on 267 aluminum-alloy test pieces and 139 steel-alloy test pieces extracted from Handbook of Fatigue Properties of Aerial Metals, this thesis studies the law of change of the fatigue scatter factor with fatigue test stress, i.
从《航空金属材料疲劳性能手册》中取出267个铝合金试件和139个钢合金试件的疲劳试验数据,研究了疲劳分散系数随疲劳试验应力的变化规律,即在一定应力范围内,疲劳分散系数随着应力的减小而增加。
5) multi-stress test
多应力试验
1.
The new approach used to evaluate the stability of petroleum logging tools is presented, in which the key content is multi-stress test, and the method used to determine MWTURE is given out.
为了评价石油测井仪器的工作稳定性,将石油测井过程描述为温度剖面图,指出用3个独立的例行试验结果体现石油测井仪器工作稳定性存在较大的局限性,为此提出了以多应力试验为核心内容的稳定性评价新方法,在此基础上给出了确定平均稳定工作时间(MWTURE)的方法。
补充资料：预应力
分子式：
CAS号：
性质：试验中试样所受到的预加的恒定静态应力，单位为Pa。在生热性疲劳试验中，如固特里奇屈挠试验中，一般都施加一恒定预应力，使试样产生一静态变形，再叠加一周期压缩变形进行试验，通常预应力的大小会影响试样的疲劳寿命，预应力越大，则试样寿命会越明显缩短。也有的先施加一静态压缩变形，再叠加周期性剪切变形进行试验。
CAS号：
性质：试验中试样所受到的预加的恒定静态应力，单位为Pa。在生热性疲劳试验中，如固特里奇屈挠试验中，一般都施加一恒定预应力，使试样产生一静态变形，再叠加一周期压缩变形进行试验，通常预应力的大小会影响试样的疲劳寿命，预应力越大，则试样寿命会越明显缩短。也有的先施加一静态压缩变形，再叠加周期性剪切变形进行试验。
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