local damage meaning in English
局部损坏
局部损伤
Examples
- During the process of stitching , however , there are some in - plane local damages , which have effects on the in - plane mechanical performances unintentionally
但是在缝纫过程中也造成面内的局部损伤,这些损伤都会有意无意地对面内力学性能产生不同程度的影响。 - In allusion to this problem , detailed investigations were made in this article . on the base of these data , we analyze reasons of scathes of bridges . local damage of bridges is much serious
桥梁上部结构的损坏造成了其使用寿命的缩短,本文针对这一问题,作了详细的调研,并在此基础上对上部结构产生病害的原因进行了分析。 - Through contrast , mode data are more sensitive to structure local damage than frequency , but it has the question that the measured accuracy is lower than natural frequency which make results having big deviation
相比之下,振型数据对结构的局部损伤要比频率敏感的多,但又面临着测试精度比固有频率低,容易造成识别结果误差增大。 - Regarding the rc beams subjected to concentrated load or even load and braced by bonding steel , an analysis is made on the relevant factors influencing maximum anchorage shear stress of steel sheet . the analysis is based on elastic theory and makes use of the formula for calculating anchorage shear stress of steel sheet . as indicated by the results , the maximum anchorage shear stress not only realtes to such parameters as height of cross section of rc beam and span but also relates to the thickness of adhesive layer , elastic modulus , thickness of steel sheet , and length of steel sheet . the present method will check maximum an chorage shear stress on the end of shear sheet so as to prevent rc beam from local damage . the present results will offer important reference for our country to further perfect bracing design by bonding steel method
在弹性理论的基础上,利用钢板锚固剪应力计算公式,对在集中荷载或均布荷载作用下采用粘钢加固的混凝土梁,分析钢板锚固最大剪应力的有关影响因数.结果表明,最大锚固剪应力不但和混凝土梁的截面高度、跨度等参数有关,还和粘胶层厚度、弹性模量、钢板厚度及钢板长度有关.采用文中方法可以对钢板端部最大锚固剪应力进行验算,防止混凝土梁出现局部受拉破坏.研究结果为进一步完善我国粘钢法加固设计提供重要的参考资料 - In this paper , a new modal analysis and damage identification method is developed for bridge structures , in which the vibration modal and curvature modal can be obtained by natural frequency , and so local damage is characterized by only the natural frequency measured from the damaged structures . in contrast with most of the existing vibration - based damage identification methods , which require both the natural frequency and other modal parameters measured from the damaged structure
摘要工作状态下桥梁结构的模态参数识别是桥梁损伤识别的重要环节,考虑桥梁检测的实用性,桥梁检测一般应建立在环境激励的基础上,已有的环境激励下模态参数识别的方法对模态频率的识别的精度较高,而对位移模态的识别则误差较大。