In a circuit, check key check whether the insulation wiring occurs, aging, soften crack damage.
在检查电路时,应重点检查电线的绝缘层是否发生软化、老化、裂损。
In this paper, numerical analyses on residual tensile strength of stiffened panels with crack damage are carried out.
对具有裂纹缺陷的加筋板的剩余强度进行了数值分析。
Nowadays, the method based on the acoustic emission technique is commonly used in the material crack damage orientation.
采用声发射技术进行材料裂纹损伤定位是当前较为常用的方法。
Plate and beam is the element of over head traveling crane. Crack damage of plates and beams is the main fault forms of structure.
板和梁是冶金桥式起重机金属结构的基本组成单元,而这些金属结构的损伤多以板、梁的疲劳裂纹表现其故障形式。
A crack damage variable based on the CT data was defined and its relationship with the accumulated drying volume change of soil was analyzed.
定义了基于CT数据的裂隙损伤变量,分析了裂隙损伤变量随累计干缩体变的变化规律。
Therefore, it is concluded that crack damage of steel beams can be identified by monitoring the variations of piezoelectric impedance measurements.
因此,可以得出结论,钢梁裂缝损伤通过监测压电阻抗测量的变化可以被识别。
Mesoscopic damage size on the top of crack is analysed, the effective stress strength factor is defined, the mode I crack damage fracture criteria is presented.
以混凝土单轴拉压损伤为基础,给出了单元弹性损伤本构关系,分析了裂纹尖端损伤微裂区尺寸,定义了有效应力强度因子,给出了I型裂纹损伤断裂判据。
Improper rework practices can result in unscheduled maintenance or surface damage that causes crack initiation.
翻修不当可能会造成非计划性维修和表面损伤从而造成裂纹。
Fatigue damage estimation of the tendons was made using fracture mechanics approach, establishing the fracture crack growth rate model and limit state equations for failure modes.
疲劳寿命的计算采用断裂力学方法,建立疲劳裂纹扩展模型和失效模式的极限状态方程。
Mechanism of damage of clay pot for utensil glass melting, such as softening deformation at high temperature, corrosion by molten glass, crack by thermal shock, etc was studied.
对熔化器皿玻璃等的粘土质坩埚使用中的高温软化变形、玻璃液侵蚀、热震开裂等损毁机制进行了分析研究。
The formula of the fatigue crack propagation rate was directly derived from the fatigue damage criterion.
通过疲劳损伤准则,导出疲劳裂纹稳定扩展速率的计算公式。
Therefore, to find out a scientific, practical and easy way of crack treatment, is an important subject for the treatment of flume aging and damage at present.
因此寻找一种科学、实用、简便的处理裂缝的方法,是当前渡槽老化损坏处理的一个重要课题。
The sliding crack model has been widely applied in the damage and fracture analysis of the rock-like materials.
滑动裂纹模型被广泛应用于岩石类材料压剪断裂分析及损伤分析。
In recent years, the other two forms of damage - water damage and reflective crack is gradually attracting attention, but also has become a world-wide problem.
近年来,另外两种破坏形式——水损害和反射裂缝也逐渐引起人们的注意,也已形成世界性范围的问题。
Fatigue span of pavement is predicted by judging damage factors and varied crack length.
损伤因子和裂缝长度的变化趋势相似,均可以用来评价路面的疲劳寿命。
In southern China wet areas, asphalt road surface's phenomena of slurry, crack, broken, and holes and other early damage caused by rain water are more common.
在我国南方多雨地区,因雨水造成沥青路面出现唧浆、龟裂、破碎和坑洞等早期破坏的现象较为普遍。
After defining a logarithm damage variable and effective stress, we introduce a damage evolution equation at crack tip bytaking into account the physical mechanism of the development ofcavities.
本文在定义对数损伤变量和相应的有效应力之后,引入了一种考虑材料内部空穴演变的裂尖损伤演变方程。
At the process of ct crack and rapture evolution, the acoustic emission can not precisely reflect the meso-mechanism of rock deformation and rapture because of localization of damage.
在CT尺度裂纹演化和破坏阶段,由于岩石损伤高度局部化,声发射率参数不能精确反映岩石破坏的细观机制。
The results show that considering the effect of fracture toughness increment and retardation of crack of anchorage, better effect of anchorage is reflected in numerical fracture and damage simulation.
计算结果表明:在断裂损伤数值计算中考虑锚杆对裂隙的增韧止裂作用可以更好地反映锚杆的加固效果。
Online damage detection of initial and tiny crack in a cylindrical composite vessel is studied in this paper.
本文研究了含裂纹小损伤复合材料容器结构的在线初期损伤检测。
In the fracture study of softening materials, the damage area of crack tip is regarded as a piece of nonlinear crack with cohesive force.
在混凝土类软化材料断裂研究中,裂纹端部损伤区被简化为具有黏聚应力分布的非线性裂纹,该黏聚力对裂纹扩展有阻抗作用。
This thesis mainly probes into the applicability of various damage indices to the dam when there is any damage (for example a crack).
本文主要探讨当混凝土大坝出现损伤时(如裂缝),各种损伤指标法对混凝土大坝的适用性。
Product Appearance: the surface is smooth, texture is uniform, colour and lustre is bright, no crack, no dark spots, and no mechanical damage.
产品外观:表面光滑,质地均匀,色泽光亮,无裂纹,黑点,和机械损伤的现象。
The quantitative relationship between the crack size and the damage quantity is derived and an expression for the crack energy rate associated with the damage energy rate is obtained.
通过理论分析,给出了裂纹尺寸与损伤量的等价关系以及裂纹能量率与损伤能量率的等价关系。
By the analysis and experiment measurement of damage condition of HK40 furnace tube, it was regarded that the damage material had critical damage condition at the tip of crack.
通过对服役材料HK40炉管损伤状态的实验测定和分析,认为在受损材料的裂纹前端存在临界损伤状态。
The group identification of elastic modulus, in-situ stress and damage parameters is processed respectively according to the different number of crack group contained in the rock mass.
讨论了含一组裂隙和两组裂隙情况下弹性模量与损伤参数共同辨识、地应力与损伤参数共同辨识以及三者同时辨识时的可靠性问题。
Strain energy change is used as damage index and a nondestructive crack detection method is proposed.
把结构遭受裂缝损伤的应变能变化量作为损伤指标,提出一种新的无损裂缝识别方法。
A method of evaluating the crack and damage is introduced. The presented work is beneficial to the maintenance and management of concrete structures.
文章对一些常见的混凝土构件裂缝作了分类研究和损伤定位分析,介绍一种评价方法,旨在为混凝土结构的养护、管理提供参考。
The paper relates the crack situation of the last stage turbine blades of Shiheng power plant No. 1 unit and the dealing of this problem, analyses the reason of crack and damage of the blades.
叙述了石横电厂1号机末级叶片的断裂情况以及对该问题的处理情况,分析了叶片的断裂、损伤原因。
Due to cold damage, different cracks, crosswise crack, vertical crack and irregular crack, occurred to varying degree after the project had been used for a while.
工程交付使用一段时间后,由于冻害等原因,渠道衬砌产生不同程度的横向、纵向及不规则裂缝。
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