1) fatigue reliability of stiffness
刚度疲劳可靠性
2) fatigue reliability
疲劳可靠度
1.
Buffeting fatigue reliability analysis of cable-stayed bridge;
斜拉索抖振疲劳可靠度分析
2.
In order to quantify the fatigue reliability of stay cable on partially cable-stayed bridge under the influence of vehicle load,based on the accurate analysis for the time history of stay cable,fatigue reliability of the cables of partially cable-stayed bridge under vehicle load is researched according to the principle of equivalent fatigue damage.
鉴于我国《公路斜拉桥设计规范》未对部分斜拉桥拉索的允许应力值作具体规定,因此,为定量地研究车辆荷载作用下部分斜拉桥拉索的疲劳可靠度,在分析斜拉索应力时程的基础上,依据等效疲劳损伤原理,对车辆荷载作用下部分斜拉桥拉索疲劳可靠度进行了研究。
3.
In order to quantify the reliability of stay cable on partially cable-stayed bridge under the influence of vehicle load,fatigue reliability formula of stay cable is modified by assuming that the fatigue life is in accordance with the Weibull distribution.
依据等效疲劳损伤原理,将车辆荷载等效为模型车辆荷载频值谱,利用蒙特卡罗法随机抽样模拟出斜拉索的应力时程,假定结构疲劳寿命服从威布尔分布,推导出疲劳可靠度公式,并以株洲市芦凇大桥主桥为实例进行了验证。
3) fatigue reliability
疲劳可靠性
1.
Conditional probability model for dynamic fatigue reliability of offshore structures considering inspection and repair;
考虑检修的结构动态疲劳可靠性条件概率模型
2.
Dynamic response and fatigue reliability analysis of jacket platform under wave loads;
随机波浪载荷作用下导管架平台动力响应及疲劳可靠性分析
3.
The Fatigue Reliability Design of the Crane Steel Rope;
起重机钢丝绳的疲劳可靠性设计
4) fatigue reliability index
疲劳可靠度指标
1.
This paper calculates the fatigue reliability index curve through analysis of crane stress-history course,judges the security of the crane and works out the next monitoring time referred the minimum target reliability index curve which shows crane needed monitoring.
目前国内起重机都是通过每年定期对其重要部位进行检测后,来判断结构的安全状况,这种检测方式具有很大的盲目性,本文通过对起重机工作过程中的应力-时间历程进行分析,计算出其疲劳可靠度指标曲线,并参考起重机结构需要进行检测的最低目标可靠度指标曲线,来判断结构的安全状况并确定结构需要进行检测的时间点,这种基于疲劳可靠性的起重机结构安全检测方法既节约了检测成本,又保证了其能安全有效的运行。
5) System fatigue reliability
系统疲劳可靠度
1.
According to the fatigue failure mechanism of riveted steel bridges,a double-angle probabilistic fracture failure model(DAPFFM) of riveted bridge members and a system fatigue reliability model were proposed based on the whole riveted member fracture mechanics models.
将铆接钢桥系统疲劳可靠性分析模型应用于浙江路桥的系统疲劳可靠度评估,概率剩余寿命评估结果表明:若按保证桥梁的正常使用功能,超声波探测间隔为1。
6) Fuzzy fatigue reliability
模糊疲劳可靠度
补充资料:必然性,可靠性
必然性,可靠性
certainty
必然性,可靠性[沈r侧nty;月oeToaep毗T‘] 预先确信某事件毫无疑问会实现.必然性是某事件可实现性的特征,且标上了最高水平的概率.在概率论中,必然性的概念是与必然事件(certain event)和以概率l出现的事件相联系的.在实践中,只要某事件的概率充分接近于1,人们就称之为必然性事件.
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