联合验算点是并联结构体系可靠度分析中的一个重要概念。
The joint design points is an important concept in reliability analysis of parallel structure systems.
为了简化结构体系可靠度的计算，有必要研究失效相关性问题。
In order to simplify the calculation of structural system reliability, it is necessary to study the problem of failure dependence.
然后采用最佳矢量法求解结构体系可靠度指标约束下的最小重量优化设计问题。
Secondly, the problem of the minimum weight design is resolved by using the optimum vector algorithm under the constraint of the structure system reliability.
在结构体系可靠度的计算中，一个急待解决的问题是结构构件或截面间的失效相关性问题。
During the calculation of reliability of structure system, failure dependency of the components or the sections is one of the key problems.
第一章介绍了结构体系可靠度分析的必要性和特点并回顾了现有常用的计算结构失效概率的方法。
Chapter 1 briefly reviews the necessity and character of structural systems reliability analysis as well as the existing approaches of estimating the failure probability of structural systems.
以条件概率和数值分析方法为基础，提出了一种新的结构体系可靠度点值估算方法，并通过算例说明了该法的应用。
A new point-evaluation method for structural system reliability analysis is proposed based on conditional probability and numerical analysis method.
在建筑结构的设计与分析中，结构体系可靠度的概念和思想已日益为人们所接受，但它的计算却一直是一个难点问题。
The concept and idea of reliability of system has been accepted in the design and analysis of building structures, but its calculation is a difficult point all the while.
采用在广义随机空间内计算各机构可靠指标，然后利用PNET法计算结构体系可靠度，计算简便，精度也满足要求。
It is suggested that the reliability index of each individual mechanism be calculated in generalized stochastic space, and then structural system reliability be calculated in terms of PNET.
为了将基于结构体系可靠度的设计理论运用到钢框架结构的设计中，必须对工程中钢框架结构的体系可靠度做出实际的评价。
To bring the system reliability-based design theory to use in the design of steel frames, the actual evaluation for the system reliability of steel frames used in engineering is needed.
在建筑结构中，体系可靠度是衡量结构整体性能的一个重要指标。
Reliability of system is an important index that scales the whole performances of building structures.
提出将响应面方法和非线性有限元分析结合起来对桥梁上部结构的体系可靠度进行分析的新方法。
A new method aiming to incorporate the response surface method into the computation of system reliability for composite Bridges is proposed in this paper.
根据有限元理论及最优化理论，同时考虑结构受力特点，给出了塔架体系在可靠度约束下的最优化设计方法。
Based on finite element theory and optimization theory, considering mechanical properties of the structure, the reliability optimization design method of tower truss system is presented.
体系可靠度是衡量结构整体性能的一个重要指标。
Reliability of system is an important index that evaluates holistic performance of structures.
并通过对结构体系的失效概率直接进行调整，实现对现役结构可靠度的维修设计。
We achieve the maintenance design for existing structural reliability by direct adjusting the failure probability of a structural system.
对框架结构体系遭受地震作用时的可靠度进行分析，计算出它的可靠性向量，并与传统的可靠度分析法作比较。
Analyzing degree of reliability when frame structure suffer earthquake effect, we can figure out its reliability vector and compare with traditional degree of reliability analytical method.
在抗倾覆可靠度和围护桩位移和弯矩的可靠度基础上，分析了基坑围护结构的体系可靠度；
Based on reliability of over-turn and displacement and moment of pile, the system reliability of retaining structure is analysed.
提出了模糊结构体系主要失效模式的识别方法，和结构体系的能度可靠性分析方法。
An approach for enumerating the significant failure mode for fuzzy structures, and a procedure for possibilistic reliability analysis of fuzzy structural systems were given.
基于结构的动态可靠度理论，探讨结构加固的优化设计问题，建立了结构加固优化设计的基本方法体系。
Based on dynamic reliability, the problem of strengthening design optimization is discussed. The basic system of strengthening design optimization methods is established.
本文以锦州JZ20 - 2平台为例研究了固定式海洋平台结构构件及结构体系的可靠度分析与安全评定(风险评估)。
In this dissertation, as an example of Jinzhou JZ20-2 offshore platform, the system reliability analysis and safety evaluation (risk assessment) are monographic studied.
在体系可靠度的计算中，一个急待解决的问题是结构构件或截面间的失效相关性问题。
During the calculation of reliability of system, failure dependency of the components or the sections is one of the key problems that need solutions.
运用该体系复模态分析的统一方法，得到了结构响应及动力可靠度的解析表达式。
Using the above method, the analytic expressions of response and dynamic reliability are got.
地震作用下结构体系的可靠度受几种失效路径共同决定。
The corporate influence of the different failure paths on the system reliability should be considered.
考虑两种基本荷载组合，在对平面屈曲约束支撑钢框架结构整体可靠度评价的基础上，给出了在一定目标可靠度下的基于结构体系极限承载力可靠度的实用设计公式。
Considering two basic types of load combinations, the practical design method was proposed to achieve a target reliability index of the system resistance based on the assessment of system reliability.
通过一个具体算例表明，该设计方法既比传统的基于构件可靠度的设计方法经济，又能保证结构体系的可靠度。
The proposed method was proved to be more economical and rational than the traditional method through a design example.
通过一个具体算例表明，该设计方法既比传统的基于构件可靠度的设计方法经济，又能保证结构体系的可靠度。
The proposed method was proved to be more economical and rational than the traditional method through a design example.
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