最后用结构可靠度分析中的几何法来计算可靠度指标。
Finally, reliability index of the approximation is evaluated by geometric method in structural reliability analysis.
结构可靠度分析的核心是计算预定义功能函数的失效概率。
Structural reliability analyses seek to calculate the failure probability of a predefined performance function.
结果表明，结构最小抗力点可以作为结构可靠度分析的一个关键点。
The feature of the three methods is analyzed. The idea that the minimum resistance time can be taken as a key point for structural reliability analysis is presented.
借鉴结构可靠度分析方法，给出了供水管网抗震功能可靠度分析的一次二阶矩方法。
The mean-value-first-order-second-moment method and advanced first-order-second-moment method are used to analyze the aseismatic serviceability of water supply network.
一次二阶矩方法是结构可靠度分析的基本方法．一次二阶矩方法的计算精度依赖于验算点附近功能函数的非线性程度。
The first-order second-moment method is fundamental in structural reliability analysis, its accuracy depends upon the nonlinear extent of performance functions around checking point.
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.
提出了综合考虑动载荷和结构参数双重随机性的动力可靠度分析方法。
The method for dynamic reliability analysis, in which the randomicity of dynamic loads and structural parameters can be considered, is proposed.
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.
通过引入有限元方法，混合分析法可适用于结构可靠度问题。
By introducing the FEM, the mixed method is extended to perform finite element reliability analysis.
通过算例就各参数的随机性对结构动力可靠度的影响进行分析，验证本文方法的可行性。
Finally, the influence of the random of structural physical on the structural dynamic reliability is analyzed through the examples, validating the feasibility of this method.
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.
也有利用可靠度理论分析边坡结构可靠性的研究报告，但目前其研究成果还不够成熟。
Some research results about using reliability method to analyze the slope stability are also reported, but these research are not mature enough at present.
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.
在同时考虑结构物理参数、几何尺寸和作用荷载随机性的情况下，给出了结构有限元和基于可靠性的灵敏度分析方法。
In finite element and reliability analysis, the randomness of the structural physical parameters, geometry dimensions and the stochastic loads applied on structures are all considered.
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.
由此给出了人误概率的可能性分布函数，建立了基于人误概率可能性分布的结构模糊随机可靠度分析模型。
In this paper, the analysis model of structural fuzzy-random reliability of considering human error probability possibility distribution function is derived.
以概率统计为基础来分析结构破坏概率的可靠度理论的引进是一种必然趋势。
It is certain we make use of reliability theory basing on the probability Stat. methods to analyze the invalidation probability of deep pit retaining structure.
其次，在结构抗风随机动力分析的基础上，本文研究了抗风结构基于安全性和舒适性的可靠度适用算法；
Secondly, based on the analyses of random dynamic response of anti-wind structures, the structural reliabilities of safety and comfortability are studied contrastively.
最后通过实例计算分析了三种结构系统平均可靠度受通信节点数影响的情况。
Lastly, the circumstance which the system average reliability of three topologies is affected by the node number is analyzed by an illustration.
本文又应用可靠度理论对支护结构的稳定性作出了详细的分析。
Based on the reliability theory, the stability of braced excavation is analyzed in detail.
根据工程实践经验和结构可靠度理论，进行分析比较确定聚类指标、评定等级量化标准及聚类灰类。
According to the experience from engineering practices and reliability theory of building structures, clustering index, quantified criterion and clustering classes are confirmed.
本文以一个实际工程为例，对其进行了结构抗震可靠度分析和优化设计计算。
In this paper we take an actual project as example, did some research on the structure's seismic reliability analysis and optimization Design.
并根据结构可靠度理论，提出了碳化环境下PC结构耐久性可靠度的分析方法。
According to the theory of structure reliability, an analysis method of durability of PC structure in carbonation is developed.
通过对靠船墩三维结构随机力学分析，提出基于可靠度理论下的靠船墩设计方法，可直接应用于工程实践。
Based on the analysis of three-dimensional structure random mechanics of pier, this paper advances reliability design method, which can be applied directly in engineering practice.
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.
针对既有桥梁结构的特点，建立了考虑荷载历史的可靠度分析模型，并讨论了其计算方法。
Models of reliability analysis were established and calculation methods of the models were discussed with consideration of load history for the evaluation of existing bridge structures.
对格式爆破网路的结构进行分析计算，给出了计算网路的结点准爆率和可靠度的有效方法。
The frame of lattice explosion network is analysed and computed, and an effective method to compute the reliability and probability of explosion network is given in this paper.
此外，随机延性需求谱还可以用于结构的抗震可靠度分析。
Furthermore, probabilistic ductility demand spectrum can be utilized in seismic structural reliability analysis.
潜艇耐压结构系统可靠性分析的算例表明，本方法可有效地解决非线性失效方程的工程结构系统可靠度的计算问题。
Examples for a submarine structure indicate that this method is practical and useful, and is especially suitable for reliability analysis with highly nonlinear failure surfaces.
本文探讨了功能函数不明确结构四阶矩可靠度的分析方法。
In this paper, the four-moment reliability analysis method for perfopmance function implicit structure is discussed.
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