limit state

Based on the moment estimation of limit state function for calculation of failure probability, a new reliability sensitivity analysis method is presented.

基于极限状态函数矩估计的失效概率计算，提出一种新的可靠性灵敏度分析方法。

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Considering two uncertainties, randomness and fuzziness, in slope stability assessment, and taking fuzzy random variables as basic variables, a slope fuzzy random failure function taking and a slope fuzzy random limit state equation is established.

考虑边坡稳定评价中存在的两种不确定性&模糊性和随机性，以模糊随机变量为基本变量，建立模糊随机功能函数和模糊随机极限方程，得到模糊可靠指标和模糊可靠度。

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A limit state function is established and reliability is analyzed.

2，建立了极限状态方程并进行了可靠度分析。

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In the Ultimate limit state, ultimate loading capacity is significantly enhanced.

承载能力极限状态下，可以显著地提高梁的极限承载力。

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Before each specimen reached to the ultimate limit state, deflections and widths of cracks of all the specimens have reached to the service limit.

在本试验条件下，各试件在达到承载能力极限状态之前，裂缝宽度和挠度均达到正常使用极限状态控制的限值。

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Suggestion for Limit State Design Method of Bridge Structures in Urban Railway Transportation System

城市轨道交通桥梁按极限状态法设计的建议

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Shear lag is reduced for prestress in serviceability limit state.

在正常使用状态下，预应力平抑了箱梁剪力滞效应。

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Although Bridge Crane was designed based on the traditional allowable stress and limit state method and it could meet the demand, the great deadweight and materials waste always exist.

传统的许用应力法和极限状态法设计的桥式起重机在工程上能满足需要，但存在自重较大、材料浪费的问题。

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The design of a geotechnical work should satisfy both the ultimate limit state and serviceability limit state requirements.

岩土工程设计需要同时满足极端的极限状态和功能极限状态要求。

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Considering beam sagging moment capacity, joint moment capacity, joint rotation capacity and required rotation capacity, the plastic analysis method is suitable for the design of beams for semi-rigid composite frames under vertical loads at ultimate limit state.

塑性分析方法考虑了组合梁的跨中弯矩承载力、节点弯矩承载力、节点转动能力和设计需要的节点转动能力，适用于竖向荷载下半刚性连接组合框架梁的承载能力极限状态设计。

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According to three failure models of slide-resistant pile ( flexural failure, sheared failure and soil failure), three limit state equations are respectively developed after consulting lots of reference and deliberate analysis.

在查阅文献，深入分析和理论研究基础上，针对结构受弯破坏、受剪破坏和锚固段桩侧岩土体受压破坏三种主要失效模式，分别建立了极限状态方程。

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A limit state function of the reliability analysis on bearing capacity of foundation is proposed, which is in consideration of the inde-

针对地基承载力的可靠度分析，提出了既考虑岩土参数不确定性，又考虑计算模式不确定性的极限状态函数之形式；讨论了可靠度分析方法及基本变量的选择对计算精度的影响；

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The reliability based probability limit state design method will be covered in the new steel highway bridge design code because the current design code is outdated.

由于我国现行公路钢桥设计规范已经过时，新的规范中采用概率极限状态设计方法势在必行。

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The results indicate that it is conservative to design CFST arch bridges by using allowable stress method in steel tube, and that it is reasonable to use limit state method.

数例表明，目前广泛应用钢管应力控制CFST的设计过于保守，文中方法似更合理。

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The Ultimate Limit State s Reliability analysis of of Reinforced Concrete Beam

钢筋混凝土梁承载能力极限状态可靠度分析

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Stability analysis of power system operating at a limit state

电力系统在一种极限运行状态下的稳定性分析

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The method to define the ultimate limit state of carrying capacity, critical failure, critical strengthened quantity and critical height coefficient of concrete compressive region is suggested.

对粘贴碳纤维布抗弯加固梁正截面承载能力极限状态、界限破坏状态以及界限加固量进行了合理的界定。

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According to the modules of ANSYS, the reliability of some RC members is analyzed from two aspects, the serviceability limit state and the ultimate limit state.

利用ANSYS~（？）软件中相应模块，从正常使用极限状态和承载能力极限状态两个方面，对钢筋混凝土构件进行了可靠性分析。

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Bearing capacity analysis of self-balanced load test pile under the control of limit state and deformation

极限状态及变形量控制下自平衡试桩承载力分析

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Applied IDA method to Seismic Vulnerability Analysis of masonry buildings, and got threshold value of the limit state. Seismic vulnerability curves of 7 building were obtained, and the fitting equations were got.

阐述了地震易损性分析的基本原理和基本分析步骤，将IDA方法运用于地震易损性分析，得出各极限状态的界限值，并绘出地震易损性曲线，求出曲线的拟合方程。

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For super-long tank structure, on the premise of satisfying the ultimate limit state, the key point is satisfying the serviceability limit state, which just is the requirement of impermeability.

对于超长水池结构，在满足承载能力极限状态的前提下，关键还要满足正常使用极限状态的要求，即水池的抗渗性的要求。

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Probability Limit State Design Method for Determining the Depth of Single& anchored Sheet Pile Wall Penetrating into Earth

确定单锚板桩墙入土深度的概率极限状态设计法

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The improper integral is the limit state of the definite integral.

广义积分是定积分的极限状态；

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The quadratic multinomial was imported to replace the iterated equation in constitution of the limit state equation, which let the reliability analysis of the key point come ture.

构造圆形截面正截面偏压承载力极限状态方程时，采用二次多项式替代了求解受压区混凝土截面面积的圆心角的超越方程，实现了对该节点的可靠度计算。

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In order to solve the problem on the reliability calculation of dependent and non-normal stochastic vector in regard to non-linear equation of limit state. Method of second moment matrix ( Sc-M method) is presented.

为了解决非独立非正态随机向量关于非线性极限状态方程的结构可靠度计算问题，本文提出了二阶矩矩阵方法（简记为S c&M法）。

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