- partial factor
- partial safety factor
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分项系数的英文
例句与用法
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- It is the researchful purpose of this paper that the methods of appraising the existing structural reliability basing on own information are found , which will impel the methods of appraising the existing structural develop from applied methods to probability methods . the contents of this paper have mainly four , including : firstly , the normal value of permanent load in the existing structure is ascertained by the way that is called bayes - small capacity , which considers the dates of design and the road - test dates . secondly , by introducing the random variable that is statistical ambiguity , the statistics of loading and resistance of existing structure are researched
本文研究目的是针对现有结构的特点，建立基于自身信息的现有结构可靠性的实用评定方法，推动我国的现有结构可靠性鉴定方法由实用鉴定法向概率鉴定法发展，主要研究内容包括四个方面：一、结合结构原设计数据和现场抽样实测数据，研究了恒载标准值的统计推断方法，提出bayes小样本统计推断方法；二、利用统计不定性随机变量，结合现有结构的特点，提出荷载、抗力变异性的小样本统计推断方法；三、分析了现有结构抗力变异性的主要影响因素，并利用实测数据进行了实例分析；四、针对现有结构自身的荷载、抗力统计特性，研究了现有结构承载力的校核表达式，对恒载、抗力分项系数提出修订建议，建立了基于自身信息的现有结构可靠性实用评定方法。 - Basic index and reliability principle of steel structure , and geometric significance are analyzed . the main computation methods , such as two order moment method , separation function and separation item coefficient , linear separation , and central point , check point , monte - carlo are presented . reliability analysis under relative variable , boundary determination ( single and double boundaries ) is analyzed
研究了钢结构可靠度基本原理、可靠指标的几何意义，分析了钢结构可靠度计算的一次二阶矩方法、分离函数和分项系数法、线性分离法，以及中心点法、验算点法、蒙特卡罗( monte - carlo )法，提出了变量相关情况下的结构可靠度分析方法、可靠度界限分析方法(单侧界限与双侧界限) ，基于极值分布的可靠度分析，并对钢结构动力可靠度分析方法进行了初步探讨。 - It shows that the method and the results can be used for designer , capital construction manager and researcher reference . 6 > the statistic parameters of load effect and resistance on fatigue reliability are studied in the paper . according to statistic analyzing of the real data from spot and the old test data , the fatigue reliability is calibrated on 8 details , which are provided in the code , by first order second moment ( fosm )
6 、通过钢结构吊车梁实测资料与以往疲劳试验资料进行统计分析，提出了荷载与抗力的统计参数，用一次二阶矩方法对钢结构规范中规定的8类连接和构造型式的疲劳可靠性进行了校准分析，根据计算结果给出疲劳目标可大连理工大学博士学位论文一靠指标的建议值与分项系数的设计表达式。 - An optimal model of pre - stress steel truss is presented based on reliability . the reliability index is replaced by subentry coefficient in optimal model restrict equation , and deal with corresponding restrict conditions with applied expressions . linear programming associated with full - constrained methods are used in this paper , which improve the profit of multi - pre - stress steel structure design and the reliability of structures as well as model and arithmetic
本文分析考虑可靠性的预应力钢结构的优化理论，建立了基于可靠性的预应力钢结构的优化模型，将可靠度指标以分项系数的形式引入优化模型的约束方程当中，以实用表达式形式处理相应的约束条件，并采用线性规划和满约束准则结合的方法进行优化，既提高了多次预应力钢结构设计的效益，又保证了结构的可靠性，模型和算法更加完善。