【摘要】 运用概率的方法分析了石化企业中管式加热炉在地震作用下的可靠性 ,用改进的一次二阶矩可靠度方法分析了现行相关规范的可靠度水平。该文确定了优化的分项系数 ,给出了按可靠度设计的抗震设计表达式 ,改善了各构件在不同地震作用下可靠度的一致性。更多还原

【Abstract】 By means of probability method,the reliability of tubular furnace under seismic action in petrochemical industry is analized.The fiduciary levels of present relevant codes are analized by the use of improved linear secondary order moment method.In this article,the itemized coefficient is determined.In accordance with reliability design,the aseismic design formulas are given.The consistencies of fiduciary level under different seismic action for every structure are improved.更多还原