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structural resistance 【航空】前面阻力。

structural steel

On the basis of analysis on the influences of the foundation soil in goafs on the site seismic properties and the plane layout of buildings on the performances of the structural resistance to deformation , this paper puts forward a series of basic design plans and construction measures for buildings on goafs 摘要在分析采空區地基土對場地地震屬性及建筑物平面布置對結構抗變形性能影響的基礎上,提出了采空區建筑物基礎設計方案及構造措施。

This paper studies the reliability of structure during the construction period based existing data and the consideration of structural resistance increasing with time , and analyzed an example , the result of the analysis shows this method is available to the analysis of the structure reliability 在已有的鋼筋混凝土結構現場施工活荷載統計資料的基礎上,考慮了抗力在施工期間隨時間增長的特性,研究了結構的可靠度,分析了算例。

The equation of the structural limiting state can be expressed : z = r - s , thereinto r and s respectively are structural resistance and load response expressed with stochastic variables , we ca 結構的極限狀態方程可以表示為: z = r ? s ,其中r和s分別為用隨機變量表示的結構的抗力和荷載響應,通過極限狀態方程就可以得出結構的失效概率,或者是用可靠指標表示的結構的可靠度。

To overcome the shortage , in this paper , the time parametert is introduced into the structural resistance and load model , and it makes the calculation of the dynamic reliability available . 2 本文在借鑒前人研究成果的基礎上,在結構抗力模型和荷載模型中引入了時間參數t ,提出了一個簡單、實用的動態可靠度計算方法,為后文的可靠性評定,壽命預測奠定了基礎。

5 . have known the goal reliability index m , the structural resistance can be back calculated ; furthermore the members can be designed 五、已知目標可靠指標_ m 、荷載模型及參數,結合動態可靠度理論可反求結構抗力,進而進行構件的截面設計。

Information updating based on multi - layer bayes structural resistance model 先驗抗力模型的結構信息更新