| 1. | Welded steel strueture
焊接钢结构50 |
| 2. | Research of stress field intensity model on the fatigue strength prediction for welded steel structures
焊接钢结构疲劳强度预测的应力场强模型研究 |
| 3. | Area method and stress field intensity approach to estimate the fatigue strength of welded steel structures are presented in the paper
本文分别建立了焊接钢结构疲劳强度预测的面积法和应力场强法的理论。 |
| 4. | The effectiveness of predicting model is proved by means of comparison between predictions and experiments for a few types of welded steel structures
通过对几类典型焊接钢结构疲劳强度的理论预测与疲劳试验结果的比较，验证了理论模型的正确性。 |
| 5. | One point method , mean square curve method and the maximum likelihood principle to predict p - s - n curve for welded steel structures for arbitary survival rate are presented
本文建立了任意存活率下焊接钢结构p - s - n曲线预测的一点法，均方差曲线法极大似然法。 |
| 6. | Based on the predicting model of effective stress concentration factor , estimating methods of s - n curve for welded steel structures are set up under symmetrical and unsymmetrical stress cycle respectively
本文以有效应力集中系数预测模型为基础，分别建立了对称循环和非对称循环时焊接钢结构s - n曲线的理论预测方法。 |
| 7. | The stress fields in misaligned welded joints , " t " type of plate welded joint , flanged beam and perpendicular flanged beam are calculated respectively , and their stress concentration factors formulation are obtained
采用这两类单元计算了错位板接头、 t型板接头、工字梁焊接钢结构和工字梁十字接头的应力场，得到了相应的理论应力集中系数公式。 |
| 8. | By introducing the concept of the worst - case notch , the theory prediction model of the effective stress concentration factor for welded steel structures are established for symmetrical and unsymmetrical stress cycle respectively
本文在引入“最坏切口”概念的基础上，分别建立了对称循环和非对称循环时焊接钢结构有效应力集中系数的理论预测模型。 |
| 9. | Studying the rule of geometric shape of surface crack during propagation by means of fracture mechanics theory , a predicting method of fatigue crack propagation life and it ' s numerical calculation theory are presented
本文应用断裂力学理论，对焊接钢结构表面裂纹扩展过程中裂纹几何形状的变化规律进行了探讨，提出了疲劳裂纹扩展寿命的预测方法，给出了相应的数值计算理论。 |
| 10. | Energy estimating approach of fatigue crack initiation life for welded steel structures is obtained by using molski - glinka energy density equation , introducing the worst - case fatigue notch factor , and considering the effects of residual stress on fatigue
本文采用应力应变能密度的molski - glinka方程，建立了一种预测焊接钢结构疲劳裂纹形成寿命的能量方法。该方法引入了极值疲劳切口系数，并考虑了焊接残余应力对裂纹形成寿命的影响。 |
