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- Reliability of Fatigue Limit State of Concrete on Railway Bridges 鐵路混凝土橋混凝土疲勞承載能力可靠度
- The fatigue limit of 45 steel has increased by a fac-tor of 55 and 74%. 45鋼的疲勞極限分別提高55%25和74%25。
- Shear lag is reduced for prestress in serviceability limit state . 在正常使用狀態下,預應力平抑了箱梁剪力滯效應。
- Compressive residual stress are the main factor in the increase of torsion fatigue limit. 噴丸后扭轉疲勞極限提高的主要原因是殘餘壓應力的作用。
- It is proved that plain concrete does not have a fatigue limit while for FRC it is uncertain. 結果素混凝土不存在疲勞機限;纖維混凝土是否存在確定的疲勞極限值仍屬未知;
- Ultimate limit state for fatigue 疲勞承載能力極限狀態
- Compressive residual stress are the main factor in the increase of torsion fatigue limit . 噴丸后扭轉疲勞極限提高的主要原因是殘餘壓應力的作用。
- Serviceability limit state for fatigue 疲勞正常使用極限狀態
- In the face of exceptional conditions, the method is guaranteed to limit state corruption to the current instance. 在遇到異常情況時,此方法保證將狀態損壞限制到當前實例。
- Under exceptional conditions, the method is guaranteed to limit state corruption to the current instance. 在異常情況下,該方法保證將狀態損壞限制到當前實例。
- The limit state should be taken into account when considering any particular failure mode. [ISO/WG 16528-1, A. 2] 當考慮任何一種特定的失效模式時,理應考慮其極限狀態。
- The limit state equations of main failure modes are formulated by the increment interval load method. 並提出用區間增量載荷法生成主要失效模式的極限狀態方程。
- Results showed that the fatigue behavior of the YW-1 adhesive beared a resemblance to that of the metal material and the fatigue limit value of the copper oxide-phosphate inorganic adhesive was equal to 41 25% of the static strength value. 結果表明 :磷酸氧化銅無機膠的抗拉疲勞特性與金屬材料的特性較相似 ,該無機膠的抗拉疲勞極限為其靜拉伸剪切強度的 41 2 5%25。
- Limit state equation is presented for the welded pipeline according to code and FOSM method is used to obtain aseismic reliability of welded pipeline. 然後根據規範給出了供氣管線在地震作用下的極限狀態方程,並採用驗算點法得到其可靠度。
- To improve this I made a modification from two sides:to increase the fatigue limitation of shaft and to decr... 改進后的導紙輥投入使用后,效果良好,經半年多運行,未發生軸頭斷裂現象。
- After experimental data processing, material's viscousness coefficient was acquired and a new method to determine fatigue limit by the threshold of plasticity energy dissipation was given. 通過對試驗數據的分析,求出了材料的黏性係數,給出了利用塑性能耗的起點確定材料疲勞極限的方法。
- Firstly part of quadratic term of Taylor series is chosen; a low-dimension surface is used to approximate limit state surface; and the modified reliability formula is derived. 首次選取泰勒級數的部分二次項,用一個距原點最近點處擬合的超低維曲面近似極限狀態面。
- The result indicates that the improvement of the fatigue limit is due to the nano-crystallization and severe plastic deformation in the surface layer induced by high-energy shot peening. 結果表明,高能噴丸后其表層組織發生嚴重塑性變形並實現組織納米化,是提高彎曲疲勞壽命的主要原因。
- Because the HMA fatigue limit is the theoretical base of perpetual pavement design, to grasp the strain distribution and strain action of HMA layer is key for perpetual pavement design. 摘要瀝青混合料疲勞極限的存在是永久路面結構設計的主要理論依據,因此掌握瀝青層底應變的分佈和應變行為規律是永久路面設計的關鍵。
- Comparative study on random sampling and Latin hypercube sampling with and without variance reduction techniques is carried out to a number of different limit state functions. 在一系列不同的極限狀態函數條件下,對隨機抽樣法和拉丁超立方抽樣法以及是否使用方差減縮技術進行了比較研究。