Stability of the crack should be checked by the method of fracture mechanics, which should be a supplemental stability condition of the gravity DAMS.
坝踵裂缝扩展是重力坝破坏的开始。应该用断裂力学方法校核坝踵裂缝的稳定性，并以此作为重力坝稳定的补充条件。
In the evaluation of highway steel truss Bridges based on the method of fracture mechanics, the plane fracture toughness K IC must be detected firstly.
应用断裂力学方法对公路钢桁桥的安全性能进行评估中，必须首先测出平面应变断裂韧度KIC。
Supposing the defects as the initial crack, using the theory and testing method of fracture mechanics, the nonlinear fracture process and character of frozen soil are investigated.
把这些缺陷简化为冻土中的初始裂纹，应用断裂力学理论和试验方法，研究冻土的非线性断裂过程和特征。
Based on a failure model of fracture mechanics pattern, this new method deals with the life estimation in the light of the standard promulgated by the Railway Ministry for rail replacement.
在运用断裂力学模式所建立的故障模型基础上，该法用铁道部部颁换轨标准处理寿命估算。
In this paper, the outline of this new fracture control design method and its main mechanics concepts have been discussed.
本文讨论了这种新的断裂控制设计方法的梗概及其中的主要力学概念。
A method for predicting the bending fatigue life of a surface quenched gear is proposed based on two-dimensional linear fracture mechanics and a computer program is developed.
基于二维线性断裂力学理论，提出了一种表面淬火齿轮的弯曲疲劳寿命预测方法，并开发了相应的计算程序。
This paper studies the fracture mechanics of piston crown crack by means of finite element method and photoelastic method.
本文应用有限元法和光弹性试验对活塞顶的裂纹进行断裂力学分析。
Based on fracture mechanics and theory of reliability, this paper offers the reliability calculation method for welded box beam having fracture.
根据断裂力学及可靠性理论，提出了一种起重机焊接箱形梁存在裂纹缺陷的可靠度计算方法。
The paper deals with fatigue life of welded joints of offshore structures by using the method of probabilistic fracture mechanics.
本文用概率断裂力学的方法研究了海洋平台管节点的疲劳强度。
A new method of testing the critical stress intensity factor for stress corrosion cracking based on linear-elastic fracture mechanics theory and stress corrosion cracking theory was put forward.
应力腐蚀临界应力强度因子的测试方法是基于线弹性继裂力学理论和应力腐蚀理论提出的一种新的测试方法。
In addition, the crack propagation and fatigue damage of CSP under wind load in the case of the material which have initial crack have been analyzed using fracture mechanics method.
此外，还运用断裂力学方法分析了材料有初始裂纹的管道在风荷载作用下的裂纹扩展及疲劳损伤。
For the load-baring capacity of the initial lining using steel fiber reinforced concrete, a modified fracture mechanics method is used in this paper to achieve the design purpose.
然后用改进后的断裂力学设计方法对钢纤维混凝土作为初期支护的承载能力进行了结构计算。
Isodyne method is very suitible to deal with composite mechanics, fracture and contact problem, The paper described the theory and technique of Isodyne Method.
在复合材料力学、断裂力学和接触问题等领域有广泛的应用前景。
Finite element analysis method which combines the theory of elasticity viscoelasticity fracture mechanics theory and methods.
其中有限元分析方法结合了弹性力学、粘弹性力学、断裂力学的理论和方法。
A frozen soil engineering problem of pile foundation uplift, is analyzed using fracture mechanics method, and a simplified model for calculation the stability of pile foundation uplift is presented.
对桩基冻拔的冻土工程问题进行了断裂力学分析，并给出简化模型。
A frozen soil engineering problem of pile foundation uplift, is analyzed using fracture mechanics method, and a simplified model for calculation the stability of pile foundation uplift is presented.
对桩基冻拔的冻土工程问题进行了断裂力学分析，并给出简化模型。
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