This paper is based on the understand of the concrete material. The mathematic model to study the process of concretes damage and fracture is being put forward.
本论文立足于对混凝土材料特性的认识，提出一个进行混凝土损伤与断裂过程模拟的细观数值模型。
Applying theory of linear elasticity fracture mechanics to the analysis of high strength concrete (HSC) compress shear member's cracking stress, a corresponding model is established in this paper.
把线弹性断裂力学的理论应用到高强混凝土压剪构件的开裂强度分析中，建立相应的计算力学模型。
The features of fracture mechanics of plaster as the model material are similar to those of the concrete.
模型材料石膏具有与混凝土相似的断裂力学特性。
The cracking mechanism based on non linear fracture model for rock concrete materials is proposed and micro mechanical model for fracture process zone (FPZ) established.
提出了一种描述岩石、混凝土类材料断裂损伤过程区的细观力学模型，用于分析材料的非线性断裂的微观机理。
The fracture properties of RPC(Reactive Powder Concrete) and fibre RPC are analyzed by the Fictitious Crack Model(FCM) and the linear elastic fracture mechanics.
采用虚拟裂缝模型结合线弹性断裂力学的方法，分析了RPC（活性粉末混凝土）及纤维增强RPC的断裂特性；
Based on the failure analysis of reinforced concrete and the fracture behavior of concrete as a type of quasi-brittle materials, a model of matrix crack with bridging bar is proposed in this paper.
基于钢筋混凝土的破坏分析，结合混凝土类准脆性材料的断裂特性，本文提出了强化筋桥联基体裂纹力学分析模型，在该虚拟裂纹端部存在粘聚力分布，而强化筋在桥联裂纹处具有与基体脱离的部分段。
A discrete crack model based on the extended finite element method (XFEM) was used to describe the nonlinear fracture of concrete gravity DAMS during earthquakes.
为了模拟重力坝在强震作用下的破坏过程，利用扩展有限元框架下的分离裂纹模型描述混凝土中的裂纹扩展。
Based on the adhesive fracture test results of new and old concrete of the authors, a toughness model of adhesive interface of new and old concrete is put forward.
在新老混凝土粘结面断裂性能试验的基础上，建立了新老混凝土粘结面断裂破坏模式，分析讨论了界面层特性及界面微裂缝扩展对新老混凝土粘结面断裂性能的影响。
A fracture model for damaged materials like concrete and rocks is presented in the paper.
本文研究了混凝土、岩石类损伤材料的宏观断裂模型。
A new method, lattice model, is presented to simulate the fracture of disordered brittle materials, such as rock, concrete.
采用二维格构模型来模拟岩石类非均质材料的开裂过程。该方法能较好地反映材料微结构对开裂的影响。
On the basis of piece-wise-linear plasticity and fracture mechanics, this article presented a 2-dimensional holonomic and nonholonomic constitutive model for cohesive crack of concrete-like materials.
基于分段线性塑性理论和断裂力学理论，提出了一种二维的全量形式和增量形式的粘性裂纹的本构模型。
On the basis of piece-wise-linear plasticity and fracture mechanics, this article presented a 2-dimensional holonomic and nonholonomic constitutive model for cohesive crack of concrete-like materials.
基于分段线性塑性理论和断裂力学理论，提出了一种二维的全量形式和增量形式的粘性裂纹的本构模型。
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