This paper introduces several kind of the damage model of concrete and presents a new kind of non-local damage model by adding the smooth weight function on the classical non-local damage model.
介绍了几种较为成熟的混凝土损伤模型，在传统非局部损伤模型的基础之上引入了光滑权函数构造了一种新型的非局部损伤模型。
Finally, by analyzing all sorts of seismic damage models comparatively, the seismic damage model of high strength concrete frame columns is put forward.
最后通过对各地震损伤模型的比较分，提出了高强混凝土框架柱的地震损伤模型。
Beginning with the damage theory of micro-statistics, the constitutive model of corroded concrete under uniaxial compression is established which is proved by the experimental outcomes.
本文从微观统计的损伤理论出发，建立了腐蚀混凝土单轴受压本构模型，与试验结果较符合。
An anisotropic damage model for concrete subjected to compressive fatigue load is developed based on continuum damage mechanics and the concept of boundary surface.
基于边界面概念和损伤力学理论，建立了混凝土受压各向异性损伤模型。
So this paper aims at presenting dynamic constitutive model of concrete based on damage which can be accepted by engineers and convenient for engineering designs.
基于上述原因，本文旨在提出一种能为工程界所接受、便于工程应用的基于损伤的混凝土单轴、多轴动态本构模型。
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。
In this paper, an orthotropic damage model for concrete is developed within the general framework of continuum thermodynamics for irreversible process with internal variables.
基于不可逆过程热力学，用连续介质力学的方法建立了一个混凝土正交各向异性损伤模型。
In view of the anisotropic damage characteristics of concrete under multiaxial stress state, an anisotropic elastoplastic damage model is presented.
针对混凝土多轴应力状态下各向异性损伤的特点，建立了各向异性弹塑性损伤模型。
The damage principle of the concrete is analyzed according to the experiments, and the damage temperature model is put forward.
在试验的基础上对混凝土损伤机理进行了分析，由此提出了混凝土温度损伤模型。
In this paper, the random particle model and double lines damage model are used, and uniaxial mechanical properties of concrete and the damage mechanism are integrated on meso-level.
本文采用随机骨料模型和双折线损伤模型相结合，在细观层次上对混凝土在单轴荷载作用下的力学特性和破坏机理进行了数值研究。
According to the inner tiny structure of cement concrete, the damage model of cement concrete is established by using damage mechanics.
根据水泥混凝土材料的内部微结构，运用损伤力学知识，建立了水泥混凝土损伤模型。
The research to establish a model of freeze-thaw damage of fiber reinforced lightweight aggregate concrete for relative dynamic elastic based on experimental results has been done.
对冻融循环试验结果研究，提出基于动弹性模量衰减的纤维轻骨料混凝土冻融损伤模型。
A dynamic damage constitutive model was developed accounting for the effect of the initial elastic modulus of the concrete for dynamic analyses of concrete structures.
该文研究考虑初始弹模变化的混凝土动力损伤本构模型的建立方法。
Eventually, the damage evolution and fatigue life of recycled concrete were investigated using the inverted-S damage model.
最后，基于倒s模型研究再生混凝土的损伤演化规律和疲劳寿命。
Therefore, the inverted-S damage model is very suitable for the description of damage evolution of recycled concrete for its strong adaptability and high accuracy.
倒s模型涵盖了损伤演化规律的各种类型，具有适应性强、精度高的特点，适用于混凝土材料的损伤演化描述。
In this paper, the stiffness degradation and damage failure in concrete dams subjected to strong ground motion are simulated by plastic-damage model based on damage index variable.
本文以拉压应力损伤因子为内变量，采用混凝土塑性损伤模型，分析了坝体在地震荷载作用下的刚度退化以及在多维应力状态下拉应力引起的损伤破坏。
The paper presents a damage localization bifurcation model for rock concrete like materials.
针对岩石混凝土类材料，提出了损伤局部化分叉模型。
The main work of this paper is as follows: (1) Highlights the damaged concrete plasticity model of the finite element software ABAQUS on the basis of concrete damage in the existing theory.
本文的主要工作如下：(1)在现有混凝土损伤理论的基础上重点介绍了介绍ABAQUS有限元软件的混凝土损伤塑性模型。
The existing damage model of concrete has a common defect, i , e, lacking of additivity.
目前所建立的砼损伤模型都有一个共同的不足之处即其所描述的损伤缺乏可加性。
This model synthesizes the effect of distortion, energy accumulation, and loading history to damage-failure of prestressed concrete member, thus may be applied to different earthquake patterns.
该模型综合了变形、能量累积以及荷载历程对预应力混凝土构件损伤-破坏的影响，对不同的地震模式有更好的适用性。
The results show that the model of damage evolution is suitable for that four types of concrete of our test conditions, and it can characterize their freezing-thawing damage evolution process better.
试验结果表明，本文所选择的混凝土损伤演变模型可以较好的表征该条件下上述四种混凝土的冻融损伤演变过程。
Then, the damage index recording the material's behavior is integrated into restoring force model of reinforcement and concrete respectively.
将这一记录材料性能信息的损伤指标带入材料各自的恢复力模型以考虑产生损伤后材料的强度和刚度退化。
The utility model has little possibility of rust. The water flow is prevented from permeating into concrete creating the damage.
不会锈蚀，防止了水流渗漏进混凝土造成损坏。
The utility model has little possibility of rust. The water flow is prevented from permeating into concrete creating the damage.
不会锈蚀，防止了水流渗漏进混凝土造成损坏。
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