混凝土断裂

而基于能量平衡方法推出的临界能量释放率G（Ic），在分析研究混凝土断裂中应同K（Ic）具有同样的效果。

While it is known that Glc the critical energy release rate based on the energy balance method should have the same effect as KIc in depicting the fracture of concrete .

混凝土断裂问题一直受到国际学术界的关注。

Fracture of concrete has been the concern of the international academic community .

混凝土断裂韧度K（ⅡC）的试验研究

Experimental study on fracture toughness K_ (ⅱ c ) of concrete

掺合料对砼早期抗裂性的影响混凝土断裂能GF随龄期、强度的变化规律

Effect of age and strength on fracture energy of concrete

混凝土断裂能GF的尺寸效应研究

Research of Size Effect on Fracture Energy C_F of Concrete

用相关分析法预测混凝土断裂能GF

Forecasting Concrete Fracture Energy GF by Correlation Analysis Method

混凝土断裂能和双K断裂参数的试验研究

The Experimental Study on Fracture Energy and Double - K Fracture Parameter of Concrete

HF碾压混凝土断裂韧性的初步探讨

The Preliminary Study of Fracture Toughness of High Flyash Content Rolled Concrete

双参数模型是一种基于修正的线弹性断裂力学的混凝土断裂判断准则。双K参数模型则以虚拟裂缝模型为基础，考虑了混凝土内聚力的作用。

Double-parameter model is one based on corrected linear fracture mechanics and double-k model is based on fictitious crack model .

Weibull分布及其在混凝土断裂能试验数据分析中的应用

Weibull distribution and its application in trial data analysis of fracture energy

本文通过试验研究了三点弯曲梁试件厚度对砂浆和混凝土断裂韧度K（Ic）的影响。

By means of experiment , the influence of specimen thickness on fracture toughness KIC of mortar or concrete has been investigated .

本文用三点弯曲梁研究了混凝土断裂能GF。

The three-point bending notched beam is used to study the fracture energy GF and the energy release rate Ge of concrete in this paper .

混凝土断裂能GF是材料的一个基本性能，表示扩展单位裂缝面所需要的能量。

The fracture energy GF of concrete is one basic material characteristic , representing the energy necessary to create a unit area of fracture surface .

通过三点弯曲断裂SEM试验，获得了混凝土断裂全过程的扫描电镜图像。

Based on three-point bending fracture tests with scanning electron microscope ( SEM ), the subcritical fracture process of concrete was photographed and analyzed .

作为一种能量指标的混凝土断裂能GF只能表征混凝土断裂全过程的平均能量吸收，而并不涉及这两个阶段的能量变化。

Whereas GF , although an energy index , only denotes the average energy absorbed during the whole concrete fracture process , ignoring those two procedures mentioned above .

其中，楔入劈拉试件因其在实际操作过程中的诸多优点而有希望成为测试混凝土断裂能GF的标准。

Among them , the wedge splitting test is preferred as it might become a promising test standard for fracture energy of concrete .

通过模型和三点弯曲断裂SEM试验，详细研究了混凝土断裂全过程及亚临界扩展的细观机理。

The mechanisms of concrete fracture process and subcritical crack growth in mesoscale level have been systematically investigated through the model tests and the three-point bending fracture tests with Scanning Electron Microscope ( SEM ) .

阐述了混凝土断裂过程区（FPZ）产生和发展的机理；

The mechanism of formation and development of fracture process zone ( FPZ ) of concrete is elaborated .

在本研究过程中，采用了RILEM推荐的试件，研究了试件尺寸（厚度及断裂韧带高度）对加气混凝土断裂能测定的影响。

The influence of the specimen 's size is investigated and analyzed with the theory in fracture mechanics .

采用楔入劈拉试件几何形式，进行了最大尺寸为1200mm×1200mm×200mm混凝土断裂试验。

Wedge splitting fracture tests are performed on concrete specimens with the maximum dimension of 1 200 mm × 1 200 mm × 200 mm .

低配筋混凝土断裂韧度的变化

Variation of Fracture Toughness of Concrete with Low Percentage of Reinforcement

基于神经网络的混凝土断裂参数灰色软测量

Grey Soft Sensor of Concrete Fracture Parameters Based on Neural Network

楔入劈拉试验支承形式对混凝土断裂韧度的影响

The effect of support on concrete fracture toughness in wedge-splitting test

岩石、混凝土断裂力学在国内的进展

The Development of Fracture Mechanics for Rock and Concrete in China

图像分析技术在混凝土断裂面研究中的应用

Application of Image Analyzing Technique on Examination of Broken Concrete Profile

聚合物水泥混凝土断裂的分形特征

The Fractal Behaviors of the Fracture on Polymer Cement Concrete

混凝土断裂韧度的概率模型研究

A study on probability model of fracture toughness of concrete

混凝土断裂特性与裂纹张开位移

On the Fracture Behavior and Crack Opening Displacement of Concrete

粗合成纤维混凝土断裂性能试验研究

Experimental study on fracture properties of synthetic macro-fiber reinforced concrete

基于细观层次的混凝土断裂过程及破坏机理的数值分析

Numerical Analyses for Fracture Process and Failure Mechanism of Concrete on Meso-level