本文研究了混凝土、岩石类损伤材料的宏观断裂模型。
A fracture model for damaged materials like concrete and rocks is presented in the paper.
其结果与WEK断裂模型所估计的损伤区尺寸颇为一致。
The calculated results coincide with damage zone sizes estimated by means of WEK fracture model.
本文方法同样适用于其它混凝土断裂模型的断裂参数的计算。
The method is also valid to be used for fracture parameter computations of other fracture criterions of concrete.
利用弥散裂缝理论，提出了压实黏土拉伸状态下的脆性断裂模型。
Based on the smeared cracking theory, a brittle fracture model for tensile state of compacted cohesive soil is proposed.
其主要任务是研究各种断裂模型中断裂位置与重力异常线性构造信号极大值位置之间的对应关系。
The main task is to research relation of all kinds of fault models fault positions and gravity anomaly linear structure signal maximum positions.
此结果支持了基于绝对反应速率理论的光纤断裂模型，并预测了裂纹扩张速率与外部应力强度的关系。
This result supports previous fracture models that are based on absolute reaction rate theory and predicts an exponential dependence of crack extension rate on applied stress intensity.
通过断裂模型分维值计算和分析，有助于准确地进行断裂划分并可以对所划分的断裂进行有效的检验。
Calculating and analyzing the fractal dimension values will be beneficial to accurately divide the fractures and examine the divided fractures effectively.
运用损伤力学以及断裂力学理论，定义了岩体损伤张量、有效应力张量、损伤应变等，建立了损伤演化方程，从而建立了多裂隙岩体的损伤断裂模型。
Using the theory of damage mechanics and fracture mechanics, the damage tensor, effective stress tensor and damage strain, etc. of rock mass are defined, propagation equation of damage is developed.
他将风力公式应用到他的模型中，并假定树枝受到风力作用而断裂的概率是恒定不变的，据此他推导出了达·芬奇公式。
When he plugged that wind-force equation into his model and assumed that the probability of a branch breaking due to wind stress is constant, he came up with Leonardo's rule.
进一步阐述了用非局部理论模型求解断裂力学问题的正确性。
The result shows again the correctness of the nonlocal model for solving problems in fracture mechanics.
疲劳寿命的计算采用断裂力学方法，建立疲劳裂纹扩展模型和失效模式的极限状态方程。
Fatigue damage estimation of the tendons was made using fracture mechanics approach, establishing the fracture crack growth rate model and limit state equations for failure modes.
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。
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.
本文提出了光面爆破和预裂爆破的断裂力学模型，分析了应力波、爆生气体准静态压力在爆破破裂过程中的作用。
This paper presents a fracture mechanics model of smooth blasting and pre-split blasting, analyzes the function of stress waves and quasi-static pressure of explosion in blasting process.
而在采矿工程中，相似材料模拟的往往是层状模型，岩层的弯曲变形和断裂破坏是关键问题。
In mining engineering, strata models are often simulated by similar material simulation model, rock bending deformation and fracture damage is the serious problem.
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。
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.
只有建立复合材料的桥连动力学模型，才能更好地研究复合材料的断裂动力学问题。
Only, a dynamics model of bridging fiber is built, fracture dynamics problems of composite materials are solved very well.
模型计算结果表明，断裂的剪切破裂能随深度增加通常呈现先上升，在某一深度上达到峰值后逐渐衰减的形态。
The model calculation results indicate that shear fracture energy of a fault generally increases with depth; at a certain depth it reached a peak value, then turns gradually attenuated.
滑动裂纹模型被广泛应用于岩石类材料压剪断裂分析及损伤分析。
The sliding crack model has been widely applied in the damage and fracture analysis of the rock-like materials.
用部分研究项目的卫星遥感图像进行断裂、褶皱、岩性等信息模型描述和处理效果的对比。
The contrast of the model description and processing effect for fault, fold and rock characteristics base on some satellite remote sensing images processing project was studied.
基于选定的路面力学模型，采用断裂力学中的疲劳裂缝扩展理论对路面反射裂缝的扩展规律进行分析。
Based on the pavement mechanics models, fatigue cracking theory of fracture mechanics was used to investigate the rule of reflection cracking.
探讨各向同性功能梯度材料裂纹板热弹性断裂问题的数学模型。
The mathematical models of thermal elasticity fracture problem of cracked plate for isotropic functionally graded materials are researched.
据弹性力学理论、断裂力学知识，给出了该问题的力学模型：一类偏微分方程边值问题。
According to elastic mechanics theories and fracture mechanics knowledge, the mechanics models for boundary value problem to a class of partial differential equations are presented.
基于线性界面断裂力学，提出了焊接接头的新模型—多层模型。
Based on Linear interfacial Fracture Mechanics, a new welding joint model-multi layered interfacial model is proposed in this paper.
采用弹性球-弹性杆的纤维运动模型，建立了纺粘法生产断裂纤维的运动方程；
The motion equation of spunbonded broken fiber was established using an elastic sphere-elastic rod motion model.
利用分支裂隙扩展建立断裂力学模型，可导出节理内聚力的一种具有封闭解的时间方程。
Fracture mechanical model is developed by utilizing subcritical crack growth, leading to an equation that has a closed solution for joint cohesion as a function of time.
为了研究富气输送对管道动态断裂的影响，建立了富气输送裂纹动态扩展管道模型。
Fractures in the rich gas transportation pipeline was analyzed based on a crack propagation pipeline model for rich gas transmission.
采用简化断裂力学模型计算了剩余寿命与探测间隔。
Remaining fatigue life and safe inspection intervals were determined on the basis of fracture mechanics model.
根据铆接构件的疲劳破坏特征，建立了铆接钢桥简化断裂分析模型。
According to the fatigue failure character of riveted members, a simplified fracture mechanics model (SFMM) was developed.
根据铆接构件的疲劳破坏特征，建立了铆接钢桥简化断裂分析模型。
According to the fatigue failure character of riveted members, a simplified fracture mechanics model (SFMM) was developed.
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