The blasting damage and fracture process of rock is complicated dynamic evolvement process.
岩石爆破损伤断裂过程是一个复杂的动态演化过程。
The elastic damage theory is valid to describe the damage and fracture behavior of concrete.
研究表明，本文损伤模型可以较好地描述混凝土材料的损伤与破坏行为。
The sliding crack model has been widely applied in the damage and fracture analysis of the rock-like materials.
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 cement samples damage and fracture by exploding load was studied by experiment and numerical simulation method.
从实验和数值模拟两方面对爆炸载荷对水泥试样的损伤破坏进行了研究。
The mechanism of damage and fracture of rock blasting is composed of blasting mechanism and rock meso-damage theory.
岩石爆破损伤断裂机理是由岩石爆破机理和岩石细观损伤力学理论组成的。
The results showed that physical damage and fracture was caused during the process of sheeting, wet mixing and pressing;
研究结果表明，在剪短、湿混以及加压过程中会造成纤维的物理损伤和断裂；
The analysis and explanation of the transition of the damage and fracture behavior are made by the results of FEM calculations.
通过上述有限元计算结果，对这一损伤开裂行为的转变进行了分析解释。
Based on the existing damage model of rock blasting and the theory of rock damage and fracture, a new damage model for rock blasting has been founded.
在分析现有岩石爆破损伤模型和岩石爆破损伤断裂理论的基础上，建立了新的岩石爆破损伤模型。
The paper introduced the influence of self-anchored suspension bridge on structural safety performance after the damage and fracture of boom for reference.
介绍了自锚式悬索桥在吊杆损伤断裂后对结构安全性能的影响，为以后自锚式悬索桥的结构设计提供参考。
The damage and fracture process of the composite are detected by acoustic emission. The experiment proves the simulating structure to be rational and feasible.
用声发射方法检测了复合材料损伤与断裂的全过程，证明了该结构的合理性与可行性。
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。
Based on damage and destroy theory of bedded composite rock, damage principal equation and damage and fracture rules of bedded composite rock have been founded.
以层状复合岩体损伤破坏理论为基础，建立了层状复合岩体损伤本构方程及其破坏断裂准则。
The damage and fracture criterions and the damage localization models at the crack tip are individually established, which can better realize the true process...
建立了这两个区域的损伤断裂准则和裂纹尖端的损伤局部化模型，可以更好地反映爆生气体作用下裂纹扩展的实际过程。
Based on the experiments of exploding on the surface of the cement sample, the phenomenon of the rock damage and fracture by shock waves in exploding was simulated.
通过水中爆炸波对水泥试样的损伤破坏实验来模拟水力裂缝层内爆炸采油中激波使岩石损伤开裂的现象。
By use of dynamic strain testing, the ultrasonic wave, bedded composite rock damage and fracture mechanisms and the fragmentation process during blasting have been experimentally studied.
运用超动态应变测试技术、超声波检测仪对层状复合岩体的爆破损伤破坏机理和破坏过程进行了实验研究。
The contact damage and fracture property of silicon single crystal are investigated at room temperature by indentation, as well as the influence of the intended and unintended impurities.
室温下使用维氏硬度计研究了硅单晶表面的接触损伤及硅单晶中杂质对表面损伤的影响。
The damage and fracture of stainless steel serviced in hydrogen environment with high temperature and pressure are very important for the safety production of petroleum and chemical industries.
不锈钢长期在高温高压临氢环境下服役，其损伤与断裂对于石化企业的安全生产是至关重要的。
But the damage and fracture of rock is closely related to each other. And the relationship between strength criterion parameters of rock and fracture toughness of fracture theory is particular.
然而，岩石的破坏和断裂是紧密相联的，岩石强度准则的材料参数和断裂理论的断裂韧度存在特定的方程关系。
Based on the existing research results and up to the minute theory of rock damage and fracture mechanics, the blasting damage and fracture mechanism of rock and bedded composite rock is studied.
本文基于前人的研究成果，采用岩体损伤、断裂理论的最新研究成果，研究了岩石和层状复合岩体在爆炸应力波和爆生气体作用下的损伤断裂机理。
It is conducted an experimental study on the damage and fracture characteristics of notched concrete beams with two groups of different depths by ultrasonic technology with strain gauge technique.
利用超声波技术并辅以电测法，对两组不同开口深度混凝土缺口梁的损伤断裂特性进行了试验研究。
So it 's necessary to study the damage in the fracture during hydraulic fracturing and find out corresponding method.
因此有必要对压裂过程中的裂缝损害进行研究并找出相应的解决措施。
In mining engineering, strata models are often simulated by similar material simulation model, rock bending deformation and fracture damage is the serious problem.
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。
When the component is installed on an airplane, this internal damage can lead to crack initiation and propagation, resulting in component fracture.
如果把这样的部件安装在飞机上，其内部损伤会导致裂纹并扩展，最终造成部件断裂。
The physical meanings of the formula presented are explained from the standpoint of submacroscopic fracture mechanics and damage mechanics.
从细观断裂力学和损伤力学的观点出发，解释了该规律的物理意义。
Breakage mechanics is a new theory different from fracture mechanics and damage mechanics.
岩土破损力学是不同于岩土断裂力学和岩土损伤力学的新理论。
You could have broken your fall with your hand but might have done what I recently did in a fall and fracture your wrist and damage tendons in your hand.
你是可以用手撑住自己不摔跤，但是也许就会落得跟我一样的下场：腕关节折断，手部肌腱受损。
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.
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.
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。
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