Based on damage theory, residual strength assessment formula has been developed by modifying API RP 579 formula for volumetric flaw evaluation.
基于损伤理论,将用于评价体积型缺陷的APIRP 579公式进行了改进,建立了点腐蚀损伤管道的剩余强度评价公式。
Based on damage theory, the stress-strain curve got from experiment is analyzed in order to study the effect of material strength and mechanical properties by fiber content.
基于混凝土损伤理论,在试验得到的应力—应变曲线的基础上,分析了纤维含量和应变率对材料强度及材料力学行为的影响。
Dangerous theory based on negligence, criminal negligence is not the only cause actual results to be punished damage, causing a hazardous condition at the time should also be punished.
依据过失危险犯理论,过失犯罪并不是只有在造成实际损害结果时才能给予处罚,在造成某种危险状态时也应当给予处罚。
Then the statistical damage constitutive model is developed for saturated and unsaturated rock based on the mixture theory.
在混合物理论基础上,建立了饱和、非饱和岩石损伤软化统计本构模型。
Finally, the methods for calculating fatigue life based on fracture mechanics for welded node and cumulative damage theory for bolted sphere node respectively have been presented.
本文在大量实验的基础上提出了对焊接节点采用断裂力学的方法和对螺栓球节点应用累积损伤理论估算它们疲劳寿命的计算方法。
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。
Based on the theory of modal strain energy, a damage index is deduced to identify the plate-like structure damage.
应用模态应变能理论得到了能用于板类结构损伤的识别指标。
The theory of isotropy damage is based on the hypothesis that the material and damage are symmetrical and isotropic.
各向同性损伤理论是建立在材料是均匀的、各向同性的以及损伤也是各向同性的假设基础之上。
Failure process for the reinforced concrete free beam under static loading is formulated based on the elastic damage theory with the finite element method.
将损伤力学理论与有限元法相结合,研究钢筋混凝土简支梁静载作用下的损伤破坏过程。
Based on the adoption of elastoplastic damage theory and effective strain assumption, weld metal coupons were tested under repeated pull and their damage evolution law was determined.
基于各向同性弹塑性损伤假定和应变等效假设,采用重复拉伸的试验方法,得到了焊缝金属的损伤演化规律。
A new model_based method for structural damage detection, which is based on the theory of dissipation ratio of modal strain energy, is put forward.
本文提出了基于模态应变能耗散率理论的一种新的结构损伤识别方法。
Based on systematic theory, we analyze the effect factors of flood damage, and build rapid damage evaluation model.
从系统论出发,分析洪灾损失的影响因素,建立快速损失评估模型。
The signal singularity detection theory based on wavelets analysis is given. Through the study of those singularity, the damage situation of the structure may be discovered.
文章给出了基于小波分析的信号奇异性检测理论,通过对突变信号进行小波分析可以发现结构的损伤情况。
Firstly, the damage identification method based on vibration modal analysis theory is discussed and analyzed.
首先,本文对基于振动模态分析理论的损伤识别方法进行了探讨。
Based on the theory of modal strain energy, a damage index is deduced to identify the concrete bridge structure damage.
基于模态应变能理论,得到能用于混凝土桥梁结构损伤的识别指标。
Based on random distribution of interior defect in rock, a statistical damage constitutive model for rock is developed by using the continuous strength theory and statistical theory.
结合连续强度理论和统计理论,从岩石内部缺陷分布的随机性出发,建立了岩石统计损伤本构模型。
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。
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。
From the beginning of the definition of the damage variable, the definition methods of damage variable and their according damage models based on micro - and macro-theory.
文章从损伤变量定义的方法入手,讨论了基于宏微观理论的损伤变量定义方法及其相应的损伤模型。
Based on the theory of damage mechanics, fracture mechanics and elastic mechanics, the formation and expanding of control fissure were researched under the condition of cycle of freezing and thawing.
基于损伤力学、断裂力学、弹性力学等理论,对冻融循环条件下主控结构面的产生和扩展进行了研究。
The conservative integral of damage mechanics for the reflective cracking in asphalt pavements is established based on the elastic damage theory developed by the authors.
基于损伤力学理论,建立了沥青路面反射裂缝问题的损伤力学守恒积分,证明了在反射裂缝形成过程中应变能密度的守恒性。
The strain gradient enhanced damage model based on strain gradient theory and continuum damage mechanics is established and applied to forecasting the localized damage in rock material.
本文提出基于应变梯度的损伤模型,并用于材料局部化损伤模拟预测中。
A method for bridge damage identification based on the sensitivity matrix theory was mainly studied.
重点研究了一种基于灵敏度矩阵对桥梁进行损伤识别的方法。
Based on the stress analysis for cutter damage with elastomechanics theory, measures for improving cutter life are proposed.
在应用弹性理论对刀具破损进行应力分析的基础上,指出提高刀具寿命的措施。
Based on the theory of protective engineering and blasting, the damage effects of primary fragments, shock wave and vibration in destruction of bygone aero-bomb and shell are discussed.
分别根据工程防护和工程爆破理论,对航、炮弹销毁时的弹片、冲击波和振动等安全距离计算进行了对比研究,有关研究结论可供销毁废旧航、炮弹的环境安全评估参考。
Abstract: Based on agency theory, the agency problem between the construction project's owner and contractor will damage the project management performance.
[摘要]委托代理理论认为,建设项目业主与承包商之间的代理问题会损害项目管理绩效。
Based on simulation theory, a geologic mechanics model is established and used for research on deformation and damage mechanism of anti-dip layered rock slop.
根据相似理论建立地质力学模型,研究反倾层状边坡岩体的变形破坏机制。
On the basis of these analysis, theory and method of direct damage performance-based capacity design is presented in this paper.
在此基础上,本文采用直接基于损伤性能的能力设计方法来实现基于性能的设计。
Tests was carried out on cookies both in single and package unit to measure its velocity change and acceleration in different orientation in different damage rate based on damage boundary theory.
以苏打饼干单片和单包为研究对象,应用破损边界理论,设计相关实验,测试饼干在不同破损率条件下各个方位的速度变化及加速度,构造出饼干的破损边界曲线。
The damage degree of minefield for an artillery battalion is studied based on the firing theory. The calculation model of destruction effectiveness of minefield in air blast firing is set up.
应用射击理论,研究炮兵营对雷场的破坏程度,建立弹丸空炸时雷场毁伤效能计算模型。
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