剩余强度

油气井套管CO2点状腐蚀剩余强度分析

Analysis on residual strength of co_2 tubercular corrosion for casings of oil / gas wells

RPC疲劳后剩余强度试验及理论研究

Experimental and Theoretical Research on Residual Strength of RPC under Fatigue Loading

F－12芳纶纤维缠绕壳体水压实验AE检测及剩余强度预报

Acoustic Emission Monitoring and Remainder Strength Prediction of F-12 Aramid Fiber Wound Case in Hydraulic test

基于损伤理论，将用于评价体积型缺陷的APIRP579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 , residual strength assessment formula has been developed by modifying API RP 579 formula for volumetric flaw evaluation .

在役长输管道动态数据源组件（ADO）技术在剩余强度安全评定系统中的实现

ADO Technology in the Safety Assessment System of Remaining Strength of Long-distance Transport Pipeline in Use

基于JC算法的腐蚀管道剩余强度可靠性评价

Residual Strength Reliability Evaluation of Corroded Pipeline Based on JC Method

本文将BP神经网络和遗传算法相结合，得到一种新的神经网络，并将这种神经网络成功用于计算腐蚀管道的剩余强度和最大允许注水压力。

BP neural network are combined with genetic algorithm ( GA ) named by modified BP-GA methods to successfully predict residual strength and critical pressure of injecting corrosion pipelines .

含MSD铝合金平板的剩余强度试验研究

Test Research of Residual Strength on Aluminum Panels with Multiple Site Damage

2.5D机织复合材料冲击后剩余强度研究

Study on the Post-Impact Strength of 2.5D Woven Composites

基于断裂力学理论，计算了含有裂纹损伤的K型管节点结构在实际环境载荷作用下裂纹尖端的应力强度因子，对含疲劳裂纹损伤管节点结构的剩余强度进行了分析。

The stress intensity factors in crack tips have been calculated for fatigue damaged K-tubular joint under practical sea environment , and the residual strength of fatigue damaged tubular joint has also been discussed .

针对飞机结构中日趋显著的多部位损伤（MSD）问题，进行含多部位损伤铝合金平板结构剩余强度的试验研究。

Tests of residual strength on aluminum panels with multiple site damage ( MSD ) were conducted .

为此，文章建立CO2点蚀模型，以点蚀后套管的剩余强度为出发点，应用弹塑性有限元方法分析了点蚀套管的抗挤强度、抗内压强度、抗拉强度的变化。

According to the residual strength of casings after tubercular corrosion , with elastic-plastic finite element method , the changes of collapse resistance , burst strength , and tensile resistance of casings are analyzed .

为保证剩余强度要求，本文通过在裂纹扩展计算中以应力强度因子达到K（1c）／1.2作为终止条件来实现。

To meet the residual strength requirement , it takes the stress intensity factor K1C / 1 . 2 as the termination condition in crack propagation calculation in the article .

为了验证所提方法的合理性，针对对称共线多裂纹的MSD壁板的Dugdale模型进行了剩余强度估算。

Calculation of residual strength is performed for Dugdale model of symmetric collinear MSD panel by proposed approach .

利用透射电镜、SEM形貌观察、剩余强度的测定等试验手段，研究了AlCuMgAg铝合金在欠时效状态下的高温持久对合金的微观组织和力学性能的影响。

By means of TEM and SEM observation , the cold tensile test of the residual strength , the effects of the high temperature lasting on microstructure and mechanical properties of Al-Cu-Mg-Ag aluminum alloy were investigated under underaged condition .

在剩余强度和剩余寿命研究的基础上，用VB6.0编制了腐蚀管道剩余强度评价和剩余寿命预测系统软件。

On the basis of the study on remaining strength and remaining life , it programmed software ' remaining strength assessment and remaining life prediction system ' using VB6.0 .

进行了含多处损伤（MSD）的未加筋LY12CZ铝合金壁板的剩余强度试验。

The residual strength tests of unstiffened aluminum alloy LY12CZ panels with multiple site damages ( MSD ) were carried out .

文中还给出了散货船的计算实例，比较了IACS与规范的确定性剩余强度因子与剩余可靠性指标，得到了基于现行规范的安全要求。

The determined residual strength factors and reliability indexes based on IACS and classification codes were compared and the codes ' safety requirements were obtained .

通过对T300/5405复合材料层压板的冲击后压缩强度试验数据的统计分析，指出冲击后压缩剩余强度符合Weibull分布。

In this paper , the test data of post-impact compression strength are statistically analyzed for T300 / 5405 composite laminate . It is indicated that a two-parameter Weibull distribution can be used to describe the data of the post-impact compression strength .

基于现场采样管段的材料力学性能测试资料和焊缝缺陷检测资料，采用FAD方法对某含360°内表面裂纹管道的剩余强度进行了评价。

Based on material properties of the field sampled section of pipeline and dimensions of inspected weld-ment defects , the auther analyzed the remaining strength of certain pipeline containing 360 ° circumferential internal surface crack with FAD method .

从疲劳过程中材料静载强度不断退化的本质出发，提出一个混凝土剩余强度衰减模型，模型的参数可简单地由试验S-N曲线确定。

A residual strength degradation model of concrete is presented from the point of view that fatigue is the process during which material strength degrades constantly . The parameters of the model can be determined based on S-N curves .

本文主要研究了基于杂交应力有限元的Global-Local方法及其在含损伤复合材料层板的应力分布和剩余强度方面的应用。

In this dissertation , a global-local approach using hybrid stress element and its application in the stress distribution and the residual strength of composite laminate weakened by damage are studied in detail .

然后给出了决定构件剩余强度的断裂韧性CTOD值δ0的不同温度下的概率分布；同时还给出了取决于冰厚及海冰强度的构件上最大应力的概率分布；

Second , it gives probability distribution in different temperature that decides fracture toughness CTOD value δ c for residual strength of component and the probability distribution that depends on maximum stress on constructional element for ice thickness and sea-ice strength ;

运用非线性有限元法分析了含不同尺寸缺陷燃气管道的剩余强度，并与B31及爆破试验结果进行比较。

In this paper , the nonlinear finite element method is established to simulate the burst failure of the gas pipe containing the various kinds of corrosive defect .

MSD使剩余强度明显降低，临界裂纹尺寸大大减小，裂纹扩展寿命显著缩短，从而使损伤容限能力减退，破损安全不复存在。

The tests also showed that in the presence of MSD , the residual strength of the structure , critical crack length and even crack propagation life are greatly reduced in comparison with the isolated cracks considered by the current damage tolerance requirements .

在剩余强度评价中，对用双剪屈服强度理论改进API579的方法进行了研究，给出了各腐蚀缺陷的分级评价流程。

In the study of remaining strength assessment , it made study on the method of improved API 579 by theory of double-shear yield strength , and provided graded assessment procedure of different corrosion defects .

采用含刚度折减椭圆形弹性核的冲击损伤模型，引入基于特征曲线和Yamada-Sun破坏准则的点应力判据，建立了含损伤复合材料层板剩余强度的分析方法；

The state of the damage is modeled by an elliptical soft inclusion , and using the point stress criterion based on characteristic curve and Yamada-Sun etc. criteria , the prediction of the strength of a composite laminate with damage is set up .

腐蚀管道剩余强度评价方法的对比研究

Comparison study on assessment methods for remaining strength of Corroded Pipeline

通过剩余强度比试验，比较了几种填料在沥青混合料中使用的水稳定性能；

Compared water stability of several fillers with residual strength experiments .

利用改进的神经网络预测腐蚀管道的剩余强度

Combining Modified Neural Network to Predict Residual Strength of Corrosion Pipelines