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StatisticalanalysisofconfinedhighstrengthconcreteModeluncertaintyassociatedwiththemax...
Statistical analysis of confined high strength concrete
Model uncertainty associated with the maximum
strength, ductility and toughness of high strength
concrete confined by rectilinear ties is statistically quantif
ied for ten analytical models. These models are
applied to predict the results of 108 large-scale specimens
tested under uniaxial compression. An empirical model
is proposed for the complete description of the stressstrain
curve of tie-confined high strength concrete and
proves to be in good agreement with the aforementioned
data.
L’incertitude du modèle vis-à-vis de la résistance, de la ductilité
et de la dureté du béton à haute résistance confiné par armature
transversale rectangulaire est évaluée pour dix modèles de calcul.
Ces modèles sont utilisés pour évaluer les résultats de 108
spécimens à grande échelle soumis aux sollicitations de compression
uniaxiale. Un modèle empirique est ensuite proposé pour la
description complète de la courbe contrainte - déformation du
béton à haute résistance confiné par armature transversale, et elle
se trouve en bon accord avec les résultats expérimentaux cités cidessus.
1. INTRODUCTION
In reviewing the research on high strength concrete
(HSC) and the applications of the material in the construction
industry it is noticeable that there is a systematic
experimental investigation, as well as an increasing adoption
of this new material. Over the last years a considerable
amount of research work has been carried out on the
mechanical properties of HSC. This effort was a result of
the forecasts that HSC is the material to be used widely in
the near future, in structures such as high-rise buildings,
long-span bridges, tunnels, tanks, and offshore platforms.
Despite the growing interest in utilising HSC in civil
engineering works, additional information is needed in
order to exploit in full its well-documented technical and
economical benefits in earthquake threatened areas, where
strength as well as ductility are of primary importance. It
has long been recognised that the latter two parameters
increase substantially whenever the state of stress is triaxial
compression (confined concrete). Hence, due to the brittle
nature of HSC under axial compression, the presence of
lateral reinforcement becomes more significant than in
normal strength concrete counterparts.
Problems of confined concrete have long been recognised
and investigated both experimentally and analytically in the past. Several confinement models have been
developed to predict the stress-strain behaviour of normal,
as well as high strength concrete. All the proposed
models are based on previous experimental work where
several parameters have been derived from the statistical
processing of the results.
不要用翻译器直接翻译出来的结果! 展开
Model uncertainty associated with the maximum
strength, ductility and toughness of high strength
concrete confined by rectilinear ties is statistically quantif
ied for ten analytical models. These models are
applied to predict the results of 108 large-scale specimens
tested under uniaxial compression. An empirical model
is proposed for the complete description of the stressstrain
curve of tie-confined high strength concrete and
proves to be in good agreement with the aforementioned
data.
L’incertitude du modèle vis-à-vis de la résistance, de la ductilité
et de la dureté du béton à haute résistance confiné par armature
transversale rectangulaire est évaluée pour dix modèles de calcul.
Ces modèles sont utilisés pour évaluer les résultats de 108
spécimens à grande échelle soumis aux sollicitations de compression
uniaxiale. Un modèle empirique est ensuite proposé pour la
description complète de la courbe contrainte - déformation du
béton à haute résistance confiné par armature transversale, et elle
se trouve en bon accord avec les résultats expérimentaux cités cidessus.
1. INTRODUCTION
In reviewing the research on high strength concrete
(HSC) and the applications of the material in the construction
industry it is noticeable that there is a systematic
experimental investigation, as well as an increasing adoption
of this new material. Over the last years a considerable
amount of research work has been carried out on the
mechanical properties of HSC. This effort was a result of
the forecasts that HSC is the material to be used widely in
the near future, in structures such as high-rise buildings,
long-span bridges, tunnels, tanks, and offshore platforms.
Despite the growing interest in utilising HSC in civil
engineering works, additional information is needed in
order to exploit in full its well-documented technical and
economical benefits in earthquake threatened areas, where
strength as well as ductility are of primary importance. It
has long been recognised that the latter two parameters
increase substantially whenever the state of stress is triaxial
compression (confined concrete). Hence, due to the brittle
nature of HSC under axial compression, the presence of
lateral reinforcement becomes more significant than in
normal strength concrete counterparts.
Problems of confined concrete have long been recognised
and investigated both experimentally and analytically in the past. Several confinement models have been
developed to predict the stress-strain behaviour of normal,
as well as high strength concrete. All the proposed
models are based on previous experimental work where
several parameters have been derived from the statistical
processing of the results.
不要用翻译器直接翻译出来的结果! 展开
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统计分析的局限与最大的强度相关联的高强度混凝土模型不确定性、 延展性和韧性高强度混凝土受制于直线关系统计是 quantif ied 十分析模型。这些模型应用于预测 108 大型标本单轴压缩测试的结果。实证模型提议 stressstrain 曲线的领带约束高强混凝土的完整说明,并证明是很好的协议,与上述数据中。L'incertitude 杜 modèle 相对于德拉爱国抵抗、 de la ductilité et de la dureté 杜 béton à 上爱国抵抗 confiné par 电枢 transversale rectangulaire est évaluée 倒迪克斯展现 de calcul。Ces 展现 sont utilisés 倒 évaluer 莱 résultats de 108 spécimens à 格兰德 échelle 先生根据小组 aux sollicitations de 压缩 uniaxiale。联合国 modèle empirique est 卫浴 proposé 倒拉说明 complète 德拉库尔布第三者-déformation 杜 béton à 上爱国抵抗 confiné par 电枢 transversale、 et elle se 特鲁韦 en 邦给予 avec 莱 résultats expérimentaux cités cidessus。1.在审查的材料建造业中的应用与研究高强度混凝土 (HSC) 的介绍很明显有系统的试验研究,以及越来越多的采用的这种新材料。过去多年来了大量的研究工作进行对高强混凝土力学性能。这项工作是 HSC 是用于广泛在不久的将来,如高层建筑、 大跨度桥梁、 隧道、 罐体、 结构和海上平台的材料的预测结果。尽管在土建工程中的利用 HSC 的兴趣不断增加,为了利用全面及详细记录需要额外信息技术经济效益在地震中的受到威胁的地区,力量以及延性是最重要。它一直被公认后者的两个参数大幅增加的应激状态时三轴压缩 (约束混凝土)。因此,由于高强混凝土的轴压下的脆性性质,横向加固的存在成为比正常强度混凝土同行更重要。约束混凝土的问题长时间被认可和调查过去的实验和分析。几种隔离模式已正常,以及高强度混凝土的应力-应变行为的预测。所有建议的模式基于以前的实验工作几个参数,来自于统计处理的结果。
Statistical analysis of confined high strength concrete Model uncertainty associated with the maximum strength, ductility and toughness of high strength concrete confined by rectilinear ties is statistically quantif ied for ten analytical models . These models are applied to predict the results of 108 large-scale specimens tested under uniaxial compression . An empirical model is proposed for the complete description of the stressstrain curve of tie-confined high strength concrete and proves to be in good agreement with the aforementioned data . L’incertitude du modèle vis-à-vis de la résistance, de la ductilité et de la dureté du béton à haute résistance confiné par armature transversale rectangulaire est évaluée pour dix modèles de calcul . Ces modèles sont utilisés pour évaluer les résultats de 108 spécimens à grande échelle soumis aux sollicitations de compression uniaxiale . Un modèle empirique est ensuite proposé pour la description complète de la courbe contrainte - déformation du béton à haute résistance confiné par armature transversale, et elle se trouve en bon accord avec les résultats expérimentaux cités cidessus . 1 . INTRODUCTION In reviewing the research on high strength concrete (HSC) and the applications of the material in the construction industry it is noticeable that there is a systematic experimental investigation, as well as an increasing adoption of this new material . Over the last years a considerable amount of research work has been carried out on the mechanical properties of HSC . This effort was a result of the forecasts that HSC is the material to be used widely in the near future, in structures such as high-rise buildings, long-span bridges, tunnels, tanks, and offshore platforms . Despite the growing interest in utilising HSC in civil engineering works, additional information is needed in order to exploit in full its well-documented technical and economical benefits in earthquake threatened areas, where strength as well as ductility are of primary importance . It has long been recognised that the latter two parameters increase substantially whenever the state of stress is triaxial compression (confined concrete) . Hence, due to the brittle nature of HSC under axial compression, the presence of lateral reinforcement becomes more significant than in normal strength concrete counterparts . Problems of confined concrete have long been recognised and investigated both experimentally and analytically in the past . Several confinement models have been developed to predict the stress-strain behaviour of normal, as well as high strength concrete . All the proposed models are based on previous experimental work where several parameters have been derived from the statistical processing of the results ..!
Statistical analysis of confined high strength concrete Model uncertainty associated with the maximum strength, ductility and toughness of high strength concrete confined by rectilinear ties is statistically quantif ied for ten analytical models . These models are applied to predict the results of 108 large-scale specimens tested under uniaxial compression . An empirical model is proposed for the complete description of the stressstrain curve of tie-confined high strength concrete and proves to be in good agreement with the aforementioned data . L’incertitude du modèle vis-à-vis de la résistance, de la ductilité et de la dureté du béton à haute résistance confiné par armature transversale rectangulaire est évaluée pour dix modèles de calcul . Ces modèles sont utilisés pour évaluer les résultats de 108 spécimens à grande échelle soumis aux sollicitations de compression uniaxiale . Un modèle empirique est ensuite proposé pour la description complète de la courbe contrainte - déformation du béton à haute résistance confiné par armature transversale, et elle se trouve en bon accord avec les résultats expérimentaux cités cidessus . 1 . INTRODUCTION In reviewing the research on high strength concrete (HSC) and the applications of the material in the construction industry it is noticeable that there is a systematic experimental investigation, as well as an increasing adoption of this new material . Over the last years a considerable amount of research work has been carried out on the mechanical properties of HSC . This effort was a result of the forecasts that HSC is the material to be used widely in the near future, in structures such as high-rise buildings, long-span bridges, tunnels, tanks, and offshore platforms . Despite the growing interest in utilising HSC in civil engineering works, additional information is needed in order to exploit in full its well-documented technical and economical benefits in earthquake threatened areas, where strength as well as ductility are of primary importance . It has long been recognised that the latter two parameters increase substantially whenever the state of stress is triaxial compression (confined concrete) . Hence, due to the brittle nature of HSC under axial compression, the presence of lateral reinforcement becomes more significant than in normal strength concrete counterparts . Problems of confined concrete have long been recognised and investigated both experimentally and analytically in the past . Several confinement models have been developed to predict the stress-strain behaviour of normal, as well as high strength concrete . All the proposed models are based on previous experimental work where several parameters have been derived from the statistical processing of the results ..!
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统计分析约束高强混凝土
模型不确定性的最大关联
强度,韧性和强度高韧性
由直线关系约束混凝土在统计quantif
IED的十分析模型。这些模型
适用于预测的108大型标本结果
单轴压缩下进行测试。实证模型
是提出了完整的描述stressstrain
领带的封闭式高强度混凝土曲线
被证明是良好的协议,上述
数据。
欧莱雅不确定性杜modèle面对面德拉阻力,德拉ductilité
等德拉dureté杜贝特à高级电枢电阻限制看齐
美国东部时间évaluée transversale rectangulaire倒迪克斯modèles德演算。
国际消费电子展modèles sont utilisés倒évaluer莱斯résultats德108
标本à Grande的阶梯soumis德压缩辅助sollicitations
uniaxiale。美国东部时间套间元modèle empirique提出倒拉
完整的描述德拉courbe contrainte - 变形杜
贝特à高级阻力限制电枢transversale杆,等艾莉
本身trouve恩邦阿科德avec莱斯résultats expérimentaux引用cidessus。
1。简介
在审查了高强度混凝土的试验研究
(高速船)和在施工材料的应用
值得注意的是,行业有一个系统
实验研究,以及一个越来越多地采用
这种新材料。在过去的几年相当
量的研究工作已经开展了对
高强混凝土的力学性能。这一努力是一个结果
造血干细胞的预测,是用料广泛
不久的将来,如高层建筑结构,
大跨度桥梁,隧道,坦克和海上平台。
尽管在利用造血干细胞生长的民事权益
工程,需要更多的信息
为了充分利用其良好的技术和记载
在地震威胁的地区的经济利益,其中
强度以及韧性是最重要的。这
早已认识到,后两个参数
每当大幅增加是三轴应力状态
压缩(约束混凝土)。因此,由于脆性
造血干细胞性质的轴向压力下,在场的
横向钢筋变得比重大
普通强度混凝土的同行。
封闭的具体问题早已得到承认
并研究和实验和分析了过去。几种模式被禁闭
发展到预测的正常应力应变行为,
以及高强度混凝土。所有建议
模型是基于以前的实验工作,其中
几个参数已被来自统计
处理结果。
模型不确定性的最大关联
强度,韧性和强度高韧性
由直线关系约束混凝土在统计quantif
IED的十分析模型。这些模型
适用于预测的108大型标本结果
单轴压缩下进行测试。实证模型
是提出了完整的描述stressstrain
领带的封闭式高强度混凝土曲线
被证明是良好的协议,上述
数据。
欧莱雅不确定性杜modèle面对面德拉阻力,德拉ductilité
等德拉dureté杜贝特à高级电枢电阻限制看齐
美国东部时间évaluée transversale rectangulaire倒迪克斯modèles德演算。
国际消费电子展modèles sont utilisés倒évaluer莱斯résultats德108
标本à Grande的阶梯soumis德压缩辅助sollicitations
uniaxiale。美国东部时间套间元modèle empirique提出倒拉
完整的描述德拉courbe contrainte - 变形杜
贝特à高级阻力限制电枢transversale杆,等艾莉
本身trouve恩邦阿科德avec莱斯résultats expérimentaux引用cidessus。
1。简介
在审查了高强度混凝土的试验研究
(高速船)和在施工材料的应用
值得注意的是,行业有一个系统
实验研究,以及一个越来越多地采用
这种新材料。在过去的几年相当
量的研究工作已经开展了对
高强混凝土的力学性能。这一努力是一个结果
造血干细胞的预测,是用料广泛
不久的将来,如高层建筑结构,
大跨度桥梁,隧道,坦克和海上平台。
尽管在利用造血干细胞生长的民事权益
工程,需要更多的信息
为了充分利用其良好的技术和记载
在地震威胁的地区的经济利益,其中
强度以及韧性是最重要的。这
早已认识到,后两个参数
每当大幅增加是三轴应力状态
压缩(约束混凝土)。因此,由于脆性
造血干细胞性质的轴向压力下,在场的
横向钢筋变得比重大
普通强度混凝土的同行。
封闭的具体问题早已得到承认
并研究和实验和分析了过去。几种模式被禁闭
发展到预测的正常应力应变行为,
以及高强度混凝土。所有建议
模型是基于以前的实验工作,其中
几个参数已被来自统计
处理结果。
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你中间夹的是段法语吧??
英语还OK 法语就够呛了~~~
只翻英语好吗??
英语还OK 法语就够呛了~~~
只翻英语好吗??
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