Ductility of High Strength Concrete: A Theoretical and Experimental Investigation

高强度混凝土的延性：理论和实验研究

• 批准号: 9504186
• 负责人: Panos Kiousis
• 金额: $ 25万
• 依托单位: University of Arizona
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1996
• 资助国家: 美国
• 起止时间: 1996-06-15 至 2000-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9504186&HistoricalAwards=false
• 关键词: Ductility; Strength; Concrete; Theoretical; Experimental

9504186 Kiousis A fundamental experimental and theoretical study on high- strength (HS) concrete structures is conducted in this project. In the first part of this research, basic triaxial testing will be performed on HS concrete to evaluate its lateral expansion tendencies and ability to gain ductility with increased confinement. A theoretical analysis based on a simple plasticity model and the compatibility of deformations of the concrete core and the transverse reinforcement will compliment the experimental work. The second part of the research will concentrate on the testing of HS concrete structural elements that are subjected to combined axial compression and shear loading. A theoretical analysis, based on the concepts developed will be performed to predict the response of HS concrete structural elements. The research is expected to contribute to the development of reliable code provisions for the design of HS concrete structural elements. ***

9504186 Kiousis本项目对高强混凝土结构进行了基础性的试验和理论研究。 在本研究的第一部分中，将对HS混凝土进行基本的三轴试验，以评估其侧向膨胀趋势和增加约束获得延性的能力。 理论分析的基础上，一个简单的塑性模型和协调变形的混凝土核心和横向钢筋将补充实验工作。 第二部分的研究将集中在HS混凝土结构元件的测试，受到组合轴向压缩和剪切载荷。 理论分析，开发的概念的基础上，将进行预测HS混凝土结构元件的响应。 预计这项研究将有助于发展可靠的规范规定的HS混凝土结构元件的设计。 ***