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| 1 | Unified calculation method and its application in determining the uniaxial mechanical properties of concrete显示文摘This paper presents a unified calculation method and its application in determining the uniaxial mechanical properties of concrete with concrete strengths ranging from 10 to 140MPa.By analyzing a large collection of test results of the uniaxial mechanicalproperties of normal-strength,high-strength and super high-strength concrete in China and performing a regression analysis,unified calculation formulas for the mechanical indexes of concrete are proposed that can be applied to various grades of concrete for determining the size coefficient,uniaxial compressive strength,uniaxial tensile strength,elastic modulus,and strain at peak uniaxial compression and tension.Optimized mathematical equations for the nonlinear stress-strain relationship of concrete,including the ascending and descending branches.under uniaxial stress,are also established.The elastic modulus is almost constant throughout the elastic stage for the ascending branches of the stress-strain relationship for concrete.The proposed stress-strain relationship of concrete was applied to the nonlinear finite element analysis of both a steel-concrete composite beam and a concrete-filled steel tubular stub column.The analytical results are in good agreement with the experiment results,indicating that the proposed stress-strain relationship of concrete is applicable.The achievements presented in this paper can be used as references for the design and nonlinear finite element analysis of concrete structures. | Faxing DING Xiaoyong YING Linchao ZHOU Zhiwu YU | 2011 | Frontiers of Structural and Civil Engineering2011，5，3： | 38 |
| 2 | STRENGTH CRITERION FOR PLAIN CONCRETE UNDER MULTIAXIAL STRESS BASED ON DAMAGE POISSON’S RATIO显示文摘在主要应力空间的一个新统一强度标准在应力说的 compression-compression-tension, compression-tension-tension, triaxial 紧张,和 biaxial 与正常强度水泥(NC ) 和高强度水泥(HSC ) 为使用被建议了。学习用力量从 20 ~ 130 MPa 盖住水泥。损坏泊松的比率的概念被定义,为损坏泊松的比率的表示基本上是坚定的。水泥的失败机制被说明,它指出损坏泊松的比率是决定水泥的失败的关键。为在 biaxial 压力条件下面的水泥,而且,统一力量标准被简化,在曲线形式的一个简化力量标准也被建议。力量标准身体上有意义、容易计算,它能被用于分析答案和具体结构的数字答案。 | Ding Faxing Yu Zhiwu | 2006 | Acta Mechanica Solida Sinica2006，19，4： | 6 |
| 3 | Experimental behavior of circular concrete-filled steel tube stub columns 显示文摘 | Yu Zhiwu Ding Faxing Cai C S | 2007 | Journal of Constructional Steel Research2007，63，2： | 1 |
| 4 | The behavior of concrete and circular concrete -filled steel tube stub columns at high temperatures显示文摘 | DING Faxing YU Zhiwu | 2006 | Journal of Central South University of Technology2006，13，6： | 1 |
| 5 | Mechanical Perform- ance of Stirrup-Confined Concrete-Filled Steel Tubular Stub Col- umns Under Axial Loading显示文摘 | Ding Faxing Fang Changjing Bai Yu | 2014 | Journal of Constructional Steel Re- search2014，98，： | 1 |
| 6 | Experimental behavior of circular concrete-filled steel tube stub columns 显示文摘 | YU Zhiwu DING Faxing Cai C S | 2007 | Journal of Constructional Steel Research2007，63，12： | 1 |
| 7 | Experimental behavior of circular concrete-filled steel tube stub columns 显示文摘 | Yu Zhiwu Ding Faxing Cai C S | 2007 | Journal of Constructional Steel Research2007，63，2： | 1 |
| 8 | Unified calculation method and its application in determining the uniaxial mechanical properties of concrete显示文摘 | Ding Faxing Ying Xiaoyong Zhou Linchao | 2011 | Frontiers of Architecture and Civil Engineering in China2011，5，3： | 1 |
| 9 | Elasto-plastic analysis of circular concrete-filled steel tube stub columns显示文摘 | Ding Faxing Yu Zhiwu Bai Yu | 2011 | Journal of Constructional Steel Research2011，67，10： | 1 |
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