| 大尺寸混凝土一维动态拉伸实验及其数值分析 |
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| 引用本文： | 张圆,洪志权,董新龙. 大尺寸混凝土一维动态拉伸实验及其数值分析[J]. 宁波大学学报(理工版), 2009, 22(1): 107-111 |
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| 作者姓名： | 张圆 洪志权 董新龙 |
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| 作者单位： | 宁波大学力学与材料科学研究中心,浙江,宁波,315211;绍兴文理学院,元培学院,浙江,绍兴,312000 |
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| 基金项目： | 国家自然科学基金,宁波市博士科学基金 |
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| 摘 要： | 利用有限元数值分析法对混凝土一维拉伸层裂实验进行了探讨,并采用Holmquist—Johnson—Cook混凝土本构模型进行计算．结果显示试件截面应力分布均匀,满足一维拉伸层裂实验中的截面应力均匀的假设;在对比实验和数值模拟结果的情况下,模拟结果也验证了实验的可行性．
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| 关 键 词： | 混凝土 数值模拟 动态拉伸 |
Experiment and Numerical Analyses on Large Concrete under Uniaxial Tensile Stress |
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| ZHANG Yuan,HONG Zhi-quan,DONG Xin-long. Experiment and Numerical Analyses on Large Concrete under Uniaxial Tensile Stress[J]. Journal of Ningbo University(Natural Science and Engineering Edition), 2009, 22(1): 107-111 |
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| Authors: | ZHANG Yuan HONG Zhi-quan DONG Xin-long |
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| Affiliation: | 1.Mechanics and Materials Science Research Center;Ningbo University;Ningbo 315211;China;2.Yuanpei College;Shaoxing University;Shaoxing 312000;China |
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| Abstract: | In this paper,the numerical analyses on large concrete under dynamic tensile stress are investigated.A computational constitutive model for concrete Holmquist-Johnson-Cook is used in this study;the results provide the stress on the specimen section is uniformity;and compared the results of the experiments and the numerical simulation,demonstrate the feasibility of the experiment. |
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| Keywords: | concrete numerical analyses dynamic tensile |
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