混凝土HJC、RHT本构模型的失效强度参数

张若棋 丁育青 汤文辉 冉宪文

张若棋, 丁育青, 汤文辉, 冉宪文. 混凝土HJC、RHT本构模型的失效强度参数[J]. 高压物理学报, 2011, 25(1): 15-22 . doi: 10.11858/gywlxb.2011.01.003
引用本文: 张若棋, 丁育青, 汤文辉, 冉宪文. 混凝土HJC、RHT本构模型的失效强度参数[J]. 高压物理学报, 2011, 25(1): 15-22 . doi: 10.11858/gywlxb.2011.01.003
ZHANG Ruo-Qi, DING Yu-Qing, TANG Wen-Hui, RAN Xian-Wen. The Failure Strength Parameters of HJC and RHT Concrete Constitutive Models[J]. Chinese Journal of High Pressure Physics, 2011, 25(1): 15-22 . doi: 10.11858/gywlxb.2011.01.003
Citation: ZHANG Ruo-Qi, DING Yu-Qing, TANG Wen-Hui, RAN Xian-Wen. The Failure Strength Parameters of HJC and RHT Concrete Constitutive Models[J]. Chinese Journal of High Pressure Physics, 2011, 25(1): 15-22 . doi: 10.11858/gywlxb.2011.01.003

混凝土HJC、RHT本构模型的失效强度参数

doi: 10.11858/gywlxb.2011.01.003
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    通讯作者:

    张若棋

The Failure Strength Parameters of HJC and RHT Concrete Constitutive Models

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    Corresponding author: ZHANG Ruo-Qi
  • 摘要: 通过对LS-DYNA、AUTODYN数值软件中混凝土HJC、RHT本构模型失效强度参数的分析计算,发现原始失效强度参数在较高静水压下将导致混凝土失效强度降低。提出了利用混凝土的特征强度确定HJC、RHT失效强度参数的方法,并通过计算得出了校验后的失效强度参数值。最后,使用校验前后的失效强度参数进行了混凝土侵彻实验的数值模拟。计算结果表明:使用校验后参数的数值模拟结果与实验结果更为吻合。由于HJC本构模型中没有引入偏应力张量第三不变量,所以结果不够满意。

     

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出版历程
  • 收稿日期:  2010-01-06
  • 修回日期:  2010-07-29
  • 发布日期:  2011-02-15

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