[1]万文乾,龙 源,纪 冲,等.钢纤维混凝土抗冲击性能的数值模拟研究[J].南京理工大学学报(自然科学版),2007,(01):46-50.
 WAN Wen-qian,LONG Yuan,JI Chong,et al.Numerical Simulation on Impact Resistance of Steel-fiber Reinforced Concrete[J].Journal of Nanjing University of Science and Technology,2007,(01):46-50.
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钢纤维混凝土抗冲击性能的数值模拟研究
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2007年01期
页码:
46-50
栏目:
出版日期:
2007-02-28

文章信息/Info

Title:
Numerical Simulation on Impact Resistance of Steel-fiber Reinforced Concrete
作者:
万文乾1 龙 源 1 纪 冲 1 朱燕燕2
1. 解放军理工大学 工程兵工程学院, 江苏 南京 210007; 2. 中国人民解放军镇江船艇学院, 江苏 镇江 212003
Author(s):
WAN Wen-qian 1LONG Yuan 1JI Chong 1ZHU Yan-yan 2
1.Engineering Institute of Engineer Corps,PLA University of Science and Technology,Nanjing 210007,China;2.Zhenjiang Watercraft College,Zhenjiang 212003,China
关键词:
钢纤维体积分数 钢纤维长径比 数值模拟 抗冲击性能
Keywords:
steel fiber content steel fiber ratio of length to diam eter numerical simulation impact resistance
分类号:
TU528
摘要:
为研究不同钢纤维体积分数与不同钢纤维长径比对混凝土基体抗冲击性能增强作用的影响,利用ANSYS/LSDYNA3D有限元计算软件,采用损伤材料模型,数值模拟了钢纤维混凝土圆柱体撞击素混凝土靶板的过程。分析了不同初速条件下靶板破坏体积与冲击动能的关系,并将数值模拟结果与试验结果比较。结果表明:钢纤维体积分数越大,钢纤维长径比越大,钢纤维混凝土基体的抗冲击性能越好;同时也说明,损伤材料模型能够很好地模拟混凝土类材料在冲击作用下的破坏情况。
Abstract:
In order to investigate the influence on impact resistance of stee-l fiber reinforced con- crete, numerical simulations are performed for cylinders against concrete slabs by using ANSYS/ LDYNA3D code. These cylinders are m ade of fiber reinforced concrete w ith different fiber content and different fiber L /D. A dam agematerialmodel is used in the simulations. Relationship between fragm ent volume of concrete slab and impact energy of cylinders is analyzed under different initial velocities. The simulation results are compared w ith those from experiments. It shows that the fiber reinforced concrete w ith higher fiber content and bigger fiber L /D behaves better against impac.t It is proved that the damage materialmodel is suitable for such kind of simulations.

参考文献/References:

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备注/Memo

备注/Memo:
基金项目: 国家重点实验室开放基金 (KFJJ03-5)
作者简介: 万文乾 (1980- ), 男, 河北保定人,博士, 主要研究方向: 混凝土抗侵彻性能, E-mail:ghost_wanz@ 126. com。
更新日期/Last Update: 2007-02-28