| 弹性波CT在混凝土靶体冲击损伤实验中的应用 |
| |
| 引用本文： | 吝曼卿,郭学彬,肖正学,陈星明,张继春,高航.弹性波CT在混凝土靶体冲击损伤实验中的应用[J].实验力学,2010,25(2):136-142. |
| |
| 作者姓名： | 吝曼卿 郭学彬 肖正学 陈星明 张继春 高航 |
| |
| 作者单位： | 1. 西南科技大学,环境与资源学院,四川绵阳,621010
2. 西南交通大学,土木工程学院,四川成都,610031 |
| |
| 基金项目： | 西南科技大学国防预研项目，西南科技大学创新基金项目 |
| |
| 摘 要： | 介绍了弹性波CT技术的原理、方法和优点。在弹丸冲击混凝土靶体实验中,应用弹性波CT技术对冲击前后的混凝土靶体进行CT成像分析,并根据成像剖面上冲击前后对应位置的速度对比情况,分析其在弹丸冲击作用下的宏观破坏和内部损伤。CT成像分析结论与实际观测结果有较好的一致性,这表明利用弹性波CT成像能很好地反映混凝土靶体冲击前的结构特征、冲击后的破坏状况和损伤情况。
|
| 关 键 词： | 弹性波 冲击损伤 声波测试 |
Application of Elastic Wave CT to Impacting Damage Experiment of Concrete Targets |
| |
| LIN Man-qing,GUO Xue-bin,XIAO Zheng-xue,CHEN Xing-ming,ZHANG Ji-chun and GAO Hang.Application of Elastic Wave CT to Impacting Damage Experiment of Concrete Targets[J].Journal of Experimental Mechanics,2010,25(2):136-142. |
| |
| Authors: | LIN Man-qing GUO Xue-bin XIAO Zheng-xue CHEN Xing-ming ZHANG Ji-chun and GAO Hang |
| |
| Institution: | LIN Man-qing 1,GUO Xue-bin1,XIAO Zheng-xue1,CHEN Xing-ming1,ZHANG Ji-chun2,GAO Hang1(1.School of Environment , Resources,Southwest University of Science , Technology,Mianyang 621010,Sichuan,China,2.School of Civil Engineering,Southwest Jiaotong University,Chengdu 620000,China) |
| |
| Abstract: | Principle,method and advantage of the elastic wave CT technology are introduced in this paper.In impacting experiment of energetic projectile into a concrete target,the application of elastic wave CT technology to analyses the CT tomography taken before and after the impacting experiment of an energetic projectile into a concrete target.Based on the comparison of the elastic wave speed of corresponding positions on the imaging profile corresponding positions taken before and after impact,the macro broken st... |
| |
| Keywords: | CT |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《实验力学》浏览原始摘要信息 |
| 点击此处可从《实验力学》下载免费的PDF全文 |
|
