根据弹丸与钢筋直接发生作用的情况,提出弹丸侵彻钢筋混凝土的近似模型.利用该模型得到弹丸侵彻钢筋混凝土过程中弹丸的加速度时间历程.计算结果与实验结果符合较好.用该模型分析不同配筋结构、配筋尺寸、网眼尺寸对侵彻深度和侵彻过程的影响.结果表明,网眼间距和钢筋直径对侵彻深度影响较大,钢筋混凝土在钢筋层较集中的一侧抗侵彻能力较强.
参考文献
| [1] | 刘小虎,刘吉,王乘,党瑞荣.弹丸低速垂直侵彻无钢筋混凝土的实验研究[J].爆炸与冲击,1999(04):323. |
| [2] | 徐建波,林俊德,唐润棣,初哲.长杆射弹侵彻混凝土实验研究[J].爆炸与冲击,2002(02):174-178. |
| [3] | 武海军,黄风雷,金乾坤,张庆明.弹体贯穿钢筋混凝土数值模拟[J].爆炸与冲击,2003(06):545-550. |
| [4] | Gold V M .A study of penetration of concrete by high velocity projectiles[D].Michigan:Polytechnic University,1995. |
| [5] | Ballew W D .Taylor impact test and penetration of reinforced concrete targets by cylindrical composite rods[D].Blacksbury Va:The Faculty of the Virginia Polytechnic Institute,2004. |
| [6] | Forrestal M J;Grady D E .Penetration experiments for normal impact into geological targets[J].International Journal of Solids and Structures,1982,18(03):229-234. |
| [7] | Forrestal M J;Luk V K .Penet ration into soil targets[J].International Journal of Impact Engineering,1992,12(03):427-444. |
| [8] | M.J. Forrestal;D.J. Frew;J.P. Hickerson;T.A. Rohwer .Penetration of concrete targets with deceleration-time measurements[J].International journal of impact engineering,2003(5):479-497. |
| [9] | D.J. Frew;M.J. Forrestal;J.D. Cargile .The effect of concrete target diameter on projectile deceleration and penetration depth[J].International journal of impact engineering,2006(10):1584-1594. |
| [10] | 王琳,王富耻,王鲁,李树奎.空心弹体垂直侵彻混凝土靶板的应变测试研究[J].北京理工大学学报,2002(04):453-456. |
| [11] | 任辉启,何翔,刘瑞朝,金栋梁,吴飚.弹体侵彻混凝土过载特性研究[J].土木工程学报,2005(01):110-116. |
| [12] | Forrestal M J;Altman B S;Cargile J D et al.An empirical equation for penetration depth of ogive-nose projectiles into concrete targets[J].International Journal of Impact Engineering,1994,15(04):395-405. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%