%0 Journal Article
%T Experimental Study of Sand Wall Energy Absorption Effect on Blastwave<br>沙墙吸能作用对爆炸冲击波影响的实验研究
%A WANG Deng-wang
%A ZHANG De-zhi
%A LI Yan
%A WANG Chang-li
%A LIU Wen-xiang
%A LI Jie
%A WANG Hui
%A <br>王等旺
%A 张德志
%A 李焰
%A 王长利
%A 刘文祥
%A 李捷
%A 王惠
%J 实验力学
%D 2011
%I 
%X Under the effect of blast wave, sand wall quickly scattered. Explosion energy has transformed into kinetic energy of sand-grains and friction work of sand grain refinement. So the wall assembled by sand bags has an effective performance in blast wave energy absorption and structure protection in explosion experiment. An experiment aimed the load endurance ability of an airtight cylindrical vessel lined with sand wall was carried out by using 366g TNT centrally initiated global explosive. Experimental Results show that sand wall causes the reduction of blastwave pressure peak value as high as sixth of original; the arrival-time is prolonged significantly; stain peak value on vessel outer surface is reduced at least 30%; acceleration peak value at vessel end is reduced as high as 50%. This sufficiently accounts for the effective performance of blast wave energy absorption of sand wall.
%K sand wall
%K shock wave
%K wave-deducted and energy absorption
%K cylindrical vessel<br>沙墙
%K 冲击波
%K 消波吸能
%K 柱形容器
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=5D344E2AD54D14F8&jid=49067A0A0D864088C06A84AACB51A5B2&aid=29FA679B61699A52F8AC2B91ED252D99&yid=9377ED8094509821&vid=96C778EE049EE47D&iid=CA4FD0336C81A37A&sid=42425781F0B1C26E&eid=ECE8E54D6034F642&journal_id=1001-4888&journal_name=实验力学&referenced_num=0&reference_num=8