现代电子技术2016，Vol.39Issue(17)：156-160,5.DOI:10.16652/j.issn.1004-373x.2016.17.039
建筑物爆破拆除定向切口参量数值模拟研究
Study on numerical simulation of directional incision parameter for building blasting demolition
摘要
Abstract
The numerical simulation of hotel blasting demolition was conducted,and the numerical calculation for the blasting demolition process of the main building was performed in the condition of six incisions height. The separated common node model is studied by means of the numerical simulation experiment of single upright,in which the reason of massive rebar fracturing is caused by automatic decrease of rebar strain failure. On the basis of the gravity center instability theory and empirical formula theory,the six⁃incision height is selected to research the directional collapse. The numerical calculation results show that the height of best incision is half of the gravity center height,at this moment,the building demolition can obtain the maximum ki⁃netic energy utilization.关键词
爆破拆除/定向倾倒/切口参量/数值模拟/分离式共节点模型Key words
blasting demolition/directional collapse/incision parameter/numerical simulation/separated common node model分类
信息技术与安全科学引用本文复制引用
刘毅,易书林..建筑物爆破拆除定向切口参量数值模拟研究[J].现代电子技术,2016,39(17):156-160,5.
