爆炸荷载作用下浅埋结构内振动实验研究与计算  

Experimental Research and Calculation on Vibration in Shallow-buried Structure Under Explosion Load

作　　者：孙杰[1] 朱立新[1] 王飞[1] 岳小兵[1] 

机构地区：[1]解放军理工大学工程兵工程学院

出　　处：《爆破》2003年第4期7-10,共4页Blasting

摘　　要：　对埋设在1.7m的地下玻璃钢蜂窝夹层复合材料结构,分别用3kg、5kg、7kg、9kg、12kg、15kgTNT集团装药在顶部和侧面地表面上引爆,做爆炸振动实验,测量结构、地坪的振动加速度;然后根据实验数据,找出沿结构断面加速度的分布规律,并利用Origin6.0软件对实验数据进行线性回归分析,给出结构、地坪上振动加速度的计算公式。A structure made of glass fiber-reinforced plane(GFRP) honeycomb sandwich structural composite material is buried at the depth of 1.7 m beneath the earth′s surface. The TNT cubic charges of 3 kg,5 kg,7 kg,9 kg,12 kg,15 kg located on the earh′s surface on the top or sidewall of the structure are detonated respectively. Vibration accelerations in the structure and its floor are measured. Then, according to results from the experiments the distributions of accelerations along the structure and its floor are given. After linear regression analysis of measured data with software Origin 6.0, formulas for calculating vibration accelerations are proposed.

关 键 词：爆炸荷载 浅埋结构 振动加速度 线性回归分析 爆破施工 

分 类 号：TU751.9[建筑科学—建筑技术科学]