摘要
根据单孔爆破荷载峰值的大小随距离的衰减关系及药包分散性的影响对多孔爆破荷载进行推导,得到控制爆破下的爆破荷载计算模式,将川本眺万等提出的不连续岸体中的损伤力学理论引入到对隧道围岩中的传播进行了解析法和有限法的数值模拟,得出一些有益的结论。
According to the attenuation relation between the crest value of single-hole blasting load and distance and the influence of cartridge′s dispersion, this paper derived the multi-holed blasting load, and obtained the calculation mode of blasting load under controlled blasting. Numerical simulation was carried out for propagation of stress waves in surrounding rock of road tunnel and conclusions of reference value were obtained.
出处
《水运工程》
北大核心
2004年第9期74-78,共5页
Port & Waterway Engineering
关键词
爆破荷载
应力波
解析法
数值模拟
公路隧道
blasting load
stress waves
analytical method
numerical simulation
