爆破器材Issue(6)：9-14,6.DOI:10.3969/j.issn.1001-8352.2015.06.003
基于精确延时的基坑开挖爆破振动控制研究
Control of Blasting Vibration in Foundation Pit Excavation Based on the Precise Time Delay
李顺波 1杨军 2李长军3
作者信息
- 1. 中国矿业大学 北京 力学与建筑工程学院 北京，100083
- 2. 北京理工大学爆炸科学与技术国家重点实验室 北京，100081
- 3. 融硅思创 北京 科技有限公司 北京，100144
- 折叠
摘要
Abstract
In order to control the blasting vibration in precise time delay blast,the elastic wave based theory gives a reasonable formula of millisecond delay interval, which applied for the onsite measured signal analysis in combination with the excavation of foundation pit engineering. The results show that: the instantaneous energy is less when the millisecond delay interval inside the holes is 4 ms and between the holes is 12 ms, which is advantageous to the vibration control of the blasting. Under short millisecond delay interval, the blasting seismic wave energy can be greatly reduced, and the blasting vibration energy distribution is optimized and tends to approach the high-frequency regions.关键词
爆破振动/基坑开挖/电子雷管/精确延时Key words
blasting vibration/foundation pit excavation/electronic detonator/precise time delay分类
矿业与冶金引用本文复制引用
李顺波,杨军,李长军..基于精确延时的基坑开挖爆破振动控制研究[J].爆破器材,2015,(6):9-14,6.
