摘要
在贵港航运枢纽工程船闸开挖中 ,采用了预裂爆破、非电毫秒雷管微差爆破和小梯段孔底设柔性垫层的保护层一次钻爆等爆破技术 ,确保了边坡的稳定性和基底岩体的完整性。本文介绍了爆破方案的设计、爆破参数的选取、装药结构以及岩体中声波的测定。
In excavation of the shiplock of Guigang Water Conservancy Project, the different blasting techniques such as presplitting, millisecond blasting with Nonel detonators, and one shot protection layer blasting with small steps and buffering material at the bottom of blastholes were used, thus ensuring the stability of slope walls and the intactness of base rock. In this paper, the design of blasting scheme, the selection of blasting parameters, charging structure and sound wave measurement in a rock mass were introduced.
出处
《工程爆破》
2000年第3期59-61,共3页
Engineering Blasting
关键词
岩石开挖
预裂爆破
微差爆破
贵港航运枢纽工程
Rock excavation
Presplitting blasting
Millisecond blasting
Sound wave measurement
