城市大规模深孔爆破控制技术

Controlled Technique For Urban Large scale Deep hole Blasting

青岛市李山路深孔控制大爆破，是目前国内规模最大的城市深孔控制爆破。该爆破共钻孔２５９０个，钻孔总延米为１５６２７，爆破岩石１２．６万ｍ３，总装药量为５１．６ｔ。该爆破采用非电毫秒雷管，应用了多项爆破新技术，对爆破效果、振动、飞石进行了有效的控制。

The deep hole controlled large blasting at Lishanroad,Qingdao city was the largrst one in urhan so far.Duringthe blasting 2590 holes were drilled,total running meter ofholes was 15627 ,blasted rocks was 126 million m3 ,totalcharges was 51.6t.Non electric millisec detonators and agood many of new blasting techniques were adopted.Blastingeffect ,vibration and flying stones were adopted. Blasting ef-fect,vibration and flying stones were controlled effectively.