厂坝二期边坡控制大爆破

A LARGE SCALE CONTROLLED BLAST FOR A SECOND-STAGE SIDESLOPE AT CHANGBA LEAD-ZINC MINE

本文简述厂坝二期边坡控制大爆破设计、施爆、监测工作特点，并对其工程与减震效果进行评价，同时阐明了爆区垫层处理对未来稳坡的必要性。

The design,operation, and monitoring are described of a large scale controlledblast for a second-stage sideslope at Changba Lead-Zinc Mine,and assessment is made of theengineering and vibration absorption effects. It is pointed out that the treatment of cushioncourse in the blast area is important to the future stability of the slope.