城区百吨硐室大爆破

A Chamber Blasting with 100 Tons of Charges Carrying out in a City Area

市区一直被视作大爆破的禁区。文章通过实例给出了城区双侧高边坡条件下，多排硐室微差松动爆破的设计原理及施工经验。

Urban area has been a forbiclden zone for large blasting. Now, an example is given toillustrate how a chamber blasting with loose blasting of millisecond delay of many rows of chamberssituated on double high slopes carried out in a city area. The design principle and the construction experience in the blasting are also given.