Application of Millisecond Delay Blasting Technology in Cutting Excavation with Complicated Surroundings

In a cutting excavation project for the first contracting section of Luanchuan-Chifeng roadway,a reasonable blasting design is made in the light of complicated surroundings.The anticipated blasting results are obtained by using the in-hole and out-hole millisecond delay blasting technology,thus ensuring the safety of surrounding installations and buildings.