Abstract: At present the presplit blasting technology has been widely used in fixed slope of water conservancy, railway and highway. The blasting technology for slope can have very good protection work. The fifth contract of Macheng to Wuhan highway engineering project which located in Hubei province has been used the presplitting blasting technology. In the construction process of blasting technology parameters through and construction technology of control, ideal blasting effect has been obtained.

Key words: Presplit blasting, Main blasting holes, Presplit holes, Blasting parameters, Construction technology