Longhole controlled blasting techniques were applied and the coverage protective measures were taken during construction in accordance with technical specifications for water conservancy & hydropower and rock blasting,thus to ensure safety of the EHV power supply line and re- lated towers in the emergency water supply channel of the Beijing-Shijiazhuang section excavation work

During the construction of the Shunping section of the South-to-North Water Transfer Project,the amount of rock blasting is enor- mous.

Here the auther adopted scientific design and actualized for amour blocks blasting project,aimed at the character and difficulty of rock blasting project in the scurviness tropic desert.

The necessity to study frozen soil blasting method is dis cu ssed.

In the construction of Qinzhuo-Luwu first class highway, different blasting methods were adopted for the highway sectors with different characteristics by Guangxi corporation for civil engineering construction & mineral exploration.

Comprehensive evaluation model based on gray correlative analysis and its application to selecting blasting scheme

Blasting scheme and safety measure of close quarter and high slope

The influence of blasting scheme on the cost of chamber blasting is discussed.

The uncoupling index,cartridge diameter,smooth blasting perimeter hole space,blasting deep,charge,blasting fashion est.