Discussion on application of chamber water-pressure blasting;

The chamber blasting with bar charges is used in rock dig of openpit, railway road, hydroelectric industry and other projects.

The linear charge chamber blasting method which was popular in recent years was put into use to reach the purpose of reducing the hidden accident quickly and effectively in mining stope and insuring the copper production smoothly.

Based on the practice of exploiting dam materials for panel rock-fill dam at Dahe reservior (Grangdong Province) by chamber blasting technique, the feasibility of exploiting dam materials by such technique is discussed, also, some viewpoints in the implementation process are put forward.

Aplication of short delay pre-splitting blasting technology among and inside deep holes in engineering blasting of fragment room;

Study on improving the penetrability of coal seam with the water pressure blasting in the through beds hole;

Study on charging structure and its use of deep hole water pressure blasting;

According to the peculiarity of explosive load in water,by use of the energy criterion and the sound wave approximate formula,the equivalent static loading on every layer of the wall that is produced by water pressure blasting is calculated in this paper.

Orthogonal experimental analysis of the factors affecting destruction degree caused by hydraulic blasting;

Demolition of reinforced concrete water tower by hydraulic blasting;

Demolishing coal funnel of the old plant of Jiaozuo Power Plant by hydraulic blasting;