Pile foundation control blasting excavation method of integral-plate rocky area

2012 
The present invention provides an integrin pile plate Rocks control blasting method, comprising the steps of: S1, leveling excavation site, positioning pile; S2, heart pile holes drilled into the central portion; S3, pile the inner ring is provided blasthole; S4, drug borehole interior, initiation; S5, slag pile hole, Wall, and under some control blasting pile to pile is completed. The method of the present invention provides, a force can be reduced caliper rock, reduced blasting strong vibration, while reducing the amount of medication blasting, blasting the rock Zhou Bian the pile, the pile bottom bearing stratum shattered rock crusher will not cause the phenomenon, the pile density o larger area can effectively ensure safety excavation pile, the pile bottom bearing stratum of rock mass can be effectively guaranteed, neat pile hole blasting section, of a uniform block.
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