BLASTING DEMOLITION OF A LONGITUDINAL COFFERDAM IN DAYUANDU RIVER
Qi Zhou
Abstract
Qi Zhou
Abstract
A longitudinal concrete cofferdam was demolished by way of underwater controlled blasting. The calculation of maximum charge weight per delayed interval, the design of drilling and charging structure, initiation network and others were introduced. Main blasting safety precautions were discussed in detail. In the light of this engineering example, some views on the arrangement and blasting demolition of a longitudinal cofferdam were put forward.
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A longitudinal concrete cofferdam was demolished by way of underwater controlled blasting. The calculation of maximum charge weight per delayed interval, the design of drilling and charging structure, initiation network and others were introduced. Main blasting safety precautions were discussed in detail. In the light of this engineering example, some views on the arrangement and blasting demolition of a longitudinal cofferdam were put forward.
Key concepts: Cofferdam, Demolition, Rock blasting, Drilling and blasting, Engineering, Underwater, Geotechnical engineering, Drilling