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A platform for research: civil engineering, architecture and urbanism
Bridge demolition at Oroville dam
When Highway 40A was relocated around Oroville Dam, concrete arch bridge that had carried it across Feather River had to be demolished; main arch of 350-ft span was destroyed in one blast; objective of producing easily removed debris, avoiding flying pieces and ground or air shocks was achieved by V-shaped cut made in piers to fell them; for all blasting, 60% gelatin was used with reinforced Primacord No. 2 delays, HDP-3 primers, and instant electric caps.
Bridge demolition at Oroville dam
When Highway 40A was relocated around Oroville Dam, concrete arch bridge that had carried it across Feather River had to be demolished; main arch of 350-ft span was destroyed in one blast; objective of producing easily removed debris, avoiding flying pieces and ground or air shocks was achieved by V-shaped cut made in piers to fell them; for all blasting, 60% gelatin was used with reinforced Primacord No. 2 delays, HDP-3 primers, and instant electric caps.
Bridge demolition at Oroville dam
Civ Eng (NY)
1966
2 pages
Article (Journal)
English
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