A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Dynamiting old timber trusses adjacent to new concrete span
Use of 30 charges of 60% dynamite inserted in members of 140-ft span timber truss bridge at Estacada, Ore, to drop 112 ft length of structure into Clackamas River, without damage to new concrete span immediately upstream.
Dynamiting old timber trusses adjacent to new concrete span
Use of 30 charges of 60% dynamite inserted in members of 140-ft span timber truss bridge at Estacada, Ore, to drop 112 ft length of structure into Clackamas River, without damage to new concrete span immediately upstream.
Dynamiting old timber trusses adjacent to new concrete span
Eng News-Rec
Engineering News-Record ; 118
1937
Article (Journal)
English
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