A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Highway tunnels in Colorado canyon
Location of U S 40 through Clear Creek Canyon requires numerous tunnels through granite and schist; section of typical tunnel illustrated; minimum width from curb to curb 26 ft, clear height 14 ft at curb lines; lining is either of "Class A" concrete or gunite.
Highway tunnels in Colorado canyon
Location of U S 40 through Clear Creek Canyon requires numerous tunnels through granite and schist; section of typical tunnel illustrated; minimum width from curb to curb 26 ft, clear height 14 ft at curb lines; lining is either of "Class A" concrete or gunite.
Highway tunnels in Colorado canyon
Western Construction News
Livingston, R.E. (author)
1948
2 pages
Article (Journal)
English
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