A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Constructing a railway tunnel in clayey ground
Brief notes on construction of 360-yd. tunnel, 32 by 19 ft. in section, near Zamora; in test, one man with 15 1/2lb. hammer pick obtained higher output than four men using two 55-lb. pneumatic spaders.
Constructing a railway tunnel in clayey ground
Brief notes on construction of 360-yd. tunnel, 32 by 19 ft. in section, near Zamora; in test, one man with 15 1/2lb. hammer pick obtained higher output than four men using two 55-lb. pneumatic spaders.
Constructing a railway tunnel in clayey ground
Bohrhammer
1929
3 pages
7 Figs.
Article (Journal)
English
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