A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
New tunnelling method for construction of Metro Toronto's humber valley trunk sewer
Two mi sewer will serve 50,000 acres with 350,000 residents; to avoid noise and blast-vibrations unique 60-ton, 25-ft long machine bores steadily through rock 50 to 100 ft below ground surface; sewer is of concrete, circular in section, and 8 3/4 ft in diam, constructed in tunnel of 10 3/4 ft diam; concrete introduced through 10 in. diam holes drilled from surface; spoil disposal by conveyors and mine-train.
New tunnelling method for construction of Metro Toronto's humber valley trunk sewer
Two mi sewer will serve 50,000 acres with 350,000 residents; to avoid noise and blast-vibrations unique 60-ton, 25-ft long machine bores steadily through rock 50 to 100 ft below ground surface; sewer is of concrete, circular in section, and 8 3/4 ft in diam, constructed in tunnel of 10 3/4 ft diam; concrete introduced through 10 in. diam holes drilled from surface; spoil disposal by conveyors and mine-train.
New tunnelling method for construction of Metro Toronto's humber valley trunk sewer
Mun Utilities Mag
1958
Article (Journal)
English
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