A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Underground excavations in hard rock date from at least as early as 1500 BC; greatest ancient tunnel, 19 ft high, 9 ft wide and 3 mi long, was completed in 52 AD; development of methods for shaft sinking in wet ground; features of modern equipment and practice; future trends.
Underground excavations in hard rock date from at least as early as 1500 BC; greatest ancient tunnel, 19 ft high, 9 ft wide and 3 mi long, was completed in 52 AD; development of methods for shaft sinking in wet ground; features of modern equipment and practice; future trends.
Shaft sinking and tunneling
Eng Min J
Lewis, R.S. (author)
1941
Article (Journal)
English
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| Engineering Index Backfile | 1902
Safety practices in shaft sinking and tunneling -- West Delaware aqueduct
| Engineering Index Backfile | 1962
| Engineering Index Backfile | 1948
| Tema Archive | 2013