Transactions of
Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The East River Tunnels. Paper No. 1159
作者：Brace, James H.; Mason, Francis; Woodard, S. H.
体例：题 章数：35
字数：120,159 来源：Project Gutenberg
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章节目录
共 35 题- AMERICAN SOCIETY OF CIVIL ENGINEERS
- INSTITUTED 1852
- TRANSACTIONS
- Paper No. 1159
- THE NEW YORK TUNNEL EXTENSION OF THE PENNSYLVANIA RAILROAD.
- THE EAST RIVER TUNNELS.[A]
- TUNNELS FROM EAST AVENUE TO THE RIVER SHAFTS.
- EXCAVATION IN ALL ROCK.
- EXCAVATION IN EARTH AND ROCK.
- TUNNELING IN COMPRESSED AIR WITHOUT A SHIELD.
- CONCRETE CRADLES, HAND-PACKED STONE AND GROUTING.
- ERECTION OF IRON LINING.
- LONG ISLAND SHAFTS.
- MANHATTAN SHAFTS.
- RIVER TUNNELS.
- TUNNELS DRIVEN EASTWARD FROM MANHATTAN.
- TUNNELS DRIVEN WESTWARD FROM LONG ISLAND CITY.
- METHODS OF EXCAVATION.
- LINE A, LONG ISLAND.
- LINE B, LONG ISLAND.
- LINE C, LONG ISLAND.
- LINE D, LONG ISLAND.
- LINE A, MANHATTAN.
- LINE C, MANHATTAN.
- SPECIAL DIFFICULTIES.
- GUIDING THE SHIELDS.
- INJURIES TO SHIELDS.
- SETTLEMENT AT SURFACE OF GROUND.
- CLAY BLANKET.
- IRON LINING.
- GROUTING.
- CAULKING AND LEAKAGE.
- SUMP AND PUMP CHAMBERS.
- CONCRETE LINING.
- ELECTRIC CONDUITS.