Design and construction of a water supply tunnel under New York Harbor, USA

被引:2
|
作者
Watson, David [1 ]
Lawrence, Colin [2 ]
Essex, Randall [3 ]
Shultz, Michael [4 ]
Larsen, Brian [5 ]
机构
[1] Mott MacDonald, Nashville, TN 37209 USA
[2] Mott MacDonald, New York, NY USA
[3] Mott MacDonald, Tampa, FL USA
[4] CDM Smith, Cambridge, MA USA
[5] New York City Econ Dev Corp, New York, NY USA
关键词
diaphragm & in situ walls; tunnels & tunnelling; water supply;
D O I
10.1680/jcien.19.00041
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
A new water main siphon tunnel was built under New York Harbor in 2015 to allow larger ships to access the Port of New York and New Jersey. Located between Brooklyn and Staten Island, the 2.9km long 3.6m dia. tunnel was constructed under active shipping channels through highly variable ground conditions, ranging from decomposed rock to soft clays, all under hydrostatic pressures up to 4 bar beneath the harbour. In a first for New York City, an earth-pressure-balance tunnel boring machine was used. This paper describes the many challenges that faced the project, including a sinkhole forming at the launch and being flooded with sea water for 18 months following hurricane Sandy.
引用
收藏
页码:177 / 186
页数:10
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