Stability of an immersed tunnel in offshore conditions under deep water wave impact
Stability of an immersed tunnel in offshore conditions under deep water wave impact
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DOI：
10.1016/j.coastaleng.2008.02.021
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发表时间：
2008-08
影响因子：
4.4
通讯作者：
T. Kasper;J. Steenfelt;L. M. Pedersen;P. Jackson;R. Heijmans
中科院分区：
文献类型：
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作者：
T. Kasper;J. Steenfelt;L. M. Pedersen;P. Jackson;R. Heijmans
韩国釜山-巨济固定连接线沉管隧道的特殊设计要求之一是隧道在有效波高高达 9.2 m 的波浪冲击下的稳定性。隧道的大部分位于沟渠内，以软海相粘土为基础，通过水泥深层搅拌（CDM）柱加固，以限制和控制隧道及其保护材料重量引起的沉降。波浪冲击下隧道的稳定性问题超出了任何设计标准的范围，通过物理模型试验和数值模拟相结合的方式进行了研究和验证。本文详细描述了用于解决这一特定问题的方法，并讨论了隧道设计的结果和后果。
One of the special design requirements for the immersed tunnel of the Busan–Geoje Fixed Link in South Korea has been the stability of the tunnel under wave impact with up to 9.2 m significant wave height. A large part of the tunnel is placed in a trench and is founded on soft marine clay which is reinforced by cement deep mixing (CDM) columns to limit and control the settlements caused by the weight of the tunnel and its protection material. Being beyond the scope of any design standard the problem of the tunnel stability under wave impact has been investigated and verified by a combination of physical model tests and numerical modelling. This paper provides a detailed description of the methodology applied to solve this particular problem and a discussion of the results and consequences for the design of the tunnel.