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Advanced Developments in Steel and RC Immersed Tunnels
By the help of recent advanced technologies and innovative solutions in steel and reinforced concrete immersed tunnels, very deep and very long sea crossings under challenging ground and environmental conditions becomes feasible and competitive. Sandwich or hybrid immersed tunnels are popular in Japan where both internal and external surfaces are constructed by structural steel plates. Steel diaphragm plates and shear connectors are used between internal and external surfaces, filled with non-shrinkage self-compacting concrete, eliminating the necessity of reinforcement bars. On the other hand, the mega highway immersed tunnel project, Hong Kong - Zhuhai - Macao Bridge Link (HZMB) is currently under construction as reinforced concrete immersed tunnel where segmental full-face casting technique has been applied. It is the first very long immersed tunnel project with two artificial islands in the open sea in China, connecting Hong Kong SAR, Zhuhai (PRC) and Macao SAR once completed.Recipient :
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3630_advanced_developments_in_st
H. Sakaeda / C. K. Tsang / O. Ozgur
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