ISSN 2096-4498
CN 44-1745/U
Tunnel Construction ›› 2015, Vol. 35 ›› Issue (6): 547-553.DOI: 10.3973/j.issn.1672-741X.2015.06.009
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ZHAO Yue
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Abstract:
In this paper, the engineering characteristics and functional requirements of the superlong seacrossing tunnel on No. 3 Line of Xiamen Metro are analyzed. The concept of the civil scheme design of the superlong seacrossing tunnel is presented in terms of geologybased route selection, construction method selection and structural design. The construction method of “shield boring method + mining method + shield boring method”, the scheme of the ventilation and exhaust discharge gallery of the seacrossing section, the selection of the ventilation shaft location and the type of the structural crosssection of the tunnel are presented in detail. Comparison and contrast is made among the scheme of “large crosssection tube + small crosssection tube”, the scheme of “three tubes” and the scheme of “single large crosssection tube”, with the scheme of “large crosssection tube + small crosssection tube” adopted in the end. Furthermore, the construction technologies for the connection between the shield boring section and the mining section, the technologies for the disaster prevention and rescue of the superlong seacrossing Metro tunnel, and the structural waterproofing and drainage technologies of the seacrossing tunnel under high water pressure are studied and discussed, and some suggestions are given.
Key words: Metro, superlong seacrossing tunnelgeologybased route selection, shield, mining method, structural design
CLC Number:
U 455.4
ZHAO Yue. Selection of Civil Scheme of Superlong Seacrossing Tunnel on No.3 Line of Xiamen Metro[J]. Tunnel Construction, 2015, 35(6): 547-553.
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http://www.suidaojs.com/EN/Y2015/V35/I6/547
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