ISSN 2096-4498
CN 44-1745/U
Tunnel Construction ›› 2011, Vol. 31 ›› Issue (S2): 108-112.
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PENG Changhai
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Abstract: The No.1 entrance of Xietaizi station on Chongqing Metro line 1, crosses underneath existing twofloored building, is shallowcovered. The construction is with great difficulty and short construction scheme. Static blasting technology is used in excavation, and technologies such as large piperoof, advance small duct supporting, grouting at tunnel face, radial grouting and following grouting in tunnel are adopted. In the end, the construction has made a great success.
Key words: mining method, shallowburied tunnel, cross underneath building, static blasting, grouting technology
PENG Changhai. Construction Technology of Entrance of Supershallowcovered Metro Tunnel Crossing Underneath Existing Building[J]. Tunnel Construction, 2011, 31(S2): 108-112.
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http://www.suidaojs.com/EN/Y2011/V31/IS2/108
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