ISSN 2096-4498
CN 44-1745/U
Tunnel Construction ›› 2013, Vol. 33 ›› Issue (8): 690-695.DOI: 10.3973/j.issn.1672-741X.2013.08.012
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CHEN Qiwei1,2, WANG Yali3, ZHANG Jian4
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Abstract:
Needlebeam fullcircular formwork jumbos are used in the construction of the secondary lining of the intake tunnel of Taishan Nuclear Power Plant, so as to realize onceforall and rapid construction of the fullcircular concrete lining of the subsea waterdiversion tunnel. In this paper, the method and procedure of the construction of the secondary lining are analyzed, the main structure and technical parameters of the formwork jumbos are presented, and the key construction technologies are described. Furthermore, three innovative points of the application of the formwork jumbos, including the construction arrangement and design inside and outside of the tunnel in the case of 3 formwork jumbos, the continuous construction of the lining by means of 3 formwork jumbos and the cautions for the continuous construction of the lining by 3 formwork jumbos, are summarized.
Key words: subsea tunnel, needlebeam fullcircular formwork jumbo, oneway synchronized lining, continuous operation in turn
CHEN Qiwei, WANG Yali, ZHANG Jian. Innovative Application of Needlebeam Fullcircular Formwork Jumbos in Construction of Lining of Subsea Waterdiversion Tunnel[J]. Tunnel Construction, 2013, 33(8): 690-695.
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