Shield tunnel structure adopting temporary shield well structure and construction method

The shield tunnel structure adopting the temporary shield well structure comprises a shield well, the shield well is a receiving or starting shield well, a shield tunnel penetrates through the shield well, and shield segments are installed in the shield tunnel; in the shield well, the shield tunnel...

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Bibliographische Detailangaben
Hauptverfasser: SUN LIZHU, HUANG HUAINING, XUE RUJING, LI MINGGAN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The shield tunnel structure adopting the temporary shield well structure comprises a shield well, the shield well is a receiving or starting shield well, a shield tunnel penetrates through the shield well, and shield segments are installed in the shield tunnel; in the shield well, the shield tunnel is communicated with the shield well by removing shield segments in the well; the shield well is a temporary shield well, a cast-in-place tunnel is arranged in the temporary shield well as a permanent structure, and the cast-in-place tunnel is in sealed connection with shield segments of the shield tunnels at the two ends; and the temporary shield well above the cast-in-place tunnel is filled with backfill soil to the ground. The shield well structure above the tunnel can be broken at will according to follow-up engineering requirements. The invalid space in the tunnel is reduced, the occupied underground space is reduced, and the structure use efficiency is improved. 一种采用临时盾构井结构的盾构隧道构造和施工方法,包括盾构井,所述盾构井为接收或始发盾构井,盾构