Slurry shield starting tunnel portal sealing structure and construction method thereof

The invention discloses a slurry shield starting tunnel portal sealing structure and a construction method thereof. The sealing structure comprises two streaks of steel wire brushes, two streaks of cord fabric rubber plates and sealing slurry poured in three sealing cavities formed among the two str...

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Bibliographische Detailangaben
Hauptverfasser:	LI GE, ZHANG JINGHANG, LIU SUIZHOU, HE WEIGUO, LUO CHAOFENG, YANG YONGQIANG, ZHANG PENGXIANG, DANG XIFENG, CAI TIANBIN, WANG JIAN, LIN JIANPING, LI YOUBIN, ZHOU YAOSHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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Beschreibung
Zusammenfassung:	The invention discloses a slurry shield starting tunnel portal sealing structure and a construction method thereof. The sealing structure comprises two streaks of steel wire brushes, two streaks of cord fabric rubber plates and sealing slurry poured in three sealing cavities formed among the two streaks of steel wire brushes, the two streaks of cord fabric rubber plates and a shield tunneling machine and used for sealing a tunnel portal. The construction method comprises the steps of first, tunnel portal steel ring mounting, second, mounting of the first streak of steel wire brushes and the second streak of steel wire brushes, third, first extending steel ring mounting, fourth, mounting of the first steak of cord fabric rubber plates and a second extending steel ring, fifth, mounting of the second steak of cord fabric rubber plates and a fixing steel ring, sixth, cord fabric pressing plate assembly mounting, and seventh, contacting of the shield tunneling machine and the tunnel face, and sealing slurry pourin