SHIELD EXCAVATING MACHINE

SHIELD EXCAVATING MACHINE

PURPOSE:To carry out the execution, without being restrained in the execution length and carry out the execution in correspondence with the change of the sectional shape. CONSTITUTION:A shield excavating machine is constituted of a plurality of cylindrical body parts 10-13 which advance, constructin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MAIDA TOSHIROU, IWASAKI REEO, TSURUOKA TANEHIDE, NINOMIYA KOJI, HAMADA KAZUTO, ASAGAMI YUJI, TAKAMATSU NOBUYUKI, OKU TOSHIAKI, KANEKO MASASHI
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Beschreibung
Zusammenfassung:PURPOSE:To carry out the execution, without being restrained in the execution length and carry out the execution in correspondence with the change of the sectional shape. CONSTITUTION:A shield excavating machine is constituted of a plurality of cylindrical body parts 10-13 which advance, constructing a working pit 40, and a ring part 20 which forms a closed section by connecting these cylindrical body parts 10-13 and advances, constructing a connecting lining body 41 integrally with the working pit 40. The ring part 20 is equipped with the spreading/ contacting function in the direction crossing at right angle with the tunnel excavating advance direction.