Device and method for ground freezing

The soil is frozen in the surrounding area in order to block the ground water when a tunnel is to be build. A multitude of tubes is inserted into the soil and filled with fluid nitrogen, resulting in the creation of a solid block suitable for the use of a tunnel boring machine. The tubes are made at...

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Bibliographische Detailangaben
Hauptverfasser:	HATZ, GOTTFRIED, TAUCHMANN, JENS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	EARTH DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GALLERIES HYDRAULIC ENGINEERING LARGE UNDERGROUND CHAMBERS MINING SHAFTS SOIL SHIFTING TUNNELS UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	The soil is frozen in the surrounding area in order to block the ground water when a tunnel is to be build. A multitude of tubes is inserted into the soil and filled with fluid nitrogen, resulting in the creation of a solid block suitable for the use of a tunnel boring machine. The tubes are made at least partially of a material breaking easily when touched by the machine. A compound of a synthetic material and metal or carbon is sufficiently brittle as well as thermal conductive. An independent claim is given for a method of freezing the soil using the tubes.