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IPC

(21) (22)

Application

95109732/03, 1995-06-13

(22)

Actual filing date

1995-06-13

(45)

Published

1998-05-20

(72)

Inventor

Bezrodnyj K.P.Dukarevich S.E.Kulagin N.I.Maslak V.A.Salan A.I.Filonov Ju.A.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Proektno-Izyskatel'Skij Institut Transportnogo Stroitel'Stva

METHOD OF CONSTRUCTION OF UNDERGROUND WORKINGS IN UNSTABLE WATER-SATURATED GROUNDS Russian patent published in 1998 - IPC

Abstract RU 2111361 C1

FIELD: construction, particular, methods of construction of underground workings in unstable water-saturated grounds. SUBSTANCE: method includes establishment of ice-ground guard and driving of underground working with installation of support. The method is distinguished by the fact that ice-ground guard is defrosted along the axis of underground working by parts multiple to length of lining ring, then, thawed incoherent ground is solidified by injections by separate parts. EFFECT: higher efficiency. 1 dwg

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RU 2 111 361 C1

Authors

Bezrodnyj K.P.

Dukarevich S.E.

Kulagin N.I.

Maslak V.A.

Salan A.I.

Filonov Ju.A.

Dates

1998-05-20—Published

1995-06-13—Filed