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2 184 238

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IPC

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Application

2001110695/03, 2001-04-23

(24)

Start date

2001-04-23

(22)

Actual filing date

2001-04-23

(45)

Published

2002-06-27

(72)

Inventor

Gil'Shtejn S.R.Stogov S.N.Semenov A.N.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Inzhiniring"

FACILITY FOR ERECTION OF UNDERGROUND STRUCTURE FROM POURED- IN-PLACE PRESSED CONCRETE Russian patent published in 2002 - IPC

Abstract RU 2184238 C1

FIELD: underground construction, construction of various tunnels. SUBSTANCE: facility includes tunnel shield with mechanism for processing of ground, shield hydraulic jacks, moulding forms with hydraulic jacks for their displacement, moulding ring and branch pipe to feed concrete mixture. Facility is fitted with expanding mechanism located on side of tail part of moulding forms and movably joined to forms. It is manufactured in the form of semi-rings interlinked by means of hydraulic jacks. One semi-ring is equipped with columns, free end of each column has carrying roller mounted for interaction with internal surface of poured-in-place pressed lines of underground structure. EFFECT: increased efficiency and productivity of operation of facility in soft, quick grounds. 3 dwg

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RU 2 184 238 C1

Authors

Gil'Shtejn S.R.

Stogov S.N.

Semenov A.N.

Dates

2002-06-27—Published

2001-04-23—Filed

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