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2 244 781

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(51)

IPC

(21) (22)

Application

2003129476/03, 2003-10-06

(24)

Start date

2003-10-06

(22)

Actual filing date

2003-10-06

(45)

Published

2005-01-20

(72)

Inventor

Minajlov G.P.Jusupov S.N.Passek V.V.Tsukanov N.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Institut Transportnogo Stroitel'Stva" Tsniis)Obshchestvo S Ogranichennoj Otvetstvennost'Ju Predprijatie Tyndinskaja Merzlotnaja Stantsija"

GROOVE FOR ROAD BUILDING Russian patent published in 2005 - IPC

Abstract RU 2244781 C1

FIELD: building, particularly for building railroad embankments in permafrost zones.

SUBSTANCE: groove includes ballast prism, support massif contacting with groove slopes by side massif walls and arranged under ballast prism, heat insulation layer laid on groove slopes and protective layer located above heat insulation one. Support body comprises upper part of h_U height formed of fractional rock and lower part of h_L height made of non-drainage ground. Protective layer is made of drainage ground. Support massif height h₀, upper part height h_U and lower part h_L height are determined from corresponding relations.

EFFECT: prevention of road bed deformation during embankment erection.

1 dwg

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RU 2 244 781 C1

Authors

Minajlov G.P.

Jusupov S.N.

Passek V.V.

Tsukanov N.A.

Dates

2005-01-20—Published

2003-10-06—Filed