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IPC

(21) (22)

Application

2001103767/06, 2001-02-08

(24)

Start date

2001-02-08

(22)

Actual filing date

2001-02-08

(45)

Published

2002-10-20

(72)

Inventor

Mustafin F.M.Gil'Metdinov R.F.Kvjatkovskij O.P.Gamburg I.Sh.Spektor Ju.I.Koltunov G.I.

(73)

Holder

Ufimskij Gosudarstvennyj Neftjanoj Tekhnicheskij Universitet

METHOD OF UNDERGROUND PIPELINE LAYING Russian patent published in 2002 - IPC

Abstract RU 2191312 C1

FIELD: construction engineering; applicable in construction of main pipelines. SUBSTANCE: steel isolated pipeline is laid into trench on preparation layer treated with binder, filling of cushioning layer of ground treated with binder and filling up of pipeline with ground. Preparation layer contains organic binder in amount of 10-15% of ground weight. Cushioning layer amounts to 8-12% of ground weight. Filling layer and fill ground also contain organic binder in amount of 8-12% of ground weight. EFFECT: increased pipeline reliability. 3 cl, 1 dwg

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RU 2 191 312 C1

Authors

Mustafin F.M.

Gil'Metdinov R.F.

Kvjatkovskij O.P.

Gamburg I.Sh.

Spektor Ju.I.

Koltunov G.I.

Dates

2002-10-20—Published

2001-02-08—Filed