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2 499 655

(13)

(51)

IPC

B23K31/02(2006-01-01)

B23K101/06(2006-01-01)

C21D1/00(2006-01-01)

(21) (22)

Application

2012110954/02, 2012-03-23

(24)

Start date

2012-03-23

(22)

Actual filing date

2012-03-23

(45)

Published

2013-11-27

(72)

Inventor

Jushin Aleksej AleksandrovichChentsov Aleksandr NikolaevichSargin Evgenij Jur'EvichAntropov Gennadij Ignat'EvichKolesnikov Oleg IgorevichGoncharov Nikolaj GeorgievichStarostin Mikhail MikhajlovichSurikov Vitalij Ivanovich

(73)

Holder

Otkrytoe Aktsionernoe ObshchestvoOtkrytoe Aktsionernoe Obshchestvo Kompanija Po Transportu NeftiObshchestvo S Ogranichennoj Otvetstvennost'Ju Institut Transporta Nefti I Nefteproduktov" Tnn")

METHOD OF PILE ELONGATION Russian patent published in 2013 - IPC B23K31/02 B23K101/06 C21D1/00

Abstract RU 2499655 C1

FIELD: process engineering.

SUBSTANCE: invention relates to construction, particularly, to pile foundations laid in permafrost soils. Proposed method comprises cutting of the ends of pile elements. After cutting, pile elements are assembled. Then, four hexahedral reinforcing straps are welded to pile butt surface outer surfaces by angular weld seams over the entire perimetre. Welding zone is heated. Weld beads are laid for welding. Then, weld joint is cooled down. Thereafter, postwelding thermal treatment of weld seam is effected.

EFFECT: higher bearing capacity of welded pile.

2 dwg, 1 tbl, 1 ex

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RU 2 499 655 C1

Authors

Jushin Aleksej Aleksandrovich

Chentsov Aleksandr Nikolaevich

Sargin Evgenij Jur'Evich

Antropov Gennadij Ignat'Evich

Kolesnikov Oleg Igorevich

Goncharov Nikolaj Georgievich

Starostin Mikhail Mikhajlovich

Surikov Vitalij Ivanovich

Dates

2013-11-27—Published

2012-03-23—Filed