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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 19    No. 4    August 2009

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Mechanical characteristics of fused cast basalt tube encased in steel pipe for protecting steel surface
Jee-Seok WANG1, Jong-Do KIM2, Hee-Jong YOON3

1. Division of Mechanical and Information Engineering, Korea Maritime University,
Yeongdo-gu, Busan, 606-791, Korea;
2. Division of Marine System Engineering, Korea Maritime University,
Yeongdo-gu, Busan, 606-791, Korea;
3. Department of Research and Development, Dongdo Basalt Industry Co., Ltd,
Angang-eup, Kyongju, 780-802, Korea

Abstract:Because of the various excellent characteristics of cast basalt materials, such as, anti-corrosion, anti-wearing, good hardness, high chemical stability, of which steel may not possess, the steel-basalt composite pipes are used in severe environments for compensating the defects of steel. The limit of bending moment with which steel-basalt composite pipe may safely endure was calculated and the limit curvature of the composite pipe in the safe range was presented. The application temperature of steel-basalt pipe was examined due to a different coefficient among basalt, mortar and mild steel.

 

Key words: basalt; fused cast basalt; steel-basalt pipe; bending; mechanical behavior

ISSN 1672-7029
CN 43-1423/U

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