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Preflex 철도교량의 운행열차하중에 대한 동적응답 분석
오지택,김현민,최은수,김주우 한국공간구조학회 2005 한국공간구조학회지 Vol.5 No.1
This research analyzed dynamic responses of the preflex railroad bridge. Vertical deflection and acceleration induced by operating train loads and test train loads were measured. Deflection of bridge by train traveling satisfies deflection limitation regulation (L/800) about the concrete bridge, but compare with UIC standard, vibration acceleration happened fairly greatly. Also test result show that acceleration receives greatly effect about the speed than deflection. It must discuss about vibration acceleration problems for speed elevation hereafter.
오지택(Oh Ji Taek),강동훈(Kang Dong Hoon),장승호(Jang Seung Ho) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
Advance into overseas markets of high-speed railway system has other various kinds special quality essentially with common industrial goods or products of single field that had exported in the foreign countries in domestic so far. The biggest difference with a car and electron/electric appliance and high speed railway that is Republic of Korea"s main export goods is that case of high speed railway of purchase subject becomes the country. It can say as most that motive of introduction is established according to activation plan of state economy than individual or desire of specification class. This research achieves advance into overseas markets of South Korea style high-speed railway system, positioning according to advance target department"s scale and special quality done strategy establish and wish to present. Differentiation strategy divided in case that is case and semi-developed country or developing country that advance target nation is advanced nation presented into greatly 2 won currencies.
오지택(OH Ji-Taek),김헌태(Kim Heun-Tae),강동훈(Kang Dong-Hoon),홍세미(Hong Se-Mi) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
Investigated domestic railway specialists" suggestion about efficient role division of labor of government, industrial and academic for South Korea style High Speed Railway(HSR350x) advance into overseas markets. This investigation was gone by question about advance into overseas markets of railroad industry and there is the purpose to utilize to basis data to establish direction of railroad industry advance into overseas markets promotion policy hereafter.
오지택(Oh Ji Taek),장승호(Jang Seung Ho),강동훈(Kang Dong Hoon) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
Railway system is thing which technology field that is many is synthesized. Technology of each field had been guided by different age, different corporations. This research achieved by virtue analysis to propel advance into overseas markets of our railway industry. Analyzed technology market"s inclination and change, and foreign country or other firm"s main technical development tendency about railway civil engineering field. Railway civil engineering field divides and achieved special permission analysis by track, bridge, tunnel and ambient noise.