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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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International Journal of Railway
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Journal DOI :
Korean Society for Railway
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Volume & Issues
Volume 3, Issue 4 - Dec 2010
Volume 3, Issue 3 - Sep 2010
Volume 3, Issue 2 - Jun 2010
Volume 3, Issue 1 - Mar 2010
Selecting the target year
Prospects of Development of the "Trans-Siberian and Trans-Korean Railways Connection" Project: Investment Aspect
Nekhoroshkov, Vladimir ;
International Journal of Railway, volume 3, issue 4, 2010, Pages 113~116
In modern conditions of world economic development the integral element of stable social and economic development of the separate countries of the world is the level of their transport infrastructure development, on the one hand capability to effectively provide economic communications between regions inside the country, and capability to integrate into world economic. The condition of a transport infrastructure and its possibility in sphere of maintenance of national participants of foreign trade are reflected in many respects on competitiveness of production, made by them, in the world market and, as consequence, on a country role in economic.
Integration of Stress-Strain Rate Equations of CASM
Koh, Tae-Hoon ;
International Journal of Railway, volume 3, issue 4, 2010, Pages 117~122
In transportation geotechnical engineering, stress-strain behavior of earth structures has been analyzed by numerical simulations with the implemented plasticity constitutive model. It is a fact that many advanced plasticity constitutive models on predicting the mechanical behavior of soils have been developed as well as experimental research works for geotechnical applications in the past decades. In this study, recently developed, a unified constitutive model for both clay and sand, which is referred to as CASM (clay and sand model), was compared with a classical constitutive model, Cam-Clay model. Moreover, integration methods of stress-strain rate equations using CASM were presented for simulation of undrained and drained triaxial compression tests. As a conclusion, it was observed that semi-implicit integration method has more improved accuracy of capturing strain rate response to applied stress than explicit integration by the multiple correction and iteration.
Prospects of Development of the Russian Asia Railway System: Geoeconomic Aspect
Evgeniy, Kibalov ;
International Journal of Railway, volume 3, issue 4, 2010, Pages 123~125
That Russia is potentially great transport power becomes obvious if look to map of any route. The geographical position of the Russian Federation unequivocally specifies intended by nature the role of geobridge between the countries of Asia-Pacific Region and Europe. However, in construction engineering practice and feasibility study the construction of difficult and strategically important bridges is generally joins in wider concept of bridge crossing. The last includes not only actually the bridge(through the river, gulf, etc.), but also approaches to it, which construction in view of features of a relief and a configuration of new transport communications which have already developed and subject to construction not less difficult technically and not only economically expended, than building of the basic artificial construction.
Parametric Study of Thermal Stability on Continuous Welded Rail
Choi, Dong-Ho ; Na, Ho-Sung ;
International Journal of Railway, volume 3, issue 4, 2010, Pages 126~133
The thermal buckling analysis of curved continuous welded rail (CWR) is studied for the lateral buckling prevention. This study includes a thermal buckling theory which accounts for both thermal and vehicle loading effects in the evaluation of track stability. The parameters include rail size, track lateral resistance, track longitudinal and torsional stiffnesses, initial misalignment amplitude and wavelength, track curvature, tie-ballast friction coefficient and truck center spacing. Parametric studies are performed to evaluate the effects of the individual parameters on the upper and lower critical buckling temperatures. The results show that the upper critical buckling temperature is highly affected by the uplift due to vehicle loads. This study provides a guideline for the improvement of stability for dynamic buckling in curved CWR track.