List of products by author: H. Ha

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  A Numerical Study on the Pressure Relief by a Vertical Shaft in a Tunnel

  Abstract: Many countries have planned high-speed railways in order to shorten time to transport passengers and commodities. Many European countries and Japan have a state art of technologies of high-speed railways [1]. These days, United States and China have started numerous researches and planned a lot of high-speed railway transportation systems [2] [3]. South Korea is also planning and constructing...

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