List of products by author: K. Gunji

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  Construction of highway tunnel with the renovation of the railroad viaduct

  Abstract: This paper reports the construction of an underground structure by underpinning where the Tokyo Gaikaku Expressway crosses under the railway viaduct of the JR-Sobu Line without affecting train operation. A large-scale box culvert was immersed on both sides of the existing railway viaduct by pneumatic caisson method. In addition, the box culverts were used as foundations for piers which...

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