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List of products by author: K. Kuwabara
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Connecting Shield Tunnels to Deep Undersea Caisson Arrival Shaft
Abstract: In a thermal power plant renewal project, seawater intake shield tunnels were connected to a seawater intake structure built by the pneumatic caisson method. The shield machine bored a tunnel to a point at the bottom of the seawater intake structure (caisson) doubling as arrival shaft. Due to high water pressure (0.34 MPa) at the shield machine arrival point, there was concern regarding sludge...
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Development of the New Propulsion Method for Construction of a Small Section Underground Structure While Cutting the...
Abstract: This study proposes a new construction method for constructing a small section structure under railway tracks by non-open cut method.This method has the following 3 characteristics; 1) Ground surface displacement is reduced by a ground cutting wire saw in front of the cutting edge. 2) Attitude control jacks between the cutting edge and precast concrete boxes achieves detailed excavation...
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