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List of products by author: T. Suenaga
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Sidewall Reinforcement of Extremely Large Cross-sectional Tailrace Tunnel Passing Through a Fractured Zone
Abstract: In Amagase Dam redevelopment project, the stilling basin of tunnel-type outlet facilities is an extremely large cross-sectional tunnel (maximum drilling cross-sectional area: approx. 650 m2, maximum inner section finish area: approx. 500 m2) for dissipating the discharged water from the main gate before it flows into the Uji River. The target geology is mostly hard sandstone, but a large...
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Verification and Proposal of the Segment Design Method, Considering Construction Loads on Shield Curved Alignment...
Abstract: During shield tunneling at extremely great depths and under extremely high groundwater pressure, various construction loads, such as jack thrust, back-fill material injection pressure, tail grease pressure and tail brush pressure affect the segments of the ring to counter the action of high groundwater pressure. Since in recent years, the shield tunnel has been constructed at increasingly...
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