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List of products by author: M. Iwanami
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Examination of New Joint Formation Method of Lining Concrete
Abstract: For rapid construction system of lining concrete for tunnel structures, the development of a long span tunnel formwork carriage system that extends one construction span to 18 m or more has been worked on. In order to reduce the risk of the occurrence of cracks at unspecified locations, a method to form crack-inducing joints was proposed by installing metal plates at the mid-span of the tunnel...
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Research on Load -bearing Capacity of Partly Repaired RC Segments
Abstract: Segmental tunnel linings constructed in the ground near the sea need attention with regard to the deterioration of reinforced concrete segments caused by salt damage. For segments seriously affected by salt damage, a repair method that replaces part of the deteriorated segments with a new material to recover its durability is used. However, the effect of this method on the load-bearing capacity...
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Safety of Subway Structures in Proximity of New Construction of a High-Rise Building
Abstract: Underground spaces in the Tokyo Metropolitan area have dense clusters of infrastructure facilities such as subways, and their effects must be taken into account when a building is to be constructed. In addition, the ground in the Tokyo area consists of deposits of soft soils, which exert further remarkable effects. When a high-rise building is constructed in the proximity of an existing subway...
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