Reactor-containment vessel and its building method

Abstract

A nuclear reactor-containment vessel made of reinforced concrete for containing the nuclear reactor pressure container is accommodated into a reactor building. A cylindrical part liner is assembled in advance at outside of the building, a reinforcing bars portion comprises inner reinforcing bars components and disposed at periphery of a sleeve barrel, the inner reinforcing bars components is assembled at outside of the building to hoist the sleeve barrel and the components into the building and install on the foundation portion thereof, the reinforcing bars portion has outer reinforcing bars components disposed on the periphery side of the inner reinforcing bars components, a cylinder concrete wall forms on the inner and outer reinforcing bars components by pouring concrete.

Description

[0001] This application is a divisional application of Chinese patent application No. 99108108.0. technical field [0002] The invention relates to the construction technology of atomic reactor buildings built in atomic power plants, in particular to placing nuclear reactor sealed casings in nuclear reactor buildings, which are nuclear reactor sealed casings made of reinforced concrete and a construction method thereof. Background technique [0003] In an atomic power plant the nuclear reactor containment enclosure is placed inside the nuclear reactor building. The sealed casing of the nuclear reactor is constructed of reinforced concrete, and a concrete frame with inner reinforcement and outer reinforcement is arranged on the outer side of the cylindrical steel sleeve. For example, the construction of the sealed shell of the nuclear reactor in the improved boiling water atomic power plant (hereinafter referred to as the ABWR atomic power plant) is a key process in the const...

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Problems solved by technology

[0029] Furthermore, since the through-piece 18 and the hole 19 installed on the steel sleeve 10 of RCCV2 in the past are temporarily supported from the steel sleeve 10 with a temporary inclined rod 20, etc., the RCCV sleeve 10 is hoisted into At the stage of the reinforcement operation of RCCV reinforcement 11 and 12, the components that affect the reinforcement operation need to be refitted, so the RCCV reinforcement operation is complicated.

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