Abstract: The present invention sufficiently heats a repairing material while preventing change in quality of a base material provided with the repairing material so as to securely bond the repairing material to a repair target portion. The repair method of the present invention, in order to repair a repair target portion 14 existing in an outer panel 1, includes: a repairing material disposing step of disposing a repairing patch 21 including a resistance heating element 23 and a carbon fiber reinforced resin, and an adhesive 22A including a thermosetting resin before being hardened for bonding the repairing patch 21 on the repair target portion 14; and a heating-hardening step of heating and hardening the thermosetting resin of the adhesive 22A by causing the resistance heating element 23 to generate heat through supply of electricity thereto.

Abstract: The accessory attachment structure for attaching an accessory to a steel plate-reinforced concrete structure, the steel plate-reinforced concrete structure being provided with a steel plate frame, bars fixedly installed on an inner face of an outside steel plate, and concrete, the accessory attachment structure includes an attachment plate in which one face thereof is attached to the outside steel plate and the accessory is attached to the other face thereof. The size of the other face of the attachment plate is larger than that of a whole attachment face to be attached to the attachment plate of the accessory, the size if the one face is equal to or greater than the other face, and the length of the attachment plate in any direction along the one face of the attachment plate is at least two times greater than a mutual interval between the bars.

Abstract: The present invention sufficiently heats a repairing material while preventing change in quality of a base material provided with the repairing material so as to securely bond the repairing material to a repair target portion. The repair method of the present invention, in order to repair a repair target portion 14 existing in an outer panel 1, includes: a repairing material disposing step of disposing a repairing patch 21 including a resistance heating element 23 and a carbon fiber reinforced resin, and an adhesive 22A including a thermosetting resin before being hardened for bonding the repairing patch 21 on the repair target portion 14; and a heating-hardening step of heating and hardening the thermosetting resin of the adhesive 22A by causing the resistance heating element 23 to generate heat through supply of electricity thereto.

Abstract: The present invention sufficiently heats a repairing material while preventing change in quality of a base material provided with the repairing material so as to securely bond the repairing material to a repair target portion. The repair method of the present invention, in order to repair a repair target portion 14 existing in an outer panel 1, includes: a repairing material disposing step of disposing a repairing patch 21 including a resistance heating element 23 and a carbon fiber reinforced resin, and an adhesive 22A including a thermosetting resin before being hardened for bonding the repairing patch 21 on the repair target portion 14; and a heating-hardening step of heating and hardening the thermosetting resin of the adhesive 22A by causing the resistance heating element 23 to generate heat through supply of electricity thereto.

Abstract: The present invention sufficiently heats a repairing material while preventing change in quality of a base material provided with the repairing material so as to securely bond the repairing material to a repair target portion. The repair method of the present invention, in order to repair a repair target portion 14 existing in an outer panel 1, includes a repairing material disposing step of disposing a repairing patch 20 and an adhesive 21A to the repair target portion 14; and a heating-hardening step of heating and hardening the adhesive 21A by irradiating it with electromagnetic waves.

Abstract: A nuclear reactor vessel structure includes an inner peripheral tube-shaped steel plate, an outer peripheral tube-shaped steel plate, and an intermediate tube-shaped steel plate disposed between the inner and outer peripheral tube-shaped steel plates, and is configured to support a nuclear reactor vessel on the inner peripheral side of a tube-shaped structure with concrete placed between the steel plates. The nuclear reactor vessel structure includes a support having a tube-shaped plate disposed on the inner peripheral side of the intermediate tube-shaped steel plate, and an annular plate which protrudes to the inner peripheral side of the tube-shaped plate and to which a connection section is affixed. The support is affixed to the concrete, which is placed between the inner peripheral and the intermediate tube-shaped steel plates, by first bar members, and the support is also affixed to the inner peripheral tube-shaped steel plate by second bar members.

Abstract: An electroconductive particle having a core particle and a tin oxide-containing coating layer on the core particle. The tin oxide of the coating layer has a crystallite size of 70 to 200 ?. The electroconductive particle preferably has a ratio of R3 to R1 of 1 to 250, wherein R1 and R3 are respective surface resistivities of electroconductive films formed of a coating composition containing the electroconductive particle and prepared by 1-hour dispersing and 3-hour dispersing, respectively. The coating layer preferably comprises dopant element-free, electroconductive tin oxide.

Abstract: An electroconductive particle is composed of a core particle and tin oxide containing at least one element whose valence is equal to or smaller than four and located on the surface of the core particle. The tin oxide containing at least one element whose valence is equal to or smaller than four has a crystallite size of 5 to 20 nm. The element whose valence is equal to or smaller than four is preferably an element of the group 1 of the Periodic Table, an element of the group 2 of the Periodic Table, an element of the group 4 of the Periodic Table, an element of the group 12 of the Periodic Table, or an element of the group 13 of the Periodic Table. The content of the element whose valence is equal to or smaller than four is preferably 0.045 mol % to 20 mol % relative to tin.

Abstract: The present invention sufficiently heats a repairing material while preventing change in quality of a base material provided with the repairing material so as to securely bond the repairing material to a repair target portion. The repair method of the present invention, in order to repair a repair target portion 14 existing in an outer panel 1, includes a repairing material disposing step of disposing a repairing patch 20 and an adhesive 21A to the repair target portion 14; and a heating-hardening step of heating and hardening the adhesive 21A by irradiating it with electromagnetic waves.

Abstract: The present invention sufficiently heats a repairing material while preventing change in quality of a base material provided with the repairing material so as to securely bond the repairing material to a repair target portion. The repair method of the present invention, in order to repair a repair target portion 14 existing in an outer panel 1, includes: a repairing material disposing step of disposing a repairing patch 21 including a resistance heating element 23 and a carbon fiber reinforced resin, and an adhesive 22A including a thermosetting resin before being hardened for bonding the repairing patch 21 on the repair target portion 14; and a heating-hardening step of heating and hardening the thermosetting resin of the adhesive 22A by causing the resistance heating element 23 to generate heat through supply of electricity thereto.

Abstract: An electroconductive particle having a core particle and a tin oxide-containing coating layer on the core particle. The tin oxide of the coating layer has a crystallite size of 70 to 200 ?. The electroconductive particle preferably has a ratio of R3 to R1 of 1 to 250, wherein R1 and R3 are respective surface resistivities of electroconductive films formed of a coating composition containing the electroconductive particle and prepared by 1-hour dispersing and 3-hour dispersing, respectively. The coating layer preferably comprises dopant element-free, electroconductive tin oxide.

Abstract: A nuclear reactor vessel structure includes an inner peripheral tube-shaped steel plate, an outer peripheral tube-shaped steel plate, and an intermediate tube-shaped steel plate disposed between the inner and outer peripheral tube-shaped steel plates, and is configured to support a nuclear reactor vessel on the inner peripheral side of a tube-shaped structure with concrete placed between the steel plates. The nuclear reactor vessel structure includes a support having a tube-shaped plate disposed on the inner peripheral side of the intermediate tube-shaped steel plate, and an annular plate which protrudes to the inner peripheral side of the tube-shaped plate and to which a connection section is affixed. The support is affixed to the concrete, which is placed between the inner peripheral and the intermediate tube-shaped steel plates, by first bar members, and the support is also affixed to the inner peripheral tube-shaped steel plate by second bar members.

Abstract: Provided is duct equipment including a duct body, a heat insulating material, a external cover, a fiber-reinforced sheet, and fiber-reinforced moldings. The duct body includes a duct wall, a duct passage defined by the duct wall, and duct corners formed in the duct wall when viewed in a cross-section in a direction intersecting a direction in which the duct passage extends. The heat insulating material is installed on an outer circumference of the duct body. The external cover includes a external cover wall installed on an outer circumference of the heat insulating material, and external cover corners formed alone the duct corners. The fiber-reinforced sheet is disposed on the outer circumference of the duct body via an adhesive layer. The fiber-reinforced moldings are disposed adjacent to the fiber-reinforced sheet along the external cover corners via adhesive layers, and have a substantially L-shape when viewed in the cross-section.

Abstract: A metallic member forming method capable of achieving both formability of a metallic member and highly strengthening same. Cylindrical metallic member 1 having a hollow space 10 and forming die 3 having a forming face 31 are used. Metallic member 1 is heated up to a temperature range capable of quench-reinforcing (e.g., not less than A1 transformation point). By increasing internal pressure of gas contained in the hollow space 10 of the metallic member 1 a wall 1a of the metallic member 1 is bulged and/or deformed, and the bulged, deformed wall 1a of the metallic member 1 is deformed by bringing it into intimate contact with the forming face 31 of the forming die concurrently with quench-reinforcing it. High strengthening of the metallic member 1 is achieved.