The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 1992
Filed:
Sep. 28, 1990
Akinori Tajiri, Hitachi, JP;
Tadao Suzuki, Kure, JP;
Kouichi Ushiroda, Hitachi, JP;
Hideyasu Furukawa, Hitachi, JP;
Yasuyoshi Shimazaki, Tokyo, JP;
Kenji Sekiguchi, Tokyo, JP;
Keiji Nakanishi, Tokyo, JP;
Masami Hosoda, Tokyo, JP;
Hitachi Ltd., Tokyo, JP;
Shimizu Construction Co., Ltd., Tokyo, JP;
Abstract
A method of constructing a top slab to provide a containment roof over a nuclear-power generating building, in particular, a method for utilizing overhead spaces bounded by a wall of the containment building and a shielding wall of the pressure vessel building, wherein the sequential steps involve; erecting a plurality of paired support columns on tops of the wall and of the shielding wall; building upper structural components across said paired support columns; installing a slab liner equipped with slab anchors beneath said lower structural components by suitable joining means; constucting a reinforcing network above said lower structural components; encasing said lower structural components and said reinforcing network; and pouring concrete over the slab liner to a suitable depth.