Title:
METHOD OF FORTIFYING TOUGHNESS OF REINFORCED CONCRETE COLUMNAR STRUCTURE WITH USE OF CARBON FIBER
Document Type and Number:
WIPO Patent Application WO/2007/145277
Kind Code:
A1
Abstract:
A method of fortifying toughness that attains a toughness satisfying the new mandated
standards to withstand temblor while reducing the amount of reinforcing fiber
used as compared with the conventional amount, thus reducing the cost, by rendering
most appropriate the wrapping intervals of reinforcing material, and that even
in the event of occurrence of medium-scale earthquake, etc. after execution,
facilitates ascertainment of any introduction of cracking, etc. in the concrete.
Accordingly, reinforced concrete columnar structure (1) at its toughness
fortification zones from the superior and inferior ends to 2D (D means the height
of column section) is reinforced by wrapping carbon-fiber-containing reinforcing
material (2) around the same so that the wrapping intervals (P) from the ends of
the columnar structure is each 5 cm or greater, the intervals set so as to satisfy
the relationship P/D ≤ 1/3.
Inventors:
KOMAKI HIDEYUKI (JP)
FUKUDA YOSHIHIRO (JP)
NAKATA MASANORI (JP)
MORI YASUHIRO (JP)
KAKIO TORU (JP)
NAKASE SATOSHI (JP)
TAKEYAMA SUMINORI (JP)
SATO RYOICHI (JP)
FUKUDA YOSHIHIRO (JP)
NAKATA MASANORI (JP)
MORI YASUHIRO (JP)
KAKIO TORU (JP)
NAKASE SATOSHI (JP)
TAKEYAMA SUMINORI (JP)
SATO RYOICHI (JP)
Application Number:
PCT/JP2007/061990
Publication Date:
December 21, 2007
Filing Date:
June 14, 2007
Export Citation:
Assignee:
NIPPON OIL CORP (JP)
KOMAKI HIDEYUKI (JP)
FUKUDA YOSHIHIRO (JP)
NAKATA MASANORI (JP)
MORI YASUHIRO (JP)
KAKIO TORU (JP)
NAKASE SATOSHI (JP)
TAKEYAMA SUMINORI (JP)
SATO RYOICHI (JP)
KOMAKI HIDEYUKI (JP)
FUKUDA YOSHIHIRO (JP)
NAKATA MASANORI (JP)
MORI YASUHIRO (JP)
KAKIO TORU (JP)
NAKASE SATOSHI (JP)
TAKEYAMA SUMINORI (JP)
SATO RYOICHI (JP)
International Classes:
E04G23/02; E01D19/02; E01D22/00
Foreign References:
JP2006083612A | 2006-03-30 | |||
JPH11280268A | 1999-10-12 | |||
JPH04360944A | 1992-12-14 | |||
JPH06288099A | 1994-10-11 |
Attorney, Agent or Firm:
MIYAZAKI, Teruo et al. (16th Kowa Bldg. 9-2, Akasaka 1-chomeMinato-ku Tokyo 52, JP)
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