Title:
PRECAST MEMBER
Document Type and Number:
Japanese Patent JP2023135028
Kind Code:
A
Abstract:
To obtain a large-sized precast member that has high strength and can be easily manufactured.SOLUTION: This precast member 1 is mainly composed of ultra-high performance fiber reinforced concrete (UFC), and includes an outer wall portion 10 having a substantially cylindrical outer surface and a substantially cylindrical inner surface concentric with the outer surface. The outer wall portion 10 is a thin portion 10A that is uniformly thin in the lower region R1 in the z direction, while the outer wall portion 10 is a thick portion 10B in the upper region R2 that is thicker toward the central axis C1 side. In addition, in the lower region R1, ribs 11A to 11F whose inner surfaces locally protrude toward the central axis C1 along the vertical direction are formed at equal intervals in the circumferential direction.SELECTED DRAWING: Figure 1
Inventors:
TAGUCHI TAKUMI
KAMIYAMA YUKIO
YAMASHITA SATOSHI
TANAKA TOSHITSUGU
MIKI TOMOHIRO
KAMIYAMA YUKIO
YAMASHITA SATOSHI
TANAKA TOSHITSUGU
MIKI TOMOHIRO
Application Number:
JP2022040031A
Publication Date:
September 28, 2023
Filing Date:
March 15, 2022
Export Citation:
Assignee:
NIPPON HUME CORP
UNIV KOBE
UNIV KOBE
International Classes:
E04C5/18; E02D5/30; E02D23/00; E04B1/32; E21D11/04
Attorney, Agent or Firm:
Shiroyuki Hori
Yukihiko Maeshima
Daiyu Murakami
Yukihiko Maeshima
Daiyu Murakami