Title:
FIRE-RESISTANT COATING STRUCTURE OF DUCT PENETRATION PART OF STEEL BEAM
Document Type and Number:
Japanese Patent JP2013028982
Kind Code:
A
Abstract:
To provide a fire-resistant coating structure of a duct penetration part of a steel beam capable of reducing the size of the inner diameter in a duct penetration hole formed in a steel beam.
In a fire-resistant coating structure 1A of a duct penetration part of a steel beam in which a duct having a fireproof covering material 2 wound around the outer peripheral surface 3a is inserted in a duct penetration hole 6 formed in a web 5 of a steel beam 4, the thickness dimension of a part of the fireproof covering material 2 which is at least arranged between the inner peripheral surface 6a of the duct penetration hole 6 and the outer peripheral surface 3a of the duct 3 is smaller than the thickness dimensions of the other parts.
Inventors:
YAMAZAKI MASATSUGU
MATSUMOTO EIICHIRO
KONDO SHIRO
SHIMIZU HARUHIRO
YAMAWAKI SHINPEI
MATSUMOTO EIICHIRO
KONDO SHIRO
SHIMIZU HARUHIRO
YAMAWAKI SHINPEI
Application Number:
JP2011166555A
Publication Date:
February 07, 2013
Filing Date:
July 29, 2011
Export Citation:
Assignee:
SHIMIZU CONSTRUCTION CO LTD
NICHIAS CORP
NICHIAS CORP
International Classes:
E04B1/94
Domestic Patent References:
| JPS5710692Y2 | 1982-03-02 | |||
| JP2011052448A | 2011-03-17 | |||
| JPH05306554A | 1993-11-19 |
Foreign References:
| WO2010067637A1 | 2010-06-17 |
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Yoshifumi Saeki
Tadashi Takahashi
Takashi Watanabe
Yoshifumi Saeki