Title:
セメント組成物
Document Type and Number:
Japanese Patent JP7338163
Kind Code:
B2
Abstract:
To improve fire resistance efficiency while ensuring ease of work.SOLUTION: A cement composition includes cement, water, a fine aggregate, a coarse aggregate, a solid organic fiber and an inorganic fiber. The organic fiber has a fiber length of 2-4 mm and a fiber diameter of 15-50 μm, and a mixing amount thereof is 0.5-3.5 kg/m.SELECTED DRAWING: Figure 7
Inventors:
Risa Yoshida
Kamishiro Taido
Kamishiro Taido
Application Number:
JP2019030536A
Publication Date:
September 05, 2023
Filing Date:
February 22, 2019
Export Citation:
Assignee:
Obayashi Corporation
International Classes:
C04B14/48; C04B28/02; C04B16/06
Domestic Patent References:
| JP2014141370A | ||||
| JP60086065A | ||||
| JP2007186372A | ||||
| JP2003306366A |
Other References:
ひび割れを自己治癒させるコンクリート用強化繊維「マーキュリーC」の販売について,大和紡績株式会社,2014年09月26日,全2頁,http://www.daiwabo-holdings.com/business/fiber/news/news9169879752026702439/main/01/teaserItems1/0/linklist/0/link/file449897999.pdf
16節 高流動コンクリート,建築工事標準仕様書・同解説 JASS5 鉄筋コンクリート工事2009 ,日本建築学会,450頁
16節 高流動コンクリート,建築工事標準仕様書・同解説 JASS5 鉄筋コンクリート工事2009 ,日本建築学会,450頁
Attorney, Agent or Firm:
Patent Attorney Corporation Isshiki International Patent Office