Title:
舗装用コンクリート
Document Type and Number:
Japanese Patent JP5578678
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide paving concrete which may highly exhibit long-term strength as well as initial strength and has a long life, and by which traffic may be restored extremely early after the start of paving work.SOLUTION: Paving concrete is obtained by curing a concrete composition at least comprising a pozzolanic fine powder with a BET specific surface area of 15 to 25 m/g, a blast furnace slag powder with a Blaine specific surface area of 5000 to 12000 cm/g, anhydrous gypsum with a Blaine specific surface area of 3000 to 12000 cm/g, and a binder including cement, and the paving concrete has bending strength of 3.5 N/mmor more at an age of 1 day.
Inventors:
Masao Ishida
Nobuto Ueda
Tomoya Okano
Yukitoshi Isaka
Satoshi Kajio
Nobuto Ueda
Tomoya Okano
Yukitoshi Isaka
Satoshi Kajio
Application Number:
JP2011048789A
Publication Date:
August 27, 2014
Filing Date:
March 07, 2011
Export Citation:
Assignee:
Taiheiyo Cement Corp.
International Classes:
E01C7/14; C04B18/14; C04B22/14; C04B28/02
Attorney, Agent or Firm:
Yasuhisa Mihara