Title:
CONCRETE PAVEMENT SLAB AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2017101389
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a concrete pavement slab that has high strength, offers a fine structure of a cured body, and shows excellent wear resistance.SOLUTION: A concrete pavement slab comprises a cured body of a cement composition containing (A) cement, (B) silica fume, (C) inorganic powder, aggregate A with a maximum particle diameter of 1.2 mm or less, high-performance water-reducing agent, antifoaming agent, and water, with following properties and content percentages of (A) cement: 55-65 vol.%, (B) silica fume of with a BET specific surface of 15-25 m/g: 5-25 vol.%, (C) inorganic powder with a 50% volume cumulative particle diameter of 0.8-5 μm: 15-35 vol.% (where, the total content percentage of cement, silica fume, and inorganic powdery percentage content is 100 vol.%).SELECTED DRAWING: None
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Inventors:
TAKAHASHI HIDETAKA
Application Number:
JP2015232922A
Publication Date:
June 08, 2017
Filing Date:
November 30, 2015
Export Citation:
Assignee:
TAIHEIYO CEMENT CORP
International Classes:
E01C5/06; B28B11/24; C04B14/06; C04B14/38; C04B14/48; C04B18/14; C04B20/00; C04B22/06; C04B28/04; C04B40/02; E01C7/14; E01C9/00
Attorney, Agent or Firm:
Norihiko Arai
Naoyuki Koda
Naoyuki Koda
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