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Title:
CONNECTING BRIDGE
Document Type and Number:
Japanese Patent JP2002316851
Kind Code:
A
Abstract:

To provide a connecting bridge which exhibits extremely high strength even though it is free from a reinforcing material and prestress, and has high resistance to salt damage, and thereby exhibiting excellent durability and advantage in cost.

Thick-walled crossbeam parts 10 and thin-walled base plate parts 11 are integrally formed by using a cement-based curing material having a compression strength of ≥180 MPa and a 4-point bending strength of ≥30 MPa which is obtained by curing a mixture composed of cement, a fine aggregate having the maximum particle size of ≤2 mm, pozzolan-based reactive particles having an average particle size of ≤1 μm, metal fibers, quartz powder having an average particle size of 3 to 30 μm, fibrous or flaky reinforcing particles having an average particle size of ≤1 mm, a water reducing agent and water.


Inventors:
TSUJIKITA SATOSHI
KATAGIRI MAKOTO
MAEHORI SHINPEI
ONO TAKESHI
Application Number:
JP2001117042A
Publication Date:
October 31, 2002
Filing Date:
April 16, 2001
Export Citation:
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Assignee:
TOYO CONSTRUCTION
TAIHEIYO CEMENT CORP
International Classes:
E01D18/00; C04B28/02; E01D15/24; C04B111/20; C04B111/24; E01D101/00; (IPC1-7): C04B28/02; E01D18/00
Domestic Patent References:
JPH09500352A1997-01-14
JPH11303015A1999-11-02
JPH08144219A1996-06-04
JPH11130508A1999-05-18
JPH11246255A1999-09-14
JPH0237448B21990-08-24
JP2759755B21998-05-28
Attorney, Agent or Firm:
Nobuo Kaida (3 outside)