ASPHALT STRUCTURAL MATERIAL AND METHOD FOR APPLYING THE SAME TO STRUCTURE

Title:

ASPHALT STRUCTURAL MATERIAL AND METHOD FOR APPLYING THE SAME TO STRUCTURE

Document Type and Number:

Japanese Patent JP3771999

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To obtain an asphalt structural material which is usefully applied to especially a rail road ballast to effectively prevent its subsidence by mixing heated asphalt under agitation with a small-diameter member made of an ore, glass, a fiber such as of a synthetic resin or/and a visoelastic material.
SOLUTION: Asphalt heated to a viscosity at which it is mixable is mixed under agitation with a small-diameter member having specified strength, specified heat resistance and specified dispersibility to form a mixture. This mixture is made more flowable by heating and poured into a railroad ballast on which an aggregate is laid to fill the gaps of aggregate components and cured. The small-diameter used is a fibrous or particulate one made of a metal, a ceramics, an ore, carbon, glass, a synthetic fiber or an animal or vegetable material. This material may further contain a suitable combination of a flow improver with a viscoelasticity improver.

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Inventors:

Hanzaka Sekinori
Naoto Mifune
Noriharu Nagato
Emoto Manabu
Katsutoshi Ando
Koji Nagahashi
Kimi Kajiya
Kiyoshi Nagahashi

Application Number:

JP20375897A

Publication Date:

May 10, 2006

Filing Date:

July 14, 1997

Export Citation:

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Assignee:

Railway Technical Research Institute
Toyo Road Co., Ltd.

International Classes:

E01B27/02; E01C7/34; C08K7/04; C08L95/00; (IPC1-7): C08L95/00; C08K7/04; E01B27/02

Domestic Patent References:

JP6073294A
JP8113715A
JP8120181A
JP7109417A
JP6041440A
JP4370153A
JP8157553A
JP7228783A
JP59078259A
JP7126443A
JP5262888A
JP5262887A
JP1503467A
JP4033963A
JP51037115A
JP5112724A
JP54024930A
JP4222872A
JP8092909A
JP285405A
JP3295905A
JP6183812A

Attorney, Agent or Firm:

Yoichi Okawa

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