Title:
ROAD SURFACE CONSTRUCTION METHOD AND ROAD SURFACE STRUCTURE
Document Type and Number:
Japanese Patent JP2023171377
Kind Code:
A
Abstract:
To provide a road surface having durability against repeated traveling of a vehicle, stationary steering of a tire at the time of parking and traveling of a vehicle fitted with a chain at the time of snowfall, reduced in curing shrinkage and excellent in weather ability.SOLUTION: A road surface construction method includes: a waterproof layer forming step of forming, on a road surface base, a waterproof layer having waterproofness selected from the group consisting of an acrylic rubber coating film waterproof layer, an urethane rubber coating film waterproof layer, a vinyl chloride sheet waterproof layer, and a synthetic rubber sheet waterproof layer; and a protective layer forming step of forming a hard protective layer as an upper layer of the waterproof layer directly or via an adhesive layer by using an aqueous hard urethane-based cement material containing at least a polyol resin, an isocyanate resin, and hydraulic cement, wherein the ratio of an aliphatic isocyanate resin to the total isocyanate resin contained in the aqueous hard urethane cement material is 0.5 or more in an NCO equivalent ratio. The road surface structure comprises the waterproof layer and the hard protective layer.SELECTED DRAWING: None
Inventors:
KANEKO TOMOHIRO
NOGUCHI TADASHI
KURODA SATOSHI
KAWASHIMA YASUNOBU
OGAWA HIROMI
NOGUCHI TADASHI
KURODA SATOSHI
KAWASHIMA YASUNOBU
OGAWA HIROMI
Application Number:
JP2023147615A
Publication Date:
December 01, 2023
Filing Date:
September 12, 2023
Export Citation:
Assignee:
ATOMIX CO LTD
International Classes:
E01C7/12; C04B24/28; C04B28/02; C08G18/08; E01C7/30; E04F13/02; E04F15/12
Attorney, Agent or Firm:
Mitsuru Iwaike
Masashi Torino
Masashi Torino