A road surface construction device 1 to be used for applying a surface treatment mixture to a road surface includes: a body part 10 having a rectangular frame shape; and a brush part 40 provided in the body part 10. The body part 10 includes two first plate members 20a, 20b arranged along a first direction, and two second plate members 20c, 20d intersecting with the first plate members 20a, 20b and arranged along a second direction. The brush part 40 includes a plurality of linear members 41 and a holding part 42 for holding the linear members 41. The linear members 41 protrude from a lower end of the body part 10, and the brush part 40 includes first brush parts 40a, 40b provided on the first plate members 20a, 20b.
E01C 23/00 - Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
E01C 19/12 - Machines, tools, or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
Provided is a method for suppressing road surface freezing, the method comprising: a first step in which a freeze suppressing agent containing a metal salt compound of an organic acid is sprayed onto a road surface; and a second step in which a mortar containing a polymer emulsion, a solidifying material, and an aggregate is applied to the road surface to form a mortar layer.
Provided is a mobile device 1 for manufacturing a paving material containing a recycled subbase material, a solidification material, water, and an asphalt emulsion, the device comprising: a mixer 10; a conveyor 20 for supplying the recycled subbase material to the mixer 10; a hopper 30 for storing the solidification material supplied to the mixer 10; an emulsion addition device 40 for supplying the asphalt emulsion to the mixer 10; a water addition device 50 for supplying water to the mixer 10; and a moving device 60.
E01C 19/02 - Machines, tools, or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
C04B 18/167 - Recycled materials, i.e. waste materials reused in the production of the same materials
C04B 26/26 - Bituminous materials, e.g. tar, pitch
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
4.
ASPHALT COMPOSITION FOR REPAIRING ASPHALT PAVEMENT
Provided is an asphalt composition for repairing asphalt pavement. The asphalt composition contains asphalt and a lubricative solidification material. The lubricative solidification material contains: a tall oil fatty acid and/or a tall oil fatty acid ester; and a branched-chain saturated fatty acid having 6-30 carbon atoms.
C08L 9/00 - Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
C08L 91/00 - Compositions of oils, fats or waxesCompositions of derivatives thereof
E01C 7/26 - Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
Provided is a method for repairing an asphalt pavement, the method including: a spreading step for spreading an aggregate 20 on a floor slab 1; a mixing step for adding and mixing an alkaline additive to a binder including asphalt and a lubricating/solidifying material to obtain a binder mixture 30; a filling step for pouring the binder mixture 30 into a place in which the aggregate 20 has been spread; and a curing step for curing the aggregate 20 and the binder mixture 30 to obtain a pavement.
In an asphalt plant 100 for manufacturing an asphalt mixture M by mixing an aggregate and asphalt by a mixer 80, a component information deduction system 1 for deducing information regarding components of the asphalt mixture M is provided with: an imaging device 2 that images the asphalt mixture M in the mixer 80; an image analysis unit 3 that analyzes a captured image G1 taken by the imaging device 2; and a calculation unit 4 that deduces, on the basis of the result of analysis by the image analysis unit 3, the aggregate granularity of the aggregate included in the asphalt mixture M and the percentage content of the asphalt included in the asphalt mixture M.
E01C 19/02 - Machines, tools, or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
7.
ASPHALT MIXTURE AGGREGATE SUPPLY AMOUNT OPTIMIZATION SYSTEM AND AGGREGATE SUPPLY AMOUNT OPTIMIZATION METHOD
An aggregate supply amount optimization system 80 is provided with: a first image analysis processing device 83 which subjects new aggregate A image data to an image analysis process and measures a pre-mixture new aggregate granularity Hkj for each of storage bins 15a-15e; and a first computation device 86a which calculates a total aggregate granularity Yj for an asphalt mixture on the basis of the pre-mixture new aggregate granularity Hkj and a new aggregate supply amount Gk. The first computation device 86a calculates a new aggregate optimum supply amount Gkx by correcting the new aggregate supply amount Gk for each of the storage bins 15a-15e such that the total aggregate granularity Yj falls within an optimum granularity range.
G01N 15/02 - Investigating particle size or size distribution
E01C 19/02 - Machines, tools, or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
G01N 21/27 - ColourSpectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection
8.
USED ASPHALT QUANTITY ESTIMATING SYSTEM, ASPHALT PLANT, AND USED ASPHALT QUANTITY ESTIMATING METHOD
In an asphalt plant 100 for producing an asphalt mixture by using a mixer 7 to mix an aggregate containing recycled aggregate with new asphalt, a used asphalt quantity estimating system 15 is provided with: image capturing devices 9a, 9b, 9c for capturing images of the recycled aggregate R; an image analyzing unit 11 for performing image analysis processing of image data captured by the image capturing devices 91, 9b, 9c; and a used asphalt quantity estimating unit 12 for estimating the quantity of used asphalt contained in the recycled aggregate R, on the basis of the result of the image analysis processing performed by the image analyzing unit 11.
E01C 19/10 - Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resinsApparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
Provided is an asphalt mixture obtained by mixing an aggregate, asphalt, a lubricative solidification material, and an alkaline additive material, the asphalt mixture being characterized in that the lubricative solidification material contains, at a proportion of 10-100 wt%, a branched chain saturated fatty acid having 6-30 carbon atoms.
E01C 7/26 - Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
Provided is an asphalt mixture which is obtained by mixing an aggregate, an asphalt, a lubricative solidifying material and an alkaline additive, and which is characterized in that the lubricative solidifying material contains a saturated fatty acid having 6-30 carbon atoms at a ratio of 50-100% by weight. The present invention is able to provide an asphalt mixture which is capable of developing strength in a relatively short time after installation, and which is capable of providing a pavement that has high strength, excellent rut resistance and excellent bending properties.
E01C 7/26 - Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
C08K 3/00 - Use of inorganic substances as compounding ingredients
An asphalt mixture is provided which comprises an aggregate, an asphalt, a lubricative solidification material and an alkaline additive material that are mixed together. The lubricative solidification material contains an oleic acid at a ratio of 67 to 85 wt %.
An asphalt mixture is provided which comprises an aggregate, an asphalt, a lubricative solidification material and an alkaline additive material that are mixed together. The lubricative solidification material contains a palmitic acid at a ratio of 1 to 15 wt %, a stearic acid at a ratio of 0.3 to 10 wt %, an oleic acid at a ratio of 39 to 59 wt %, a linoleic acid at a ratio of 20 to 48 wt %, and a linolenic acid at a ratio of 1 to 15 wt %.
Provided is a production method of a recycled hot asphalt mixture obtained by mixing a recycled aggregate, a new aggregate, asphalt, and an additive for recycle, comprising: heating the additive for recycle; adding moisture to the heated additive for recycle and mixing thereof so as to make the additive for recycle be formed; and adding the additive for recycle in a foamed state to the recycled aggregate, the new aggregate, and the asphalt and mixing thereof.
Provided is a hot asphalt mixture for normal temperature installation, which is obtained by mixing aggregate, asphalt, a lubricative solidifying material and an alkaline additive, and which is characterized in that the lubricative solidifying material contains a fatty acid and a resin acid at a (fatty acid):(resin acid) weight ratio of from 99.5:0.5 to 80:20.
E01C 7/18 - Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
E01C 19/10 - Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resinsApparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
Provided is a method for manufacturing a recycled hot mix asphalt, which is formed by mixing a recycled aggregate, a new aggregate, asphalt, and a recycling additive, said method being characterised by: heating the recycling additive; foaming the recycling additive by adding and mixing water into the heated recycling additive; and adding the foamed recycling additive to the recycled aggregate, the novel aggregate, and the asphalt, and mixing.
An asphalt mixture which is obtained by mixing asphalt, an aggregate, an oil or fat component and/or a fatty acid, and an alkaline additive. The asphalt mixture can be applied even at ordinary temperatures by virtue of low viscosity of the oil or fat component and/or the fatty acid. In applying the asphalt mixture, a cure accelerator is fed to the asphalt mixture, whereby the alkaline matter contained in the asphalt mixture causes ionic dissociation and thus saponifies the oil or fat component or the fatty acid to achieve a high strength in the early stage.
E01C 7/26 - Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
patents
