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JP2021138948A |
To provide an asphalt composition that can reduce the amount of generation of micro plastic, without impairing the durability of asphalt pavement.The present invention provides an asphalt composition obtained by blending asphalt and an a...
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JP6931113B2 |
Disclosed is a continuous and forced asphalt mixing production method, which relates to the technical field of concrete processing and includes the following steps of: heating a cold aggregate to obtain a hot aggregate, hot mixing and/or...
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JP2021123507A |
To provide a back-filling grout material having enhanced initial strength in 2 hour material age and having sufficient long-age strength, thereby having excellent durability to repeated loads.This invention relates to a highly durable ba...
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JPWO2020054168A1 |
To provide a technique for improving water resistance performance by suppressing peeling of asphalt. The asphalt composition of the present disclosure contains at least an asphalt base oil and a silane-containing coupling agent, and the ...
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JP6923752B2 |
Asphalt emulsions, methods of forming asphalt emulsions, and composite pavement structures formed from the asphalt emulsions are provided herein. In an embodiment, an asphalt emulsion includes a base asphalt component, water, and an oxid...
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JP2021113490A |
To provide a road paving machine that automatically controls a target layer thickness.A road paving machine 1 comprises a paving screed 11. The paving screed 11 comprises a tamper 21, and also comprises a GNSS receiver 13, a material con...
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JP6912951B2 |
To provide a polymer-modified asphalt composition that can improve the strength and durability of a road after pavement and also has workability improving effect.A polymer-modified asphalt composition contains, in wt.%, base asphalt: 93....
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JP2021107672A |
To provide an asphalt finisher having electric heating screed with good heat transfer efficiency.A screed plate of an asphalt finisher screed is heated by an electric heater to conduct heat with good heat transfer efficiency. The screed ...
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JP6904961B2 |
Foamed asphalt compositions, recycled asphalt compositions, asphalt pavement, and methods of forming asphalt pavement using the foamed asphalt compositions are provided herein. An exemplary foamed asphalt composition is in a cellular mat...
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JP6902820B2 |
To provide a method for strengthening water retentive pavement capable of strengthening the water retentive pavement without impairing the function of the water retentive pavement.A method for strengthening water retentive pavement inclu...
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JP6896770B2 |
The present invention relates to a bitumen composition comprising a petroleum slack wax and a Fischer-Tropsch wax, the use of the waxes in bitumen compositions, the use of the bitumen composition in asphalt compositions, asphalt composit...
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JP6893425B2 |
To provide a soil pavement material with rapid hardening and excellent resistance to frost damage, and excellent impact absorption properties.(1) A soil pavement material comprising a calcium aluminate, gypsum, rubber chips, and soil hav...
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JP2021515090A |
The processed crumb rubber asphalt additive may include multiple structural particles and a non-elastomeric liquid. At least a portion of the surface of the structural particles is coated with a non-elastomer liquid. The structural parti...
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JP6886756B2 |
To provide, for reinforcing a concrete structure with embedded reinforcing bars, a reinforcement material for civil engineering and construction having excellent fixing property inside the structure.Multiple protrusions 3 are formed by i...
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JP6883455B2 |
To provide a paving concrete having a water permeable property to which a function of fixing carbon dioxide in an atmosphere in an adsorptive manner is applied.An adsorption permeable concrete comprised of an adsorptive material and a po...
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JP6883840B2 |
To provide a manufacturing method for a bamboo fiber pavement material in which cracking and chipping do not occur.A manufacturing method includes: a crushing process (step 1) for crushing a bamboo such as Moso bamboo, Japanese bamboo, s...
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JP2021076005A |
To provide an asphalt composition, an asphalt mixture and a manufacturing method thereof, a pavement body, and a method for paving a road with an excellent rutting resistance on a paved surface after construction.An asphalt composition c...
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JP6875033B2 |
To provide a pavement material that is easy to apply with good deformation adjustment ability, fatigue resistance, and good adhesion to a substrate.Permeation type asphalt concrete contains the following ingredients by weight percentage:...
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JP6875096B2 |
To provide a concrete composition for pavement or the like, which is excellent in workability, development of initial strength, suppression of initial crack, and durability, and high in material separation resistance during construction....
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JP6871559B2 |
To provide a solar photovoltaic power generation panel, pavement structure, and wall surface structure that make it possible to achieve excellent power generation performance and traffic performance even in an actual use environment.A so...
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JP6870887B2 |
To provide an additive for reclaimed asphalt having only a slight environmental burden, high flash point, and high regeneration effect for deteriorated asphalt and deteriorated modified asphalt already subjected to regeneration treatment...
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JP6868437B2 |
To provide a method for shaving off a surface of a concrete skeleton without requiring a special device and efficiently without imposing a large burden on a worker.A plurality of first slits 3 parallel to each other and a plurality of se...
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JP6869769B2 |
To provide a method of determining appropriate timing to start rough surface finishing to a surface of a concrete pavement in a quantitative manner in the concrete pavement surface.A method of determining appropriate timing to start roug...
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JP2021071005A |
To provide a cable storage container and cable storage container installation method that can effectively prevent the subsidence of a paved road around a cable storage container buried in the paved road even when the upper part is expose...
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JP2021070996A |
To provide a lightweight concrete floor slab with expansion material and the like capable of improving durability and weight reduction at low cost.A road structure 3 includes a floor slab 31 and a pavement layer 35. The floor slab 31 is ...
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JP6866685B2 |
To improve strength of a roadbed material, while avoiding protrusion of a road surface by the expansion of the roadbed material, by restraining cost and labor low.In an estimation method of an allowable generation quantity of ettringite ...
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JP2021063221A |
To provide an asphalt composition that has excellent storage stability and that can prevent rutting on a paved surface after construction, an asphalt mixture, a method for producing the same, and a pavement and a road pavement method.An ...
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JP6864012B2 |
The present invention relates to an asphalt composition for road pavement, which is excellent in drying strength, strength after immersion in water, and strength after immersion in petroleum, a method for producing the same, and a road p...
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JP6857605B2 |
Described herein is a polymerized biorenewable, previously modified, or functionalized oil, comprising a polymeric distribution having about 2 to about 80 wt % oligomer content, a polydispersity index ranging from about 1.30 to about 2.2...
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JP2021050520A |
To provide a semiflexible pavement composition having high bending strength.The present invention relates to a semiflexible pavement composition in which the content of an expander is 6 to 29 kg with respect to a total of 1 m3 of the exp...
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JP6852855B2 |
The present invention relates to an asphalt composition for road pavement, which is excellent in drying strength, strength after immersion in water, and bending strength, a method for producing the same, and a road paving method. [1] An ...
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JP2021046760A |
To provide a floor slab waterproof structure, and a manufacturing method and materials used for the same that can be applied in a short time by essentially improving the adhesiveness between a resin coating film waterproof layer and an a...
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JP2021042650A |
To provide a method of effectively infiltrating a CA mortar or a fluid member into voids of a crushed stone or an aggregate layer installed on the underside of a natural stone pavement surface block.A cylinder 8 having openings at both e...
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JP6841546B2 |
To provide a floor slab pavement structure that achieves reinforcement of a floor slab without any change from the normal asphalt coating waterproof method and asphalt pavement construction method by rigidly adhering the floor slab of st...
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JP2021031927A |
To provide a water retentivity imparting agent for a porous pavement body that can easily realize a water retentive pavement having good water retentive performance and can remarkably suppress an increase in the pavement surface temperat...
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JP2021021314A |
To provide automatic supply and raking equipment of road surface work cement liquid.Automatic supply and raking equipment of a road surface work cement liquid of the present invention comprises a body and a support block placed under the...
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JP6830832B2 |
Provided herein is an asphalt binder composition, and more particularly, an amine-containing asphalt binder composition capable of improving mixability between an asphalt binder and an aggregate, and compactibility and water resistance o...
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JP2021014786A |
To provide a method for covering a steel plate deck with concrete, with which heat-expandable microcapsules do not expand even when water (warm water) with a temperature of 60°C or less permeates without heating with a heating device, a...
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JP6828042B2 |
Asphalt composition for road pavement, excellent in drying strength, strength after immersion in water, and strength after immersion in petroleum, method for producing same, and road paving method. Composition comprises asphalt, polyeste...
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JP6824331B2 |
To provide a method for covering a steel plate deck with concrete, with which heat-expandable microcapsules do not expand even when water (warm water) with a temperature of 60°C or less permeates without heating with a heating device, a...
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JP6824216B2 |
To provide a rebar material for concrete reinforcement which can reduce work load in comparison with before and be arranged efficiently, and to provide a rebar arrangement method using the same and a manufacturing method of the rebar mat...
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JP6823551B2 |
To provide a steel slag roadbed material that can keep low the hardening strength of a roadbed, and its construction method.The roadbed material is partially or wholly composed of steel slag and includes a hydration reaction inhibitor co...
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JP6823046B2 |
A modified asphalt composition comprises or is produced from asphalt and phosphorous acid. The composition optionally further comprises one or more of an ethylene copolymer that comprises copolymerized units derived from ethylene and an ...
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JP6814445B2 |
To provide a solar photovoltaic power generation panel, pavement structure, and wall surface structure that make it possible to achieve excellent power generation performance and traffic performance even in an actual use environment.A so...
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JP6810912B2 |
To provide a surface treatment method of a paving porous concrete, a manufacturing method of a surface-treated paving porous concrete, and a surface-treated paving porous concrete capable of efficiently suppressing the clogging of foreig...
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JP6811524B2 |
To provide a method for enabling a vehicular traffic hindrance, which is caused by a defect developed in a road surface by earthquakes and the like, to be temporarily eliminated without spending too much labor and time.An expansible resi...
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JP6811447B2 |
To provide an inexpensive parking area-greening structure that allows plants to be grown well and allows greening to be kept in a stable state for a long time.According to the present invention, there is provided a parking area-greening ...
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JP6811937B2 |
To provide an additive which suppress decrease in hardening at the temperature of releasing the road while having the effect of softening asphalt, and also prevents poor appearance such as whitening.An asphalt workability improvement age...
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JP6813935B1 |
To provide a pavement material and a method for producing a pavement material capable of shortening the curing time for curing the pavement material to a desired strength while ensuring the pot life of the pavement material. A material 1...
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JP2021001536A |
To provide a bridge floor slab replacement method capable of replacing an existing floor slab of a bridge with a new floor slab while realizing daytime traffic release.A replacement method includes: a first step of removing at least a pa...
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