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JP6921401B2 |
To provide a snow-melting system capable of suppressing initial cost and having excellent heat efficiency.A snow-melting system 10 comprises a circulation pipe line 17 passing through a first pipe 11 constituting a heat exchanging mechan...
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JP6918275B2 |
To provide a boundary block between a sidewalk and a roadway capable of reducing clearance generated between opposed surfaces when disposing a plurality of the boundary blocks between the sidewalk and the roadway in a curve section of a ...
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JP2021113408A |
To provide a road surface anti-freezing system capable of efficiently and stably supplying heat energy to a road surface.A road surface anti-freezing system 1 that is buried in a roadbed 11 and supplies heat energy to a road surface 11A ...
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JP6913328B1 |
To provide a method for constructing a gutter of a road deck having high durability capable of preventing the infiltration of rainwater. A step of fixing a gutter burial frame 50 made by a precast method to a deck construction space and ...
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JP6914682B2 |
To provide a further improved function of countermeasure for mainly a laying block against hot weather in summer.The present invention relates to a dual structure block 3. The laying block 3 is molded in two layers, i.e., a base layer 1 ...
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JP2021110205A |
To provide a tool for turning over that does not require a heavy machine or a power source, has no restrictions on a place of use, and can reduce burden on an operator.The tool for turning over comprises a pair of levers, a first connect...
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JP2021110168A |
To provide a sidewalk-roadway boundary block that allows a cable tie to be wound around a plurality of wire cables when the wire cables are mounted on the upper surface of a foundation without lifting them from the upper surface of the f...
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JP2021110127A |
To provide a sidewalk-roadway boundary block in which the width from a road side edge of a curb to a sidewalk side edge of a guard fence is minimized when the guard fence is erected on the sidewalk side of the curb extending along the si...
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JP2021110169A |
To provide a sidewalk-roadway boundary block that can secure a sufficient weight of a foundation after installation of the sidewalk-roadway boundary block and weight reduction of parts handled at the time of installation and construction...
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JP6908323B2 |
To provide an anchor bolt and a bridge expansion device capable of reducing the total height of the bridge expansion device.An anchor bolt 18A, which is used in a bridge expansion device 10 comprising a rubber body 12 and steel plates 14...
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JP2021102888A |
To provide a pedestrian road boundary block 1 that includes a foundation part 2 on which electric wire cables 4 are placed on the upper face thereof and a curb part 3 of generally U shape with the lower side open in the cross section pla...
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JP2021102882A |
To provide a structure that allows rainwater on a roadway side to flow across a curb to a sidewalk side when a drainage channel or drainage ditch for rainwater is provided separated from a sidewalk-roadway boundary block for reasons such...
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JP2021102884A |
To provide a configuration that ensures, in a sidewalk-roadway boundary block including a foundation arranged in a groove formed below a ground and a curb part placed on the foundation and protruding above the ground, sufficient weight o...
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JP2021102883A |
To provide a configuration for preventing water from staying near the lower edge of a curb when an apron is installed on a road side of the curb in a sidewalk-roadway boundary block including a curb part protruding upward from a pavement...
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JP2021102887A |
To provide a pedestrian road boundary block 1 that includes a foundation part 2 where an electric wire cable 4 is placed on the top and a curb part 3 that has a generally U shape with a lower part opened in the cross section placed on th...
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JP2021102885A |
To make the width from the edge of a curb on a road side to the edge of a guard fence on a sidewalk side as small as possible when a guard fence is erected on the sidewalk side along the curb in a sidewalk-roadway boundary block 1 includ...
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JP2021102886A |
To provide a pedestrian road boundary block 1, in which an electric wire cable 4 is placed on the upper surface of a foundation portion 2 and a curb portion 3 is arranged on the upper surface of the foundation portion so as to cover the ...
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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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JP6901653B2 |
To provide a sidewalk-roadway boundary block capable of increasing drainage efficiency even when a drainage hole part does not increase in size.A sidewalk-roadway boundary block includes a boundary part 12 that is arranged between a side...
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JP6899551B2 |
To provide a repair method for repairing a joint part instead of removing and replacing most of the joint part.A repair method includes: a cut-off material removal step 100 for removing an existing cut-off material 11 from a groove-shape...
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JP6896105B2 |
The present invention provides a curb for measuring the flood depth in an urban area, more particularly, to a curb for measuring the flood depth in an urban area, which is configured to demarcate the boundary between a vehicular roadway ...
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JP2021095822A |
To provide a floor slab waterproof structure having excellent floor slab adhesiveness, and capable of adjusting unevenness, and being constructed in a short time.A floor slab waterproof structure has a primer composition curing layer and...
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JP2021095823A |
To provide a snow melting block that excels in safety and can prevent vehicles from slipping, reduce the risk of pedestrians slipping and falling, and ensure safe passage for vehicles and pedestrians even during rainfall or watering.Conc...
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JP6893855B2 |
To provide a construction method for a cast-in-place water-retentive pavement capable of being constructed with little labor in a short time.A method for constructing the cast-in-place water retentive pavement comprises the steps of: (A)...
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JP2021093853A |
To provide an edge stone that can reduce cable installation cost.An edge stone includes an edge stone lower part which is either plate-shaped or substantially rectangular in cross section, and an edge stone upper part which is either sub...
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JP6883416B2 |
To allow expansion and contraction to occur evenly in an embedded range and to greatly ease the reflection to a pavement part from a floor slab expansion gap part in an embedded joint for a bridge.An asphalt layer 11, 12, ... capable of ...
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JP6879553B2 |
To provide a snow melting system installed in a ground surface, road, side drain, and the like, capable of melting snow, ice, and the like.The snow melting system comprises a heating member composed of a planar heating part, a protective...
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JP6872674B1 |
To provide a ground covering widening unit capable of installing a protective fence or the like while reducing a dead load acting on a base of an overhanging floor slab of a bridge. A ground covering widening unit 1 has an upper surface ...
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JP6863631B1 |
To suppress the complexity associated with the actual size work of a bridge expansion / contraction device. A full-scale work support system 1 using a full-scale work support program has a main body device 10. Member information indicati...
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JP6862740B2 |
To provide a pavement structure encasing an underground buried material capable of having a structure with a thinner thickness while ensuring pavement performance.A pavement structure comprising a base course overlaid on a road bed, an u...
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JP2021059940A |
To provide a heat exchange panel unit and heat exchange panel unit installation method that can improve transportability, installation workability, and the like, due to a relatively lightweight overall structure.A heat exchange panel uni...
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JP6857540B2 |
To improve the design of expansion joint structures with respect to its environment.The expansion joint structure includes: a protruding part which protrudes from a base-isolated structure toward an outer groove foundation to straddle a ...
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JP2021055531A |
To propose a floor slab joint structure that enables labor saving during construction and shortens a construction period.A floor slab joint structure 1 in which reinforcing bars 3 protruding from each of end surfaces 23 of adjacent reinf...
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JP6854624B2 |
To provide a water retentive block having improved water absorption performance and ensuring to have adequate water absorption performance.The present invention provides the water retentive block in which 90% or more of the cavities stor...
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JP6855120B2 |
To prevent degradation of concrete, in a drainage ditch unit comprising a water passage portion installed on a road shoulder, and a cover portion installed to cover the water passage, in which a side wall at a wall balustrade side of the...
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JP6856445B2 |
To provide a concrete slab capable of exerting various functions of longitudinal grooves, for example, slip inhibition, drainage, sound insulation.The concrete pavement slab has a flat plate shape. On the surface of the concrete pavement...
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JP6852866B2 |
To provide an attachment auxiliary implement which can accurately adjust a length of a clearance between joints, and a telescopic device.An attachment auxiliary implement 20 for a telescopic device 10 arranged at a girder end part of a b...
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JP2021042520A |
To provide a snow-melting device and a snow-melting method with which snow accumulated on the snow melting device is efficiently melted, and melted water does not pool on the snow melting device.A snow-melting device includes a base 100 ...
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JP6842143B1 |
To provide an expansion joint capable of performing repair (particularly replacement of an expansion / contraction member 23) at low cost and easily, and reducing the burden on a floor slab, and a method of installing the expansion joint...
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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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JP6836031B2 |
To provide a water cutoff structure to be installed in an expansion spacing of bridge girders or bridge girders of an elevated road which can be easily constructed and surely prevents rainwater from dropping, without aging deterioration....
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JP2021025241A |
To provide a precast slab and its connection structure and connection method capable of starting road operation without waiting for concrete to be filled in a space to be hardened, while omitting the laying and removal of temporary slabs...
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JP3230749U |
To provide a ground-shaped concrete block having a function of reducing the weight and further stacking the ground-shaped concrete blocks. The thickness b is 10 cm, the height c is any of 10 cm, 12 cm, 15 cm, and 19 cm, and the length a ...
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JP6830641B2 |
To provide a boundary block between a roadway and a sidewalk that enhances drainage efficiency on the sidewalk side and the roadway side and improves durability and workability.A boundary block between a roadway and a sidewalk includes a...
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JP6831811B2 |
To provide a construction method for water cut-off material of expansion gap for wheel guard and wall balustrade which takes short working time, is suitable for emergency work, and can reduce costs while ensuring durability.A constructio...
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JP2021011777A |
To provide a road structure in which a pavement can be continuously laid from a bridge girder to the banking, and in which the continuous pavement has excellent durability.An extended floor slab 4 is extended from a girder end upper part...
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JP2021011778A |
To provide a road structure in which a continuous pavement can be laid from a bridge girder to the banking and the continuous pavement has excellent durability.An extended floor slab 4 is extended from a girder end upper part of a bridge...
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JP6823901B2 |
To provide an inner mold that may be installed to suit a distance between side gutters and an installation angle, in a way of fitting to an actual construction situation at a site, and furthermore significantly curtails a construction pe...
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JP6821284B1 |
To provide a road surface covering sheet capable of easily performing an inspection after installation. The road surface covering sheet 1 has a laminated body 2 in which three layers are laminated, and an adhesive layer 3 provided on one...
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JP6822726B2 |
To provide a mounting aid that dispenses with processing of a top surface of a surface part after installation, and an expansion device.A mounting aid 30A for an expansion device 10 comprises a pair of joints 12 that are provided at a gi...
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