18 results about "Dirt road" patented technology

The invention discloses a geogrid and EICP synergistically reinforced soil embankment structure and a construction method, and relates to the technical field of soil embankment structures. Comprising a pavement base layer, an embankment bearing layer and a natural soil foundation layer, and the natural soil foundation layer is used as a soil embankment structure support and is arranged at the bottommost layer; the pavement base layer is used for bearing an upper driving load and uniformly transferring the upper driving load to the embankment bearing layer below; and the embankment bearing layer is used for bearing the upper load transmitted by the pavement base layer. The engineering performance is improved through the multi-layer synergistic effect, the core reinforcing layer is of an innovative space grid structure and is composed of a prefabricated geogrid, a grid support arranged in the inclined direction and a rigid stress plate frame, a three-dimensional force transmission network is formed, the limitation of a traditional reinforcing method is broken through, and the engineering performance is improved. In addition, the grating support is arranged at a specific angle, the structural rigidity is guaranteed, and the stress concentration phenomenon is avoided.

The highway engineering slope protection device comprises a connecting plate, through holes are formed in the two sides of the connecting plate, the highway engineering slope protection device further comprises two expansion frames, an adjusting and limiting assembly, a protection net and a positioning assembly, the two expansion frames are hinged to the bottom of the side wall of the connecting plate, and the protection net is movably connected to the inner sides of the expansion frames through the adjusting and limiting assembly; the adjusting limiting assembly is slidably arranged on the outer wall of the expanding frame, and the positioning assembly penetrates through the connecting plate to be movably connected to the middle of the connecting plate and used for fixing the position of the connecting plate and adjusting the angle of the symmetrical expanding frame. The utility model belongs to the technical field of slope protection devices, and particularly relates to a highway engineering slope protection device which aims at water and soil conservation of soil shoulders on the two sides of a highway, improves the covering quality of a vegetation net and prevents gravel from rolling.

The invention discloses a railway special line intelligent inspection robot system and a multi-mode sensing method thereof, and the system comprises a crawler-type mobile platform which is used for autonomously moving on a railway track and under complex road conditions along the line; the multi-mode sensing module is installed on the crawler-type mobile platform and used for collecting multi-source heterogeneous data of the railway infrastructure and the environment, therefore, the multi-mode sensing module is adopted, full-dimension recognition is achieved, the missing detection rate and the false detection rate are greatly reduced, the crawler-type mobile platform is adopted, the crawler-type structure is high in road holding force, the anti-interference capacity is outstanding, and the reliability of the system is improved. The robot can flexibly adapt to scene seamless switching of a track, a soil road along the line and a ramp, can complete operations such as close-range review and slight disposal of hidden dangers through the mechanical arm, makes up for the defect that existing equipment has no execution capability, does not need manual intervention into a closed loop, and greatly improves the inspection and disposal efficiency.

The invention relates to the technical field of landscape guardrails, in particular to a landscape guardrail installation method.The landscape guardrail comprises a guardrail body, the guardrail body comprises a stand column, a cross beam connected to one side of the stand column, a first connecting piece connected between the stand column and the cross beam and a second connecting piece connected between the stand column and the ground; the stand column is provided with a connecting section and a bent section connected to the lower side of the connecting section, the first connecting piece is connected to the connecting section, the second connecting piece is connected to the bent section, the bent section is located between the cross beam and the ground, and the bent section is bent towards the side away from the cross beam. Through the arrangement of the bent sections of the stand columns, the lower foundations of the stand columns deviate towards the roadside, on the premise that the overall protection capacity of the guardrail and the thickness of a protection layer on the outer sides of the stand columns are guaranteed, the occupation of the guardrail on the road surface and the earth shoulder width is reduced, the construction cost of road surface buildings is reduced, and the stand columns are suitable for road sections with limited construction spaces such as the near water and the near cliff.

Method for predicting and activating AWD on a route, where a process - Receives weather data (401) and uses this data to determine whether AWD and / or 4WD should be automatically activated or deactivated, and at the - any areas on the route corresponding to gravel, dirt or otherwise unpaved roads are considered first (403), with a flag being set (405) for each of these areas, and - wherein a predetermined distance or time before reaching these areas the process activates AWD, wherein the process also checks whether any weather warnings indicating possible upcoming weather over regions of the route exist for the time the vehicle is predicted to travel (407), wherein the process sets a flag for AWD or 4WD for these areas (409) if there are any weather warnings for any regions of the route, and wherein if and when the vehicle encounters an area with a flag set (411), the process checks whether a timestamp is associated with the area (413), and if there is no timestamp, activates AWD (417) shortly before the vehicle enters the area with a flag set, or wherein alternatively, a point on the route is set at which AWD is to be activated and another point at which AWD is to be deactivated.

The invention relates to the technical field of road construction, in particular to a dump truck unloading paver hopper for earth shoulder paving, which comprises a main frame and a conveying belt mechanism mounted at the lower end of the main frame, an upper unloading bin is movably assembled on the upper surface of the main frame through an overhead adjusting disc, and an electric control type unloading hopper is mounted at a lateral opening of the upper unloading bin. And an electric control type paving mechanism is arranged at the position of a discharge port of the electric control type discharge hopper. According to the unloading paver hopper of the dumper for paving the earth shoulder, the electric control type unloading hopper is installed at the lateral opening position of the upper unloading bin, the side hanging type lifting adjusting mechanism is used for driving the electric control type unloading hopper to ascend and descend, the unloading paver hopper can adapt to different paving heights, and the application range is wider; the electric control type discharge hopper is composed of the lifting hopper and the extension hopper which is slidably controlled through the telescopic supporting rod, so that the paving and discharging width of the electric control type discharge hopper can be freely changed, and the operable range is more diversified.

The invention provides a multi-task perception method and device for a cross-country pavement, and the method comprises the steps: carrying out the processing of an RGB image through a detail extraction model, and obtaining low-dimensional detail features; processing the RGB image by using the semantic extraction model to obtain a high-dimensional semantic feature; processing the point cloud data by using a Point Pillars network to obtain elevation features; fusing the low-dimensional detail features, the high-dimensional semantic features, the elevation features and the IMU features by using a fusion model to obtain fused features; encoding the fusion features by using a shared encoder to obtain general features; processing the general features by using a pavement classification decoder to obtain a pavement classification result; processing the general features by using a pavement segmentation decoder to obtain a pavement segmentation result; and processing the general features by using a pavement roughness quantization decoder to obtain a pavement roughness quantization result. According to the method, precise classification of typical off-road pavements such as earth roads, grass roads and gravel roads can be realized.

The utility model relates to the technical field of road construction, and discloses a prestressed reinforced soil embankment retaining structure, which is characterized in that a plurality of geotechnical bag layers of a geotechnical bag retaining body are stacked on a wall foundation and are positioned on the outer side of a reverse osmosis layer; the reinforced net reversely wraps the plurality of geotechnical bag layers and extends into the embankment core; the cast-in-place outer wall face is arranged on the wall face foundation and located on the outer side of the geotechnical bag blocking body. One end of each lacing wire net is arranged in the dike core, and the other end of each lacing wire net is connected with reinforcing bars of the cast-in-place outer wall surface; one end of each prestressed rib net is connected with a pressure plate, the other end of each prestressed rib net is connected with the outer side face of the cast-in-place outer wall face through an anchor head, the prestressed rib net located on the left side of the dike core is connected with the pressure plate located on the right side of the dike core, and the prestressed rib net located on the right side of the dike core is connected with the pressure plate located on the left side of the dike core. The embankment retaining structure and the embankment core are constructed at the same time, and the advantages that the embankment can be rapidly filled, filler is fully compacted, the left and right distribution pressure plates apply pressure oppositely, the ultimate pulling resistance is high, and the overall stability is high can be achieved.

The utility model discloses a bridge and culvert height-limiting protective frame structure suitable for earth roads and sandstone roads, which relates to the technical field of bridge and culvert height-limiting protective frames and comprises a pair of seamless steel tube stand columns and a height-limiting cross beam positioned at the upper ends of the seamless steel tube stand columns. The upper ends of the seamless steel pipe stand columns are connected with the height limiting cross beam through flanges, the lower ends of the seamless steel pipe stand columns are connected with foundations through flanges, and a ground beam is arranged between the foundations. In work points such as a soil road and a sand stone road, the ground beam can enlarge the foundation bottom area, reduce the foundation pressure of unit area and prevent overlarge local settlement, the ground beam is of a reinforced concrete structure, the clear height from the height limiting cross beam to the road surface can be effectively controlled, the risk that bridges and culverts are collided by vehicles is avoided, and safety is improved.

This invention discloses an embankment structure and construction method reinforced by geogrid and EICP, belonging to the field of embankment structure technology. It includes: a road base course, an embankment bearing layer, and a natural soil foundation layer. The natural soil foundation layer serves as the structural support for the embankment and is located at the bottom layer. The road base course bears the upper traffic load and evenly transfers it to the lower embankment bearing layer. The embankment bearing layer bears the upper load transferred from the road base course. This invention improves engineering performance through multi-layered synergistic effects. The core reinforcement layer adopts an innovative spatial grid structure, composed of prefabricated geogrids, obliquely arranged geogrid supports, and rigid load-bearing plates, forming a three-dimensional force transmission network. This overcomes the limitations of traditional reinforcement methods, achieving multi-directional load transfer and uniform distribution. Furthermore, the geogrid supports are arranged at a specific angle, ensuring structural rigidity while avoiding stress concentration.

This invention relates to the field of road shoulder slipforming technology, specifically a slipforming casting device for highway soil shoulders. It includes a top shell with a connecting component fixedly connected to one side for connection to a slipform paver. A mold mechanism is located inside the top shell, comprising two side plates. Multiple guide rails are fixedly connected to the top surface of the top shell, and the tops of both side plates are slidably engaged with these guide rails. In this invention, the road soil is limited by the top shell and mold mechanism, and the road soil is evenly distributed by a dispersing mechanism. The road soil is then vibrated and compacted by the forming mechanism to form a road shoulder. If a defective road shoulder appears, it can be cut and broken by the dispersing mechanism to restore the road shoulder to its original road soil state. The road soil is then pre-compressed by the dispersing mechanism, and then compacted by the forming mechanism, facilitating the reconstruction of the road soil.

The application provides a novel farmland road structure, which is paved on farmland base soil and comprises, from bottom to top, a mesh cloth layer, a water guide grid layer, a sand cushion layer and a solidified soil layer. The mesh cloth layer is covered on the farmland base soil, the water guide grid layer is covered on the mesh cloth layer and comprises an HDPE three-dimensional honeycomb grid, the height of the HDPE three-dimensional honeycomb grid is set as 150±50 mm, the sand cushion layer is filled in the HDPE three-dimensional honeycomb grid, the sand cushion layer is composed of medium coarse sand and / or gravel, and the solidified soil layer is covered on the sand cushion layer. The three-dimensional composite framework structure composed of the water guide grid layer and the sand cushion layer effectively disperses the upper vehicle load to a larger area of the base layer, greatly improves the overall rigidity and anti-deformation capacity of the road, effectively avoids the rut and subsidence problems of the traditional soil road under the rolling of heavy agricultural machinery, and the overlying solidified soil layer further provides a solid and flat driving surface.

The present specification discloses an earthing stick device which enables earthing with a palm by using a stick used for dirt roads or hiking. The earthing stick device according to the present specification comprises: a ground contact part positioned at one end and made of a conductive material; a ground handle part located at the other end, including a hollow therein, and made of a conductive material; a plurality of connection sticks located between the ground contact part and the ground handle part, and including a hollow therein; and a ground connection line part located inside the ground handle part and the plurality of connection sticks, and having one end electrically connected to the ground contact part and the other end electrically connected to the ground handle part, wherein at least a portion of the ground connection line part may be formed in a spring structure.

The utility model discloses a kind of earth road shoulder leveling devices, it is related to earth road shoulder leveling equipment technical field, including scraping flat plate group, the scraping flat plate group is installed on connecting frame, the connecting frame is installed on the mechanical arm of walking machine, the lower edge of the scraping flat plate group is used to scrape flat earth road shoulder surface, one side of the scraping flat plate group is equipped with first calibration support, first calibration rod is connected on the first calibration support, the first calibration rod can be moved up and down on the first calibration support, the lower end of the first calibration rod can be contacted with road surface. The utility model is contacted with road surface by first calibration rod, so that the height of scraping plate group can be calibrated, so that it can be scraped flat along the expected height to the earth material on earth road shoulder surface.

The invention belongs to the technical field of road protection, and particularly relates to an overhanging type guardrail capable of saving road surface space and a mounting method thereof. Comprising a staggered stand column, a first guardrail installed on the staggered stand column and a second guardrail installed on the staggered stand column and located below the first guardrail, and the staggered stand column comprises a fixing part buried in a road surface and a protection part overhung to the outer side of the road surface and used for installation of the guardrail assembly. By the adoption of the design of the staggered stand columns 1, the fixing part 11 is pre-buried in the roadbed, the protection part 12 provided with the first guardrail and the second guardrail is overhung to the outer side of the road surface 3, the space occupied by the guardrails above the road surface is reduced, and the usable width of the road surface is increased. The problem that the protective capability of a standard guardrail is reduced or the standard guardrail cannot be installed due to insufficient width of a soil shoulder on a road section near water, a cliff and an edge is solved, and the construction cost of pavement buildings is saved.

The utility model belongs to the field of soil shoulder construction technology, specifically provide a road construction soil shoulder paving compaction device, including mobile equipment, push material board, paving assembly and compaction component, mobile equipment is used for driving push material board, paving assembly and compaction component move along the length direction of soil shoulder. In the moving process, the push material department of push material board first pushes the earth material that exceeds the soil shoulder construction area to the inside of soil shoulder construction area, then through paving screw, the earth pile on the top of earth material is scattered, and the top of earth material is changed from pointed pile to relatively flat plane. Finally, compaction component compacts earth material, and the formed soil shoulder is obtained. The application moves forward along the length direction of soil shoulder through mobile equipment, concentrates earth material in the inside of soil shoulder construction area through push material board, then spreads earth material flat through paving screw, and finally compacts earth material through compaction component, which is more high in degree of automation, helps to reduce the labor intensity of workers, and improves construction efficiency.

The utility model belongs to the technical field of road engineering, and particularly relates to a high-strength highway pavement drainage structure. The problems that in the prior art, construction and transportation are difficult, road accumulated water spreads to sidewalks, and consequently vehicles and pedestrians fall down are solved. Comprising a roadbed center line, the roadbed center line is located in the middle of a road surface, the position of the roadbed center line is determined according to the width of the road surface, the position of the roadbed center line changes according to the width change of the road surface, and a traffic lane is arranged on the right side of the roadbed center line and used for vehicles or pedestrians. An earth shoulder inner edge is arranged on the right side of the traffic lane, a high-strength concrete prefabricated water blocking ditch is arranged on the right side of the earth shoulder inner edge and used for collecting rainwater, and a plurality of torrent grooves are formed in the right side of the high-strength concrete prefabricated water blocking ditch. The safety of vehicles and pedestrians can be improved, and meanwhile, the convenience in transportation and maintenance can be improved.

The application provides a double-side widening transition structure of a small-radius curve road section, which comprises the following steps: setting a linear smooth widening soil shoulder edge line and a widening driving lane edge line on the inner and outer sides of the original soil shoulder edge line and the original driving lane edge line of an original road, so that unilateral high-slope excavation and high-fill protection work and the amount of demolition can be effectively reduced during construction; the double-side widening transition structure comprises the double-side widening transition structure, which can better adapt to small-radius curve roads and regions with many buildings in urban centers, and is more conducive to driving safety and comfort; a double-side widening method is used to obtain the double-side widening transition structure. The double-side widening transition structure, the road section and the method of the small-radius curve road section are used to solve the problems of large engineering investment scale, large project construction difficulty and unguaranteed construction quality caused by the widening of the inner side of the small-radius curve road in the prior art.