Honeycomb-shaped fabricated pavement structure and construction equipment and method thereof

Abstract

The invention discloses a honeycomb assembly type pavement structure and construction equipment and method thereof.According to the design of the pavement structure, caulking seams between honeycomb prefabricated blocks are filled, and layer sealing treatment and asphalt surface layer paving are conducted in sequence, so that a rigid base layer structure and an upper flexible asphalt structure form a rigid-flexible composite interlocking system; upheaval is overcome, shrinkage cracks of a rigid base layer are avoided, and interlayer drainage and stagnant water prevention are achieved in cooperation with an open-graded asphalt material; and through the synergistic effect of the modular partitioning design and the honeycomb structure, the temperature shrinkage stress generated by temperature and humidity shrinkage deformation is dispersed, and the service life is prolonged. Compared with a traditional road, the stress distribution of the road surface is more uniform, and the flexible adaptability is higher. And a special mechanical paving system is used for implementing assembly type installation of the pavement base layer, so that the field operation efficiency is remarkably improved. In addition, a hexagonal-diamond-shaped building block mold is optimized in the prefabrication production stage of a factory, concrete is evenly and compactly formed through an asymmetric side face stress structure, and the surface flatness is guaranteed in cooperation with a top face fine aggregate concrete secondary distribution technology.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of assembled pavement, more particularly, relates to a honeycomb-shaped assembled pavement structure and a construction equipment and method thereof. BACKGROUND

[0002] Traditional municipal roads inevitably face problems such as long construction period, high life cycle maintenance cost and obvious environmental disturbance in construction and maintenance, and the traditional construction process gradually cannot meet the development needs.

[0003] In the past, the rigid and flexible structure layers in the road structure are connected in a planar layering manner, and there are common problems such as pushing and bulging of the flexible asphalt structure layer, shrinkage cracks of the rigid and semi-rigid base, and the full-thickness road structure is high in cost. Therefore, an assembled structure pavement and a construction method thereof which are simple to construct and maintain, strong in impact fatigue resistance and suitable for large-area popularization and use should be provided. SUMMARY

[0004] In view of the above defects or improvement needs of the prior art, the present application provides a honeycomb-shaped assembled pavement structure and a construction equipment and method thereof. The pavement structure design fills the joints between the honeycomb-shaped precast blocks, and sequentially performs seal coat treatment and asphalt surface paving, so that the rigid base structure and the upper flexible asphalt structure form a rigid-flexible composite interlocking system, the bulging is overcome and the shrinkage cracks of the rigid base are avoided, and the interlayer drainage and water stagnation prevention are realized by matching the open-graded asphalt material; through the modular block design and the synergistic effect of the honeycomb structure, the temperature shrinkage stress generated by the temperature and humidity shrinkage deformation is dispersed, and the service life is prolonged. Compared with the traditional road pavement, the stress distribution is more uniform and the flexibility is higher. The assembled installation of the pavement base is implemented by means of a special mechanical paving system, which significantly improves the on-site operation efficiency. In addition, the hexagonal block mold is optimized in the precast production stage in the factory, the concrete is uniformly and densely formed by using the asymmetric side force structure, and the surface flatness is ensured by cooperating with the secondary distribution technology of the top fine stone concrete.

[0005] In order to achieve the above-mentioned purpose, according to the first aspect of the present application, a honeycomb-shaped assembled pavement structure comprises: a cured soil layer, a medium sand leveling layer, a honeycomb block assembly layer, a gap filling layer, a penetration layer asphalt, a stone chip layer, a tack coat asphalt and an asphalt concrete which are sequentially laid from bottom to top; The cured soil layer is composed of cement and gravel; the medium sand leveling layer is composed of medium sand; the honeycomb block assembly layer is formed by mutually surrounding and laying a plurality of honeycomb blocks; the gap filling layer is filled into the block gap, and is composed of ATB-25 asphalt gravel; The block is upper closed six-pyramid, adjacent block closed funnel gap is opening, the opening angle meets that asphalt mixture can be squeezed into the groove under the rubber wheel vibration compaction, and the lower gap of the opening is not less than 2.5 times of the embedded gravel particle size.

[0006] Preferably, the overall height of the block is 21 cm, the lower height is 10-12 cm, the upper width is 22.04 cm, the lower width is 32.04 cm, and the lower diagonal line is 35 cm.

[0007] Preferably, the volume of the ATB-25 asphalt gravel is 0.35 m³ / m², the volume of the stone chips in the stone chip layer is 0.004 m³ / m², the adhesive layer asphalt component is PC-3 type emulsion asphalt adhesive layer oil, and the volume of the emulsified asphalt sprayed per square meter area is 0.4 L / m².

[0008] Preferably, the solidified soil layer thickness is 300-400 mm, the medium sand leveling layer thickness is 4-6 mm, and the block gap of the honeycomb block assembly layer is 3-5 mm.

[0009] Preferably, the gap filling layer can be replaced by AC-25 asphalt concrete hot pressing construction instead of ATB-25 asphalt gravel.

[0010] According to the second aspect of the present application, a construction equipment of a honeycomb assembly type pavement structure comprises a block paving device, and the block paving device comprises: a vehicle frame provided with a track, a block loading unit mounted on the vehicle frame, a paving deviation correction unit provided between the block loading unit and the vehicle frame and used for controlling coordinate translation adjustment and angle adjustment of the block loading unit, and a block paving unit provided at the output end of the rear of the block loading unit; The block paving unit comprises a belt conveying module connected to the output end of the rear of the block loading unit, a sliding-out assembly connected to the end of the belt conveying module and close to the ground, a rib pulling guard plate provided on both sides of the belt conveying module and the sliding-out assembly and fixedly connected with the block loading unit, a first flow control wheel and a second flow control wheel provided above both ends of the belt conveying module and rotationally connected with the rib pulling guard plate, and the distance between the flow control wheel and the upper surface of the belt conveying module is the same as the height of the block; and the upper surface of the sliding-out assembly is provided with a pulley.

[0011] Preferably, the block loading unit comprises: a loading box for collecting blocks, a block output assembly provided at the bottom of the loading box, and a block heavy loading assembly for batch delivery of blocks to the block output assembly; The block output assembly comprises a support base block fixed vertically on the bottom of the loading box, an output friction wheel rotating on the upper surface of the support base block, a first chain wheel fixed coaxially with the output friction wheel, a second chain wheel connected with the first chain wheel through a chain transmission, and an output drive motor driving the second chain wheel; the block is placed on the upper surface of the support base block and its movement is controlled by the output friction wheel. The block heavy load assembly comprises a heavy load drive screw vertically arranged at the four corners of the loading box, a heavy load drive motor fixed coaxially with the heavy load drive screw, a drop plate buffer spring sleeved on the bottom end of the heavy load drive screw, and a block bearing plate threadedly connected with the heavy load drive screw; the lower end of the heavy load drive screw is a non-threaded rod section. The block bearing plate is provided with a plate removal hole, and the plate removal hole is provided in position with the support base block; under the driving action of the heavy load drive motor, the block bearing plate moves downward, when the block bearing plate moves to the position of the upper surface of the support base block, the support base block passes through the plate removal hole, and the block above the block bearing plate is in contact with the output friction wheel on the upper surface of the support base block and completes the handover, then the block bearing plate continues to move downward until it falls on the drop plate buffer spring.

[0012] Preferably, the laying position deviation correction unit comprises: a bearing plate fixed on the upper surface of the vehicle frame, a sliding surface provided on the bearing plate, a sliding plate horizontally slidingly installed on the sliding surface, and a coordinate deviation correction assembly for controlling the sliding plate to move along a horizontal two-dimensional plane; the loading box is rotatably connected above the sliding plate; The coordinate deviation correction assembly comprises two groups of orthogonal screw rod transmission control assemblies fixed on the bearing plate, and realizes two-dimensional coordinate control of the sliding plate on the sliding surface. A deviation angle correction assembly for controlling the rotation angle of the loading box and the sliding plate comprises a mounting disc hole provided on the bottom of the loading box, a convex disc gear fixed on the upper surface of the sliding plate and clamped into the mounting disc hole, a third deviation correction drive gear provided on the side of the mounting disc hole and in meshing transmission with the convex disc gear, a second deviation correction drive gear fixed coaxially with the third deviation correction drive gear, a first deviation correction drive gear in meshing transmission with the second deviation correction drive gear, and a deviation angle correction motor driven and controlled by the first deviation correction drive gear through a bevel gear set.

[0013] According to the third aspect of the present application, a construction method of a honeycomb assembly type pavement structure comprises the following steps: S100: curing soil cushion construction: the construction section is longitudinally overlapped by 300-400 mm, and the intersection widening section is manually paved; during paving, the feeding vehicle is uniformly operated, a person is responsible for treating segregation and filling new material, and immediately after paving, rolling is performed according to the process of “static pressure→light vibration→heavy vibration→static pressure finishing”; S200: Construction of curb base: Position and clean the installation surface according to the design, use C20 concrete to cast the base as a whole, and cast the gap between the base and the blocks with C20 concrete. This base provides a foundation for the curb and can prevent the blocks from moving sideways and the loss of the leveling sand; S300: Leveling layer construction: Clean the solidified soil cushion before paving, and set the control line according to the 5mm virtual paving thickness determined in the test section; use a loader to pile the medium sand to the layout position and then gradually level it. Then use a wooden scraper with the same width as the road surface to push it forward and level it, or use a spreader to spread it; S400: Honeycomb-shaped composite blocks: After material acceptance, use a dedicated robotic arm fixture to position the blocks according to the design baseline, and perform three-level layout using a total station. Following the principle of "centerline first, then sides," the blocks are laid longitudinally with staggered joints starting from the center of the lane. When paving laterally, a laser leveler is used to monitor accuracy, maintaining a gap of 3-5mm. Flat curve sections are symmetrically arranged along the centerline, and staggered mortise and tenon joints are used to suppress horizontal displacement. S500: Concrete edge sealing: The paving is completed using a block paving device, followed by cast-in-place C20 fine stone concrete edge sealing, locking the curb base and the block base, forming a closed system to strengthen the integrity and prevent the loosening of blocks and the loss of roadbed filler; S600: Filling: Before construction, clean the gaps between blocks and spread stone chips. Then, use a rubber-wheel roller to vibrate and compact the gaps, evenly distributing the stone chips. After vibration and compaction, spray PC-2 emulsified asphalt penetration oil. After the penetration oil has penetrated, fill with ATB-25 asphalt macadam or AC-25 asphalt concrete, hot-press, and level with a 25t roller. The construction temperature must be above 5°C, and crack expansion is controlled by using an inverted triangle structure. S700: Tack coat construction: Spray PC-3 emulsified asphalt tack coat oil between the filler and medium-grained asphalt concrete, and between the medium-grained asphalt concrete and fine-grained asphalt concrete. Use an intelligent spreader to evenly spray into a thin mist layer at a rate of 0.4L / m². S800: Asphalt concrete paving and rolling: Before paving asphalt concrete, use GPS to measure and control the steel chisel, then use the level to calculate the loose paving elevation according to the elevation and loose paving coefficient and set the guide control line; when paving, the paver operates continuously at a uniform speed, and rolling follows paving closely, with the process of initial compaction → re-compaction → final compaction, carried out at high temperature, and controlling the compaction qualification rate Km ≥ 97% and the thickness qualification rate KL ≥ 93%.

[0014] Preferably, the S400 further includes: S401: Honeycomb blocks are manufactured in a custom steel mold based on the hexagonal 320 block module, and are assembled and positioned after being coated with a water-based release agent. S402: Use a forced mixer to mix C35 coarse-grained concrete. After the slump is tested and qualified, it is mechanically hoisted to the mold, mechanically vibrated and compacted into shape, and the thickness of each layer is controlled and smoothed; S403: After forming, cover the moisture curing, reach the demolding strength, remove the mold, and transfer to the standard curing environment for further curing after marking. After the expiration, detect the performance, and package the qualified blocks for protection; S404: After curing to the design strength, transport the blocks by using a special flat car, stack the blocks on a wooden tray or a block bearing plate by using a mechanical arm clamp, and load and transport.

[0015] Overall, compared with the prior art, the above technical solutions conceived by the present application can achieve the following beneficial effects: 1. The present application is verified by actual engineering tests, which can greatly reduce the cost of engineering projects, significantly reduce the demand for later maintenance, reduce construction waste and resource waste, significantly improve traffic efficiency, greatly enhance the road flood control capacity, and create a safe and comfortable travel environment.

[0016] 2. In the present application, a honeycomb assembly type pavement structure adopts rigid-flexible composite stress technology, rigid precast blocks form a honeycomb grid to limit the sliding of the flexible asphalt macadam layer and overcome the problem of bulging; the flexible asphalt wraps and fills the precast blocks, giving the structure flexibility and avoiding shrinkage cracks in the rigid base; at the same time, the asphalt material filled in the interstitial space of the honeycomb blocks stabilizes the voids of the macadam, which can smoothly drain the water from the pavement structure and avoid damage to the road structure caused by water accumulation between layers.

[0017] 3. In the present application, a honeycomb assembly type pavement structure adopts crack and rut control technology, which disperses pavement stress through block combination, controls cracks at the interface, and uses the inverted triangular structure formed by the upper asphalt to prevent crack propagation; at the same time, the crack sealing material uses flowable self-healing modified asphalt, which, combined with the design of the extrusion compacting slope, realizes the self-repairing function in high temperature seasons; in addition, the C30 assembly type concrete precast block improves the overall structural strength, and is matched with a 5-9 cm modified asphalt surface layer and a reasonable aggregate gradation to effectively control the pavement rut problem under heavy load. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the honeycomb assembly type pavement structure of the present application; Figure 2 It is a large-scale drawing of curb installation of the honeycomb assembly type pavement structure of the present application; Figure 3 It is a schematic diagram of the cross-sectional structure of the honeycomb assembly type pavement structure of the present application; Figure 4 It is an elevation view of the block of the honeycomb assembly type pavement structure of the present application; Figure 5 It is a sectional view of the block of the honeycomb assembly type pavement structure of the present application; Figure 6 It is a block overhead view of a honeycomb assembly type pavement structure according to an embodiment of the present application; Figure 7 It is a block clamp diagram for a honeycomb assembly type pavement structure construction according to an embodiment of the present application; Figure 8 It is a construction site diagram of a honeycomb assembly type pavement structure according to an embodiment of the present application; Figure 9 It is a block preloading diagram of a honeycomb assembly type pavement structure according to an embodiment of the present application; Figure 10 It is a schematic diagram of the overall structure of a block paving device for a honeycomb assembly type pavement structure construction according to an embodiment of the present application; Figure 11 It is a partial enlarged view A in Figure 10 Figure 12 It is a schematic diagram of the block output assembly structure of a block paving device according to an embodiment of the present application; Figure 13 It is a partial enlarged view B in Figure 10 Figure 14 It is a schematic diagram of a block paving structure in a honeycomb assembly type pavement structure according to an embodiment of the present application; Figure 15 It is a flow chart of a construction method of a honeycomb assembly type pavement structure according to an embodiment of the present application; In all the drawings, the same reference signs represent the same technical features, specifically: 1 - frame, 100 - track, 2 - paving deviation correction unit, 201 - bearing plate, 202 - sliding surface, 203 - sliding plate, 210 - coordinate deviation correction assembly, 211 - transverse deviation correction assembly, 212 - coordinate deviation correction motor, 213 - coordinate deviation correction screw, 220 - angle deviation correction assembly, 221 - convex disc gear, 222 - third deviation correction drive gear, 223 - second deviation correction drive gear, 224 - first deviation correction drive gear, 225 - bevel gear set, 226 - angle deviation correction motor, 3 - block loading unit, 300 - loading box, 310 - block heavy load assembly, 311 - heavy load drive motor, 312 - heavy load drive screw, 313 - drop plate buffer spring, 314 - block bearing plate, 3140 - plate retreat hole, 320 - block output assembly, 321 - support base block, 322 - output friction wheel, 323 - first sprocket, 324 - chain, 325 - second sprocket, 326 - output drive motor, 4 - block paving unit, 400 - rib protection plate, 410 - belt conveying module, 420 - sliding-out assembly, 421 - pulley, 430 - first flow control wheel, 440 - second flow control wheel. DETAILED DESCRIPTION

[0019] ​​In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0021] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0022] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to illustrate the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

[0023] like Figures 1 to 14 As shown, in an embodiment of the present invention, the honeycomb assembled pavement structure includes: From bottom to top, the solidified soil layer, medium sand leveling layer, honeycomb block assembly layer, gap filling layer, penetration layer asphalt, stone chip layer, tack layer asphalt and asphalt concrete are laid in sequence; The solidified soil layer is composed of cement and crushed stone; the medium sand leveling layer is composed of medium sand; the honeycomb block assembly layer is formed by paving multiple honeycomb blocks enclosed with each other; the gap filling layer is filled in the gaps between the blocks and is composed of ATB-25 asphalt crushed stone; The block is upper closed six-pyramid, adjacent block funnel gap is open, the open angle meets the asphalt mixture under the rubber wheel vibration compaction can be squeezed into the groove, the lower gap of the opening is not less than 2.5 times of the embedded gravel particle size.

[0024] As Figures 4 to 6 shown, in the embodiment of the application, the overall height of the block is 21 cm, the lower height is 10-12 cm, the upper width is 22.04 cm, the lower width is 32.04 cm, and the lower diagonal line is 35 cm.

[0025] As Figures 1 to 3 shown, in the embodiment of the application, the honeycomb assembly type pavement structure comprises: The volume of ATB-25 asphalt macadam is 0.35 m³ / m²; the volume of stone chips in the stone chip layer is 0.004 m 3 / m 2 ; the component of the tack coat asphalt is PC-3 type emulsified asphalt tack coat oil, and the volume of emulsified asphalt sprayed per square meter is 0.4 L / m².

[0026] As Figures 1 to 3 shown, in the embodiment of the application, the honeycomb assembly type pavement structure comprises: the thickness of the solidified soil layer is 300-400 mm; the thickness of the medium sand leveling layer is 4-6 mm; and the gap between the blocks of the honeycomb block assembly layer is 3-5 mm.

[0027] As Figure 3 shown, in the embodiment of the application, the gap filling layer can be replaced by AC-25 asphalt concrete hot pressing construction instead of ATB-25 asphalt macadam.

[0028] In the embodiment of the application, the rigid-flexible composite stress technology is adopted, the rigid prefabricated block surrounds the honeycomb grid, limits the sliding of the flexible asphalt macadam layer, and overcomes the problem of bagging; the flexible asphalt wraps and fills the prefabricated block, gives the structure the flexible characteristics, avoids the shrinkage crack of the rigid base, and at the same time, the asphalt material filled in the gap between the honeycomb blocks can make the seepage water of the pavement structure be smoothly discharged, and avoids the damage of the interlayer combined stagnant water to the road structure.

[0029] In addition, in the embodiment of the application, the crack and rut control technology is adopted, the pavement stress is dispersed through the block combination, the crack is controlled at the interface, the inverted triangular structure formed by the upper asphalt prevents the crack from expanding; at the same time, the crack filling material adopts the flowability self-healing modified asphalt, and the self-repairing function in the high temperature season is realized by combining the extrusion compacting inclined surface design; in addition, the C30 assembly type concrete prefabricated block improves the overall structure strength, is matched with the 5-9 cm modified asphalt surface layer and the reasonable aggregate gradation, and effectively controls the pavement rut problem under heavy load.

[0030] AsFigure 8 and Figure 10 As shown in FIG, two embodiments of the block paving device are shown, namely the clamping type and the discharge type. The clamp of the clamping type block paving device is as shown in FIG. Figure 7 As shown, the overall structure of the discharge block paving device is as follows Figures 10 to 13 shown.

[0031] like Figures 10 to 13 As shown, in an embodiment of the present invention, the construction equipment of the honeycomb assembled pavement structure includes a block paving device, which includes: A vehicle frame 1 with crawlers 100 at the bottom, a block loading unit 3 mounted on the vehicle frame 1, a bunk correction unit 2 provided between the block loading unit 3 and the vehicle frame 1 and used to control the coordinate translation adjustment and angle adjustment of the block loading unit 3, and a block laying unit 4 provided at the rear output end of the block loading unit 3; The block laying unit 4 includes a belt conveyor module 410 connected to the rear output end of the block loading unit 3, a slide-out component 420 connected to the end of the belt conveyor module 410 and close to the ground, a reinforcement pull guard plate 400 provided on both sides of the belt conveyor module 410 and the slide-out component 420 and fixedly connected to the block loading unit 3, a first flow control wheel 430 and a second flow control wheel 440 located above the front and rear ends of the belt conveyor module 410 and rotatably connected to the reinforcement pull guard plate 400; the distance between the flow control wheel and the upper surface of the belt conveyor module 410 is the same as the height of the block; and a pulley 421 is provided on the upper surface of the slide-out component 420.

[0032] like Figures 10 to 13 As shown, in this embodiment of the present invention, the block loading unit 3 includes: A loading box 300 for storing building blocks, a building block output assembly 320 located at the bottom of the loading box 300, and a building block reloading assembly 310 for transferring building blocks in batches to the building block output assembly 320; The building block output assembly 320 includes a support base 321 vertically fixed to the bottom of the loading box 300, an output friction wheel 322 rotatably mounted on the upper surface of the support base 321, a first sprocket 323 coaxially fixedly connected to the output friction wheel 322, a second sprocket 325 connected to the first sprocket 323 via a chain 324, and an output drive motor 326 that drives the second sprocket 325. The building blocks are placed on the upper surface of the support base 321, and their movement is controlled by the output friction wheel 322. The block heavy-duty assembly 310 includes heavy-duty drive screws 312 vertically arranged at the four corners of the loading box 300, a heavy-duty drive motor 311 coaxially and fixedly connected to the heavy-duty drive screw 312, a drop plate buffer spring 313 sleeved on the bottom end of the heavy-duty drive screw 312, and a block bearing plate 314 threadedly connected to the heavy-duty drive screw 312; the lower end of the heavy-duty drive screw 312 is a non-mercerized rod section; The block supporting plate 314 is provided with a plate-retracting hole 3140, and the plate-retracting hole 3140 is opened in correspondence with the supporting base block 321; under the driving action of the heavy-load driving motor 311, the block supporting plate 314 moves downward, and when the block supporting plate 314 moves to the upper surface position of the supporting base block 321, the supporting base block 321 passes through the plate-retracting hole 3140, and the block above the block supporting plate 314 contacts and completes the handover with the output friction wheel 322 on the upper surface of the supporting base block 321, and then continues to control the block supporting plate 314 to move downward until it falls onto the falling plate buffer spring 313.

[0033] like Figures 10 to 13 As shown, in this embodiment of the present invention, the bunk correction unit 2 includes: A load-bearing plate 201 fixedly mounted on the upper surface of the vehicle frame 1, a sliding surface 202 provided on the load-bearing plate 201, a sliding plate 203 horizontally slidably mounted on the sliding surface 202, and a coordinate correction assembly 210 for controlling the movement of the sliding plate 203 along a horizontal two-dimensional plane; the loading box 300 is rotatably connected to the upper portion of the sliding plate 203; The coordinate correction assembly 210 includes two sets of orthogonal screw drive control assemblies fixed to the carrier plate 201 to achieve two-dimensional coordinate control of the sliding plate 203 on the sliding surface 202; The angle correction component 220 for controlling the rotation angle of the loading box 300 and the sliding plate 203 includes a mounting plate hole opened at the bottom of the loading box 300, a cam gear 221 fixed to the upper surface of the sliding plate 203 and inserted into the mounting plate hole, a third correction drive gear 222 provided on the side of the mounting plate hole and meshing with the cam gear 221, a second correction drive gear 223 coaxially fixedly connected to the third correction drive gear 222, a first correction drive gear 224 meshing with the second correction drive gear 223, and an angle correction motor 226 for driving and controlling the first correction drive gear 224 through a bevel gear set 225.

[0034] like Figure 15 As shown, in an embodiment of the present invention, a construction method of a honeycomb assembled pavement structure includes the following steps: S100: solidified soil cushion construction: the longitudinal overlap of the construction section is 300-400mm, the intersection widening section is manually spread, the feeding vehicle is uniformly operated during spreading, a person is responsible for treating segregation and filling new material, and rolling is immediately carried out after spreading, and the rolling process is "static pressure-light vibration-heavy vibration-static pressure surface collection"; S200: curb base construction: the installation surface is positioned and cleaned according to the design, the base is integrally poured with C20 concrete, the gap between the base and the block is cast in place with C20 concrete, the base provides a foundation for the curb stone, and can prevent the block from moving sideways and the sand of the leveling layer from being lost; S300: leveling layer construction: the solidified soil cushion is cleaned before paving, and the control line is set according to the 5mm virtual paving thickness determined by the test section; the middle sand is placed on the layout position by the loader, and then gradually pushed flat, and then the wood scraper with the same width as the road surface is pushed forward to scrape flat, or the spreader is used for spreading; S400: paving of honeycomb-shaped composite blocks: after material acceptance, the special mechanical arm clamp is used to position according to the design reference line, and the total station instrument is used for three-level layout; the principle of "first middle line and then both sides" is followed, and the paving is carried out in longitudinal staggered joints from the center of the single lane, the laser leveling instrument is used for monitoring the accuracy during horizontal expansion, and the gap is controlled to be 3-5mm; the flat curve section is radially arranged symmetrically along the center line, and the staggered mortise and tenon structure inhibits horizontal displacement; S500: concrete edge sealing: the paving is completed by using the block paving device, and then C20 fine stone concrete is cast in place to seal the edge, lock the curb base and the block base, form a closed system to strengthen the integrity, prevent the block from loosening and the roadbed filler from being lost; S600: filling material filling: the block gap is cleaned before construction, the stone chips are spread, and then the rubber wheel roller is used for vibration compaction, so that the stone chips are uniformly distributed in the block gap, and PC-2 emulsified asphalt primer is sprayed after vibration compaction; after the primer penetrates, ATB-25 asphalt macadam or AC-25 asphalt concrete is filled and hot-pressed, and the 25t roller is used for static pressure leveling; the construction temperature needs to be above 5℃, and the inverted triangular structure is used to control crack propagation; S700: tack coat construction: PC-3 type emulsified asphalt tack coat oil is sprayed between the filling material and the medium-grained asphalt concrete, and between the medium-grained asphalt concrete and the fine-grained asphalt concrete, and the intelligent spreader is used to uniformly spray the mist thin layer with a dosage of 0.4L / m²; S800: asphalt concrete paving and rolling: before paving the asphalt concrete, the steel peg is measured and placed by using the GPS, and then the leveling instrument is used to calculate the loose paving elevation according to the elevation and the loose paving coefficient and set the guide control line; during paving, the paving machine is uniformly and continuously operated, and the rolling closely follows the paving, and the process of initial pressure-repeated pressure-final pressure is adopted, and the rolling is carried out at high temperature, and the qualified rate of compaction degree Km≥97% and the qualified rate of thickness KL≥93% are controlled; In the embodiment of the present application, the S400 further comprises: S401: The honeycomb-shaped blocks are customized with steel molds according to the six-hexagonal 320 type block module in the factory, and are assembled and positioned after brushing water-based release agent; S402: C35 coarse-grained concrete is mixed by using a forced mixer, and after the slump is detected to be qualified, it is mechanically hoisted to the mold, mechanically vibrated and compacted to form, the thickness of each layer is controlled and smoothed; S403: After forming, cover and maintain moisture, reach the demolding strength and remove the mold, and then transfer to the standard curing environment for further curing after marking; after the expiration, detect the performance, and package the qualified blocks for protection; S404: After the material is cured to the design strength, it is transported by a special flat car, the block is stacked on a wooden tray or a block bearing plate by a mechanical arm clamp, and then is loaded and transported.

[0035] The application is verified by actual engineering test, can greatly reduce the cost of engineering project, significantly reduce the later maintenance demand, reduce construction waste and resource waste, significantly improve the traffic efficiency, greatly enhance the road flood control capacity, and create a safe and comfortable travel environment.

[0036] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principle of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A cellular, fabricated pavement structure, characterized in that, It comprises, from bottom to top, a solidified soil layer, a medium sand leveling layer, a honeycomb block assembly layer, a gap filling layer, a penetrating layer asphalt, a stone chip layer, a tack coat asphalt and an asphalt concrete. The solidified soil layer is composed of cement and crushed stone; the medium sand leveling layer is composed of medium sand; the honeycomb block assembly layer is paved by multiple honeycomb blocks; and the gap filling layer is filled into the gaps of the blocks and is composed of ATB-25 asphalt crushed stone. The block is a six-prism-shaped block with a closed top, and the funnel-shaped gap between the closed top of the adjacent blocks is an opening. The inclination angle of the opening is designed to allow the asphalt mixture to be squeezed into the groove under the vibration compaction of the rubber wheel. The lower gap of the opening is not less than 2.5 times the size of the embedded crushed stone. The overall height of the block is 21 cm, the lower height is 10-12 cm, the upper width is 22.04 cm, the lower width is 32.04 cm, and the lower diagonal line is 35 cm.

2. A cellular fabricated pavement structure according to claim 1, wherein It comprises:

3. The cellular fabricated pavement structure according to claim 1, wherein The volume of ATB-25 asphalt crushed stone is 0.35 m³ / m²; the volume of stone chips in the stone chip layer is 0.004 m³ / m²; and the tack coat asphalt is PC-3 type emulsified asphalt tack coat oil, with a volume of 0.4 L / m² of emulsified asphalt sprayed per square meter. It comprises:

4. The cellular fabricated pavement structure according to claim 1, wherein The thickness of the solidified soil layer is 300-400 mm; and the thickness of the medium sand leveling layer is 4-6 mm. The gap between the blocks of the honeycomb block assembly layer is 3-5 mm. The gap filling layer can be replaced by AC-25 asphalt concrete hot pressing construction instead of ATB-25 asphalt crushed stone.

5. The cellular fabricated pavement structure according to claim 1, wherein 6. The construction equipment for the honeycomb assembly pavement structure according to any one of claims 1-5, characterized in that it comprises a block paving device, wherein the block paving device comprises: a vehicle frame (1) provided with a track (100), a block loading unit (3) mounted on the vehicle frame (1), a paving position correction unit (2) arranged between the block loading unit (3) and the vehicle frame (1) and used for controlling the coordinate translation adjustment and the angle adjustment of the block loading unit (3), and a block paving unit (4) arranged at the output end of the rear of the block loading unit (3); the block paving unit (4) comprises a belt conveying module (410) connected to the output end of the rear of the block loading unit (3), a sliding-out assembly (420) connected to the end of the belt conveying module (410) and close to the ground, a rib pulling guard plate (400) arranged on both sides of the belt conveying module (410) and the sliding-out assembly (420) and fixedly connected with the block loading unit (3), and a first flow control wheel (430) and a second flow control wheel (440) arranged above the front and rear ends of the belt conveying module (410) and rotatably connected with the rib pulling guard plate (400); the distance between the flow control wheels and the upper surface of the belt conveying module (410) is the same as the height of the block; and the upper surface of the sliding-out assembly (420) is provided with a pulley (421). the block loading unit (3) comprises: a loading box (300) for loading blocks, a block output assembly (320) arranged at the bottom of the loading box (300), and a block reloading assembly (310) for batch delivery of blocks to the block output assembly (320).

7. The construction apparatus of claim 6, wherein ​ ​ The block output assembly (320) comprises a support base block (321) vertically fixed to the bottom of the loading box (300), an output friction wheel (322) rotatably arranged on the upper surface of the support base block (321), a first sprocket (323) coaxially and fixedly connected with the output friction wheel (322), a second sprocket (325) drivingly connected with the first sprocket (323) through a chain (324), and an output driving motor (326) driving the second sprocket (325) to rotate; the block is placed on the upper surface of the support base block (321) and its movement is controlled by the output friction wheel (322); The block heavy load assembly (310) comprises a heavy load driving lead screw (312) vertically arranged at the four corners of the loading box (300), a heavy load driving motor (311) coaxially and fixedly connected with the heavy load driving lead screw (312), a falling plate buffer spring (313) sleeved on the bottom end of the heavy load driving lead screw (312), and a block bearing plate (314) threadedly connected with the heavy load driving lead screw (312); the lower end of the heavy load driving lead screw (312) is a non-threaded rod section; The block bearing plate (314) is provided with a plate withdrawing hole (3140), and the plate withdrawing hole (3140) is provided in position with the support base block (321); under the driving action of the heavy load driving motor (311), the block bearing plate (314) moves downward, when the block bearing plate (314) moves to the position of the upper surface of the support base block (321), the support base block (321) passes through the plate withdrawing hole (3140), and the block above the block bearing plate (314) is in contact with and completes the handover with the output friction wheel (322) on the upper surface of the support base block (321), then the block bearing plate (314) continues to be controlled to move downward until it falls onto the falling plate buffer spring (313).

8. The construction apparatus of claim 7, wherein The laying position deviation correction unit (2) comprises: A bearing plate (201) fixedly arranged on the upper surface of the vehicle frame (1), a sliding surface (202) provided on the bearing plate (201), a sliding plate (203) horizontally and slidingly arranged on the sliding surface (202), and a coordinate deviation correction assembly (210) for controlling the sliding plate (203) to move along a horizontal two-dimensional plane; the loading box (300) is rotatably connected above the sliding plate (203); The coordinate deviation correction assembly (210) comprises two groups of orthogonal lead screw transmission control assemblies fixed to the bearing plate (201), so as to realize two-dimensional coordinate control of the sliding plate (203) on the sliding surface (202). A bias angle correction assembly (220) for controlling the rotation angle of the loading box (300) and the sliding plate (203) includes a mounting disc hole opened in the bottom of the loading box (300), a convex disc gear (221) fixed on the upper surface of the sliding plate (203) and clamped into the mounting disc hole, a third correction drive gear (222) arranged on the side of the mounting disc hole and in meshing transmission with the convex disc gear (221), a second correction drive gear (223) coaxially fixedly connected with the third correction drive gear (222), a first correction drive gear (224) in meshing transmission with the second correction drive gear (223), and a bias angle correction motor (226) driven and controlled by the first correction drive gear (224) through a bevel gear set (225).

9. The construction method of a cellular fabricated pavement structure according to any one of claims 1 to 5, characterized in that, The method comprises the following steps: S100: solidified soil cushion construction: the construction section is longitudinally overlapped by 300-400 mm, and the intersection widening section is manually paved. The feeding vehicle is uniformly operated during paving, and a person is responsible for treating segregation and filling new material. The pavement is immediately rolled after paving, and the rolling process is "static pressure→light vibration→heavy vibration→static pressure finishing". S200: curb base construction: the installation surface is positioned and cleaned according to the design, the base is integrally poured with C20 concrete, and the gap between the base and the block is cast in place with C20 concrete. The base provides a foundation for the curb stone, which can prevent the block from moving sideways and the sand of the leveling layer from being lost. S300: leveling layer construction: clean the solidified soil cushion before paving, and set the control line according to the 5mm virtual paving thickness determined by the test section; use a loader to place the medium sand to the layout position and then gradually push it flat, or use a wooden scraper of the same width as the pavement to push it flat. S400: paving of honeycomb-shaped blocks: after material acceptance, use a special mechanical arm clamp to position according to the design reference line, and use a total station instrument for three-level layout; follow the principle of "first center line and then both sides", and pave longitudinally from the center of a single lane, and use a laser leveling instrument to monitor the accuracy during horizontal expansion, and control the gap to be 3-5mm; the flat curve section is symmetrically radiated along the center line, and the staggered mortise and tenon structure inhibits horizontal displacement. S500: concrete edge sealing: use a block paving device to complete paving, and then cast in place with C20 fine stone concrete to seal the edge, lock the curb base and block base, form a closed system to strengthen the integrity, prevent the block from loosening and the roadbed filler from being lost. S600: filling material filling: clean the block gap before construction, spread the stone chips, then use a rubber-tired road roller to vibrate and compact, so that the stone chips are evenly distributed in the block gap, and after vibration and compaction, spray PC-2 emulsified asphalt primer; after the primer penetrates, fill ATB-25 asphalt macadam or AC-25 asphalt concrete hot press, and use a 25t road roller to statically press and flatten; the construction temperature should be above 5℃, and the inverted triangular structure is used to control crack propagation. S700: tack coat construction: spray PC-3 type emulsified asphalt tack coat between the joint filler and the medium-grained asphalt concrete, and between the medium-grained asphalt concrete and the fine-grained asphalt concrete, and use an intelligent distributor to spray a thin layer of mist with a dosage of 0.4L / m². S800: asphalt concrete paving and rolling: before paving asphalt concrete, use GPS to measure and lay out control steel drill, then use level to calculate loose paving elevation according to elevation and loose paving coefficient and set guide control line; during paving, paving machine works continuously at uniform speed, and rolling follows paving, and the process is divided into initial rolling, re-rolling and final rolling, which is carried out at high temperature, and the qualified rate of compactness Km≥97% and the qualified rate of thickness KL≥93% are controlled.

10. The method of claim 9, wherein the S400 is characterized by, Also includes: S401: honeycomb blocks are customized steel molds by factory according to six-hexagonal 320 type block modulus, and are assembled and positioned after brushing water-based release agent; S402: C35 coarse-grained concrete is stirred by forced mixer, and is mechanically hoisted to mold after detecting qualified slump, and is mechanically vibrated and compacted to form, and thickness of each layer is controlled and is smoothed; S403: after forming, cover is covered with moisture-retaining curing, and is demolded after reaching demolding strength, and is transferred to standard curing environment for continued curing after marking; performance is detected after expiration, and qualified blocks are protected and packaged; S404: after material curing to design strength, transport by special flat car, and blocks are stacked on wooden pallets or block bearing plates by mechanical arm clamp, and are shipped.

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