1082 results about "Asphalt concrete" patented technology

The invention discloses an asphalt concrete pavement early crack detection method and system, and the method comprises the steps: S1, obtaining pavement three-dimensional point cloud data to form a texture image, recognizing a gray level change region, and marking the region as a suspected crack region as a first crack degree; s2, segmenting a suspected crack region through a deep learning model Mask R-CNN, determining a crack type, and measuring geometric parameters of the crack as a second crack degree; s3, in combination with historical data and environmental factors, the development trend and the damage degree of the crack are evaluated through a machine learning model to serve as a third crack degree; s4, establishing a crack detection mechanism, and recording and tracking the state change of the early asphalt concrete pavement crack; and S5, setting and comparing crack state evaluation thresholds, and performing early warning when the crack state evaluation thresholds exceed a threshold boundary mechanism. According to the invention, an early crack state tracking and early warning mechanism is realized, and the efficiency and quality of pavement maintenance work are improved.

Methods, apparatus, and storage medium for providing real-time asphalt density and / or moisture content prediction with ground penetrating radar. A method includes using raw data from a ground penetrating radar sensing an asphalt concrete at a location; processing the raw data to obtain processed data; determining an asphalt density of the asphalt concrete at the location based on the processed data according to an asphalt density prediction model; determining a compaction status of the asphalt concrete at the location based on the asphalt density and a target compaction threshold; and outputting the compaction status of the asphalt concrete at the location to an operator for determining whether to continue or stop compacting the asphalt concrete at the location. In another method, moisture content for cold recycling and existing asphalt concrete pavement is predicted in real-time from using raw from data of ground penetrating radar mounted on a vehicle.

The invention belongs to the technical field of pavement construction detection, and provides a municipal road asphalt concrete pavement construction detection method, which comprises the following steps: S1, installing a plurality of optical sensing devices, and collecting pavement images and spectral data in real time; s2, carrying out fusion processing on the collected data; s3, processing the three-dimensional data to generate a three-dimensional model of the road surface; s4, analyzing the image data, automatically identifying pavement defects and evaluating the severity of the pavement defects; s5, performing spectral analysis and fusing data to assist in judging the quality and uniformity of the material; s6, comparing a detection result with a design standard, and generating a construction quality evaluation report; according to the invention, construction detection is carried out by comprehensively applying an optical sensing technology and a data processing algorithm, the efficiency and quality of construction monitoring are improved, the maintenance cost is reduced, and the safety and durability of a road are guaranteed.

The present invention relates to a basalt fiber reinforced asphalt concrete, which includes: an asphalt material with a penetration grade between 40-300 at room temperature, selected from one of an asphalt mortar, an oil-soluble asphalt, an emulsified asphalt, and a modified asphalt; an aggregate having a first volume percentage between 50-80%; a basalt fiber reinforcement with a second volume percentage between 0.1-0.9%; and a chemical admixture for asphalt concrete used to adjust the properties of the basalt fiber reinforced asphalt concrete.

The invention relates to the technical field of concrete, and provides high-strength asphalt concrete and a preparation method thereof.The asphalt concrete is prepared from, by weight, 18-24 parts of asphalt, 8-16 parts of cement, 80-100 parts of gravel, 20-30 parts of cellulose ester derivatives, 40-50 parts of medium sand and 50-60 parts of mineral fine powder; the cellulose ester derivative comprises cellulose acetate phthalate and cellulose acetate, and the weight ratio of the cellulose acetate phthalate to the cellulose acetate is (1: 9)-(9: 1). According to the technical scheme, the problem of poor mechanical property of asphalt concrete in related technologies is solved.

The invention discloses an airplane wheel driving and rotating device, particularly relates to the technical field of airplane maintenance equipment, and aims to solve the technical problem that an existing airplane wheel driving and rotating device firstly drives and rotates airplane wheels and then performs a brake test, which is different from a real landing condition, and a real landing environment cannot be simulated. The device comprises a rack, a contact roller is installed on the rack, the contact roller is driven by a driving module installed on the rack to rotate, and an asphalt concrete layer is arranged on the outer side of the contact roller and used for simulating the pavement of an airplane runway. The invention provides an airplane wheel rotation driving device which can simulate a real braking environment, so that working state test data of an airplane wheel braking system can be closer to a real value, and powerful data theory support is provided for research of the airplane wheel braking system.

The utility model discloses an asphalt concrete fluidity detection device which comprises a bottom frame, one side surface of the bottom frame is fixedly connected with an integrated control box, one side surface of the integrated control box is movably connected with a limiting assembly, and the upper end of the limiting assembly is provided with a detection assembly. According to the utility model, the material carrying cylinder is placed in the placing groove of the bottom frame, and the sliding plate is lifted and pressed to the upper end of the material carrying cylinder, so that the three main frameworks are tightly buckled in the three positioning clamping grooves, and the three auxiliary frameworks are tightly buckled in the three positioning clamping grooves; the surface of one side of the connecting ring is attached to the surface of one side of the material loading barrel, the detection main rod is limited by the limiting ring and the limiting ball, it is ensured that the drop hammer vertically falls, a more accurate mobility test result is obtained, system errors and random errors caused by deviation are integrally reduced, and the detection accuracy is improved. The resistance applied to the asphalt mixture is uniform and consistent when the asphalt mixture passes through the asphalt mixture, so that the fluidity of the mixture is reflected more accurately.

The invention relates to the technical field of waste asphalt concrete recycling, in particular to a waste asphalt concrete recycling treatment device which comprises a crushing unit and an air screening unit, a mixed material is subjected to air screening through an air screening frame, the particle size of the mixed material is screened through a screening frame, and in the whole machining process, the waste asphalt concrete can be recycled. The main components of the powder collected in the collecting frame comprise sand powder and asphalt powder and are used for being mixed with other materials to form asphalt sand for use, the main components of the particles meeting the requirements of the discharging equipment comprise asphalt particles and stone particles and are used for being mixed with other particle materials to form an asphalt cold patch material for use, and the recycling rate of waste asphalt is increased.

The present disclosure relates to an asphalt concrete mixture comprising: 50% to 75% (w / w) of steel slag aggregates, wherein the size of the steel slag aggregates is up to 20 mm, measured by sieving; 15% to 30% (w / w) of reclaimed asphalt, wherein the size of the of reclaimed asphalt is up to 14 mm, measured by sieving; 10% to 20% (w / w) of natural stone aggregates and / or filler; and 2% to 4% (w / w) of virgin bitumen. Infrastructures comprising the described asphalt concrete mixture are also disclosed.

The invention provides a construction device and method based on real-time monitoring of an asphalt pavement. The method comprises the following steps: collecting a visual detection image after paving an asphalt mixture in a target construction area; all asphalt aggregate particles are extracted from the collected visual detection images, the particle size characteristics of all the asphalt aggregate particles are determined, and aggregate groups in different particle size ranges are obtained according to all the particle size characteristics; obtaining the static distribution quantity of each aggregate group, determining the static boundary information of all aggregate groups in the visual detection image, and further determining the paving uniformity of the target construction area according to the static boundary information and all the static distribution quantities; and dynamically adjusting the screw pitch and the spiral rotating speed of a spiral material distributing machine in the asphalt concrete paver during asphalt pavement construction through the paving uniformity. By the adoption of the scheme, in the construction process of the asphalt pavement, the paving uniformity of asphalt paving can be monitored in real time, the paving parameters can be automatically adjusted, and therefore the overall paving uniformity in the construction process is improved.

The invention relates to the field of road building materials, and particularly discloses recycled asphalt concrete and a preparation method thereof, and the recycled asphalt concrete comprises the following raw materials: a waste asphalt mixture, matrix asphalt, aggregate, mineral powder, hydroxyl modified polyester fibers, a polymer composite modifier, modified nano silicon dioxide and a regenerant; the preparation method comprises the following steps: preheating the waste asphalt mixture; mixing and preheating the aggregate and the mineral powder; preheating matrix asphalt and mixing the matrix asphalt with the preheated aggregate to prepare a primary mixture; preheating a regenerant, mixing with the primary mixture, and then mixing and stirring with the preheated waste asphalt mixture to obtain a mixture; mixing the hydroxyl modified polyester fiber, the polymer composite modifier and the modified nano silicon dioxide, and then stirring and mixing with the mixture to prepare the recycled asphalt concrete. The method has the characteristics that the later cracking problem of the recycled asphalt concrete is relieved, and the durability of the recycled asphalt concrete is improved.

The invention relates to the technical field of asphalt concrete, and discloses an anti-crack asphalt concrete material and a preparation method thereof. According to the asphalt concrete material disclosed by the invention, by adding the reinforcing filler and the composite aerogel, the crack resistance, the service life and the ultraviolet aging resistance of a matrix are remarkably improved; wherein the reinforcing filler is based on the synergistic effect among modified lignin, diatomite and hydrotalcite, the compatibility among modified lignin, diatomite and hydrotalcite is improved by utilizing a silane coupling agent, and the dispersity of the reinforcing filler in a matrix is improved, so that the crack resistance of the matrix is improved, the service life of the matrix is prolonged, and the ultraviolet resistance of the matrix is improved; the composite aerogel has excellent heat insulation performance and a three-dimensional network structure, and the crack resistance of the matrix can be improved through the synergistic effect.

The invention provides a half-excavation and half-filling whole reservoir basin seepage-proofing drainage type which comprises an asphalt concrete panel arranged along the peripheral side of a reservoir basin and a geomembrane laid at the reservoir bottom, and the asphalt concrete panel on one side of a reservoir bank is in lap joint with the geomembrane by arranging a reservoir bank concrete gallery. The asphalt concrete panel on the concrete faced rockfill dam is in lap joint with the geomembrane through the concrete connecting plate, and the asphalt concrete panel and the geomembrane are connected and fixed through the concrete connecting plate and the reservoir bank concrete gallery. The problem that a concrete panel adopted by a high dam is easy to extrude and damage and the defect that an asphalt concrete panel at the upper reservoir bottom of a high slag filling body is difficult to adapt to non-uniform deformation are overcome, and a new anti-seepage solution is provided for projects with complex terrain and geological conditions, high dam height, deep reservoir bottom filling and poor filling materials; by arranging the reservoir bank concrete gallery, the reservoir bottom concrete gallery and the forebay concrete gallery, a partition monitoring system is formed, the leakage defect part of the reservoir basin can be quickly and effectively identified, and the engineering operation safety is ensured.

The invention relates to the technical field of bridge pavement, in particular to a concrete bridge anti-crack bridge deck pavement structure and a pavement method. A high-elasticity modified asphalt mastic macadam concrete upper surface layer, a fiber non-wheel-sticking emulsified asphalt bonding layer, a fiber high-strength dense water asphalt concrete lower surface layer, a fiber non-wheel-sticking emulsified asphalt bonding layer, a high-toughness asphalt sand stress absorbing layer, a fiber waterborne epoxy anti-cracking waterproof bonding layer and a C50 fiber concrete anti-freezing and anti-cracking layer are sequentially arranged from top to bottom. The durability of the bridge deck pavement structure is improved, and the problem that the service life of the bridge deck pavement structure is short is solved.

The invention provides a composite protection structure suitable for underwater seepage prevention and explosion prevention of a concrete gravity dam and a preparation and construction method, and belongs to the technical field of engineering explosion prevention and seepage prevention. The composite protection structure comprises a reinforced concrete slab anchored on the outer surface of the gravity dam by a certain distance through an anchor rod; a reserved interlayer between the reinforced concrete slab and the outer surface of the gravity dam is filled to form an anti-seepage and anti-explosion composite layer; the anti-seepage and anti-explosion composite layer is formed by pouring hollow glass bead-asphalt concrete, and the hollow glass bead-asphalt concrete is prepared from asphalt concrete with modified hollow glass beads as filler; the modified hollow glass beads account for more than 15% of the asphalt concrete by volume, and the asphalt concrete has enough sealing gas for reflecting explosive shock waves and has the characteristics of seepage prevention and energy dissipation. The composite protection structure has anti-seepage and anti-explosion functions, the service life of the dam is prolonged, and the ability of the dam to resist sudden extreme working conditions is improved.

The invention discloses a road carbon emission evaluation method and system, and relates to the technical field of carbon emission evaluation, and the method comprises the following steps: S1, collecting the traffic flow data and environment data of a target road section in real time through a roadside sensing array; s2, constructing a road body carbon emission calculation model; s3, establishing a maintenance activity carbon emission compensation model; s4, constructing a driving behavior carbon emission correction model; s5, establishing a climate accumulation effect correlation model; and S6, generating a dynamic emission coefficient matrix, and establishing a carbon emission coefficient dynamic correction mechanism of different generations of vehicles. According to the method, the road body carbon emission calculation model is constructed, the unit mileage road maintenance carbon emission factor is dynamically generated, oxygenolysis carbon emission of the asphalt concrete material is considered, the influence of the road surface flatness on the vehicle rolling resistance is also taken into account, and therefore comprehensive and accurate accounting of the road carbon emission is achieved, and the calculation efficiency is improved. And the accuracy of the evaluation result is obviously improved.

The invention provides low-temperature-resistant high-modulus rubber asphalt and a preparation method thereof, and relates to the technical field of rubber asphalt, and preparation raw materials of the low-temperature-resistant high-modulus rubber asphalt comprise the following components: matrix asphalt, rubber powder, a desulfurizer, a free radical type thermal initiation crosslinking agent, a reinforcing agent, a coupling agent, a flexibilizer, a viscosity reducer and an auxiliary agent. According to the low-temperature-resistant high-modulus rubber asphalt provided by the invention, the ductility at 5 DEG C is greater than 30cm, the maximum breaking flexural-tensile strain of a mixture at-10 DEG C is greater than 4000 mu epsilon, the dynamic modulus of the mixture at 15 DEG C is greater than 15000MPa, and the high-temperature performance and modulus of high-modulus asphalt concrete are not reduced while the crack resistance of the high-modulus asphalt concrete is helped to be improved. When being applied to pavement middle layer pavement, the pavement anti-cracking agent can improve the anti-cracking performance of the whole pavement structure, reduce the pavement maintenance cost and improve the driving safety.

The utility model discloses a waste gas treatment device for asphalt concrete production, which comprises a gas inlet pipe, a switching assembly is arranged on the side surface of the gas inlet pipe, a dust removal assembly is arranged on the side surface of the switching assembly, a disinfection assembly is arranged on the side surface of the dust removal assembly, and the dust removal assembly comprises two dust removal boxes. Filter screens are inserted into the two dust removal boxes, and the split pipes are fixedly connected corresponding to the dust removal boxes and are communicated with the interiors of the dust removal boxes. According to the waste gas treatment device for asphalt concrete production, the position of a baffle is changed, a gas inlet pipe is communicated with another split pipe, gas is treated through a filter screen on the other side, then fixation of a nut is removed, the filter screen is taken down through a fixing plate, the taken-down filter screen is cleaned and then put back, in the process, through switching of a dust removal box, the dust removal efficiency is improved, and the dust removal efficiency is improved. The equipment does not need to be stopped when the filter screen is replaced, and the energy consumption required by starting and stopping large-scale equipment is reduced.

The present invention relates to the technical field of pavement materials, and particularly relates to a high-performance asphalt concrete pavement material and a preparation method thereof. The formula of the pavement material includes asphalt, high melt index SBS, fine aggregate, coarse aggregate, fly ash, water reducer, low-temperature anti-cracking agent and anti-freezing agent. Among them, the preparation method of the low-temperature anti-cracking agent includes stirring and melt spinning of homopolypropylene, nano-silicon carbide and low melt index SBS to obtain the low-temperature anti-cracking agent. By optimizing the ratio and adding specific components, the material has good low-temperature anti-cracking performance, anti-freezing performance and anti-stripping performance. The high-performance asphalt concrete pavement material provided by the present invention is expected to be applied to highway engineering and road construction fields in low-temperature regions.

The invention relates to the technical field of asphalt concrete paving, in particular to a large-thickness paving device for large-particle-size permeable asphalt concrete.The large-thickness paving device comprises a box body, the bottom of the box body is obliquely arranged, a shell is fixedly installed at the rear end of the box body, and a rectangular hole communicating with the interior of the shell is formed in the side wall of the box body; a rotating shaft is horizontally and rotatably installed in the shell, auger blades are symmetrically and fixedly connected to the rotating shaft in a sleeving mode, a plurality of discharging openings communicated with the interior of the shell are formed in the lower surface of the shell, a driving shaft is rotatably installed at the upper end of the shell, and a driving motor is fixedly installed at the upper end of the shell. An output shaft of the driving motor is fixedly connected with the driving shaft, and a transmission assembly used for driving the rotating shaft to rotate is arranged on the shell. Due to the arrangement of the multiple discharging openings, asphalt concrete can be uniformly paved on a pavement, after the pavement is ironed and compacted, the compactness and flatness of the pavement are guaranteed, and the overall quality of the pavement is effectively improved.

The invention relates to the technical field of concrete, and discloses a preparation method of high-strength concrete, which comprises the following steps: adding epoxy resin emulsion, cationic emulsified asphalt, aminopropyl acrylamide cardanol-based polystyrene and the like into water, shearing and dispersing, then adding cement, sand, fly ash and the like, stirring and mixing uniformly, vibrating and defoaming, curing and curing to obtain the high-strength concrete. The high-strength concrete is obtained. The aminopropyl acrylamide cardanol-based polystyrene disclosed by the invention contains an active imino group, can be subjected to a curing cross-linking reaction with epoxy resin to play a very good reinforcing role, and contains an alkenyl group, so that the aminopropyl acrylamide cardanol-based polystyrene can be subjected to a cross-linking reaction with unsaturated double bonds of asphalt at a high temperature to play a very good reinforcing role. The aminopropyl acrylamide cardanol-based polystyrene improves the compatibility between the epoxy resin and the cationic emulsified asphalt, improves the mechanical properties of the epoxy asphalt concrete, and shows higher axial compressive strength and compressive elastic modulus.

The utility model belongs to the technical field of asphalt concrete face rock-fill dams, and discloses an asphalt concrete face heat preservation structure which is arranged between the dam top and the reservoir bottom of a dam and comprises an asphalt concrete face and a heat preservation layer which are sequentially laid on dam filling materials, and the heat preservation layer comprises a light frame and a plurality of heat preservation units. The light frame is provided with a plurality of containing cavities, the heat preservation units are clamped in the containing cavities, and fixing structures are arranged at the end, located at the dam crest and the end, located at the reservoir bottom, of the heat preservation layer. Heat preservation of the asphalt concrete panel is achieved by laying the light frame and the heat preservation unit on the asphalt concrete panel, construction is convenient and fast, the construction period is short, and the standardization degree is high; the stability of the overall structure of the heat preservation layer can be improved, meanwhile, the circumferential direction of the heat preservation unit can be fixed, and deformation of the heat preservation unit is effectively prevented; and the thermal insulation layer can be replaced conveniently when being damaged.

The invention relates to the field of material science, and discloses an asphalt concrete pavement segment joint anti-cracking method and system based on an odor removal technology, and the method comprises the steps: fitting a pavement segment joint model of a segment joint; analyzing a damage area and a fracture area of the pavement segment joint model, and analyzing a material stiffness modulus and a material relaxation modulus of the asphalt concrete; constructing a viscoelastic damage model of the asphalt concrete, calculating the viscoelastic damage coefficient of the asphalt concrete, and analyzing the asphalt viscoelasticity of the asphalt concrete; fitting a crack analysis model of the segment joint, and simulating pavement damage evolution of the segment joint; mixing the chemical additive and the asphalt concrete, and analyzing the viscosity effect of the geotechnical mixed material; and determining the optimal elastic modulus of the geotechnical mixed material, analyzing the anti-cracking effect of the geotechnical mixed material, and executing the anti-cracking scheme of the corresponding section joint of the asphalt concrete pavement. The anti-cracking effect of the asphalt concrete pavement segment joint can be improved.

The invention provides an asphalt concrete CT image segmentation prediction method based on semantic segmentation. According to the method, an asphalt concrete CT image segmentation off-line database is established based on CT scanning and digital image processing technologies, then an AEU-net neural network model is developed based on semantic segmentation, an attention mechanism and a supervised learning theory, and finally the AEU-net neural network model is trained by adopting the off-line database to obtain an AEUnet-DIP proxy model. According to the method, the efficient mapping capability of the neural network model is fully utilized, the aggregate phase morphological information of the asphalt concrete CT image is accurately extracted, and the problems of low efficiency, weak universality, wrong segmentation and the like of an existing digital image processing method are effectively solved.

The invention discloses a pavement adaptive to a magnetic resonance type dynamic wireless charging system as well as a construction process, a lane and application of the pavement, and belongs to the field of road engineering and road infrastructures. The pavement comprises a lower surface layer, a middle surface layer and an upper surface layer, wherein an input power line of the magnetic resonance type dynamic wireless charging system is distributed on the surface of the middle surface layer, and then a synchronous broken stone sealing layer is adopted to ensure that the input power line is completely embedded; the middle of the upper surface layer is made of pouring asphalt concrete, and two sides are made of wear-resistant asphalt concrete; a transmitting coil of the magnetic resonance type dynamic wireless charging system is embedded in the pouring type asphalt concrete, and the transmitting coil is connected with an input power line. The mechanical compatibility performance of the transmitting coil and the road surface is improved through the special road surface design, the charging efficiency is greatly improved by cooperating with the control system to optimize electric energy input, wireless charging of the vehicle in the high-speed advancing process is finally achieved based on the magnetic resonance coupling principle, and the wireless charging device has the convenient construction technology and the excellent road performance.

The invention discloses green low-carbon high-rutting-resistance asphalt concrete and a preparation method thereof, and relates to the technical field of asphalt concrete. The technical scheme is as follows: RAP accounts for 30-40% of the mass of a new aggregate, 53-65 parts of the new aggregate, 3.2-4.1 parts of new asphalt, 4-6 parts of mineral powder, 0.3-0.4 part of high-density oxidized polyolefin, 0.05-0.1 part of a drying agent, 0.05-0.1 part of a lead salt stabilizer, 0.05-0.1 part of an auxiliary agent, 1.5-3 parts of reactive polyurethane, 3-6 parts of a polyester modifier, 0.5-2 parts of a silane coupling agent, 0.1-0.5 part of an antioxidant and 0.5-2 parts of a dispersing agent. Through the synergistic effect of high-density oxidized polyolefin and reactive polyurethane, the performance of aged asphalt in RAP is improved, the rutting resistance of asphalt concrete is improved, VOC emission is reduced, the sustainability of the material is enhanced, the long-term durability is improved, and the service life of a road is prolonged.

The invention discloses a graphene composite modified asphalt concrete material for an ultrathin overlay and a preparation method, and belongs to the technical field of asphalt concrete. Comprising 70 to 85 parts of petroleum asphalt, 18 to 25 parts of activated rubber powder, 1.5 to 2.5 parts of an SBS modifier, 0.15 to 0.25 part of a stabilizer, 0.1 to 0.3 part of an auxiliary agent, 0.5 to 1 part of PVDF, 0.5 to 1 part of modified basalt fiber, 0.6 to 1 part of graphene oxide powder and 0.3 to 1 part of ceramic powder. The preparation method comprises the following steps: mixing PVDF, modified basalt fiber, graphene oxide, ceramic powder and an auxiliary agent, uniformly dispersing, adding petroleum asphalt and an SBS modifier, and fully stirring; the materials are subjected to high-temperature and high-pressure colloid over-grinding, and after over-grinding is sufficient, activated rubber powder is added for over-grinding again; finally, a stabilizer is added for development, and the graphene composite modified asphalt concrete material is prepared after development is finished. The concrete material has super-strong oil film binding power and excellent high-temperature stability, denaturation resistance and dynamic stability, and can meet the requirements of heavy traffic.

The invention discloses modified asphalt concrete and a preparation method and application thereof, and belongs to the technical field of asphalt concrete.The preparation method comprises the steps that sodium silicate, sodium hydroxide and water are stirred and mixed and then transferred into a stirring machine to serve as an alkali activator, and then fly ash, electrolytic manganese residues, cement, modified sugarcane fibers and fine sand are added into the stirring machine to be stirred and mixed; vibrating to discharge internal gas, standing, demolding and crushing to obtain geopolymer aggregate; the modified asphalt, the geopolymer coarse aggregate and the basalt fine aggregate are stirred and mixed in proportion, and the modified asphalt concrete is obtained; the geopolymer aggregate takes the electrolytic manganese residues and the fly ash as main raw materials, the utilization rate of waste resources is increased, and the modified sugarcane fibers are doped, so that the mechanical property of the geopolymer can be improved, and the application requirements of asphalt road aggregate are met. And compared with addition of steel fibers and polymer fibers, the sugarcane fibers are degradable and more environmentally friendly, and dismantling and recycling of temporary asphalt roads are facilitated.

The invention discloses a heating energy-storage snow-melting anti-cracking pavement structure system for a road. The system comprises a heat-conducting anti-cracking modified asphalt concrete surface layer, a temperature-adjusting emulsified asphalt macadam layer, a heating anti-cracking steel wire reinforced net, a heat-conducting anti-cracking asphalt concrete bottom layer, an energy-storage cement stable base layer, a PLC (Programmable Logic Controller), an energy storage battery, a solar panel and a temperature sensor. Through the heating function of the heating device, the whole road surface is heated, the road surface is uniformly heated, snow accumulation and icing on the road surface are prevented, and the ice and snow removing cost is reduced; the copper-plated steel fibers are added to the surface layer and the bottom layer of the asphalt concrete, so that the conductivity of the asphalt concrete is improved, and the heat-conducting capacity of the asphalt concrete is enhanced; graphite powder in the temperature-adjusting emulsified asphalt macadam layer has better uniform heat conduction performance, so that the emulsified asphalt macadam layer can form a uniform ultrathin heat conduction'panel '; a certain proportion of paraffin is added into the cement-stabilized base layer, the paraffin releases heat in a low-temperature state, and cracking caused by icing of water in the cement-stabilized base layer is prevented.

The utility model relates to the technical field of bridge expansion and reconstruction, and discloses a bridge widening corrugated plate splicing structure which comprises a corrugated plate, the corrugated plate connects an old bridge with a steel-concrete composite beam through a connecting piece, the corrugated plate is located between the old bridge and the steel-concrete composite beam, the upper portion of the corrugated plate is filled with asphalt concrete, and the lower portion of the corrugated plate is filled with concrete. The top face of the asphalt concrete is flush with the top face of the old bridge and the top face of the steel-concrete composite beam. The corrugated plate is spliced between the old bridge and the steel-concrete composite beam, the upper portion of the corrugated plate is filled with the asphalt concrete so that the plane of the corrugated plate can be flush with the old bridge and the steel-concrete composite beam, the asphalt concrete and the corrugated plate bear additional internal force generated by the settlement difference of the new bridge and the old bridge together, and the crack resistance of the connecting structure at the splicing position can be effectively improved.