1927results about "Bridge repair" patented technology

The invention discloses a construction method and a construction system for bridge joist pier replacement, and relates to the technical field of bridge construction.The construction method comprises the following steps that gate-type pier studs are arranged on the two sides of a to-be-replaced pier, two steel cover beams are arranged on the corresponding gate-type pier studs in the longitudinal direction of a bridge, and a sliding structure is arranged on the two steel cover beams; temporary supporting pieces are arranged on the two steel cover beams, and the bridge superstructure is supported through the temporary supporting pieces; a pier cap of the to-be-replaced pier is cut off, the pier cap is moved out through a sliding structure, and the steel coupling beam is moved to the position where the original pier cap is located through the sliding structure; and supporting the upper structure of the bridge by using the steel coupling beam, and removing the temporary supporting piece to complete pier replacement. According to the construction method, in the joist pier replacement process, the connection stability is high, the construction method is simple, and the construction efficiency and safety are ensured.

The invention relates to the field of intelligent transportation systems, discloses an intelligent highway maintenance system and method, and aims to solve the fundamental defects that in the prior art, the data acquisition dimension is single, the maintenance decision depends on artificial experience, and prospective prediction is lacked. The method comprises the following steps: acquiring multi-modal dynamic sensing data covering a whole road domain; constructing and updating a four-dimensional space-time digital twinborn model in real time; driving the causal graph neural network model to perform structure health state prediction and diagnosis; generating an active maintenance instruction through a multi-objective optimization engine; and the autonomous maintenance execution unit is dispatched to complete unmanned closed-loop operation. According to the method and the system, fundamental transformation of road maintenance from passive response to active prevention, from artificial experience to intelligent decision making and from discrete operation to closed-loop automation is realized, and the maintenance efficiency, the safety and the health level of the whole life cycle of the road are remarkably improved.

The present invention relates to a satellite monitoring method for detecting structural anomalies of a bridge by means of permanent scatterers of a first (IA) and a second (ID) satellite radar images time series, corresponding to opposite ascending and descending satellite orbital geometries along an axis of a satellite reference system. The method comprises a step A of selecting a common subset of permanent scatterers (PSP), a step B of temporal alignment of the time series, a step C of linear interpolation of the time series, a step D of defining a local mobile reference system M-LCRS of the bridge, a step E of projecting the time series in an END reference system, a step F of projecting the time series in the M-LCRS system, a step G of spatial averaging among the permanent scatterers of the common subset of the time series, a step H of processing according to a trendseasonal decomposition STL-LOESS method, and a step I of comparing with predefined thresholds for detecting structural anomalies.

The invention relates to an intelligent permeation grouting process and device for concrete crack self-repairing. The intelligent permeation grouting process and device are suitable for crack detection and repairing of a newly-built concrete structure. The device comprises a blood vessel network embedded into concrete, a crack detection sensor, a control module, a pumping module and a self-repairing material storage module, and automatic detection and repairing of cracks are achieved. The technological process comprises crack detection, data analysis, grouting parameter determination, material injection and repair monitoring. Through the automation and intelligence technology, the repairing efficiency and precision are remarkably improved, and the device is suitable for large structures such as bridges and tunnels.

The utility model discloses an anti-scouring device for a river bridge pier, which relates to the technical field of bridge engineering and comprises a bottom support hoop, a first arc-shaped protective cover, a first mounting plate and a second arc-shaped protective cover, and one end of the top of the bottom support hoop is fixedly connected with the first arc-shaped protective cover. First mounting plates are fixedly connected to the two ends of the top and the two ends of the bottom of the first arc-shaped protection cover correspondingly, a second arc-shaped protection cover is slidably connected to the other end of the top of the bottom supporting hoop, and second mounting plates are fixedly connected to the two ends of the top and the two ends of the bottom of the second arc-shaped protection cover correspondingly. According to the bottom supporting hoop, the first arc-shaped protection cover, the first mounting plate and the second arc-shaped protection cover, the bridge pier is protected on the basis of buffering water flow, and therefore the problem that an existing river channel bridge pier anti-scouring device cannot buffer the water flow, and the anti-scouring effect is poor is solved.

The invention relates to the technical field of bridge engineering, in particular to an in-service steel bridge U rib and top plate crack double-face welding repairing method and application thereof. The method comprises the steps that the position of a crack is determined, a bridge deck pavement layer above the crack is removed, and the surface of a bridge deck slab in a crack area is cleaned; flattening the bridge deck slab on the two sides of the crack, and fixing the flattened bridge deck slab; u-rib internal welding construction process holes are formed; u rib inner welding reinforcing welding and weld leg increasing welding are carried out in an inner corner area where the U rib with the cracks is connected with the top plate; sealing and repairing the construction process hole; carrying out carbon arc air gouging on the crack above the bridge deck slab, and forming a gouging groove in the bridge deck slab; and polishing and multi-layer and multi-pass welding are carried out on the planed groove. The method is fused with an internal welding technology, is a comprehensive repair scheme with root treatment, double reinforcement, controllable deformation and reliable quality, thoroughly overcomes the technical defects of treatment of symptoms, no treatment of root causes, easy secondary damage, poor reliability and the like in the prior art, and remarkably prolongs the service life and the safety performance of the in-service steel bridge.

The invention relates to the technical field of steel-concrete composite beams, and discloses a steel-concrete composite beam bridge deck reinforcing device which comprises a sealing plate, a first hydraulic cylinder, a first supporting plate, a first polished shaft, a second supporting plate, a first support, a first rotating arm and a second hydraulic cylinder. In the using process, when one side of the top face of the web beam is subjected to overload pressure, the second supporting plate on the same side can be pressed downwards, then the first supporting plate on the same side is made to move downwards, and therefore the moving ends of the first hydraulic cylinders on the same side are made to return. And at the moment, hydraulic oil in the rodless cavities of the first hydraulic cylinders on the same side can enter the rodless cavities of the second hydraulic cylinders on the same side, and then the moving ends of the second hydraulic cylinders on the same side stretch out. And then, under the support of the first support on the same side, the first rotating arms on the same side can deflect towards the direction of the web beam. Due to the fact that hydraulic pressure is adopted as a power source, enough supporting force can be provided for the bottom face and the two side faces of the web beam, and then the anti-overturning performance is improved.

The invention relates to the technical field of bridge crack repairing, in particular to a bridge beam plate curing and reinforcing device which comprises a glue injection barrel, a glue injection opening and a glue pouring opening are formed in the glue injection barrel, a piston and an elastic piece are arranged in the glue injection barrel, the elastic piece pushes the piston to extrude repairing glue liquid to enter a crack, and an adjusting assembly is further arranged in the glue injection barrel. The adjusting assembly enables the force of the elastic piece for pushing the piston to be increased compared with the force of previous pushing, the repairing glue solution overcomes blockage in the crack and can permeate into the deepest position of the crack, and the multiple locking rods are arranged, so that the force of the elastic piece for pushing the piston each time is larger than the force of pushing the piston last time, and the repairing quality is improved. Therefore, the pushing force of the piston to the repairing glue solution is gradually improved, the glue solution in the crack can be ensured to be densely and uniformly distributed, the repairing quality problem caused by non-uniform flowing of the glue solution subsequently is avoided, and the strength after repairing is improved.

The invention relates to the technical field of beam bridge splicing, in particular to a large-span concrete continuous beam bridge splicing construction method based on intelligent construction. The method comprises the following steps: acquiring digital modeling data of a left bridge and a right bridge to be spliced; analyzing the digital modeling data, and determining the dynamic stress distribution of the whole construction process; acquiring deformation monitoring data in real time, analyzing the deformation monitoring data, and determining a coordinated deformation rule of the left and right bridges; and generating a splicing construction scheme according to the dynamic stress distribution and the coordinated deformation rule. And the decoupling problem of a digital model and a physical entity is eliminated. The problem of stress control blind areas is solved, stress space-time evolution is quantified, it is ensured that stress prediction covers all stages of construction, and the blind areas of a conventional static model are avoided. The problem of quantitative deficiency of the coordination deformation rule is solved, and the defect of neglecting the deformation coordination is avoided. The problem of construction decision lag is solved, the structural damage probability and temperature cracks are reduced, and coupling of construction execution and a physical mechanism is ensured.

The invention belongs to the technical field of asphalt stirring, and discloses an asphalt stirring device based on road and bridge pothole filling, the asphalt stirring device comprises a base, a stirring and scraping mechanism is arranged above the base, the stirring and scraping mechanism comprises a mixing tank, asphalt is fully stirred through the stirring and scraping mechanism, and through a sleeve in the stirring and scraping mechanism, the stirring and scraping mechanism is driven to rotate; according to the double-shaft driving design of the rotating pipe, an efficient and synergistic stirring and scraping system is constructed, the inclined face of an arc-shaped scraping plate is attached to the inner wall of the mixing tank and matched with a wear-resistant ceramic coating, adhered asphalt is scraped in real time in the rotating process, meanwhile, the rotating pipe synchronously rotates, radial stirring is achieved through external stirring blades of the rotating pipe, and a spiral lifting piece pushes bottom asphalt to axially flow; by matching with the turbulent flow effect of the U-shaped heat conduction pipe, the asphalt forms a three-dimensional flow field in the tank, an auxiliary agent and the asphalt are fully fused, the problem of non-uniform mixing caused by traditional single-dimension stirring is solved, the stable performance of the asphalt is guaranteed, and a basic support is provided for crack resistance and water damage resistance after pavement filling.

The invention discloses a combined type cable deicing device and method.The combined type cable deicing device comprises a cable sliding box and a combined type deicing device body, the combined type deicing device body comprises an ultrasonic deicing module, a mechanical deicing module and an electric heating ice melting module, and the mechanical deicing module comprises a rotating base assembly and a rotating driving disc; the rotary base assembly is fixed in front of the cable sliding box through a connecting frame, a motor is installed on the rotary base assembly, a cutter base is installed on the front side of the rotary driving disc, at least one deicing blade is installed on the cutter base, and an electric heating ice melting module is installed on the rear side of the rotary driving disc; a power module electrically connected with the ultrasonic deicing module, the motor and the electric heating ice melting module is arranged in the cable sliding box. The detection processing system obtains the state of the icicles in front, the controller controls the ultrasonic deicing module, the mechanical deicing module and the electric heating ice melting module to work independently or / and work intensity in a combined mode, and the most suitable deicing operation mode can be adopted according to different icicles.

The invention discloses an asphalt pavement crack repairing method based on laser fusion and a crack filling material thereof. The asphalt pavement crack repairing method comprises the following steps that S01, asphalt pavement cracks are accurately detected; s02, the asphalt crack is preprocessed, and parameters of an asphalt pavement material are determined; s03, parameters of a joint filling material are determined; s04, performing laser simulation on the asphalt pavement; s05, joint filling materials are evenly added into the cracks; and S06, performing laser fusion on the asphalt crack. According to the repairing method, the heat energy can be accurately controlled through laser, it is ensured that the crack is repaired under the condition that surrounding asphalt is not damaged, accurate parameter adjustment of different cracks is achieved, a more efficient, more accurate and environment-friendly asphalt crack repairing scheme is provided, repairing is rapidly completed, and the traffic closing time and the construction time are shortened.

The invention provides a galvanized bridge steel wire winding device, and relates to the technical field of bridge construction equipment, the galvanized bridge steel wire winding device comprises a connecting seat, a clamping device I, a connecting guide rail, a separable winding mechanism, a walking device and a clamping device II; the device has the advantages of being reasonable and simple in structure, low in production cost, convenient to install and complete in function, stable fixation of the device and a bridge main cable can be achieved through the synergistic effect of multiple clamping structures, the situation that the device shakes or is separated from the main cable in the operation process is effectively avoided, operation safety is guaranteed, winding uniformity of galvanized steel wires is guaranteed, and the service life of the device is prolonged. The protection effect of the main cable is improved; the winding mechanism capable of being separated and combined is adopted, the opening and closing state of the winding mechanism can be flexibly adjusted in cooperation with a specific driving structure, the device can adapt to bridge main cables with different diameters, frequent replacement of assemblies or adjustment of the overall structure is not needed, operation is convenient and fast, consumed time is short, and meanwhile the installation difficulty of winding operation of the middle section of the bridge main cable is reduced.

The utility model relates to a mounting type arch bridge main arch ring maintenance operation platform which comprises a walking system, a suspension system, a platform system and a platform lifting system. The walking system is provided with walking trolleys on the top faces of the two sides of the main arch ring respectively and can walk along rails arranged on the main arch ring, the suspension system is suspended on the two walking trolleys through a cantilever beam, platforms on the two sides of the platform system are located on the two sides of the main arch ring respectively, a lower platform is located below the main arch ring, and a winch of the lifting system is arranged on the suspension system. And the side platform and the lower platform are connected through a traction rope. The main arch ring maintenance platform is directly hung on a main arch ring and walks along the main arch ring, bridge floor traffic can be prevented from being affected, and constructors can carry out all-directional maintenance operation on the main arch ring on the platform.

The invention discloses a high-efficiency cable intelligent control method and system for a steel box truss arch bridge, and the method comprises the steps: 101, sampling the tensioning force of all cables according to a preset sampling period, generating the tension time sequence data of all cables, dividing the tension time sequence data of each cable into a plurality of main windows, each main window is divided into a plurality of sub-windows; 102, sub-windows in each main window are divided into static state sub-windows and dynamic state sub-windows, and the main windows with the number of the dynamic state sub-windows exceeding a dynamic number threshold value serve as dynamic section main windows; and step 103, judging whether each dynamic state sub-window in the dynamic section main window has cable drift or not, and if the cable drift occurs, adjusting the cable.

The invention relates to the field of buildings, in particular to an externally-reinforced concrete-filled steel tube column and a peak bearing capacity calculation method, and the externally-reinforced concrete-filled steel tube column comprises a steel tube and core concrete located in the steel tube; a UHPC layer is poured on the outer ring of the steel pipe, the section of the outer ring of the UHPC layer is square, and the center line of the UHPC layer coincides with the axis of the steel pipe. Stirrups located on the outer ring of the steel pipe are embedded in the UHPC layer, and longitudinal steel bars are arranged on the inner ring of the stirrups in the vertical direction. The invention provides an external reinforcement type concrete filled steel tubular column. The method can reinforce the concrete filled steel tube with the annular void area, so that the actual bearing capacity of the concrete filled steel tube exceeds the original design value level. The invention further provides a method for calculating the peak bearing capacity of the externally-reinforced concrete-filled steel tube column, the peak bearing capacity of the reinforced concrete-filled steel tube can be quantitatively evaluated, and a theoretical basis is provided for subsequent use and maintenance of the concrete-filled steel tube.

The invention discloses a high-performance concrete repairing material, application and a concrete structure repairing method, and belongs to the technical field of concrete structure repairing. The high-performance concrete repairing material is prepared from Portland cement, rapid hardening cement, an inert mineral admixture, an early strength agent, a submicron mineral admixture, a nano material, an anti-freezing binder, fibers, a retarder, a volume compensating agent, fine aggregate, coarse aggregate, a water reducing agent, a defoaming agent and water. Through the interaction of all the components, the functions of early strength, volume stability, freezing resistance, salt freezing resistance, fracture resistance, shrinkage resistance and the like are achieved, through the synergistic effect of all the components in the material, the overall performance of the material is improved, and the material has excellent adaptability and multifunctionality under different environmental conditions; therefore, long-term stable guarantee is provided for application in various damage scenes, and the proportion of each component of the material can be adjusted according to actual requirements of concrete structures so as to meet efficient repair in different damage scenes.

The anti-deformation bridge steel structure comprises a bridge steel structure body, four first clamping grooves are annularly formed in the inner wall of the bridge steel structure body, openings are formed in the front sides and the rear sides of the first clamping grooves, reinforcing plates are movably installed in the first clamping grooves in a clamped mode, and a cylinder is arranged in the bridge steel structure body; through cooperation of the reinforcing plates and the cylinders, the interior of the bridge steel structure body is supported, and the four reinforcing plates are sleeved with the cylinders in a sliding mode. Through the arrangement of a series of structures, the interior of the bridge steel structure main body can be reinforced and supported through the four reinforcing plates and the cylinders, the anti-deformation effect can be effectively achieved in cooperation with injected structural adhesive, and the four reinforcing plates can be adjusted according to the inner diameter of the bridge steel structure main body; and the device can be suitable for bridge steel structure bodies with different inner diameters, manual cutting operation is not needed, the application range is widened, and the use flexibility is improved.

The invention relates to the technical field of bridge engineering maintenance decision, and discloses a bridge maintenance decision method based on big data. The method comprises the steps of collecting bridge monitoring data through a sensor network, performing hierarchical processing on an original data stream, identifying and packaging abnormal fluctuation, trend change and a periodic mode, and forming a structured health event sequence. And dynamically constructing and updating the digital sign profile of the bridge in combination with the design parameters and the material degradation model. And when a decision is triggered, simulating a performance evolution path under multi-factor coupling based on the profile, generating a future maintenance scene set, and matching and assembling a preliminary plan from historical cases and the knowledge graph. And outputting a final maintenance instruction list sorted according to priorities by performing resource and time coupling analysis and multi-target tradeoff on all plans. According to the method, deep analysis and prospective simulation of the bridge state are realized, and the intelligence, accuracy and performability of maintenance decision making are improved.

The invention provides a beam replacing machine for dismantling and replacing a railway simply-supported T-beam under the railway operation condition, and the beam replacing machine is characterized in that a main beam is provided with two crane carriages which are mounted on the main beam and move along the main beam; the number of the main supporting legs is two, the main supporting legs comprise two C-shaped half supporting legs, the tops of the two half supporting legs are hinged to the left side and the right side of the main beam respectively, and the two half supporting legs can be driven by the folding mechanism to horizontally rotate till the two half supporting legs are folded with the main beam; telescopic stand columns are arranged in the two half supporting legs; the left sides and the right sides of the two walking wheel sets are hinged to the bottoms of the two C-shaped half supporting legs correspondingly, and the walking wheel sets are used for driving the whole beam changing machine to walk. The number of the auxiliary supporting legs is two, and the auxiliary supporting legs are provided with overturning mechanisms used for controlling the auxiliary supporting legs to be integrally and vertically overturned to be parallel to the main beam and lifting mechanisms used for controlling the auxiliary supporting legs to be integrally lifted up and down. The beam replacing device has the advantages of simple structure, convenience in operation, short beam replacing construction period and the like.

The utility model relates to the technical field of bridge reinforcement, and discloses a bridge hollow slab girder reinforcement structure and a bridge, which comprises a plurality of hollow slab girders arranged side by side, a plurality of webs are arranged in each hollow slab girder, the bottom surface of each hollow slab girder is provided with longitudinal reinforcers, the number of the longitudinal reinforcers is equal to that of the webs, and the longitudinal reinforcers are in one-to-one correspondence with the webs. The longitudinal reinforcements are arranged in the longitudinal direction of the bridge and comprise upper-layer sticky steel plates and lower-layer sticky steel plates, and the upper-layer sticky steel plates are located between the hollow slab girders and the lower-layer sticky steel plates; the transverse reinforcements are arranged in the transverse direction of the bridge, and all the longitudinal reinforcements are located between the transverse reinforcements and the hollow slab girders. According to the utility model, the problem that a bridge with high requirement on the strength of a reinforcing structure cannot be stably reinforced by a sticky steel plate reinforcing structure in the prior art is solved.

The invention discloses a municipal bridge anti-seismic reinforcing structure and a construction method, and relates to the technical field of municipal engineering.The municipal bridge anti-seismic reinforcing structure comprises a base fixed to the top of a pier, a top plate fixed to the bottom of a bridge and a supporting column located between the base and the top plate, and the bottom of the supporting column is fixed to the base through a shearing bolt; the shear bolts are fractured, so that the supporting columns slide on the base, and shock isolation is carried out between the pier and the bridge; the bottom of the arc-shaped seat is in contact with the top of the supporting column and is an arc-shaped contact surface, and vibration force acting on the bridge drives the arc-shaped seat to swing at the top of the supporting column, so that the vibration force is counteracted by utilizing gravitational potential energy of the arc-shaped seat and friction force between the arc-shaped contact surfaces. Through arrangement of the memory alloy, the arc-shaped seats, the copper plates and the supporting columns, the shock resistance of the structure is effectively improved.

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.

The utility model provides a T-shaped component structure used for repairing cracks at a welding seam of a steel bridge deck cover plate and a U-shaped rib, which comprises a steel bridge deck, the steel bridge deck comprises the cover plate, the U-shaped rib is welded below the cover plate, a part of the cover plate at a fatigue crack position on the steel bridge deck and a part of U-shaped rib side web plate connected with the part of the cover plate are cut off to form a mounting hole, and the U-shaped rib is welded below the mounting hole. A T-shaped component is mounted on the mounting hole, the T-shaped component comprises a flange plate welded with the edge of the cover plate on the mounting hole, and an inclined web plate welded with the edge of the U-shaped rib side web plate on the mounting hole is arranged on the plate surface of one side of the flange plate. The structure is reasonable, construction is convenient and fast, the problem of crack fatigue at the position of the orthotropic steel bridge deck slab cover plate and the U rib is effectively solved, the service life of the steel box bridge deck slab is prolonged, and the fatigue problem of the steel box bridge deck slab is reduced.

To provide a hydraulic composition that can be applied, e.g., to a small and medium-scale anchor element fixing work and an extensive crack repair work, that makes it possible to always prepare a curable paste of the same quality by uniformly mixing and kneading the hydraulic composition and water in a short period of time by a simple method, and that can be used to fix an anchor element in a drilling hole or repair a wide range of cracks using a hardening paste, as well as to provide a curable paste construction method using the same.SOLUTION: A hydraulic composition C1 comprises a hydraulic component containing Portland cement, alumina cement and a quick-setting agent; a viscosity regulator; a coagulation regulator; and a fine aggregate. A curable paste application method comprises a step of absorbing water W into the water-curable composition C1 to agglomerate it; a step of putting the agglomerate Ca into the cylinder cartridge 300; a step of discharging curable paste C2 which is a mixture of curable composition C1 and water W to the construction site; and a step of curing the curable paste C2.SELECTED DRAWING: Figure 1

The invention relates to a bridge bent cap dismantling construction method, and belongs to the technical field of bridge reconstruction and extension construction. The method aims at solving the technical problems that a traditional dismantling process is low in efficiency and high in safety risk, and a reserved structure is prone to being damaged. According to the technical scheme, the method comprises the steps that cutting, blocking and hoisting equipment is planned according to the size and weight of the bent cap; a diamond wire sawing machine is adopted for cutting, and lifting force is continuously applied by hoisting equipment in the whole cutting process; construction is carried out according to the sequence that a bent cap main body part between the pier columns is cut off firstly, then a supporting system and an operation platform are erected on the pier columns, and then bent cap cantilever parts on the outer sides of the pier columns are cut off; and finally, crushing treatment and column top fine chiseling are conducted on a platform, the elevation is accurately controlled, and the steel bars are stripped. The method is mainly used for safe, efficient and accurate dismantling of the old bent cap in highway and urban bridge reconstruction and extension projects.

A press-in reinforcement steel plate underwater swell prevention structure that prevents, in filling with a filler, swell of a press-in reinforcement steel plate pressed-in for reinforcement around an existing columnar structure part of which is built in water, includes: a pair of swell prevention members having a Z-shaped cross section and mounted to an upper part of the existing columnar structure above a water level at time of construction, a slit being formed between the swell prevention members; and a plurality of stiffeners having a T-shaped cross section and mounted to an inner surface of the press-in reinforcement steel plate, at least one of the stiffeners being inserted in the slit.

The invention discloses a reinforcing system and method for structural damage of an arch bridge, and belongs to the technical field of bridge engineering. A prestressed carbon fiber grid reinforcing layer (material reinforcement), SMA anchorage device intelligent regulation and control (parameter self-adaption) and magneto-rheological damper active control (dynamic response optimization) realize deep coupling through a distributed sensing network and edge calculation to form system-level collaboration of strength improvement, rigidity adjustment and dynamic performance optimization; the subsystems are driven to work cooperatively through sensing data, and a new'prevention-reinforcement-regulation 'integrated bridge maintenance mode is constructed.

The invention discloses a road and bridge crack reinforcing device and method.The road and bridge crack reinforcing device comprises a high-strength anti-rust steel beam column, the lower surface of the high-strength anti-rust steel beam column is fixedly connected with a high-strength anti-rust steel I-beam, and the lower surface of the high-strength anti-rust steel I-beam is fixedly connected with a base; an upper-layer left-side bolt and an upper-layer right-side bolt are in threaded connection with the interior of the base, an upper-layer left-side fixing pin and an upper-layer right-side fixing pin penetrate through the interior of the base, a supporting platform is tightly attached to the outer surfaces of the upper-layer left-side fixing pin and the upper-layer right-side fixing pin, and an upper supporting column is fixedly connected to the lower surface of the supporting platform. A rapid splicing groove is formed in the upper supporting column, and a lower supporting column is tightly arranged on the inner surface of the rapid splicing groove in a press fit mode. After being implemented, the device has high structural stability, parts can be conveniently and flexibly replaced, and the device has the good flexible installation performance and the high compatibility effect.