15819results about "Bridge erection/assembly" patented technology

The invention relates to a steel truss girder digital pre-assembly method and system based on three-dimensional laser scanning, and belongs to the technical field of constructional engineering. The method comprises the following steps: calculating a three-dimensional coordinate and a scanning angle of a scanning observation station based on a steel truss girder design model and field environment point cloud data to obtain observation station layout position parameters; controlling a three-dimensional laser scanner to scan the steel truss girder section by section according to the arrangement position parameters of the observation station, and acquiring original point cloud data of each section of the steel truss girder; performing spatial alignment and noise reduction processing on the original point cloud data to obtain standardized point cloud data; based on the standardized point cloud data, feature parameters of all the segments are segmented and extracted, digital splicing is carried out, and a steel truss girder three-dimensional point cloud model is generated; based on the steel truss girder design model and the steel truss girder three-dimensional point cloud model, the displacement deviation value and the angle deviation value between the segments are calculated, and an assembly error result is obtained; and generating a construction correction parameter set based on the assembly error result. The assembling precision of the steel truss girder can be improved.

The invention provides a bridge girder erection machine intelligent construction control method and system based on machine vision, and relates to the technical field of intelligent control. Image information of a construction site is collected through a plurality of high-definition cameras arranged on a bridge girder erection machine; inputting the image information into a pre-trained deep learning model, identifying and positioning a target in the construction scene, and constructing a digital twinborn model of the construction scene in combination with a graph structure of a construction scene topological structure subjected to spatial perception graph convolution operation; the intelligent decision agent generates an initial construction strategy according to the current construction scene state, an improved Monte Carlo tree is adopted to search and optimize the initial construction strategy, and an optimal construction strategy is generated through multi-objective solution; and after the construction is completed, based on the digital twin model and the whole process data, analyzing the construction quality and efficiency by using a graph neural network, and generating a multi-dimensional evaluation report and optimization suggestions.

The invention discloses an AI-based bridge construction intelligent monitoring method, particularly relates to the field of data analysis, and comprises the steps of multi-modal sensing network construction, cross-domain characteristic parameter extraction, comprehensive state evaluation modeling and intelligent decision and regulation. According to the method, deformation, corrosion, vibration and other multi-physical field data are synchronously collected through a multi-modal sensing network, a cross-scale feature extraction algorithm is adopted to construct creep-corrosion collaborative factors and other composite indexes, the limitation of traditional single-dimensional parameter analysis is broken through, a dynamic evaluation model is fused with weighted integral and a nonlinear function, and the dynamic evaluation accuracy is improved. Precise early warning of risks such as bridge pier instability and cantilever cracking is achieved, the multi-field coupling effect quantification capacity is remarkably improved, an intelligent joint control mechanism automatically triggers instructions such as jacking reinforcement and damping tuning through a three-level emergency response system, a monitoring-analysis-regulation closed-loop system is constructed, the hysteresis of manual decision is effectively eliminated, and the safety and reliability of the system are improved. And all-weather self-adaptive safety guarantee is provided for bridge construction.

To provide a reinforced bridge casting support device that stably supports bridge formwork, can accurately meet various construction needs, and can improve the quality and efficiency of bridge casting. [Solution] The main components include a fixed base 1 with fixing holes and wedge nails, a movable platform is provided on the base that can move relative to it, and a support unit 5 that can move up and down is mounted on the movable platform, the support units are removably connected to each other by support plates 6, and further equipped with a lifting adjustment mechanism 7 and a spacing adjustment mechanism 8, the former of which adjusts the height of the support unit through the cooperation of a worm, worm gear, and rack and pinion, and the latter of which drives and displaces the movable platform using a rotating screw and a reverse screw to adjust the spacing.

The invention discloses a high and large formwork engineering supporting system construction method, and belongs to the technical field of building engineering. Comprising the following steps: step 1, arranging intelligent nodes in a high and large template support system to realize information sharing and group cooperative regulation and control among the nodes; step 2, dividing the support system into a plurality of mutually associated load control areas, and setting differentiated load control parameters; step 3, automatically optimizing a pouring path; 4, when the concrete strength reaches a preset threshold value, the supporting rigidity or the reserved deformation amount is automatically adjusted according to a preset program, and the concrete structure bears the dead weight step by step; 5, the temporary load is automatically compensated, when the load exceeds a safety threshold value, a load redistribution mechanism and a reinforcing device are triggered, meanwhile, an alarm is started, and abnormal data are pushed; and step 6, continuously optimizing control parameters, accumulating construction data, constructing a digital construction record and a knowledge base, and realizing intelligent iterative upgrading of the construction method.

Provided in the present invention are an integrated intelligent construction method for a cast-in-place box girder, and a system. The method comprises the following steps: S1, designing a scheme on the basis of BIM; S2, forming and transporting a rebar part; S3, establishing a box girder formwork; S4, testing the precision of the formwork; S5, assembling the rebar part in the formwork; S6, testing the quality of the rebar part; S7, constructing a prestressed pipeline and performing alignment inspection; S7, casting concrete; S8, testing the quality of the concrete; S9, curing the concrete; S10, controlling the quality of curing; and S12, performing prestressed tensioning and grouting inspection. Intelligent integrated box girder construction is realized by means of the above steps. In the present invention, the above solution is used, and intelligent control technology is introduced into a construction method, so that the mechanization, automation and intelligence levels of cast-in-place box girder construction can be improved, thereby greatly improving the construction efficiency, reducing labor intensity, improving on-site management levels, and ensuring construction safety and construction quality.

The invention relates to a bridge rotation balance pressure monitoring system and a jacking adjustment method, and belongs to the technical field of bridge rotation. Comprising a bridge sensor, a GNSS receiver, a wireless data acquisition module and a BIM bridge three-dimensional simulation module, the monitoring equipment is provided with a base station and four monitoring stations, the base station is arranged on the top surface of an erected beam section, and the four monitoring stations are arranged at the middle points of the top surfaces of two swivel bridges and the end points away from the base station respectively. The GNSS receiver is used for acquiring real-time measurement point coordinates of a bridge and transmitting the coordinates to the wireless data acquisition system, the monitoring devices upload respective coordinate information to the processing module in real time, and the processing module processes the received data and then transmits the data to the BIM bridge three-dimensional simulation module to construct a swivel simulation model to monitor and early warn the swivel process in real time. The problem that in the existing swivel construction monitoring process, monitoring errors are prone to occurring, and consequently potential safety hazards occur in swivel construction is solved.

The utility model belongs to the technical field of transverse movement of box girders, and particularly relates to a transverse movement supporting frame for a railway box girder. The supporting frame comprises a transverse moving support system and a sliding lifting system. A box girder cast-in-place station is arranged on the side, away from the existing high-speed rail line, of the pier column. The transverse moving support system comprises a transverse moving foundation and steel pipe supports, the steel pipe supports are arranged above the cast-in-place foundation, two rows of steel pipe supports are arranged between two adjacent pier columns, and each row of steel pipe supports are arranged close to the pier columns; a sliding lifting system is supported on each row of steel pipe supports and extends to the side, close to an existing high-speed rail line, of the pier column from the bottom of the box girder cast-in-place station. The sliding lifting system comprises a bearing cross beam and a sliding way, a plurality of lifting mechanisms are arranged between the bearing cross beam and the sliding way, the sliding way is driven by the lifting mechanisms to conduct displacement motion in the vertical direction relative to the bearing cross beam, and the cast-in-place box girder falls on the top of the pier column. The operation of the existing high-speed rail line is not influenced by the box girder construction, and the construction efficiency is improved.

The invention discloses a whole-span bridge hoisting construction method. The method comprises the steps that prefabricated bridge components are transported to a construction site; in the construction preparation stage, a foundation monitoring mechanical model of a construction site is built, and the optimal position and operation parameters of a crane are determined; before hoisting, a laser emitting device is installed on a bridge component, a laser receiving device is installed at the front end of a crane suspension arm, and a plurality of laser reflection targets are arranged on the periphery of a preset installation position of a pier; in the lifting and translation processes, the laser positioning system monitors the spatial position and attitude information of the bridge component and the suspension arm in real time, and transmits the data to the control center in real time; and the control center compares the actual position deviation with the target position deviation in real time according to the preset hoisting path and the in-position precision requirement, and when the deviation exceeds the threshold value range, a control instruction is sent to a power system and a hydraulic control system of the crane. According to the method, the position and posture of the bridge component can be accurately monitored in real time, the action of the crane is timely and accurately regulated and controlled according to the deviation, and the construction precision and safety are improved.

The invention provides a portable stirrup welding device for high pier construction, and relates to the technical field of box girder stirrup welding equipment.The portable stirrup welding device comprises a welding hand-held piece, and a steel bar storage part is installed on the welding hand-held piece; the steel bar storage part is used for storing stirrup connecting bars; a connecting rib pushing piece is mounted on the welding handheld piece; the connecting rib pushing piece is used for pushing stirrup connecting ribs; two stirrup prestress pieces are mounted on the welding handheld piece; the two stirrup prestressed parts are used for pulling stirrups; prestress annealing welding can be achieved, the welding tension degree is poor, meanwhile, the accuracy of welding seams can be affected by deviation of the stirrups, and the problems that the welding efficiency is low, the stirrups are not convenient to automatically correct and the tension degree of the welded stirrups is poor due to the fact that welding work of the stirrups for high pier construction mostly adopts manual handheld welding gun operation are solved.

The invention discloses a cable-stayed and buckled multi-cable synchronous regulation and control method and system based on hydraulic cooperation, and the method comprises the steps: obtaining the information of each cable, configuring a hydraulic device for each cable, grading and dividing the tensioning operation of the hydraulic devices into a plurality of tensioning levels, distributing a sub-target tensioning force for each tensioning level, the hydraulic device is controlled to stretch each inhaul cable from the first stretch-draw level according to the number of the inhaul cable and the initial stretch-draw force of the inhaul cable until the sub-target stretch-draw force corresponding to the current stretch-draw level is reached, the next stretch-draw level is entered, and the current stretch-draw force of each inhaul cable is monitored in real time; comparing the pressure difference approaching variable with a pressure difference approaching variable threshold value, and finely adjusting the corresponding inhaul cable according to a comparison result; the method comprises the following steps: generating a plurality of tension proximity diagrams according to the real-time monitored current tension force of each inhaul cable, searching for the inhaul cable with tension kick according to node conditions in the tension proximity diagrams, and sending out alarm information.

The invention relates to the technical field of bridge seismic resistance, in particular to a bridge transverse quasi-seismic isolation multistage ordered seismic resistance construction method, which is used for determining performance targets under three levels according to seismic fortification requirements of a bridge structure under earthquakes with different strength levels, and providing a reasonable mechanical parameter valuing method of a steel stop block. A quasi-seismic isolation bridge multi-stage seismic fortification mechanism is established, the seismic potential of each component is exerted in sequence, the seismic damage degree of the bridge can be controlled and reduced according to an expected performance target, the phenomenon of beam falling of an upper structure of the bridge can be effectively prevented, and therefore a multi-stage ordered seismic isolation and seismic fortification mechanism is achieved.

The invention discloses a continuous rigid frame bridge construction monitoring method which comprises the following steps: before cantilever casting construction, arranging linear monitoring points along the longitudinal axis direction of a bridge according to the spacing of 8-12 meters, and respectively arranging stress monitoring points on a top plate and a bottom plate of the root section of each section; synchronously acquiring three-dimensional coordinate data of the linear monitoring points and real-time strain data of the stress monitoring points in the process of pouring each section in a cantilever manner; the collected linear data and stress data are input into a finite element model for collaborative analysis, and when a linear deviation value exceeds + / -5% of a designed pre-camber value and the deviation between a stress measured value and a theoretical calculation value exceeds + / -8%, an adjustment instruction is automatically generated; according to the adjusting instruction, the elevation of the front fulcrum of the hanging basket is adjusted through the hydraulic jack during construction of the next section; after initial setting of the adjusted segment concrete, linear data and stress data are collected, and the actually measured data and a finite element model prediction value are compared and verified. The method can help to guarantee the safety and durability of the continuous rigid frame bridge.

The invention relates to the technical field of constructional engineering, and discloses a bridge hanging basket installation accurate positioning automatic operation method, which comprises the following steps of: acquiring image data of the position, the speed, the posture and the construction environment of a bridge hanging basket in real time by installing a high-precision sensor and a visual system; analyzing the acquired image data by using a deep learning model, and identifying and estimating the spatial position and angle of the hanging basket; the system comprises a high-precision sensor and an image acquisition system which are used for acquiring the position, attitude and environmental data of the hanging basket in real time; the deep learning module comprises a convolutional neural network and a recurrent neural network and is used for recognizing the position of the hanging basket in real time and predicting future deviation; and the nonlinear optimization module is used for calculating optimal control input in real time according to the optimization objective function and correcting the optimal control input. By adopting the technical scheme of the high-precision sensor and the image acquisition system, real-time accurate monitoring of the position, the posture and the construction environment of the hanging basket is achieved.

A method for rapid and safe construction and intelligent monitoring and controlling of continuous arch bridges, which using a single-arch rib construction method, when installing a new arch rib segment, the clasp cable is immediately extended, and then using an intelligent control cable to ensure that the pier and anchorage tower are in a balanced state. The newly installed segment is no longer in a cantilever state, and the loading on the flange is very small, resulting in a small change in the tension force for the clasp cables of the previous segments. The present invention saves more than half of the clasp cable usage, reduces the number of transverse movements of the cable crane system, and significantly shortens the construction period. The construction method which using intelligent control cables to balance the unbalance loading on the middle pier, could be applied to the construction of continuous arch bridges.

The invention discloses a pile-beam integrated bridge girder erection machine which comprises a main beam, a front auxiliary supporting leg, a front supporting leg, a middle supporting leg, a rear supporting leg and a pile driving device, and is characterized in that the main beam comprises a left auxiliary main beam and a right auxiliary main beam which extend front and back, and a steel bar connecting frame is arranged on the front portion between the two auxiliary main beams for connection and fixation; supporting beams extending front and back are fixed to the left end and the right end of a bottom beam of each auxiliary main beam, and a top beam horizontally extending front and back is fixed to the top of each auxiliary main beam. A temporary supporting leg composed of a temporary connecting base, a temporary supporting leg barrel and a temporary supporting block which are installed at the front end of a main beam can support the front end of the main beam after the main beam moves forwards, stable supporting of the main beam is guaranteed, and components such as a front supporting leg and a middle supporting leg move forwards normally in the follow-up process; the left side and the right side of the supporting base are each provided with the two reverse rolling wheel sets, and the reverse rolling wheel sets are installed on the main beam, so that the stress dispersion effect on the main beam is better, and the stress of the main beam is more uniform.

The invention discloses a through steel box tied arch bridge construction monitoring system and method. The system comprises a data acquisition module, a data processing and analysis module, a control decision module and an information management and feedback module. The data acquisition module acquires data such as a girder, an arch rib, a suspender and an environment; the data processing and analysis module analyzes the structure state after preprocessing the data, identifies parameters and corrects the model; the control decision module generates a control instruction, and performs early warning and emergency processing; and the information management and feedback module stores data and feeds back information. The method comprises preparation before construction, construction process monitoring and abnormal condition processing. Construction can be accurately monitored in real time, the quality and safety of finished bridges are ensured, error accumulation is reduced, data are provided for later maintenance, the durability of the bridges is improved, and the method is suitable for through steel box tied arch bridge construction monitoring.

The present invention relates to the technical field of bridge construction, and in particular to a method for constructing a sliding hanger across a continuous beam closure section of an existing line, comprising: installing a construction track above the section to be closed, mounting the hanger on the track through a suspension system, preliminarily determining the diameter and quantity of the fine-rolled steel according to the weight of the hanger, and verifying it according to the construction duration. The hanger is moved to determine its stability with the suspension system, and after the closure section is rotated and raised, the hanger is moved to the closure area for construction, and is returned and removed after completion. The present invention avoids long-term and large-scale installation and removal of hangers above existing lines through the construction of sliding hangers, reduces interference with the operation of existing lines, and reduces safety risks. Its installation, positioning and removal are simple and quick, shortening the construction period and improving efficiency. During construction, the performance of the hanger is accurately measured and controlled, and verified to ensure construction quality, reduce costs, and have good economic benefits.

The invention discloses a rail transit U-shaped beam wall-mounted pipeline type ballastless track maintenance system which comprises a plurality of telescopic supporting units arranged at intervals in the length direction of a ballastless track, a plurality of maintenance spraying pipes arranged side by side are installed between the telescopic supporting units, the maintenance spraying pipes are located above the ballastless track, and the telescopic supporting units are connected with the maintenance spraying pipes. The two ends of each maintenance spraying pipe communicate with the water inlet pipe system and the communicating pipe system correspondingly, the inlet end of the water inlet pipe system communicates with the water storage tank through the pressure water pump, and the telescopic supporting units stretch across the two sides of the U-shaped beam. The ballastless track can be effectively subjected to spraying maintenance operation, the purpose of maintaining different areas in the transverse direction of the ballastless track is achieved, spraying maintenance sufficiency is ensured, evaporation of local moisture of the ballastless track is made up, the situation of excessive water supplementing is avoided, and the purpose of overall moving can be achieved. The device is suitable for the technical field of watering maintenance of the ballastless track on the U-shaped beam.

The present disclosure belongs to the technical field of arch bridge structures, and particularly relates to a steel-concrete combined skewback structure and a construction method thereof. In the present disclosure, by arranging arch rib tubes, concrete sections in a main chord pipe, concrete blocks in a skewback, fixing steel tubes, a transverse diaphragm unit, and a vertical diaphragm unit, the steel-concrete combined skewback structure can achieve the following objectives that 1. the skewback structure can be fully connected with a bearing platform; and 2. the fixing steel tubes are fully filled with concrete. In addition, the present disclosure further provides the construction method of the above steel-concrete combined skewback structure. The construction method the skewback structure itself and its mounting manner both have sufficient structural stability.

The invention relates to a high-speed railway box girder longitudinal bar distribution method, which comprises the following steps of S1, setting a longitudinal bar datum line at a preset position of a box girder template through a high-precision laser measurement tool and a digital positioning system, and ensuring that the initial position of a longitudinal bar is accurately butted with a design drawing, so that the distribution error is reduced to the greatest extent; through a high-precision laser measuring tool, a digital positioning system and laser scanning equipment, it is ensured that the arrangement precision of longitudinal bars reaches the millimeter level, the distribution error is reduced to the maximum extent, the construction quality is ensured, manual intervention is reduced through an automatic steel bar bracket mounting device and an automatic binding device of a multi-axis mechanical arm structure, and the construction efficiency is improved. The construction efficiency is improved, it is ensured that the installation precision of the steel bars is highly consistent with the design requirement, in addition, a real-time monitoring system is arranged in the whole material distribution process and comprises a sensor, a visual recognition system and a holographic projection technology, and deviation can be detected and corrected in real time in the longitudinal bar arrangement process.

The invention provides a large-tonnage slideway beam accurate in-position method and system based on stress monitoring, and relates to the technical field of stress monitoring, and the method comprises the steps: obtaining stress data of a preset position of a slideway beam through a stress sensor disposed at the preset position; obtaining a slideway beam material of the slideway beam; environmental data are obtained through a sensor arranged on a construction site, and the environmental data comprise temperature data and humidity data; determining an allowable stress value according to the slideway beam material and the environmental data; according to the stress data and the allowable stress value, determining a stress uniformity identification result and a stress allowable identification result at the preset position; and according to the stress uniformity identification result and the stress permission identification result, determining whether to adjust the preset position. According to the method, the stress uniformity condition and the maximum allowable stress condition of the slideway beam can be evaluated, and the in-place accuracy of the slideway beam is improved.

The utility model provides a steel box girder walking type pushing anti-deviation device which comprises a pushing mechanism and an anti-deviation mechanism, the pushing mechanism comprises a base and a first adjusting seat, the anti-deviation mechanism comprises an adjusting plate, a second adjusting seat and a movable plate, and the adjusting plate is installed inside the top end of the first adjusting seat in a limiting and sliding mode. The extrusion plate can extrude the movable plate through transverse adjustment of the adjusting bolt, the movable plate can be conveniently adjusted according to the angle between the ground and the side face of the steel box girder, the extrusion plate and the movable plate can be limited through the action of the transverse plate, the clamping rod and the clamping hole, and the stability of the movable plate is improved; the two sides of the bottom end of the steel box girder can be limited through a movable plate and a second adjusting seat, the steel box girder is prevented from deviating in the pushing process, transverse adjustment and deviation rectification can be conducted on the steel box girder through a deviation rectification oil cylinder, an adjusting plate, a jacking oil cylinder, the second adjusting seat and the movable plate, it is guaranteed that the moving line of the steel box girder is consistent with the pushing line, and the pushing efficiency is improved. The practicability is high.

The invention discloses the technical field of civil engineering and bridge construction, and particularly discloses a method and a system for monitoring construction of a cross-iron swivel bridge based on digital twinning. The method comprises the following steps: S1, acquiring real-time monitoring data of a cross-iron swivel bridge; the monitoring data comprises stress, displacement, temperature and cable force; s2, preprocessing the monitoring data, wherein the preprocessing comprises data cleaning, standardization and de-noising processing; s3, inputting the preprocessed monitoring data into a monitoring model of a digital twin platform, processing the monitoring data by the monitoring model in combination with a time sequence algorithm, generating a change trend of the real-time monitoring data and current state data, and outputting the data to an early warning module; and S4, comparing the current state data and the change trend data generated by the monitoring model with a preset early warning threshold value, and generating an early warning notification. The invention further comprises a system, intelligent management of bridge construction can be achieved, the construction risk is reduced, and the construction safety and efficiency are improved.

The invention relates to the technical field of data processing, and discloses a multi-point synchronous accurate hoisting positioning method and device for a bridge precast beam. The method comprises the following steps: optimizing three-dimensional scene data to obtain target environment data, performing path planning to obtain multi-point hoisting path data, and performing optimization processing on the path data to obtain an optimized hoisting path and attitude change data; performing real-time visual tracking processing on the precast beam to obtain real-time position and attitude data, and performing filtering processing on the real-time position and attitude data to obtain filtered pose data; and performing comparative analysis on the pose data, the optimized hoisting path data and the optimized pose change data to obtain control instruction data, and performing cooperative control on the multi-point hoisting system according to the control instruction data. The posture of the large precast beam can be accurately and efficiently controlled, the positioning precision is improved, and the requirement for rapid and efficient hoisting is met.

The present disclosure is directed to a load positioning system, a partially-assembled bridge, and a process of assembling a bridge. The load positioning system includes a gantry extending over a structure of a partially-assembled bridge, the partially-assembled bridge at least partially extending over a physical feature, a load descent mechanism arranged and disposed to lower a load having a mass of at least 10 kg onto the structure, and a load location mechanism arranged and disposed to move the load from being laterally-proximal to a first location of the structure and laterally-distal to a second location of the structure to being laterally-distal from the first location of the structure and laterally-proximal to the second location of the structure. The load descent mechanism and the load location mechanism are physically supported by the gantry. The process of assembling a bridge includes using the load descent mechanism.

The present application relates to the technical field of bridge construction, and in particular to a railway box girder drop system, including a longitudinal deviation correction mechanism, a transverse deviation correction mechanism, and a beam drop mechanism; a plurality of longitudinal deviation correction mechanisms are symmetrically distributed along the longitudinal direction of the bridge between the piers of the box girder to be dropped; a plurality of transverse deviation correction mechanisms are symmetrically distributed along the transverse direction of the bridge between the piers of the box girder to be dropped; the longitudinal deviation correction mechanism includes a first temporary pier, a first slide, a first slide shoe, and a plurality of first jacking devices arranged in sequence from bottom to top, the first slide is fixedly connected to the first temporary pier, and a plurality of first jacking devices are fixed along the transverse direction of the bridge and symmetrically distributed on the first slide shoe; the transverse deviation correction mechanism includes a second temporary pier, a second slide, a second slide shoe, and a plurality of second jacking devices arranged in sequence from bottom to top, the second slide is fixedly connected to the second temporary pier, and a plurality of second jacking devices are fixed along the longitudinal direction of the bridge and symmetrically distributed on the second slide shoe. Through the above arrangement, the accuracy of the box girder drop position can be improved.

The present invention provides a piece-by-piece assembled variable-section box girder structure and a construction method. Each box girder segment box girder includes a top plate unit, two web plate units and a bottom plate unit. A plurality of web vertical ribs are embedded in the web plate unit. A threaded sleeve is connected to each web vertical rib at both ends. Vertical rib holes are provided in the top plate unit and the bottom plate unit. Vertical ribs are inserted into the top plate and bottom plate vertical rib holes and are respectively screwed to the threaded sleeves at both ends of the web vertical ribs. When the box girder is hoisted for construction, the plate units of each segment are hoisted separately and connected to form a segment as a whole through the vertical ribs. The present invention can reduce the use of large equipment and reduce the difficulty and cost of prefabrication construction.

The invention discloses a UHPC joint formwork manufacturing device and method, a joint formwork and a pouring method, and relates to the field of bridge structure constructions.The UHPC joint formwork manufacturing device comprises a fiber fixing plate; the base molds are arranged at the bottom of the fiber fixing plate at intervals, a plurality of through holes for steel fibers to penetrate through are formed in the fiber fixing plate, and openings for liquid materials to be poured are formed in the tops of the base molds so that the current posture of the steel fibers can be fixed after the liquid materials are solidified. According to the obtained UHPC joint template, when UHPC joint pouring is carried out, steel fibers can be very accurately distributed in a first pouring UHPC and a second pouring UHPC in a half-and-half mode, a time-consuming and labor-consuming scabbling process is not needed, and continuity of the steel fibers at the multi-time pouring position of a UHPC structure is rapidly achieved.