45 results about "Laminated beam" patented technology

The invention discloses a modular double-sided laminated shear wall structure system and a construction method, and relates to the technical field of constructional engineering.The structural characteristics of a double-sided laminated shear wall are utilized, an inner shear wall connected between adjacent concrete modules is split into two page plates, the two page plates serve as prefabricated side walls of the adjacent concrete modules correspondingly, and meanwhile, the two page plates serve as prefabricated side walls of the adjacent concrete modules correspondingly; a single-face superposed beam is split into a connecting beam side formwork and a connecting beam single-side prefabricated slab, gable walls of end modules are prefabricated and assembled according to a fully-prefabricated shear wall structure, the two ends of the fully-prefabricated shear wall are connected in a centralized mode in a vertical steel bar staggered anchoring connection mode, and adjacent concrete modules can be connected only by pouring concrete in site construction. Meanwhile, the prefabricated side wall of the concrete module serves as an inner shear wall page plate to jointly participate in structural stress, the structural force transmission mechanism is clear, the situation that the usable space of a building is reduced due to a traditional thin shell plate can be avoided, and the overall performance of the building is improved.

The invention provides a load testing device after production of a superposed beam plate, and relates to the technical field of load testing, the load testing device comprises a supporting base, and a mounting base is fixedly mounted in the middle of the left side of the supporting base on the left side; an adjusting plate is arranged at the top of the adjusting sliding rail; the top of the supporting base is sleeved with a testing sliding seat in a sliding mode. According to the technical scheme, a plurality of sensors can be synchronously fixed or unfixed under the action of a related mechanism by manually rotating the control screw rod, so that the maintenance work is greatly facilitated, when one or more of the plurality of sensors break down, a worker can quickly and easily disassemble and replace the sensors, and the working efficiency is greatly improved. The problems that in order to ensure the testing precision, sensors are often densely distributed on a supporting piece of a testing device to collect data, however, if the multi-sensor configuration is damaged in long-term use, the sensors need to be disassembled and replaced one by one, the steps are tedious, and the maintenance efficiency is low are solved.

The application discloses a high-efficiency lacing construction of a laminated beam section and a construction method thereof. For the laminated beam with a common section width of 400-800 mm in engineering, different numbers of composite stirrups are combined, and the hook forms and positions of the stirrups are changed to facilitate efficient lacing. Compared with the prior art, the application solves the problem of collision between the 135-degree hook of the traditional stirrup and the longitudinal reinforcement by optimizing the stirrup construction form of the laminated beam section, increases the operation space for lacing the top reinforcement of the laminated beam, reduces the construction difficulty, and effectively improves the on-site construction efficiency of the laminated beam. The lacing construction of the laminated beam section solves the construction pain point of the difficulty in lacing the laminated beam of the existing fabricated frame structure, can avoid the quality problems caused by the difficulty in lacing the stirrup on site, guarantees the safety of the structure, and meanwhile, the optimized composite stirrup construction of the laminated beam is simple, convenient to produce, and can realize efficient processing and efficient construction.

An analytical method for the cantilever bending deformation of a fiber metal laminated beam with variable cross-section belongs to the fields of materials engineering and mechanics, and includes the following steps: obtaining finite-segment discrete variable cross-section micro-element segments of an overall continuously variable cross-section fiber metal heterogeneous laminated beam; based on the laminated plate theory, using the bending stiffness calculation method of the fiber metal heterogeneous laminated beam micro-element segments to obtain the stiffness of the finite-segment discrete variable cross-section micro-element segments; according to the composite beam theory, based on the stiffness of the finite-segment discrete variable cross-section micro-element segments, obtaining the bending deflection at any position of the cantilever of the variable cross-section fiber metal laminated beam under a non-uniform load. This method provides a feasible method for the bending stiffness design of variable cross-section fiber metal laminated structures, provides a fast analytical calculation approach for the ply angle optimization of fiber metal laminated beams, and has reference value for the theoretical evaluation of the mechanical properties of heterogeneous laminated variable cross-section structures.

The utility model relates to the technical field of buildings, in particular to an assembly type laminated slab supporting structure which comprises two laminated slabs, two laminated beams, a plurality of brackets and a plurality of connecting members, each connecting member comprises a mounting block, a fixing box, two fixing pins, a handle, a driving roller, a rotating piece, a moving disc and two locking arms, the two laminated beams are arranged on the laminated beams, and the two brackets are arranged on the mounting block. The fixing box is fixedly connected with the corresponding laminated plate, the mounting block is fixedly connected with the corresponding bracket, the mounting block is matched with the fixing box, the two fixing pins are slidably connected with the fixing box, the handle, the transmission roller, the rotating piece and the two locking arms are arranged on the fixing box, the transmission roller is fixedly connected with the handle, and the rotating piece is rotatably connected with the transmission roller. The movable disc is in sliding connection with the rotating piece, the two locking arms are in rotating connection with the movable disc, and the problem that when a plurality of adjustable brackets are disassembled and assembled, the adjustable brackets need to be disassembled and assembled through tools, and use is inconvenient is solved.

The utility model provides a superposed beam hoisting and supporting device, which relates to the technical field of superposed beam hoisting and supporting devices, and comprises a base, a first motor is fixedly connected in the base, a rotating groove is arranged in the base, the output end of the first motor is fixedly connected with an electric cylinder, and the output end of the electric cylinder is fixedly connected with a support frame. According to the composite beam clamping device, a composite beam can be clamped through the lifting table, the sliding rail, the two-way lead screw, the clamping plates, the non-slip mats, the second motor, the first driving bevel gear, the first driven bevel gear, the second driving bevel gear, the second driven bevel gear and the rotating rod, and the composite beam can be clamped through the lifting table, the sliding rail, the two-way lead screw, the clamping plates, the non-slip mats, the second motor and the rotating rod. And after the superposed beams are aligned in the vertical direction through the electric cylinder and the supporting frame, the superposed beams are rotated through the base, the first motor and the rotating groove, and finally angle adjustment of the superposed beams can be achieved according to expectation, so that the effect of accurate alignment can be achieved during installation.

The application discloses a densely-spliced modular steel-concrete building, which comprises a plurality of steel-concrete building units; the steel-concrete building unit comprises a steel column, a top beam, a bottom beam and a connecting plate, the top beam and the bottom beam are connected to the top and the bottom of the steel column respectively to form a rectangular box type structure, the connecting plate is welded to the bottom surface of the bottom beam, and the upper edge of the connecting plate is welded to the bottom beam; the plurality of steel-concrete building units are stacked one on another, the lower edge of the connecting plate of the upper steel-concrete building unit falls on the top beam of the lower steel-concrete building unit and is welded to the top beam; in the application, the bottom beam of the upper steel-concrete building unit and the top beam of the lower steel-concrete building unit are connected through the connecting plate to form a new single laminated beam, the integrity of the whole steel-concrete building is improved, and the load bearing capacity of the building is stronger; meanwhile, the gap between the steel-concrete building units is smaller, a densely-spliced building effect is formed, and the building space can be expanded, and the subsequent waterproof construction and decoration construction are facilitated.

The application discloses a kind of assembled beam column built-in T-shaped steel node fills UHPC connection method, including prefabricated beam column, node connection, damping setting and sleeve mould grouting steps, the method utilizes mould mechanism prefabricated concrete column with T-shaped steel and laminated beam, then connect T-shaped steel in beam and column by high-strength bolt, and set damping device between the upper and lower relative wing plate of T-shaped steel, finally, sleeve U-shaped mould in node connection part, pour ultra-high strength concrete UHPC, enhance the integrity of node, improve the ductility and energy dissipation capacity of node, realize fast, reliable node connection, both guarantee the high efficiency of node area mechanics transmission, also have reliable anti-seismic energy dissipation characteristics, the method has the advantages of convenient construction, superior anti-seismic performance, node reliability is high, applicable to the demand for efficient, environmental protection, safety in modern building, can improve the construction efficiency and structural performance of prefabricated building.

The application discloses an assembled longitudinal laminated beam sleeper damping system and belongs to the technical field of rail transit. The longitudinal sleeper is a laminated beam structure and comprises an upper beam and a lower beam. A damping layer is arranged at the interface between the upper beam and the lower beam. A transverse connecting piece is transversely connected between two longitudinal sleepers. An elastic damping component is arranged at the bottom of the longitudinal sleeper. The damping layer comprises two steel plates, and rubber is arranged between the two steel plates. The assembled longitudinal laminated beam sleeper damping system solves the three technical problems of difficulty in low-frequency vibration isolation, high stress concentration and high maintenance cost in the field of rail transit damping.

The intelligent damping device comprises a base, a piezoelectric laminated beam, a bearing, a bearing sleeve, an outer sleeve, an inner sleeve and a vibration isolation net, the inner sleeve, the vibration isolation net and the cutter are coaxially arranged, the vibration isolation net is located between the cutter and the inner sleeve, the bearing is arranged on the cutter in a sleeving mode, the bearing sleeve is arranged on the outer side of the bearing, and the piezoelectric laminated beam is arranged on the outer side of the bearing. The outer sleeve and the cutter are coaxially arranged, one end of the outer sleeve is connected with the base, the other end of the outer sleeve is suspended, and the multiple piezoelectric laminated beams are evenly arranged in the circumferential direction of the cutter. One end of the piezoelectric laminated beam is connected with the base, and the other end is connected with the bearing sleeve; the inner sleeve is connected with the handle; a piezoelectric layer capable of outputting acting force is arranged in the piezoelectric laminated beam, the outer sleeve is a rigid sleeve, and the piezoelectric laminated beam is connected with a piezoelectric actuator. Vibration reduction is conducted in the mode that active vibration suppression and passive vibration isolation are combined, and compared with a single passive vibration reduction or active vibration suppression mode, the vibration reduction effect is better improved, and the cutting stability is improved.

The invention provides a superposed beam and slab mounting construction method. The superposed beam and slab mounting construction method comprises the steps of superposed beam construction and superposed slab mounting. Wherein the construction of the laminated beam is firstly carried out, and then the installation of the laminated slab is carried out; the construction of the superposed beam comprises the steps that S11, a laying template is erected on a pay-off rack; s12, the precast beam is hoisted; s13, mounting a precast beam; s14, composite beam steel bars are bound; s15, a superposed beam support side mold; the installation of the laminated slab comprises the following steps: S21, erecting a support frame; s22, the prefabricated slab is hoisted; s23, the prefabricated laminated slab is installed; and S24, steel bars on the plate are bound, and electromechanical pipelines are installed. Load transmission reconstruction, hoisting mechanical optimization, structure fine control and digital pre-control are achieved.

The utility model relates to the field of steel structure construction, and discloses a large steel stoplog high-altitude accurate installation device which comprises a first steel beam, a second steel beam is arranged outside the first steel beam, a lifting lug is fixedly connected to the top of the second steel beam, an installation structure is arranged on the surface of the first steel beam, and the installation structure comprises a screw hole. The inner wall of the screw hole is in threaded connection with a bolt, a positioning assembly is arranged on the surface of the first steel beam, a locking assembly is arranged on the surface of the first steel beam, the positioning assembly comprises a first inclined block, the side wall of the second steel beam is fixedly connected with a second inclined block, and an avoiding groove is formed in the surface of the second inclined block. And a mounting hole is formed in the surface of the inclined block II. According to the utility model, the installation structure is arranged, the deviation degree of subsequent installation is reduced through temporary fixation, the alignment degree of the installation structure and the installation structure is ensured, and the risk of collision or structural damage in the installation process is reduced, so that the safety of a construction site is improved.

The invention relates to a laminated slab-laminated beam-column fabricated connecting structure and a construction method. The method comprises the steps that firstly, prefabricated columns are manufactured in a factory, main reinforcements and stirrups of the prefabricated columns are bound, concrete is poured, the prefabricated columns are provided with brackets and outwards-extending main reinforcements, and installation and fixation are completed after the prefabricated columns are transported to a site; meanwhile, a superposed beam is manufactured in a factory, and steel bar binding, prefabricated concrete pouring, welding of a main bar and a connecting steel plate and overhanging bracket pouring are completed; then the superposed beams are installed on brackets on the two sides of the prefabricated column, and steel plate penetration welding, abutted seam filling and joint area concrete pouring are conducted; then, a laminated slab is manufactured in a component factory and installed after joint cast-in-place concrete reaches a certain strength, and laminated surface additional ribs are arranged; and finally, after a certain number of laminated slabs are assembled, cast-in-place concrete pouring and curing of the beams and the slabs are conducted with the enclosure structure as a formwork, the construction efficiency is improved, and the stability and the overall performance of structural connection are guaranteed.

The invention provides a stiffened integrated plate, a stiffened integrated laminated plate, a stiffened integrated laminated beam-slab structure and a construction method thereof, and belongs to the field of fabricated buildings, the stiffened integrated plate comprises a hollow plate body and a plate rib connecting piece, a prestressed steel strand is tensioned in the hollow plate body, a plurality of holes are formed in the hollow plate body at intervals in the plate width direction, and plate ribs are formed on the side portions of the holes; the plate rib connecting pieces are at least embedded and installed in the plate rib direction of the hollow plate body, at least one plate rib connecting piece is located at the end of the hollow plate body, a post-pouring cavity capable of being poured firmly is formed in each plate rib connecting piece, post-pouring structural ribs are arranged in the post-pouring cavities, and the plate rib connecting pieces penetrate through additional shear-resistant ribs at the plate thickness center line position to form a post-pouring structure. The pre-stressed steel strand penetrates through the constraint inverted arch, the plate rib connecting piece is matched with the plate rib through the cavity after solid pouring to form a stiffening hidden beam, and the pre-stressed steel strand and the additional anti-shearing rib are connected into a whole, so that the structural safety and the anti-shearing performance are greatly improved.

A storage system for storing stacks of boards (1) in storage rows, which is used in a factory for manufacturing boards, in particular OSB boards, MDF boards or particle boards, wherein each storage row comprises three parallel elongate support members (9, 9', 9", 9'''), between which there is a space for a satellite board cart (10) for transporting stacks of boards (1). The invention is embodied such that the horizontal load-bearing portion of the support members is formed by one or more glued laminated beams (9').

The present invention discloses a long-span bridge steel structure stacked beam and a construction method thereof. The construction method comprises: constructing bridge piers; constructing supporting steel columns on the bridge piers; welding multiple layers of steel structure stacked beams to the supporting steel columns; hoisting and welding the bottom layer of steel structure stacked beams to the supporting steel columns; and sequentially hoisting and welding the steel structure stacked beams above the bottom layer to the upper layer of steel structure stacked beams, wherein each layer of steel structure stacked beams is formed by welding multiple transverse steel beams and multiple longitudinal steel beams; and welding bridge deck beams to the topmost layer of steel structure stacked beams to form the long-span bridge steel structure stacked beam. The present invention has the advantages of high construction efficiency, good structural stability, long service life, and convenient construction.

The utility model discloses an array laser emitting device, which relates to the field of semiconductor lasers and comprises an emitting device body, laser emitting layers are arranged in the emitting device body in a layered manner along the vertical direction, laser emitting units are arranged on the laser emitting layers along the horizontal direction, and each laser emitting unit comprises a laser and a light beam reflecting part. The lasers are assembled in the transmitting device body in a stacked mode through the multiple layers of heat sinks, and the multiple light beam reflecting parts combine all lasers in the corresponding laser transmitting units into laminated beam combined lasers. The emitting device body is provided with a laser beam combining emitting port, and a layer laser beam combining part for combining all layer combined laser beams to form array combined laser beams which can be emitted from the laser beam combining emitting port is also arranged in the emitting device body. According to the array laser emitting device provided by the utility model, the space utilization rate is improved through multi-layer stacking and a three-dimensional beam combining light path; and a three-dimensional heat dissipation system is established by using multiple layers of heat sinks, so that the contradiction between heat dissipation and compact design of high-power equipment is solved.

The assembly type composite beam and slab mounting auxiliary device comprises a base assembly, a damping assembly, a bearing assembly and a locking mechanism which are sequentially connected from bottom to top. Universal wheels are arranged at the lower end of the base assembly; the upper end of the bearing assembly is provided with a containing face used for containing the assembly type superposed beam plate. The damping assemblies are distributed between the base assembly and the bearing assembly in a rectangular array mode. The locking mechanism is installed at the upper end of the bearing assembly and used for abutting against and positioning the assembly type composite beam plate. The mounting auxiliary device has the advantages that after being transported to a construction site along with a heavy truck, the assembly type laminated beam slab is transferred to the mounting auxiliary device, and the assembly type laminated beam slab can be stably and firmly transferred to the position where the lifting device is located in a labor-saving mode through the mounting auxiliary device.

The utility model discloses assembly type building superimposed beam side mould self -locking formwork, it includes the multiple L concave cavity steels welded in two side formworks opposite side, and the bottom of two side formworks is provided with steel bottom support, and two side formworks all slide in the top of steel bottom support, and the locking assembly is provided between two L concave cavity steels, the locking assembly includes L clamping bar, and the bottom of L clamping bar is located in the inner chamber of one L concave cavity steel. The utility model discloses through the insertion of vertical clamping bar into the inner chamber of one L concave cavity steel, then the operation of swivel lever drives gear to rotate, and the gear drives L clamping bar to move in the inner chamber of sliding sleeve through rack, until L clamping bar enters the inner chamber of another L concave cavity steel, at this moment, the toothed wheel is clamped on the surface of gear, can lock and determine the interval of two side formworks, prevent the lateral formwork from offsetting to the outside, can reach the purpose that the interval of shaking control locking can be self -locking and adapts to various side mould intervals.

The utility model relates to a composite prefabricated dense rib superposed beam plate. The concrete beam comprises a steel reinforcement framework and a cement base body, the cement base body is divided into a first beam body, a second beam body and a plate body connected between the upper portions of the two beam bodies, and an inclined downward bending part is formed at the connecting position of the plate body and the two beam bodies; the steel bar framework is divided into a first beam cage, a second beam cage, a distribution bar net and a downward bending steel bar set. A plurality of third stress ribs distributed at equal intervals are further arranged at the bottom of the distribution rib net, third structural ribs are connected between the third stress ribs and the distribution rib net, and reinforcing ribs wrapping the third stress ribs are arranged at the bottom of the plate body. The dense ribs have similar functions with truss ribs on an existing beam plate, have better mechanical strengthening effect and improve bending and cracking resistance effects. And no shielding object is formed on the upper surface of the plate body, so that free wiring of the pipeline is facilitated.

The present application relates to the technical field of laminated beam structure, and provides a composite beam and teaching aid thereof, which comprises a plurality of beams and split wedge block assemblies, the beams are provided with wedge block holes, and the plurality of beams are arranged in a laminated manner, and the split wedge block assemblies are fitted into the wedge block holes and can lock the beams of each layer. The split wedge block assembly comprises an adjusting member and at least one wedge block group, the wedge block group is provided with a plurality of wedge-shaped sliders, and the adjusting member is connected with the wedge block group, so that each wedge-shaped slider can move relatively along the extension direction of the wedge surface. The composite beam is designed in a modular manner, i.e. a single beam and a split wedge block assembly, and the single beam and the split wedge block assembly are combined and locked to form the composite beam, so that the single beam can be replaced or added quickly and conveniently, different combination modes can be realized quickly, the combination flexibility of the composite beam is improved, and the stiffness and structural strength of the beam can be changed quickly by adding or replacing the single beam.

The invention provides a vibration intelligent control parameter optimization method and system for a piezoelectric laminated beam, relates to the technical field of piezoelectric control, and aims to optimize the array layout of piezoelectric devices by using a multi-target genetic algorithm so as to improve the vibration suppression effect and the energy collection efficiency. And a self-adaptive PID closed-loop controller is adopted to dynamically adjust system parameters. Running state data, including stress, electric field intensity and the like, of the piezoelectric laminated beam are collected, correlation analysis is conducted through a Bouc-Wen model, output force is predicted in real time, and a control signal is generated to adjust a piezoelectric actuator. According to the method, the response speed and the control precision of the system are improved, the problems of fixed layout and inflexible response in the prior art are solved, and intelligent control of the piezoelectric laminated beam system is realized.

The utility model belongs to the technical field of combined beams, and discloses a combined reinforcement superposed beam which comprises a fixing plate, a plurality of limiting shafts are fixedly arranged on the top face of the fixing plate, a plurality of limiting blocks are fixedly arranged on the two sides of each limiting shaft, the limiting blocks are evenly distributed on the two sides of each limiting shaft, and the limiting shafts are fixedly arranged on the top face of the fixing plate. A bridge deck body is clamped to the top face of the limiting block, a first limiting groove is formed in the bridge deck body, the limiting block is located in the first limiting groove, a second limiting groove is formed in the bridge deck body, the first limiting groove communicates with the second limiting groove, and the limiting block is located in the second limiting groove. By means of the scheme, the problem that positioning is difficult when the bridge deck slabs are laid is solved, the situation that the service life of the composite beam is shortened due to uneven distribution of the bridge deck slabs is avoided, the strength of the composite beam is improved, it is guaranteed that the centers of the bridge deck slabs can correspond to one another, and the attractiveness of the bridge deck is improved.

The utility model provides an underwater rock plug blasting combined type plug and an underwater rock plug blasting device. The underwater rock plug blasting combined type plug comprises a bottom stoplog, a first lifting assembly and a second lifting assembly, the top stoplog and the bottom stoplog are arranged in a stacked mode, the top stoplog is located above the bottom stoplog, the top stoplog is tightly attached to the bottom stoplog, a second hoisting assembly and a drainage pipe are arranged on the top stoplog, a water inlet of the drainage pipe is located in the upper surface of the top stoplog, and a water outlet of the drainage pipe is located in the side face adjacent to the upper surface of the top stoplog. The underwater rock plug blasting combined plug is formed by combining the bottom stoplog and the top stoplog, the bottom stoplog and the top stoplog can enter a tunnel through hoisting to complete plugging of a water outlet of the tunnel and can be moved out of the tunnel through hoisting, pouring and dismantling of the plug are avoided, the operation process is simplified, the construction period is shortened, and the construction cost is saved; and meanwhile, the damage to the gate shaft due to the removal of the plug can be avoided.

The application discloses a simulation method for calculating fluid-structure coupling dynamic response of a dielectric elastomer laminated beam, adopts an absolute node coordinate method to describe the motion of the dielectric elastomer laminated beam, deduces a coordinate transformation matrix between coupled beam units through a multi-unit coupling modeling method of the laminated structure, deduces a generalized elastic force array and a generalized stiffness array of the beam unit based on a Mooney-Rivlin hyperelastic constitutive model and a dielectric elastomer force-electricity constitutive, and obtains the dynamic equation of the dielectric elastomer laminated beam through unit assembly. α The application introduces an immersed boundary-lattice Boltzmann method, simulates a flow field through the lattice Boltzmann method, processes the interaction force between the dielectric elastomer laminated beam and the fluid through the immersed boundary method, establishes a fluid-dielectric elastomer laminated beam system fluid-structure coupling dynamic model, and obtains the displacement and velocity of the dielectric elastomer laminated beam based on the generalized-absolute node coordinate method. The application provides a dynamic model of the dielectric elastomer laminated beam considering the fluid-structure coupling effect, and can predict the motion trajectory of the dielectric elastomer laminated beam under the action of voltage driving and fluid resistance.

The invention discloses a disc structure for turning over a steel structure stoplog of a power plant, and belongs to the technical field of power equipment structures. The disc structure for turning over the power plant steel structure stoplog comprises a pair of clamping pieces used for clamping the two sides of a stoplog profile steel flange plate respectively and a connecting piece connected between the two clamping pieces to connect the two clamping pieces into a whole. A clamping hook matched with the flange plate of the stoplog profile steel is welded on the clamping piece, and the clamping piece is hooked on the flange plate of the stoplog profile steel through the clamping hook. According to the invention, the number of the connecting pieces can be flexibly increased or decreased, so that the widths of flange plates of H-shaped steel with different specifications can be accurately matched; and welding on the component is not needed, so that the welding and polishing procedures are reduced, the disassembly is convenient, and the labor cost is reduced.

The application provides a damage rapid analysis method for a composite structure heterogeneous material interface, adopts a high-order laminated beam model based on a sub-laminated beam, accurately captures the laminated structure behavior of the heterogeneous material, and significantly improves the calculation efficiency. By introducing surface nodes, the high-order laminated beam model simplifies the characterization of the layered damage, and facilitates the insertion of the cohesive force unit between the sub-laminated beams. Under the framework of the cohesive force model, a damage-plastic interface constitutive relationship is established to simulate the interface behavior. Different from the traditional damage mechanics model, the damage-plastic interface constitutive model considers the friction dissipation and plastic dissipation effect, and significantly improves the modeling accuracy. The application decouples the damage and plastic deformation into two stages in the effective stress space, simplifies the complex problem into an ideal elastic-plastic problem, significantly reduces the calculation cost, and significantly improves the prediction accuracy.

The utility model provides an assembly type composite slab and composite beam temporary haunching supporting device, and relates to the technical field of supporting devices, the assembly type composite slab and composite beam temporary haunching supporting device comprises a plurality of supporting seats and opposite-pull screw rods, each supporting seat comprises angle steel, reinforcing plates are arranged on the two sides of each angle steel, and screw rod holes for the opposite-pull screw rods to penetrate through are formed in the angle steel. The device is simple and convenient to operate and high in efficiency, shortens the construction period of a template project, reduces the cost while ensuring the quality, and brings certain economic benefits.

The gantry hoist trolley walking mechanism mainly comprises a first guide rail, the first guide rail is arranged at the top of a hydraulic dam, and a cart walking mechanism moves left and right on the first guide rail; a second guide rail is mounted at the top of the cart traveling mechanism; the trolley traveling mechanism moves back and forth along the second guide rail and measures displacement through a photoelectric sensor; a gyroscope is installed on a grabbing beam at the lower end of the trolley walking mechanism and used for measuring the attitude angle of the stoplog door. The trolley walking mechanism comprises a trolley body, and idler wheels are installed on the front portion and the rear portion of the trolley body, located on the second guide rail and driven by a trolley motor. A trolley motor is controlled through a position controller and a stoplog gate posture controller, position control over a trolley walking mechanism is achieved, and the grabbing beam is right suspended at the target position. According to the portal hoist trolley walking mechanism and the accurate position control method thereof, accurate position control and stable operation of the trolley walking mechanism can be achieved.

The invention discloses a method for calculating the flexural capacity of an assembled integral UHPC-HSC beam plate column joint. The method comprises the following steps: prefabricating an HSC column, a U-shaped UHPC beam template, a UHPC laminated plate, a post-cast joint, a laminated T-shaped beam plate area and a column bolt connecting piece, and assembling to obtain an integral UHPC-HSC laminated beam plate; according to the structural characteristics of the assembled integral UHPC-HSC beam-slab-column joint, a target beam-slab-column joint playing a key role in beam hinge damage is determined; and assuming a flat section, simplifying a concrete stress graph of a pressed area into an equivalent rectangular stress graph according to the concrete constitutive model and the steel bar constitutive model, and calculating to obtain the bending moment of the beam-column joint according to a balance equation of the force and moment of the beam-column joint area. According to the method, the accuracy of a calculation result is ensured by simplifying the UHPC stress graph of the tensile region and considering the material characteristics.