857 results about "Beam column" patented technology

The invention relates to the technical field of reinforcement cage automatic machining, in particular to a rectangular beam column reinforcement cage automatic machining method which comprises the following steps that S1, longitudinal bars and stirrups are blanked and machined; s2, the stirrups are sequentially placed above a clamp system through a material placing robot; s3, conveying the single longitudinal bars to a synchronous conveying device through a single longitudinal bar conveying device; s4, the clamp system is conveyed to a transverse moving mechanism; s5, the pushing trolley, close to the assembling and welding device, of the synchronous conveying device drives the longitudinal bars to be synchronously conveyed to the assembling and welding device, and the longitudinal bars are conveyed back and forth through the pushing trolley close to the assembling and welding device till all the longitudinal bars are conveyed to the assembling and welding device; s6, the stirrups and the longitudinal bars are welded through a welding robot; through the intelligent processing technology, compared with the prior art, the efficiency of assembling and mounting is greatly improved, and compared with a conventional prefabricated part steel bar manufacturing mode, the carbon emission per unit yield of a component is remarkably reduced.

The present subject matter discloses a novel roof designs of a blow-molded storage shed that enhances structural stability while ensuring ease of assembly and disassembly. The roof assembly features a beam support frame with multiple interconnected beam columns and crossbars, providing robust support for the roof structure. A central roof panel, equipped with an embedded seamless folding groove, folds to create a roof peak during installation. Additionally, side roof panels are connected to the central roof panel, forming a cohesive and durable roof assembly. This design optimizes both strength and ease of construction.

The invention discloses a fabricated building module anti-seismic connection node structure, which relates to the field of fabricated buildings, is used for connecting beam columns and I-shaped beams, and comprises two connection plates symmetrically mounted at the end parts of the I-shaped beams; the fixing base is fixedly installed on the beam column, two symmetrically-arranged bearing parts are arranged on the fixing base, inserting grooves allowing the connecting plates to be inserted are formed in the bearing parts, and the connecting plates are connected with the bearing parts through bolts; the N first friction pieces are arranged between the two bearing parts; the first friction pieces and the second friction pieces are distributed in a staggered mode to form a friction contact face, during an earthquake, displacement of the beam column and the I-shaped beam forces the first friction pieces and the second friction pieces to slide relatively, kinetic energy is converted into heat energy to be dissipated, meanwhile, the N first friction pieces and the N + 1 second friction pieces are staggered to form multi-point friction, and the friction contact face is formed. The energy consumption efficiency is gradually increased along with the displacement magnitude, the anti-seismic energy consumption capacity of the structure is greatly improved, and damage of an earthquake to a building structure is effectively reduced.

The invention discloses an I-shaped column-full dry type connection RC beam column joint and a connection method, and belongs to the technical field of building structure engineering. The joint comprises a prefabricated I-shaped column, a stepped beam, a shear connector and a U-shaped connecting steel plate. A long bracket and a short bracket are respectively arranged at the top and the bottom of the I-shaped column; the end part of the step-shaped beam is in an inverted step shape and is provided with an extending section; the shear connector is a long-strip-shaped steel member provided with a screw rod; and the U-shaped steel plate is provided with screw holes which are respectively matched with the shear connector and the beam end screw. During connection, rapid assembly is achieved in the mode that the brackets of the upper column and the lower column are in lap joint, shear key grooves are interlocked, the shear connectors penetrate into the square holes, the beam bodies are supported on the combined brackets, and finally the U-shaped steel plates are used for anchoring. According to the joint, complete dry type operation is achieved, cast-in-place concrete and steel bar welding are not needed, the construction efficiency is remarkably improved, wet operation is reduced, loads can be borne after installation, the overall performance is reliable, and the development requirement of fabricated buildings is met.

The invention provides a counterweight difference adjustment method for hogging moment area jacking of a special-shaped multi-girder steel-concrete composite beam, which comprises the following steps of: establishing a finite element model of the special-shaped multi-girder steel-concrete composite beam, and arranging two ends and the middle part of the special-shaped multi-girder steel-concrete composite beam on a beam column; performing jacking height simulation of different numerical values on the special-shaped multi-girder steel-concrete composite beam at the middle supporting point for many times to obtain a first bridge deck stress result at the middle supporting point; carrying out balance weight difference adjustment finite element simulation on the basis of the first bridge deck stress result, and applying a balance weight along the line type of the main beam to adjust the pre-compressive stress of the bridge deck at the middle fulcrum of the main beam so as to achieve a design target; and the concrete bridge deck is constructed on the basis of counterweight data obtained through counterweight difference adjustment finite element simulation. By establishing a finite element model and carrying out multi-group jacking height simulation and subsequent counterweight difference adjustment simulation, the stress state of the bridge deck at the middle fulcrum of each main beam under different working conditions can be accurately determined. The counter weight is applied on the basis, so that the stress nonuniformity caused by a special-shaped structure and a multi-girder system can be effectively made up, the pre-compressive stress of the bridge deck at the middle supporting point of each girder is more uniform, and the design goal is accurately achieved.

The utility model discloses a combined building beam, column and shear wall reinforcement cage building system, which belongs to the technical field of building engineering, and comprises a beam reinforcement cage, a column reinforcement cage and a beam column connecting piece, the top of the column reinforcement cage is spliced with the bottom surface of the beam column connecting piece, the side part of the beam column connecting piece is spliced with one end of the beam reinforcement cage, and the other end of the beam reinforcement cage is spliced with the column reinforcement cage. The beam reinforcement cage and the column reinforcement cage are assembled after being prefabricated, and the beam column connecting piece is designed at the joint of the beam reinforcement cage and the column reinforcement cage, so that connection between the beam reinforcement cage and the column reinforcement cage is facilitated, and the beam reinforcement cage and the column reinforcement cage can be assembled conveniently. And the on-site construction time can be greatly saved.

The invention relates to a long rectangular steel reinforced concrete column and steel reinforced concrete beam connecting joint and a design method. The long rectangular steel reinforced concrete column and steel reinforced concrete beam connecting joint comprises a steel reinforced concrete column arranged in the vertical direction, a steel reinforced concrete beam arranged in the horizontal direction, a section steel assembly located in a joint area, connecting section steel, reinforcing steel bars and concrete. The profile steel assembly comprises a first web plate, a second web plate and two flange plates which are welded and fixed, the first web plate and the second web plate are vertically arranged and are perpendicular to each other, and the two flange plates are arranged on the two sides of the second web plate correspondingly; the connecting profile steel comprises a third web and two connecting flanges located at the upper end and the lower end of the third web. The first web is welded with a flange of in-column profile steel arranged in the steel reinforced concrete column, the connecting profile steel is welded with a flange plate, in-beam profile steel arranged in the steel reinforced concrete beam is in bolt welding equal-strength connection with the connecting profile steel, and the second web is arranged parallel to the axial direction of the steel reinforced concrete beam; the problems that the built-in profile steel of the beam column cannot be directly connected and the shear bearing capacity of a node core area is insufficient due to the fact that the beam is flush with the column edge are solved.

The invention proposes a three-dimensional modeling method based on multi-view image fusion and AI semantic material decoupling, and the method comprises the steps: employing a self-adaptive overlapped region weighted fusion strategy in an image preprocessing stage through an improved pyramid block matching algorithm, dynamically adjusting the gray value of a pixel through an inverse distance weighting function, and carrying out the dynamic adjustment of the gray value of the pixel; exposure differences and splicing gaps among multi-view images are eliminated, building structure features are extracted through a graph convolutional network by constructing a two-channel deep learning network and a space geometric channel, semantic segmentation of eaves and beam column components is achieved, and in the two-channel deep learning network, a material decoupling channel adopts an adversarial generative network; according to the method, the texture alignment precision can be improved to 0.3 pixel level in an ancient building digital case, the material attribute restoration error is lower than 8%, the model is supported to directly perform weathering simulation and virtual restoration operation in a Unity / Unreal engine, and a new technical normal form is provided for digital protection and activation utilization of cultural heritage.

The invention discloses a fabricated concrete industrial factory building structure, and relates to the technical field of industrial factory buildings. The assembly type concrete industrial factory building structure comprises a plurality of layers of laminates, the laminates are connected and supported through prefabricated concrete stand columns, each layer of laminate comprises a frame built through a concrete steel structure and a pavement structure laid on the top of the frame, and the frame comprises concrete cross beams, concrete longitudinal beams and concrete secondary beams. The concrete cross beams, the concrete longitudinal beams and the prefabricated concrete stand columns are perpendicularly connected through the main nodes. Concrete and I-shaped steel are combined and poured into a firmer beam column, stable installation and connection can be achieved only by using main joints and secondary joints to be matched with bolts at the connecting positions of all the parts, then a small amount of welding is conducted, more stability is achieved, the construction efficiency is high, follow-up dismantling work can be conveniently conducted, and the top surface layer is spliced through non-rib-out laminated plates, so that the construction cost is reduced. And then the concrete pavement is paved, so that the construction is relatively simple and rapid.

The invention relates to the technical field of valve drilling, and discloses large-diameter valve automatic indexing flange plate drilling equipment which comprises a base and a cross beam stand column fixedly installed above the base, an X-axis platform is arranged above the cross beam stand column, a Z-axis platform is arranged on one side of the X-axis platform in a sliding mode, a drilling machine is fixed to the Z-axis platform, and the drilling machine is fixed to the base. A rotary working table driven by a servo motor is arranged above the base, a valve is arranged above the rotary working table, the rotary working table supports the valve to rotate so as to conduct indexing flange drilling, a brake system is arranged on the outer side of the rotary working table, and the clamping and fixing part is arranged above the base. According to the device, the first telescopic plate is matched with the placement seat, and then the extension plate and the placement seat are matched with the valve, so that the extension plate is pushed out from the interior of the placement seat, the extension plate extends to the upper surface of the valve to adsorb drilling chips on the valve, and the cleaning effect of a valve hole is improved.

The invention discloses a temporary structure suitable for an assembly type station ending end, which comprises a temporary support structure arranged in a shape like a Chinese character'tian ', the temporary support structure is divided into a foundation support frame provided with an outer ring and a cross-shaped inner support frame body arranged between the foundation support frames, and the temporary structure further comprises an underpinning system arranged in the temporary support structure; through the construction method and structure of firstly building temporary steel beam columns and firstly supporting and then underpinning, the assembly starting point and end point positions of the full-prefabricated rectangular flat-top assembly type station are suitable for the working condition, the method can solve the problem of space and time conflict between the assembly trolley and the temporary steel stand columns, it is ensured that the assembly trolley is normally put into use, and the construction efficiency is improved. Meanwhile, the mounting and dismounting workload of the temporary section steel beam column is reduced, the construction efficiency is improved on the premise of ensuring the splicing quality, the high-place operation risk is reduced, meanwhile, normal construction of a post-pouring beam column system can be ensured, and the mounting and dismounting amount of large section steel components is reduced.

The utility model relates to a beam column reinforcing steel bar connecting structure of a concrete prefabricated assembly type building, which comprises a prefabricated column die cavity, a prefabricated beam die cavity and a prefabricated floor die cavity, and a prefabricated column reinforcing steel bar keel and a prefabricated beam reinforcing steel bar keel are pre-mounted in the prefabricated column die cavity and the prefabricated beam die cavity respectively. The prefabricated column steel bar keel comprises at least two column outer side steel bars and at least two column inner side steel bars, the prefabricated beam steel bar keel comprises at least two beam outer side surface bars and at least two beam inner side steel bars, and the column outer side steel bars and the beam outer side surface steel bars are manufactured by bending the same first reinforcing steel bar to form an upper section and a lower section which are perpendicular to each other. The lower section is pre-installed in a prefabricated column steel bar keel, and the upper section is pre-installed in a prefabricated beam steel bar keel in a prefabricated beam mold cavity. The connecting strength of the prefabricated column and the prefabricated beam is improved, and the pressure resistance, the shock resistance, the supporting stability and the house safety are improved.

The invention discloses a two-stage friction energy dissipation type self-resetting beam column joint structure, and relates to the technical field of structural damping. The cantilever beam is vertically arranged on the middle-section side wall of the stand column; the splicing beam and the cantilever beam are arranged at an interval, and the free end of the cantilever beam is arranged opposite to the free end of the splicing beam; an upper wing plate of the cantilever beam is connected with an upper wing plate of the splicing beam; a lower wing plate of the cantilever beam is connected with a lower wing plate of the splicing beam; a two-stage friction energy consumption device is arranged between the free end of the cantilever beam and the free end of the splicing beam; two disc spring reset devices are arranged on the two faces of a web of the cantilever beam side by side respectively. Different lengths of the arc-shaped long holes in the friction plate are used for controlling graded friction energy consumption of nodes under different seismic intensities; the friction plate can return to the initial position through the disc spring reset device, the problem of residual displacement of the friction plate is solved, residual deformation of a structure after an earthquake is effectively reduced, and post-earthquake loss of a building structure is reduced.

The invention provides a self-resetting assembly type beam column joint based on sawtooth-shaped flange resetting connecting pieces and self-balancing disc spring web connecting pieces, and the self-resetting assembly type beam column joint mainly comprises a steel column with a cantilever beam section; a steel beam; the sawtooth-shaped flange self-resetting connecting assembly enables the steel beam and the cantilever beam section to be connected and fixed at the upper flange and the lower flange through sawtooth mechanical occlusion and disc spring bolts, sliding friction energy consumption is achieved through sawtooth mechanical occlusion, and self-resetting is achieved through the disc spring bolts; the self-balancing disc spring web connecting assembly connects and fixes the steel beam and the cantilever beam section at the web through a self-resetting disc spring set, and self-resetting is achieved through the self-resetting disc spring set. The self-resetting beam-column joint provided by the invention has an efficient composite self-resetting function, and can restore to an initial position after an earthquake is ended, so that residual deformation is remarkably reduced, and the post-earthquake repair cost is reduced.

The invention discloses an intelligent construction assembly type steel beam column rigid connection joint, and relates to the technical field of constructional engineering structures. According to the technical scheme, the intelligent construction assembly type steel beam column rigid connection joint comprises a connection joint body, I-shaped steel is connected to the two sides of the connection joint body, guide shells are arranged on the two sides of the connection joint body, adjusting mechanisms are fixedly connected to the upper portions of the guide shells, and guide wheels are arranged on the lower portions of the adjusting mechanisms; the two sides of the guide wheel are fixedly connected with first transmission wheels, the first transmission wheels are in transmission connection with a transmission belt, the transmission belt is in transmission connection with a second transmission wheel, and the second transmission wheel is fixedly connected with a first gear. The second gear rotates to drive the third gear to move, the third gear rotates to drive the positioning plate to move, and then the positioning plate is automatically driven to press the two sides of the I-shaped steel in the process that the I-shaped steel gets close to the connecting joint, so that the two sides of the I-shaped steel are limited, and positioning of the I-shaped steel in the horizontal direction is achieved.

The invention relates to the technical field of building structure reinforcement, and discloses a prefabricated assembly type beam-column joint rapid reinforcement structure and a construction method, the prefabricated assembly type beam-column joint rapid reinforcement structure comprises a superposed prefabricated part, a beam end connecting part, a column boundary reinforcing part and a beam boundary adjusting part; the column boundary reinforcing piece is arranged on the column outer wall of the building beam-column joint in a surrounding mode. The superposed prefabricated parts are at least arranged in the geometric height range of the beams, surround the outer wall of the column and are staggered from the beams in a multi-layer stacking manner in the vertical direction; the laminated prefabricated part on the lowermost layer is fixed with the upper part of the column boundary reinforcing part; the beam end connecting pieces are arranged on the two sides of a beam of the building beam-column joint, and the beam end connecting pieces are fixedly connected with the two sides of the multi-layer laminated prefabricated piece and the two sides of the beam correspondingly. Prefabricated reinforcing pieces are stacked on the column of the beam-column joint in a surrounding mode, and the beam-column joint is wrapped so that the rigid domain range of the beam-column joint can be expanded; in addition, through the beam boundary adjusting piece, when a rare earthquake occurs, a beam concrete protection layer is damaged, the plastic hinge is made to be away from the beam column interface, and the integrity of the beam column joint is further guaranteed.

The invention relates to the technical field of construction equipment, and discloses a civil engineering building construction device which comprises a bottom beam column outer protection plate installed outside a building bottom beam. The supporting beam outer protection plate is installed outside the building supporting beam, and the bottom of the building supporting beam is connected with the corresponding positions of the top of the building bottom beam; the pouring mold base is formed by combining two half molds which are arranged in a mirror image mode, the pouring mold base is installed on the upper portion of the building bottom beam, and the outer portion of the pouring mold base is connected with the corresponding positions of the supporting beam outer protection plate through connecting components; and the sinking force dispersing mechanism is used for dispersing sinking force generated in the pouring use process of the pouring mold base. By adding and arranging the synchronous processing mechanism, when top cross beams of buildings such as doors, windows and the like are poured, the mechanism drives mechanical vibration through high-pressure water flow to replace traditional manual vibration, a turnover part in a spiral flow channel impacts a semicircular conduction piece to generate uniform vibration force, and full-range vibration of a pouring cavity is achieved.

The invention belongs to the technical field of earthquake toughness improvement of old buildings and earthquake response rapid calculation based on an artificial intelligence technology, and discloses a node for a BRB reinforced old reinforced concrete frame structure, a design method and an earthquake toughness improvement rapid evaluation method of the BRB reinforced old reinforced concrete frame structure. The joint comprises a frame structure beam column joint composed of a reinforced concrete beam component, a column component and a plate component, a buckling restrained brace, a high-strength bolt, a connecting plate, a cladding plate, a bottom plate and stiffening ribs. According to the connection node structure provided by the invention, the damage to the opening positions of the plate components is easier to control through the structure design compared with the damage to the opening positions of the beam and column components in the conventional connection node structure, and the integrity and the bearing capacity of the beam and column components serving as main bearing components of the structure are better protected. According to the probability-based earthquake toughness improvement evaluation method, the structural vulnerability is adopted as a comparison parameter, and the reinforcing effect of the buckling restrained brace on the structure is displayed more visually and more comprehensively through vulnerability control rate analysis.

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.

The invention discloses a beam column structure for a super-large-span steel structure building and a construction method thereof. The beam column structure comprises a supporting column, the top end and the bottom end of the supporting column are fixedly connected with matched lock plates A, and matched lock holes A are formed in the two ends of each matched lock plate A; the cross beam carrying assembly is arranged between the two supporting columns and comprises a vertical plate and two transverse plates, the two transverse plates are fixedly connected to the top end and the bottom end of the vertical plate correspondingly, the ends, away from each other, of the two transverse plates are fixedly connected with limiting columns A matched with the matched lock holes A, and the two sides of the vertical plate are fixedly connected with limiting columns B; the invention relates to the technical field of steel structure buildings. Through combined connection of the supporting columns, the cross beam carrying assembly and the cross beam body, rapid splicing of the supporting columns, the cross beam carrying assembly and the cross beam body can be achieved by means of the stability maintaining assembly on the construction site, the construction period is greatly shortened, and later recovery is facilitated.

The invention discloses a three-dimensional shelf cross beam length detection device, and particularly relates to the technical field of length measurement, the three-dimensional shelf cross beam length detection device comprises a stand column and a cross beam column, one side of the stand column is provided with a range finder used for detecting the length of the cross beam column, and a stable measurement assembly is connected between the range finder and the stand column; the stable measurement assembly comprises two lug plate clamps symmetrically installed outside the stand columns, and the lug plate clamps are used for being stably connected with the stand columns with different contours. Through the arrangement of the stable measurement assembly, the cross beam column and the range finder, bolts on the surface of the stand column do not need to be avoided deliberately in the range finder mounting process, the range finder can be accurately mounted to a preset position, deviation between the mounting position of the range finder and the cross beam column is prevented, and the view field range detected by the range finder is changed; it is ensured that the range finder accurately covers key parts of the beam column, the deformation degree of the beam column is conveniently detected, and accurate detection of the length of the beam column is improved.

The utility model relates to the field of building construction, and discloses a wall beam column connecting joint. The connecting structure comprises a beam column structure and a connecting reinforcing joint, the connecting reinforcing joint comprises a transverse reinforcing steel plate, a vertical steel plate, a transverse threaded rod, a U-shaped steel plate, fixing pieces and a second beam column, a vertical connecting rod is arranged at the intersection of the U-shaped steel plate and the second beam column, and the outer ends, located at the upper end and the lower end of the U-shaped steel plate, of the vertical connecting rod are provided with the second fixing pieces; a vertical steel plate and a transverse reinforcing steel plate are pre-embedded into a beam column structure, a transverse threaded rod penetrates through the vertical steel plate and the beam column structure, a U-shaped steel plate and the beam column structure are fixed through a fixing piece, and after the U-shaped steel plate is fixed, a second beam column and the U-shaped steel plate are fixed; and meanwhile, the joint of the U-shaped steel plate and the beam column II is reinforced through a vertical connecting rod and a fixing piece II, and meanwhile, the beam column structure is fixed through embedded vertical ribs and embedded steel bar rings in the beam column structure.

The utility model discloses a truck crane supporting leg load transmitting and monitoring device which comprises a supporting and fixing module and a bearing module, the supporting and fixing module is placed on a beam column of a floor slab, the bearing module is installed on the supporting and fixing module, and the bearing module supports a truck crane supporting leg; the supporting and fixing module comprises support supports, frame connecting rods and first transverse limiting rods, the support supports are symmetrically arranged on the two sides of the bearing module respectively, the frame connecting rods are further installed on the support supports, and the outer sides of the support supports on the two sides of the bearing module are connected with the symmetrically-arranged support supports through the first transverse limiting rods. The bearing module comprises a suspended beam, a supporting leg bracket and a second transverse limiting rod. Through the arrangement of the supporting and fixing module and the bearing module, the force transmission path of the load of the truck-mounted crane supporting leg is changed, the truck-mounted crane supporting leg is prevented from directly transmitting large concentrated load to a structural floor, and the safety and the stability of an existing structure in the hoisting process are guaranteed.

The invention discloses a self-resetting energy-dissipation inorganic glue composite bamboo beam column joint and a construction method, and relates to the technical field of building structures.The self-resetting energy-dissipation inorganic glue composite bamboo beam column joint comprises inorganic glue composite bamboo columns, inorganic glue composite bamboo beams and connecting steel pipes, and the inorganic glue composite bamboo columns are spliced through the connecting steel pipes; the inorganic glue composite bamboo beam is connected with the inorganic glue composite bamboo column through the composite damper; wherein a cross-shaped steel plate is arranged in the connecting steel pipe, the inorganic glue composite bamboo column is connected with the cross-shaped steel plate in an inserted mode, and glue is injected into an inserted connection gap; the composite damper comprises a metal damper and an SMA screw connected with the metal damper in parallel. According to the inorganic glue composite bamboo column, the connecting steel pipes internally provided with the cross-shaped steel plates are adopted for splicing, and the initial rigidity and the bearing capacity are guaranteed; the composite dampers are connected between the beam columns, residual deformation of the joint is reduced, and the anti-seismic requirement is met.

The utility model discloses a modular combined square cabin, and relates to the technical field of combined square cabins. Comprising a square cabin body, the square cabin body comprises base foot pieces, beam column connecting foot pieces, supporting inner beams, a bottom plate, a top plate, a door formwork, a window formwork and wallboards, and the base foot pieces and the beam column connecting foot pieces are arranged up and down. According to the method, firstly, base foot pieces are laid, then bottom frame steel beams and stand columns are installed, then beam column connecting foot pieces, supporting inner beams and a bottom plate are installed, then a door formwork, a window formwork and wall plates are installed, and finally a top plate, the rest beam column connecting foot pieces, the rest supporting inner beams and the rest wall plates are installed. According to the combined square cabin, bolt type fixing is adopted in the combining process, bolt fixing is not used, any tool is not used, rapid splicing and storage are convenient, the installing efficiency, the structural reliability, the maintainability and the installing flexibility of the combined square cabin are effectively improved through the combining method, meanwhile, the installing cost is reduced, and the installing reliability is improved.

The utility model relates to the technical field of building reconstruction and expansion, and discloses a support structure for expanding a steel structure column on a frame structure column, which comprises a base, a fixed column is fixedly connected to the top of the base, a beam column is fixedly connected to the top of the fixed column, and fixed plates are fixedly connected to the left side and the right side of the fixed column. Rotating pieces are fixedly connected to the sides, away from each other, of the two fixing plates, first supporting columns are rotatably connected to the sides, away from each other, of the two rotating pieces, connecting plates are slidably connected to the interiors of the two first supporting columns, and second supporting columns are slidably connected to the outer walls of the two connecting plates. According to the supporting device, the fixing plates are installed on the two sides of the fixing column, the adjusting bolts are rotated to drive the second supporting column and the first supporting column to be unfolded and support and fix the beam columns, the clamping plates can be driven to move synchronously by rotating the threaded rods, therefore, the beam columns of different sizes can be clamped and fixed, and the application range of the supporting plates is widened.

According to the beam-column stainless steel joint suitable for the ocean island reef environment, a stainless steel annular partition plate is arranged in a stainless steel sleeve, and a plurality of structural stainless steel bars used for being connected with prefabricated columns are welded to the upper side and the lower side of the stainless steel annular partition plate; a stainless steel beam support and an I-shaped profile which are connected with the precast beam are arranged on the outer side of the sleeve and are fixed through a stainless steel bolt anchor connecting piece. The prefabricated beams and the prefabricated columns are made of stainless steel, fiber reinforced composite material profiles and seawater and sea sand fiber cement-based composite materials. Stainless steel sleeves are used for restraining expansion of the prefabricated columns, stainless steel ribs are constructed to enhance the bending-shear resistance, I-shaped profiles improve the shear resistance of the joints, and stress optimization is achieved; the stainless steel material and the full-steel-free design effectively resist seawater corrosion; the beam support has a template function, construction is simplified through bolt-anchor connection, and the beam support is suitable for rapid assembly in the ocean island reef environment. The method has the advantages of high durability, strong bearing capacity and convenience in construction, and the maintenance cost in the marine environment is obviously reduced.

The utility model discloses a large-column-distance corner-column-free frame-core tube super high-rise building structure. The large-column-distance corner-column-free frame-core tube super high-rise building structure comprises an outer frame, a core tube and a floor system structure. The outer frame comprises a large-span frame beam, a long cantilever beam and a plurality of outer frame columns; the large-span frame beam and the long cantilever beam are rigidly connected with the outer frame column respectively to form a continuous beam; the radiation secondary beams of the floor system structure are hinged to the core tube and are rigidly connected or hinged to the large-span frame beams, the long cantilever beams and the outer frame columns according to stress requirements. The vertical load is firstly transmitted to the core tube and the large-span frame beams and the long cantilever beams of the outer frame through the floor system structure, and then is transmitted to the outer frame columns through the large-span frame beams and the long cantilever beams; the outer frame columns are only provided with a small number of side columns and have no corner columns; the large-span frame beam can be only one span; the number of the outer frame columns is small, stress is more reasonable, large vertical axial force is mainly borne, the bottom is not prone to being pulled, beam column connecting joints are reduced, steel is saved, the construction efficiency is improved, and the building view is wide.

The utility model discloses a steel structure beam column positioning and connecting structure which comprises a steel column, a steel beam and a mortise and tenon joint structure used for connecting and positioning the steel beam and the steel column. The mortise and tenon joint structure comprises a positioning steel tenon arranged on one of the steel column and the steel beam and a positioning mortise formed in the other one of the steel column and the steel beam, and the steel column and the steel beam are connected and positioned by inserting the positioning steel tenon into the positioning mortise. According to the utility model, the installation is accurate and convenient, the installation progress can be greatly accelerated, the installation is rapid and efficient, rapid positioning and connection are realized, the safety in the steel beam installation process is greatly improved, the steel beam is more convenient to adjust and fasten, and the safety in the steel structure installation process is greatly improved; and meanwhile, the tensioning procedure frequently needed between the two steel columns is avoided.