362results about "Load-supporting elements" patented technology

A composite wall and building system. The composite wall and building system provide a structural beam formed of fiberglass composite having one or more flanges that engage with an insulation member. The structural beam may be formed in a variety of dimensions and profiles. A plurality of structural beams is used together to form a wall or other parts of the building. A panel is used to cover the beams and insulation. The wall sections are joined together with interlocking beams and fasteners are used to secure the beams to each other and wall sections to other wall sections. The composite beams and insulation are coated with a fire-retardant material. A modified beam is used in certain applications for additional strength and connection points with other preexisting wood structures.

A building panel for modular construction. The building panel utilises less framework for reduced complexity, materials and weight. The panel utilises features of the formwork to allow the panel to be moved easily. The panel further utilises new formwork moulds that are easier to use and create effective patterns for keying with like panels.

Provided is a panel suitable as a floor, ceiling or wall panel, which panel is of a planar design having an upper side, a bottom side and side edges which include a first side edge provided with a first profile and a second side edge provided with a second profile. The first profile and the second profile are interacting profiles that can be coupled to each other, so that a first panel can be coupled in one common plane to a second, identical panel by the interacting profiles. The first profile and the second profile in coupled condition establish an interlocking with each other both in a horizontal direction and in a vertical direction. The first profile and the second profile are configured to allow for a coupling of the interacting profiles of the first panel with the second panel by a vertical insertion of the interacting profile of the first panel into the interacting profile of the second panel.

The invention discloses a ternary topological mixed truss girder based on steel-mixed-cable cooperative stress, and belongs to the technical field of constructional engineering, the ternary topological mixed truss girder comprises at least one single body structure, each single body structure is composed of an upper concrete body, a middle truss assembly and a lower prestress assembly from top to bottom, and each middle truss assembly comprises a web member and an inclined strut; the multiple web members are distributed in a linear mode at intervals, and the inclined struts are arranged between every two adjacent web members. The lower prestress assembly comprises anchoring seats and anchor cables, the multiple web members are each provided with one anchoring seat, and all the anchoring seats are connected through the anchor cables. According to the ternary topology hybrid truss girder, high rigidity of a pressed area and high strength and light weight of a pulled area are achieved, meanwhile, differentiation reinforcement of a midspan area is achieved, and stress coordination of multiple components is guaranteed. The invention further discloses a construction method of the ternary topology mixed truss girder based on steel-mixed-cable collaborative stress.

Disclosed is a splicing method for seamless butted laminated bamboo lumber (LBL), falling within the technical field of LBL. According to the present disclosure, positions needing to be spliced on end faces of bamboo materials are applied with glue adhesive, and butted by tenon-mortise structures, the tenon-mortise structure being at least one of a semicircle, a semi-ellipse, a V-shape and a U-shape. An included angle between a plane at a top of the V-shape and the end face of the bamboo material is greater than 14° when a single V-shape is adopted. According to the present disclosure, by butting the bamboo materials, products with any length, width and thickness can be produced, and the produced products are seamless, which improves the strength and stability of the products.

The invention relates to the technical field of simulation calculation, in particular to a simulation calculation method of a U-shaped steel-encased-concrete composite beam, which comprises the following steps: S1, establishing a two-parameter interface equivalent stiffness model of the U-shaped steel-encased-concrete composite beam with a rear anchor bolt; s2, solution and response extraction; s3, calculating a slip residual error and interface energy, and judging whether a target slip feature is met or not according to a double-convergence criterion; if the convergence requirement is not met, adaptively updating the interface parameters and returning to S2 for repeated solution, and if the convergence criterion is met, applying the converged interface rigidity parameters to design feedback of pretightening force selection of the rear anchor bolts and anchor bolt spacing and node construction of the rear anchor bolts. According to the method, the two-parameter interface equivalent stiffness model and the adaptive algorithm based on the slip residual error enable the interface normal stiffness and the interface tangential stiffness to be automatically converged to the target slip characteristic, manual parameter adjustment is avoided, the simulation stability and the calculation precision are improved, and integration of composite beam structure design and simulation analysis is achieved.

The invention discloses a construction method of a large-span string steel-wood composite structure, which belongs to the technical field of steel-wood composite structure construction, and comprises the following steps: symmetrically setting up two groups of sliding trolleys in the middle of a three-layer concrete floor and steel upright posts and facade steel frames in the middle, welding a splicing bracket and an operating platform at the top of the trolleys, and completing midspan component splicing and initial tensioning; after installation of the remaining steel stand columns and the facade steel frame is completed, the steel stand columns and the facade steel frame sequentially move towards the outer side till assembly and initial tensioning of all components are completed; and then secondary cable force fine adjustment is carried out on the whole steel inhaul cable. In this way, in-situ assembly is conducted from the sliding platform erected on the three-layer concrete floor to the designed elevation of the lower chord wood arch, and the integrity of a steel-wood structure and the installation quality of a steel-wood roof in the whole construction process are guaranteed; during tensioning in the construction process, at least two main structures are connected together through the secondary beams, and the out-of-plane instability risk caused by single-truss tensioning is avoided.

The utility model relates to a fabricated wall structure, which belongs to the technical field of prefabricated walls and comprises an ALC (autoclaved lightweight concrete) light partition batten, a door, a door side plate, a door lintel plate, a U-shaped clamp and a structural beam / plate. The ALC light partition wall battens are mutually spliced, the door edge plates are fixed to the left side and the right side of the door, and the door lintel plate is arranged above the door. The splicing positions of the upper ends of the ALC light partition wall battens, the door head plate and the door lintel plate are connected in a clamped mode through U-shaped clamps. A fastener is arranged on the U-shaped clamp and is connected between a top plate of the U-shaped clamp and the structural beam / plate; a mortar layer is arranged between the ALC light partition wall and a structural beam / plate at the top of the ALC light partition wall, and mortar used in the mortar layer contains an AEA expanding agent; the two adjacent ALC light partition wall battens are fixed through the U-shaped clamps, the flatness and the structural stability of the ALC light partition wall battens can be improved, the inverted-U-shaped clamps and the structural beams are fixed through the fasteners, the structural stability of an inner wall is further improved, the square tube steel columns / concrete constructional columns and the structural wall columns are arranged between the ALC light partition wall battens, and the structural wall columns are arranged between the square tube steel columns / concrete constructional columns and the structural wall columns. And the wall body structure can be further reinforced.

The utility model provides an outer wall constructional column heat preservation structure which comprises constructional column steel bars, a plurality of first aerated concrete block layers and a plurality of second aerated concrete block layers, wherein the first aerated concrete block layers and the second aerated concrete block layers are alternately built up and down, and a combed joint cylindrical cavity is defined by the first aerated concrete block layers, the second aerated concrete block layers, a left wall body and a right wall body. The concrete is poured in the cavity, the heat insulation plates are arranged in the first aerated concrete building block layer and the second aerated concrete building block layer, the constructional column steel bars are located in the cavity, the first aerated concrete building block layer comprises four L-shaped building blocks which are spliced with one another, and the second aerated concrete building block layer comprises four L-shaped building blocks which are spliced with one another. The second aerated concrete block layer comprises two L-shaped blocks which are spliced with each other; according to the utility model, the heat insulation plates are arranged in the first aerated concrete block layer and the second aerated concrete block layer to form a composite heat insulation structure, so that the transfer of heat energy is effectively reduced, a heat bridge phenomenon is avoided, the heat insulation performance of a building is greatly improved, and the living comfort and the durability of the building are improved.

To provide a building component which enables woods covering at least a part of a steel material to function as a structural material even after a fire.SOLUTION: A building component includes woods 20 having a burning stop function, and a steel material 10 at least a part of which is covered by the woods 20. An unburned portion CB of the woods 20 which is a portion except for a portion carbonized due to a fire receives a load applied to the steel material 10.SELECTED DRAWING: Figure 3

In one preferred form there is provided a panel mount (10). The panel mount (10) comprises an elongate body (14) having a plurality of openings (16) spaced along the elongate body (14). In the panel mount (10) a mount (18) is located opposite each opening (16) for being received by a panel member (20) extending through the opening (16). Each mount (18) is configured for engaging at least one inner surface (22) of the panel member (20) to apply an engaging force that is directed laterally outwardly, relative to the panel member (20), when the panel member (20) extends through the opening and engages the mount (18).

The utility model provides a section bar and a mobile office cabin, a hexagonal support frame is formed by connecting section bars end to end, two sides and two ends of a support plate are respectively installed in a first installation groove and a second installation groove, the section bar comprises a fixed part and a support part, the support part is located on one side of the fixed part, the cross section of the fixed part is of an L-shaped structure, and the cross section of the support part is of a U-shaped structure. The cross section of the supporting part is of a fan-shaped structure, the first outer side wall of the fixing part and the first outer side wall of the supporting part form a first mounting groove, the second outer side wall of the fixing part and the second outer side wall of the supporting part form a second mounting groove, and the first mounting groove and the second mounting groove are respectively used for mounting plates. According to the sectional material and the movable office cabin, the fixing part and the supporting part of the sectional material are of the machining integrated structure, the first mounting groove and the second mounting groove are formed in the sectional material in a matched mode so as to be used for fixing plates and facilitating construction and assembly of workers, the arc face of the fan-shaped structure can avoid right angles and daily rubbing, and attractiveness is considered.

The present invention discloses a metal energy dissipation damper and a replaceable energy dissipation connecting beam structure, which relates to the technical field of earthquake prevention and disaster reduction. The metal energy dissipation damper includes a damper energy dissipation section and surrounding constraint steel plates; the two ends of the damper energy dissipation section have connecting parts extending in opposite directions, and the two side surfaces of the damper energy dissipation section are coated with a non-bonding sliding layer; the surrounding constraint steel plates are arranged around the outside of the damper energy dissipation section, and there is a gap between the surrounding constraint steel plates and the damper energy dissipation section, and the gap is filled with flexible materials and high-strength mortar. The replaceable energy dissipation connecting beam structure includes wall limbs and connecting beam steel concrete sections on both sides; the connecting beam steel concrete section is pre-embedded with steel sections, and the end of the steel sections extends out of the end surface of the connecting beam steel concrete section and is fixed with pre-embedded steel end plates, and the two connecting parts are respectively connected to the two pre-embedded steel end plates by bolts. The present invention realizes that the energy dissipation components can be replaced, and when the connecting beam steel concrete sections on both sides undergo relative displacement in the vertical direction, the damper energy dissipation section is deformed to achieve energy dissipation.

The present invention discloses a light-weight, extremely fast assembled building system, including pipe fittings, plates, connectors and bolts; the four sides of the pipe fittings are provided with a plurality of locking grooves, the locking grooves are equidistantly arranged on the sides of the pipe fittings, pins are arranged in the locking grooves, and through holes are also arranged at the ends of the side of the pipe fittings; the pipe fittings can be used as beams or columns; the four sides of the plate are provided with rotating buckles corresponding to the locking grooves, the rotating buckles are inserted into the locking grooves and rotated to tighten the pins to splice the plate and the pipe fittings; the connectors are made of aluminum alloy, including a connecting body and a connecting column, at least one side of the connecting body is provided with a connecting column, and the six sides thereof are provided with or without connecting columns according to whether the pipe fittings are actually connected; the connecting column matches the inner cavity of the pipe fitting, and the end thereof is provided with a screw hole opposite to the through hole, the connecting column is inserted into the end of the pipe fitting so that the connecting body is matched with the end of the pipe fitting, and the bolt passes through the through hole and is locked into the screw hole. The present invention is easy to assemble and disassemble, has a concealed structure, high building stability, strong load-bearing capacity, and supports multi-story construction.

The invention discloses a concrete prefabricated part, and particularly relates to the technical field of concrete prefabricated parts, the concrete prefabricated part comprises a first connecting cylinder and a second connecting cylinder, the first connecting cylinder and the second connecting cylinder are stacked, and one end of the first connecting cylinder and one end of the second connecting cylinder are each provided with a supporting assembly; the supporting assembly comprises a reinforcing tray arranged at the end of the first connecting cylinder. The reinforcing arc supporting pieces are stressed to deform and diffuse to the outer side, the concrete formwork is lifted by the side faces of the reinforcing arc supporting pieces, the supporting area is enlarged in a deformation mode of the reinforcing arc supporting pieces, and therefore when the device and the concrete formwork are subsequently poured and buried, the device and the concrete formwork can form an integrated structure; the supporting performance of the concrete formwork is improved, the device can easily select a reinforcing arc supporting piece or a reinforcing lead screw for supporting according to different requirements, the diversity of the device in the using process is improved, using is convenient, and meanwhile good practicability is achieved.

The present invention discloses a concrete beam with a vibration regulating structure and a construction method thereof, wherein the concrete beam with a vibration regulating structure comprises: a concrete beam arranged between two concrete columns and a first steel beam arranged between the two concrete columns, the first steel beam and the concrete beam are arranged with an interval up and down, and the concrete beam and the first steel beam are connected by a symmetrically arranged second steel beam; one end of each of the second steel beams is fixedly connected to the concrete beam, and the other end thereof is inclined from the second steel beam to the first steel beam; each of the second steel beams is arranged with a gap between the first steel beam, and the second steel beams are connected to the first steel beam through a vibration reduction connection assembly. The advantages of the present invention are ingenious structure and simple construction, the first steel beam and the second steel beam are fastened to form a whole after being deformed by force, the vertical pre-tension stress between the two can withstand the vibration deformation energy generated by the production equipment, thereby reducing the vibration energy of the concrete beam, and the vibration reduction effect is good and the safety is high.

The application relates to a construction method suitable for a dense longitudinal ribbed steel reinforced concrete beam, which comprises the following steps: installing a first open hoop at the bottom of a beam body on one side of a column; installing a bottom rib at the bottom of the beam body and binding the bottom rib with the first open hoop; arranging a steel beam between the first open hoop; arranging a second open hoop at a column-beam joint and connecting the second open hoop to the end of the steel beam; arranging a top rib and a third open hoop at the upper part of the beam body; arranging a first rib body and a second rib body of an adjacent span beam on the other side of the column; installing a formwork on both sides of the beam body after the column is poured; and pouring concrete in the formwork to form the steel reinforced concrete beam. The steel rib of the steel reinforced concrete beam is bound first, and then the steel rib of the adjacent span beam is bound, so that the construction sequence is optimized, the conflict between the steel beam and the adjacent span beam can be effectively avoided, the steel beam and the column are effectively connected through the second open hoop, the stable connection of the beam-column joint is realized, and the construction efficiency and quality are improved.

The invention provides an orthotropic energy-absorbing metamaterial, a preparation method and application, an open-cell foam metal matrix is alternately filled with two polymers of polyurethane and epoxy resin in a layered manner, and good plasticity of a foam metal-polyurethane (AF-PU) material and high strength of a foam metal-epoxy resin (AF-EP) material are combined, so that the orthotropic energy-absorbing metamaterial is obtained. The orthotropic energy-absorbing metamaterial is formed, so that different polymers as well as the polymers and the foam metal matrix are mutually coordinated and improved; under the action of external force, respective energy absorption characteristics of different component materials can be fully exerted, so that a good synergistic effect is formed among the component materials, and the overall energy absorption efficiency of the material is also improved while the energy absorption of the material is further enhanced. Meanwhile, the energy-absorbing metamaterial has orthotropic property, has different energy-absorbing characteristics in different directions, and can more widely meet the requirements on energy-absorbing materials in actual engineering.

The invention relates to the technical field of building construction, and particularly discloses a semi-steel connection beam column joint, a prefabricated bracket assembly and a support-free construction method. The beam-column joint comprises a column, a prefabricated beam and a prefabricated bracket assembly, longitudinal steel bars of the column are arranged at the four corners in a concentrated mode, the prefabricated bracket assembly penetrates through column steel bars through through holes and then is fixed, a support component and a disassembly-free baffle component are arranged, and the beam-column joint is formed through post-pouring; one end of each precast beam is placed on the support component, upper longitudinal steel bars of the precast beams are connected through end stress steel plates, and the end steel plates of all the precast beams are welded to the polygonal steel plate in the center of the joint. The support-free construction method comprises the steps of prefabricating the bracket assembly, manufacturing and installing the precast beams and the precast columns, laying and adjusting the precast beams, welding the polygonal steel plates, binding the stirrups in the node area and pouring concrete. The steel plates replace hogging moment steel bars in a beam-column joint area, the construction procedures are greatly simplified through steel plate connection and prefabricated beam-slab support-free installation, the construction efficiency is improved, the construction cost is reduced, and meanwhile the excellent anti-seismic performance is achieved. The corbel and the column are prefabricated in a split mode, so that production and transportation efficiency is improved, the formwork and support working procedures are thoroughly omitted, and building efficiency and construction safety are improved.

A boom deployer to deploy or retract a deformable boom includes a boom deployer frame. An integrated motor-spool assembly is translatably mounted in the boom deployer frame. At least one belt tensioning assembly is also translatably mounted in the boom deployer frame. The belt tensioning assembly tensions at least one recirculating belt which rolls over a roller of the belt tensioning assembly. The at least one recirculating belt is configured to roll over a rolled deformable boom, the deformable boom clamped to and rolled on the integrated motor-spool assembly. A boom deployer with a tensioned stationary belt is also described.

The invention relates to the technical field of constructional engineering, and discloses a factory building large-span steel-concrete composite beam which comprises a steel beam body, a connecting assembly is fixedly connected to the upper surface of the steel beam body, a concrete plate is fixedly connected to the upper surface of the connecting assembly, and a hole is formed in the steel beam body; and baffles are slidably connected to the interiors of the two sides of the steel beam body, grips are fixedly connected to the outer walls of the baffles, supporting ribs are fixedly connected to the interior of the steel beam body, and the center points of the supporting ribs correspond to the center points of the holes. The connecting assembly is additionally arranged between the steel beam body and the concrete slab, so that under the large-span condition, loads can be effectively dispersed and transmitted, the bearing capacity of the composite beam is improved, the composite beam adapts to the complex stress environment of a plant, meanwhile, thermal expansion and cold contraction stress can be buffered, supporting can be assisted through gas pressure, and the service life of the composite beam is prolonged. And the structural stability of the composite beam under the temperature change is improved.

The utility model provides a steel and concrete composite beam which comprises a bridge deck slab and a composite rib plate located on the bottom face of the bridge deck slab, the composite rib plate comprises a concrete rib plate and a steel beam, and the concrete rib plate is located between the bridge deck slab and the steel beam; the steel beam comprises a steel bottom plate and a steel web plate arranged on the steel bottom plate, steel tenons and mortises are alternately arranged on the upper edge of the steel web plate in the longitudinal bridge direction, and the steel tenons and the mortises are embedded in concrete at the lower end of the concrete rib plate; the steel webs and the concrete rib plates are connected together through the steel tenons, the mortises, the lower opening stirrups, the upper opening stirrups and the transverse short steel bars, and compared with an existing stud shear key connection mode, the connection mode has higher initial rigidity, shear strength and ductility; meanwhile, welding is not needed, welding defects and residual stress are avoided, the corners of the steel tenons and the mortises adopt arc chamfers, stress concentration is effectively avoided, and the anti-fatigue performance is excellent.

The FRP concrete filled steel tube composite beam with the bolt pins comprises a rectangular thin-wall square tube and an FRP core tube with the same length as the rectangular thin-wall square tube, and the FRP core tube is arranged in an upper compression area in the rectangular thin-wall square tube. Inter-pipe filling materials are arranged between the FRP core pipe and the rectangular thin-wall square pipe, and the FRP core pipe is filled with core pipe concrete; steel bolts penetrating through the rectangular thin-wall square tube are evenly distributed on the top face or the side face of the rectangular thin-wall square tube in the length direction, the steel bolts penetrate through the center of the cross section of the FRP core tube, and extension sections are reserved at the positions, on the surface of the rectangular thin-wall square tube, of the two ends of each steel bolt. The FRP material has excellent tensile property, and after the FRP core pipe is arranged in the structure compression area, the concrete performance of the compression area is remarkably improved through the constraint effect provided by the FRP core pipe. By arranging the steel bolts penetrating through the whole structure, the bonding performance between the inter-pipe filling material and the inner wall of the steel pipe is improved, the interface slippage amount is reduced, and the bearing capacity and ductility of the test piece are improved. And the filling material between the pipes adopts the combination of concrete and polyurethane foam, so that the self weight of the structure can be effectively reduced.

The present invention provides a design method and manufacturing method for a concrete-filled welded box-shaped cross-sectional member, as well as a concrete-filled welded box-shaped cross-sectional member, which can appropriately calculate the maximum concrete pouring height into the interior of a welded box-shaped cross-sectional member in which the corner welds are joined by partial penetration welding. [Solution] A design method for a concrete-filled welded box-shaped cross-sectional member, in which concrete is poured into the interior of a welded box-shaped cross-sectional member, the corner welds being joined by partial penetration welding, wherein a cross-sectional model is set in which the corners of the cross-section of the welded box-shaped cross-sectional member are rotational springs and the flat portions of the cross-section are bending elastic beams, the amount of deformation and stress generated in the cross-section when the pressure of the concrete poured into the interior of the welded box-shaped cross-sectional member acts on the cross-section is calculated using the cross-sectional model, and the maximum pouring height of the concrete is calculated such that the calculated amount of deformation is less than the allowable deformation of the cross-section and the calculated stress is less than the allowable stress of the cross-section.

Gate Guidance Mechanism The present invention relates to a guidance mechanism for a structure moved in horizontal translation, such as a gate, characterized in that the mechanism comprises: at least one shoe (2) comprising, on the one hand, an anchoring surface (21) to the ground and, on the other hand, at least one cooperation interface (22) with a rail (3) carried by the moved structure, the cooperation interface (22) having a substantially rectilinear arrangement; a straight rail (3) adapted to be mounted under the underside of the moved structure in a manner substantially aligned with the translation axis of the moved structure; the rail (3) comprising, on the one hand, at least one cooperation interface (32) with the shoe (2) to bear against the shoe (2) and, on the other hand, at least one centering interface (41) for the position of the rail (3) relative to the shoe (2). Figure to be published with the abbreviation: Fig. 3

The present application discloses a cast-in-place beam cantilever support structure, which comprises a wall body, the wall body is fixedly connected with a cantilever beam, the wall body and the cantilever beam are internally provided with an I-shaped steel, the I-shaped steel is provided with a reinforcing structure at one end of the wall body, a mounting plate of the reinforcing structure is arranged in the wall body, the mounting plate is fixedly connected with one end of the I-shaped steel through brazing, extrusion blocks are arranged on both sides of the mounting plate, the extrusion blocks are tightly connected with the I-shaped steel, the I-shaped steel of the reinforcing structure is arranged in the wall body and the cantilever beam to reinforce the connection between the wall body and the cantilever beam, the extrusion blocks are in close contact with the I-shaped steel, which plays a certain auxiliary role in resisting deflection deformation of the cantilever beam; the cantilever beam comprises a first pouring part and a second pouring part, the I-shaped steel below the construction opening between the first pouring part and the second pouring part is provided with a connecting structure, the I-shaped steel between the first pouring part and the second pouring part can reinforce the connecting part, and the transverse rib of the connecting structure can resist the transverse deformation of the cantilever beam in the transverse section.

The present invention provides a prefabricated building structure, a building assembled with the prefabricated building structure, and its method for assembly. In one embodiment, said prefabricated building structure comprises: a) an upper floor slab, including at least one column, with each of the said at least one column comprises a movable connection end and a free end; b) a lower floor slab, including at least one column slot, with each of the said at least one column slot positioned to correspond to the movable connection end; c) a spacing slab, including a set of guide rails; wherein the spacing slab is positioned between the lower floor slab and the upper floor slab; said at least one column is initially in a horizontal position and adopts an upright position when the free end is guided by the guide rails into a corresponding column slot after the upper floor slab is raised.

The utility model discloses a kind of steel reinforced concrete structure construction support frame, it is related to steel reinforced concrete construction technical field, its technical key points include support crossbeam, frame body, lateral support piece, bottom support piece and steel positioning piece, multiple the frame body evenly lap joint on support crossbeam, the frame body includes cross bar and the L type support rod of fixed connection in the both ends of cross bar, the cross bar is set above formwork, two the L type support rod is respectively set in formwork two sides, formwork is provided with steel in, the lateral support piece is set in the side of L type support rod, the bottom support piece is set in the bottom of L type support rod, the steel positioning piece is set in the upper and lower two sides of steel. Technical effect is by setting support crossbeam, frame body, lateral support piece, bottom support piece and steel positioning piece, need not to support scaffold, can directly support formwork, save space, improve construction efficiency.