1811 results about "Joint (building)" patented technology

The invention discloses a concrete cable bent tower construction modeling method based on a BIM technology, and relates to the technical field of bridge construction, a BIM model is adopted to extract three-dimensional coordinates of each node of a stiff skeleton and then carry out positioning, after the stiff skeleton is assembled, if deviation exceeds a limit, a correction instruction is automatically generated, template data is collected in real time, and construction parameters of a next section are rehearsed based on the BIM model. Dynamically adjusting the template, rehearsing the spatial pose of the cable conduit, calculating the thermal deformation compensation amount, then correcting the installation error in real time, simulating the concrete pouring process, dynamically optimizing the pouring strategy, generating a completion model after each section is constructed, automatically comparing and analyzing the completion model and the BIM model, and generating a BIM model optimization strategy. According to the method, local adjustment is conducted on position conflicts of various embedded parts, cable conduits, pouring joints and the like by building the BIM model, segment division capable of directly guiding site construction is formed, the construction control level is effectively improved, rework is reduced, and the construction efficiency is improved.

The invention relates to the technical field of building steel plate processing, in particular to a laser cutting method and a cutting production line structure for spliced building steel plates, which comprises the following steps of: S1, preliminary rapid detection, S2, uneven area length measurement, S3, three-dimensional data acquisition and S4, cutting link. S2, triggering execution of the step S2 according to a detection result of the step S1 and providing an initial scanning area, providing a precise scanning area for the step S3 according to the unsmooth area range determined in the step S2, and providing a parameter adjustment basis for the step S4 according to the three-dimensional form data obtained in the step S3 so as to realize precise control of the whole process from detection to cutting. The invention aims to solve the potential safety hazard problem that when spliced building steel plates are cut in the prior art, particularly under the condition that joints are uneven, the cutting precision is obviously reduced, and the strength and stability of a building structure are possibly reduced.

The present invention relates to the technical field of fabricated buildings. Disclosed is a fabricated steel structure residence system. The fabricated steel structure residence system of the present invention comprises a frame portion and a shear wall portion, wherein the frame portion comprises a special-shaped column, a steel beam and a floor system; and the special-shaped column comprises a steel pipe and a plurality of T-shaped steels arranged along a peripheral wall of the steel pipe. A combined T-O section form of the special-shaped column provided by the present invention can realize relative separation of a pressure from bending on a combined section, such that the fabricated steel structure residence system has good bending bearing capacity and rigidity. The characteristic of an outer T-shaped steel is used such that a full-bolt connection form can be used between the steel beam and the special-shaped column. Moreover, a reinforcement member is provided at a beam-column joint, such that the rigidity and strength of the joint region are improved. In addition, specific structures of a floor system and a shear wall are further optimized, and a corresponding joint connection method is provided, such that the fabricated steel structure residence system that can be quickly assembled and is stable in terms of connection is formed.

The invention discloses a digital manufacturing method and system for a bracket node in a steel structure column, and relates to the related field of digital manufacturing of building components, and the method comprises the steps: collecting three-dimensional point cloud data of a bracket node connection region in a target steel structure column; stress concentration analysis is conducted in the vertical direction and the horizontal direction, and a key welding point set and a bolt hole site set are marked; lightweight design parameters of the bracket supporting structure are introduced, load stability analysis is conducted, and first assembly parameters are configured; traversing M bracket nodes in the target steel structure column to obtain a first assembly parameter to an Mth assembly parameter, and configuring a digital manufacturing instruction sequence in combination with the three-dimensional point cloud data; and inputting the data into a numerical control machining center, and driving multi-axis linkage equipment to manufacture and manage the bracket node. The technical problems that existing bracket joint manufacturing is low in efficiency and insufficient in precision and stability are solved, and the technical effects that the manufacturing efficiency is improved, the manufacturing precision and stability are improved, and powerful support is provided for energy-saving building material production are achieved.

An expansion joint bridging device in the form of a plate-type roadway joint which bridges an expansion joint between two building components. The expansion joint is spanned by crossbeams which are braced in a load-bearing relationship on both building components. Supported on the crossbeams is at least one plate disposed above the crossbeams, the plate having two plate portions which lie flush with one another and are interconnected in a force-transmitting relationship. The plate portions are connected in situ by means of at least one cover plate which bridges the joint between the plate portions and connects the two plate portions in a force-transmitting relationship. At least one of the connections between the cover plate and the plate portions is hinged, having a rotational degree of freedom about an axis extending horizontally transversely to the orientation of the relevant plate.

Interlocking construction blocks of a type that can be used as part of a system for building various structures, such as walls. An individual block provides positive intermeshing with other blocks abutting thereto and positive interlocking with other blocks stacked thereon, forming a joint that allows the abutting blocks to be held together without the need for mortar. Interlocked blocks are capable of providing a barrier against horizontal water seepage along the joints from one side of the interlocked blocks to the opposite side. The blocks provide a relatively light-weight structural unit while still providing good structural strength against horizontal and vertical loads. The blocks may be formed at least partly of recycled waste material(s) and / or may themselves be made of materials that can be easily recycled, thereby providing an environmentally friendly construction material that may have a reduced carbon footprint compared to other construction block systems.

The invention discloses an intelligent segmentation method and system for space steel structure nodes, and belongs to the technical field of building construction. The method comprises the following steps: collecting point cloud data of a steel structure, and preprocessing the point cloud data; clustering the point clouds to form a plurality of super voxels, and calculating concavity and convexity between adjacent super voxels; abstracting boundaries between adjacent super voxels into point clouds with convex-concave information, endowing the concave points and the convex points with weight values, and calculating an optimal segmentation plane; according to the method, the super voxels are segmented according to the optimal segmentation plane, and the segmentation result is optimized, so that the nodes are accurately segmented from the whole steel structure model, and the nodes are conveniently monitored by using a finite element model. The method can achieve the intelligent and rapid recognition and segmentation of the complex space steel structure nodes, remarkably improves the recognition and segmentation efficiency of the nodes, can guarantee the high consistency of segmentation results, improves the precision of the segmentation results, and can guarantee the comprehensiveness and accuracy of damage detection.

The invention provides a flatness detection device for building construction, and relates to the technical field of construction flatness detection, the flatness detection device comprises a mounting support member, and a vertical counterweight member is mounted on the mounting support member; the device is characterized in that the vertical counterweight piece is used for adjusting self-perpendicularity; a row of flatness detection pieces are mounted on the vertical counterweight piece; one row of flatness detection pieces are used for detecting the flatness of the outer wall; crack detection parts are respectively mounted on one row of flatness detection parts, so that the structure can conveniently detect cracks and brick joints, the detection is more comprehensive, the crack omission ratio is reduced, meanwhile, the detection is efficient, and the problems that an existing flatness detection device for building construction is poor in wall flatness detection comprehensiveness, the cracks and the brick joints of the wall are inconvenient to detect, and the detection efficiency is high are solved. And omission is easily caused.

The invention discloses a concrete modular integrated building connecting system which comprises connection of a plurality of concrete modular box bodies, each concrete modular box body is composed of a prefabricated top plate, a prefabricated bottom plate, a prefabricated beam, a prefabricated shear wall and a prefabricated partition wall, and each concrete modular box body is formed through integral pouring; a reserved post-pouring area is arranged at the joint of every two adjacent box components, and notches are formed in the prefabricated top plates; connecting steel bars are in lap joint with the notches, and concrete post-pouring is conducted after the steel bars are in lap joint; u-shaped notches are formed in the prefabricated beams, upper and lower lap joint steel bars are laid at the U-shaped notches, and the two half sections of the prefabricated beams are connected into a whole after concrete is cast in place; a linear vertical notch is formed in the prefabricated shear wall between every two adjacent box bodies, the rib bodies of the wall bodies are connected in the linear notches, all the box bodies are stably connected through lap joint of the reinforcing steel bars and cast-in-place concrete of the cavities, and the prefabricated shear wall is suitable for high-rise buildings, can reduce the workload of a construction site and has good mechanical performance and anti-seismic performance.

The invention discloses a beam-column joint reinforced through FRP pipes, and belongs to the technical field of construction building structures, the beam-column joint comprises a joint formwork for bearing concrete, a plurality of steel bars are arranged in the joint formwork and are distributed in a horizontally and vertically staggered mode, the FRP pipes are vertically arranged at the joint positions in the joint formwork, a plurality of through holes are formed in the side faces of the FRP pipes in a penetrating mode, and the FRP pipes are connected with the joint formwork. The reinforcing steel bars penetrate through the penetrating holes, the FRP pipe is arranged in the middle of the beam-column joint, the FRP pipe provides 45-degree shear resistance and annular constraint for the beam-column joint through the tubular structure, the bending resistance of the beam-column joint in the vibration environment is improved, the FRP pipe is arranged to replace the vertical limit reinforcing steel bars, the number of the reinforcing steel bars is reduced, and the construction efficiency is improved.

The invention relates to the field of fabricated buildings, in particular to a fabricated building frame structure beam-column joint structure and an implementation method, and the beam-column joint structure comprises a reinforced concrete prefabricated column and a reinforced concrete prefabricated beam. A column cap is arranged on the top of the lower-layer column, a prefabricated column reserved anchoring longitudinal bar on the column penetrates through the column cap and is connected with an upper-layer column longitudinal bar anchoring hole, and a grouting hole and an exhaust hole are formed in the side face of the upper-layer column. One end of the precast beam is lapped on the column cap, a horizontal anchoring rib is reserved on the lower portion of the beam and extends to the joint, a precast beam stirrup is exposed out of the top, secondary cast-in-place concrete is laid on the top, a formwork is connected to the side face, a reserved groove is formed in the joint side, and a bed mortar layer is arranged at the bottom of the upper-layer column. According to the structure, the bearing and shearing resistance of beam-column joints is enhanced, and the stability and shock resistance of the frame are improved; prefabricated parts are produced in factories, efficiently assembled on site, matched with standard construction procedures, shortened in construction period and matched with industrial production, development of fabricated buildings is effectively promoted, and the problems of node connection and construction efficiency of existing fabricated structures are solved.

The invention relates to the technical field of building construction, and discloses an outer wall facade deformation joint hidden type curtain wall sealing structure and a construction method. Comprising positioning parts which are fixedly arranged on the two sides of a deformation joint; ePDM (ethylene-propylene-diene monomer) telescopic rubber strips are arranged between the two positioning components. The EPDM telescopic adhesive tape can completely cover the deformation joint; the EPDM telescopic adhesive tape, the chemical bolt, the keel and the aluminum plate are fixed to the deformation joint, the deformation joint cover plate and the deformation joint cover plate lock catch are arranged to hide the deformation joint, and therefore the appearance effect is achieved, meanwhile, the problems of cracks, damage and the like of a building in the later period are avoided, the service life of the building is prolonged, water seepage is reduced, and the construction quality is improved. Attractiveness is improved, and later maintenance cost is saved to a certain extent; the structure can avoid the influence of expansion and contraction of materials, release of structural stress and earthquake deformation on the structure, does not influence the appearance effect of the building, and is suitable for industrial and civil building facade deformation joint construction.

The invention relates to the field of building tools, in particular to a spherical building steel structure construction safety scaffold which comprises steel pipes, vertical beam plates and the like. A plurality of clamping parts are connected to each steel pipe, and a plurality of clamping grooves are formed in each clamping part; a vertical beam plate is connected between every two steel pipes which are opposite front and back; the two ends of each vertical beam plate are each provided with a first embedding part, and each first embedding part is connected to the clamping groove of the adjacent clamping part in a clamped mode. According to the scaffold, all the moved sliding plates are adapted to an arc-shaped wall surface, so that the assembled scaffold is more attached to the wall surface, the situation that a large distance exists between the scaffold and the wall surface to affect construction of workers is avoided, and meanwhile, the workers are prevented from falling off from the space between the scaffold and the wall surface; the height difference between the sliding plate and the bearing plate is made up through the supporting plate, meanwhile, the hollowed-out space between the bearing plate and the sliding plate is made up, and the worker is prevented from falling down and being injured during treading.

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 relates to a method, a system and equipment for predicting creep stress at a joint of a concrete structure and a medium. The method comprises the following steps: testing a concrete structure material and a concrete structure joint filling material, and constructing a joint material performance database based on test data; constructing a multi-scale mechanical model comprising a macrostructure model and a microcosmic interface model based on the seam material performance database; constructing an interface constitutive relationship based on the seam material performance database and the multi-scale mechanical model; and predicting the creep stress at the joint of the concrete structure based on the material performance database at the joint, the multi-scale mechanical model and the interface constitutive relationship. The method can fully consider the sudden change of the performance of the material at the joint and the interface effect, provides reliable technical support for the safety evaluation and maintenance of the concrete structure, and is particularly suitable for engineering application of large-span and high-rise buildings and the like with higher requirements on the long-term performance of the structure.

The utility model relates to the technical field of building structure engineering, in particular to a steel beam column joint structure suitable for steel beams with different section heights. Comprising steel columns and steel beams. Each flange connecting piece comprises a first connecting part in bolted connection with a steel beam flange and a second connecting part in bolted connection with a steel column; the first connecting part and the second connecting part are vertically intersected to form a T-shaped bending component; the web connecting piece comprises a third connecting part in bolted connection with a steel beam web and a fourth connecting part in bolted connection with a steel column; the third connecting part and the fourth connecting part are vertically intersected to form a bent component; the corner connecting pieces are used for fixedly connecting the adjacent second connecting parts which are located on the different sides of the steel column and located at the different section heights into a whole in the horizontal direction. The steel beam column joint structure is good in overall stress, extremely high in stability and easy to install and assemble.

The utility model relates to the technical field of constructional engineering, and discloses structural gap grouting equipment for constructional engineering construction, which comprises a base, a grouting mechanism is arranged at the top of the base, the grouting mechanism comprises a box body and a pump machine, the box body and the pump machine are both fixedly connected with the base, the input end of the pump machine is communicated with the base, and the output end of the pump machine is communicated with the base. The output end of the pump machine communicates with a grouting pipe through a hose, and a moving mechanism is arranged in an inner cavity of the base. By arranging the grouting mechanism, slurry condensation can be avoided, a grouting pipe can be conveniently used for grouting by opening a pump, the device is convenient to move by arranging the moving mechanism, a user can conveniently push the device by pushing a handle, the grouting pipe can be fixed by arranging the adjusting mechanism, and the grouting pipe can be driven to rotate by opening a third motor. The grouting direction can be adjusted conveniently, the height of the grouting pipe can be adjusted by starting the first motor, grouting can be conducted on ceilings, floors and vertical joints, and use is convenient.

The utility model relates to the technical field of building construction, and discloses a segmented butt joint construction structure of large-span steel beams, which comprises a plurality of steel beams which are sequentially connected end to end, fixing columns are arranged at the head end of the first steel beam and the tail end of the last steel beam, temporary buttresses are arranged at the joints of the middle steel beams, and the temporary buttresses are connected with the steel beams. And the temporary buttresses are used for supporting and fixing the segmented parts of the steel beam. The temporary buttresses are used for temporarily supporting the sections of the steel beam, the sections of the steel beam are prevented from being broken and collapsed due to gravity, the buckling grooves and the buckling blocks are arranged on the connecting sections of the steel beam for pre-fixed connection, and the sections of the steel beam are pre-fixed under the action of the temporary buttresses. The situation that the position of the steel beam swings randomly when the steel beam is hoisted is avoided, an operator can further reinforce the steel beam on the basis of pre-fixing, the fixing bolts are fixed in the first steel beam and the second steel beam through the operation grooves, and the convenience of mounting and fixing is improved.

The utility model discloses a building construction steel structure node connecting piece, which belongs to the technical field of building construction and comprises a mounting plate, two positioning plates are assembled on one side of the mounting plate, a connecting plate is assembled between the two positioning plates, a mounting frame is assembled on one side of the connecting plate, and a mounting groove is formed in the surface of the mounting frame. Two rectangular grooves are further formed in the mounting frame and located in the upper side and the lower side, and two sets of fastening assemblies are further assembled on the mounting frame. The building construction steel structure node connecting piece has the advantages that the node strength is enhanced, the installation process is simplified, and the connection reliability is improved, the structural strength of the node is effectively improved by positioning the steel structure beam up and down, the problem of possible looseness in traditional screw connection is reduced, and the construction efficiency is improved. And by means of the design of the mounting grooves, the steel beams can be inserted more easily and conveniently, the steel beams can be rapidly positioned in cooperation with the two fastening assemblies, and the construction progress is accelerated.

The invention discloses a stirrup assembly type concrete beam column structure, which relates to the technical field of building structures and comprises a prefabricated lower column, a prefabricated upper column, a left superposed beam and a right superposed beam, the prefabricated lower column, the prefabricated upper column, the left superposed beam and the right superposed beam are distributed in a cross-shaped beam column structure; unique double-spiral stirrup configuration is applied to the column body, so that the torsion resistance and the bearing capacity are enhanced; the longitudinal bars and the stirrups are reasonably arranged on the superposed beam, so that the bending resistance and the shearing resistance are guaranteed. At the joint, the T-shaped channel steel plates, the fixing blocks and the hinged tension connecting rods form an energy dissipation system, and earthquake energy is effectively dissipated. The column body connection adopts the combination of a full-grouting nodular cast iron sleeve and a frame-shaped steel belt, and is matched with a post-pouring laminated layer to realize rigid connection. The limiting mechanism anchors a T-shaped channel steel plate through a double-end pull rod and a self-locking nut, a limiting clamping plate and a torsion spring form anti-pulling self-locking, the anti-seismic property of the joint is enhanced by combining a hinged tension connecting rod, and the structural reliability is improved.

The invention discloses a position-adjustable external heat preservation structure for a steel structure building, and relates to the technical field of buildings, the position-adjustable external heat preservation structure comprises a fixed panel, vertical fixed plates are arranged on the left side and the right side of the fixed panel, and transverse fixed plates are arranged on the upper side and the lower side of the fixed panel; and a left heat insulation plate and a right heat insulation plate are arranged on the inner side of the fixed panel. According to the position-adjustable external heat preservation structure for the steel structure building, the external heat preservation structure is divided into the fixed panel, the vertical fixed plate, the transverse fixed plate, the left heat preservation plate and the right heat preservation plate, and the fixed panel, the vertical fixed plate and the transverse fixed plate are fixedly connected through bolts; and meanwhile, the left heat preservation plate and the right heat preservation plate are fixedly assembled with the vertical fixing plate and the transverse fixing plate through the butt-joint effect between the butt-joint protruding blocks and the butt-joint grooves, so that the whole externally-hung heat preservation structure is assembled, the whole externally-hung heat preservation structure is fragmented, and the externally-hung heat preservation structure is conveniently conveyed.

The utility model provides a prefabricated concrete beam dry type connection node, which belongs to the field of prefabricated buildings, and is characterized in that an upper high-strength bolt is arranged above the top surface (within the height of a floor) of a prefabricated concrete beam so as to increase the connection arm of force of the upper high-strength bolt, so that equal-strength node connection with a steel bar in the beam is realized by utilizing a single large-diameter high-strength bolt; the installation convenience is greatly improved; the upper high-strength bolt and the lower high-strength bolt are combined for clamping, so that tensile and compression-resistant bidirectional force transmission is realized (in a normal state, the upper high-strength bolt is tensile, and the lower high-strength bolt is compression-resistant; ), so as to cope with the bending moment change of the precast concrete beam under the action of the reciprocating load.

The invention discloses a building expansion joint anti-seepage drainage mechanism, and relates to the technical field of expansion joint waterproofing, the building expansion joint anti-seepage drainage mechanism comprises two floors and a water stop belt, an expansion joint is arranged between the two floors, the water stop belt is arranged on the expansion joint between the two floors, a waterproof cover plate is arranged above the water stop belt, and the waterproof cover plate is arranged above the expansion joint. A flow guide fixing device is arranged below the floor slab, a suspension moving device is arranged below the floor slab, an alarm waterproof device is arranged below the suspension moving device, a plurality of collecting hoppers are arranged below the alarm waterproof device, and drainage branch pipes are fixedly arranged at discharging ports of the collecting hoppers. A collecting pipe is fixedly arranged at a discharge port of the branch drainage pipe, and a main drainage pipe is fixedly arranged on the collecting pipe. The expansion joint is subjected to first waterproofing through the water stop belt, the flow guide fixing device has the flow guide effect on leaked rainwater, and the alarm waterproof device has the effects of collection and alarm.

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 utility model discloses a settlement joint waterproof device, which comprises a building main body, a waterproof layer and a waterproof layer, the oppositely-arranged movable plates are movably arranged on the building body and located on the settlement joint, a driving rod is arranged between the movable plates in a penetrating mode, waterproof mechanisms are arranged in the movable plates and used for storing a sealant, and the driving rod is used for driving the waterproof mechanisms to release the sealant; and the bearing platform is arranged in the settlement joint and located below the movable plate, a sealing cavity is defined between the bearing platform and the movable plate, and the sealing cavity is used for being filled with a sealant. When the building main bodies are settled, the building main body on one side moves relative to the building main body on the other side, and at the moment, the moving groove moves relative to the driving rod, so that the waterproof mechanism is driven by the driving rod to release the sealant into the sealing cavity, the settlement joint can adapt to the width change of the settlement joint, and the waterproof function of the settlement joint is kept.

The utility model discloses aerated building block stacking bearing equipment which comprises a relatively fixed bearing base, a bearing platform is arranged above the bearing base, the bearing platform is movably connected with the bearing base, and a driving assembly is arranged between the bearing platform and the bearing base. The driving assembly comprises a rotating joint and a telescopic joint which are used for controlling the bearing platform to rotate; a limiting assembly is arranged on the outer side of the bearing platform in the circumferential direction and comprises a plurality of movably-arranged limiting rods, and the upper ends of the limiting rods penetrate through the bearing platform and are in sliding connection with the bearing platform. The air-entrapping building block stacking device can support and limit air-entrapping building blocks, the stability of the air-entrapping building blocks in the rotating and descending process is guaranteed, and the overall stacking efficiency and stability of the air-entrapping building blocks are improved.

The invention belongs to the technical field of added elevators, and discloses a fast-assembly type added elevator steel structure main body and a preparation and assembly method thereof, and the fast-assembly type added elevator steel structure main body comprises a hoistway, a door frame and a corridor. The hoistway is composed of four vertical stand columns and a plurality of transverse beams, the ends of the beams are connected with the connecting faces of the stand columns through connecting pieces, each connecting piece comprises a pair of triangular pieces formed by three steel plates perpendicular to one another, a first plate is connected with the stand columns, a second plate is connected with the beams, and a third plate is an inclined strut reinforcing rib. The door frame comprises door head steel beams between the front stand columns, sill steel beams and landing door stand columns between the sill steel beams, the corridor is connected with the outer sides of the sill steel beams, and through holes in the ends of the edge beams are matched with kidney-shaped holes of the mounting bases to adjust the position. The square pipe joints of the front stand column and the rear stand column are staggered in position. The device is fast to install, stable in structure, convenient to adjust, convenient to overhaul and maintain and suitable for the elevator adding project of the existing building.

The utility model relates to the technical field of building assembly, in particular to an assembly type external wall panel which comprises a building wall panel, a connecting structure and a resistance structure. The building wallboards are connected end to end through the connecting structures, and the resistance structures are arranged in the building wallboards. The two ends of the connecting structure can be connected with the two adjacent building wallboards in a clamped mode correspondingly, and telescopic cavities are formed between the connecting structure and the building wallboards. The force resisting structure comprises a supporting body, a frame body and a fastener, the frame body is formed by combining two M-shaped strips in a mirror image mode, the two M-shaped strips are arranged outside the supporting body in a surrounding mode, and the fastener is arranged on the frame body to fix the two M-shaped strips. When the building wallboard is affected by thermal expansion and cold contraction, not only can the joint between the building wallboards be prevented from cracking, but also the building wallboards can be prevented from being bent or broken.

The utility model relates to the technical field of building structures, and discloses a node of a steel reinforced concrete column and a reinforced concrete beam, which comprises a longitudinal beam, a cross beam and a section steel column body with a built-in section steel body, the longitudinal beam, the cross beam and the section steel column body are perpendicular to each other and intersect at the node, and the longitudinal beam comprises a first longitudinal bar and a second longitudinal bar which are parallel to each other. The first longitudinal bars penetrate through the profile steel body in the full length direction, and the second longitudinal bars are connected to the two sides of the profile steel body through longitudinal sleeves. The cross beam comprises a first transverse longitudinal bar and a second transverse longitudinal bar, the second transverse longitudinal bar is connected with the profile steel body through a transverse sleeve, and the first transverse longitudinal bar is horizontally bent to the outer side of the profile steel body and is arranged in a full-length mode; the joint does not need a field welding process, the arrangement requirement of large-density multi-layer longitudinal bars can be met while the bearing capacity of the section steel can be guaranteed through the structure, internal force of the joint can be effectively transmitted into the section steel column, force transmission is clear, construction is easy and convenient, and the construction progress is accelerated.

The invention relates to the technical field of steel structure buildings, in particular to a concrete filled steel tube frame which comprises building beams and steel tubes, the building beams are arranged on the steel tubes, and damping mechanisms are arranged between the building beams and the steel tubes; the damping mechanism comprises a cylinder body, a plug disc and a plug rod, the cylinder body is filled with damping liquid, the plug disc is slidably arranged in the cylinder body, a damping hole is formed in the surface of the plug disc, the plug rod is fixed to one side of the plug disc, and the end, away from the plug disc, of the plug rod penetrates through the inner bottom face of the cylinder body. The damping mechanism arranged between the building beam and the steel pipe can consume energy generated by an earthquake when the earthquake occurs, so that the influence of the earthquake on the connecting joint of the building beam and the steel pipe is reduced, and the structure of the connecting joint of the building beam and the steel pipe is more stable.