61 results about "Rc frames" patented technology

The invention provides a high-definition image rapid reconstruction method for concrete plastic hinge area identification, and the method is especially used for carrying out damage evaluation on a key part, namely a plastic hinge area, of a beam-column joint in a reinforced concrete frame structure after an earthquake. Fusing the texture features of the dust deposition covering area, and recovering covered cross oblique crack details to obtain a complete crack form image set; and optimizing reconstruction of a three-dimensional space and generating a final damage model through point cloud data obtained through oblique photography of the unmanned aerial vehicle in combination with the updated stripping depth damage model, outputting visual three-dimensional reconstruction results of spatial distribution of cross oblique cracks, concrete stripping depth and a steel bar buckling form, and generating a plastic hinge region damage state image. The method provides powerful technical support for accurately evaluating the safety of the post-earthquake structure.

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 belongs to the technical field of power plant construction, and provides a high-intensity area steel support and frame connecting method and a high-intensity area steel support and frame connecting mechanism. The machined box-shaped steel component is placed at the joint, and a stirrup penetrates through a stirrup hole in a joint plate in the box-shaped steel component; pouring concrete in the reinforced concrete frame; and the support is connected with the gusset plate. In combination with the characteristic of coordinated stress of a steel member and reinforced concrete, a box-type steel pipe is directly pre-embedded into the connecting part of the steel support and the concrete; the rigidity of a connecting part is improved, the number of shear-resistant stirrups in a joint core area is reduced as a rigid domain, compared with a traditional embedded part, stress is more direct, and the shear-resistant and bending-resistant bearing capacity of the concrete member bearing the axial force of the steel inclined strut is improved.

To effectively transfer force generated in a reinforced concrete skeleton to a steel column as axial force of the steel column.SOLUTION: A junction structure of a reinforced concrete skeleton and a steel column comprises: a skeleton made of reinforced-concrete; a steel column whose upper end portion is buried in the skeleton; and a protruding member which protrudes horizontally from the upper end portion buried in the skeleton in the steel column and has a supporting surface formed to receive a load from the skeleton.SELECTED DRAWING: Figure 4

The invention discloses an artificial fish reef and an artificial fish reef putting method, and belongs to the technical field of water ecological restoration and fishery engineering. The artificial fish reef comprises a reef body, an anchoring structure and a take-up structure. The reef body is of a reinforced concrete frame structure, a bottom plate is closed, other faces are open, protective nets and cross beams are arranged on the side portions, the cross beams are connected through connecting rods, and planting boxes can be installed on the connecting rods. The anchoring structure comprises an anchor hook and an anchor chain, and the take-up structure comprises a take-up box, a take-up roller, a spring and a spring trigger assembly. Through cooperation of the trigger rod and the limiting rod, automatic retracting, releasing and anchoring of the anchor chain are achieved, the structure is stable, installation is convenient and fast, water flow scouring can be effectively reduced, the survival rate of submerged plants is increased, a spawning and inhabiting place is provided for fishes, and the fish gathering effect is remarkably improved.

The utility model discloses a reinforced concrete frame joint HDC winding wire reinforcing device, and belongs to the technical field of reinforced concrete frame reinforcement. The device is novel in design and ingenious, a cut first steel plate is subjected to rust removal, roughening and flattening treatment and is wiped clean with acetone, steel sticking glue is prepared according to the specified proportion, it is guaranteed that the prepared glue is uniform in color and free of bubbles, and the prepared steel sticking glue is evenly smeared on the bonding face of the first steel plate and the frame beam through a spatula at the same time; during smearing, the middle is thick, the edges are thin, after smearing, the holes of the first steel plate are aligned to the preset positions, anchor bolts penetrate through the holes, then the anchor bolts are gradually tightened, moderate and uniform pressurization is conducted till the sticky steel glue is evenly extruded out of the edges of the first steel plate, then the U-shaped steel plates are installed outside the frame beam and the first steel plate, and the second steel plates are installed outside the U-shaped steel plates for reinforcement; therefore, the reinforcing effect and the stabilizing effect of the frame beam are more remarkable, and the practicability of the device is greatly improved.

The invention discloses a construction method for a reserved hole plugging pull-up type formwork support. The construction method comprises the following steps that reinforced concrete frame beams are arranged on the periphery of a reserved hole; placing a cross beam above the reserved hole; a reinforcing steel pipe is placed on the shelving cross beam; the upper ends of the split bolts are fixed to the upper portion of the upper reinforcing steel pipe; a formwork is erected on the lower portion of the reserved hole, and a plurality of battens are fixed to the lower portion of the formwork at intervals; the formwork is correspondingly provided with open holes according to the positions of the split bolts, and the split bolts penetrate through the open holes of the formwork and the gaps between the battens. Lower reinforcing steel pipes are arranged below the battens, and a split bolt penetrates through a gap between the two steel pipes of each group of lower reinforcing steel pipes; the lower end of the split bolt is fixed below the lower reinforcing steel pipe; and floor slab steel bars in the reserved hole area are bound, concrete is poured, and plugging of the reserved hole is completed. The invention solves the problem that the template support frame body of the plugging structure cannot be erected due to the fact that the process equipment occupies the reserved hole.

To provide a reinforcement bar mount that facilitates easy placement of transverse reinforcement bars in a wall.SOLUTION: A reinforcement bar mount 10 is used for arranging transverse reinforcement bars 4 to be embedded in a reinforced concrete wall 1. The reinforcing bar mount 10 comprises: at least a pair of pillars 20 which are arranged separately at a predetermined distance on a floor surface 2; a horizontal connecting member 21 which connects the pillars 20 to each other, and diagonal braces 12. Each of the pillars 20 comprises: a channel steel 23 which extends upward from the floor surface 2; and a plurality of reinforcement bar supports 24 which are provided alongside the channel steel 23 in a vertical direction and to which transverse reinforcement bars 4 are locked. The reinforcement bar supports 24 are hook-shaped to prevent the transverse reinforcement bars 4 from falling off.SELECTED DRAWING: Figure 4

This invention discloses a prefabricated connection structure and construction method for a PVC-FRP pipe reinforced concrete frame and a light steel keel steel mesh foamed concrete wall. It includes: a PVC-FRP pipe reinforced concrete column, comprising PVC pipe, FRP strips, column stirrups, and column longitudinal reinforcement; a light steel keel steel mesh foamed concrete wall, comprising a light steel keel frame and a steel mesh; wall-side embedded connection components, including a vertical U-shaped connecting channel steel, an embedded connection box, an arc-shaped stiffening rib, and a wall-side arc-shaped connecting plate disposed outside the arc-shaped stiffening rib; and a column-side closed sleeve insertion assembly, comprising a closed-type round steel pipe sleeve connector and an open-box type column-side insertion connector. This prefabricated connection structure and construction method for a PVC-FRP pipe reinforced concrete frame and a light steel keel steel mesh foamed concrete wall can adapt to the outer contour of a round column, without damaging the PVC pipe and FRP strips, while simultaneously ensuring wall edge anchoring, insertion positioning, anti-slip properties, and reliable connection between the wall and the upper and lower beams.

The utility model provides a brick-concrete house transformation and reinforcement structure, and belongs to the technical field of brick-concrete structure building transformation and reinforcement. The structure comprises a brickwork outer wall, foundation beams are arranged at the bottoms of the inner side and the outer side of the brickwork outer wall, unloading beams are further arranged at the bottom of the brickwork outer wall, the unloading beams transversely penetrate through the brickwork outer wall and are connected with the foundation beams, and the inner side of the brickwork outer wall is reinforced through a cement mortar surface layer; the structural columns penetrate through the floors and extend to the bottom of the roof panel, and strip-shaped foundations are arranged at the bottoms of the structural columns; the structural beam plates are arranged on all the layers, the ends of the structural beam plates are connected with the structural columns or the masonry outer walls, and buttress columns are arranged at the ends, connected with the masonry outer walls, of the structural beam plates and extend downwards to the foundation beams along the masonry outer walls. On the premise that the external facade of the bare brick wall of an original building is not changed, the bare brick wall is transformed into a reinforced concrete frame structure for stress, and the anti-seismic performance, ductility and integrity of the building structure are improved.

The utility model belongs to the technical field of test, in particular relates to a reinforced concrete frame column test device, and aims to solve the problems that in the conventional reinforced concrete column test, particularly when an anti-seismic test is carried out on a reinforced concrete column, the reinforced concrete columns poured in different proportions are inconvenient to intuitively compare, and the test time is shortened. In order to solve the problems that in the prior art, in the prior art, in the prior art, a user often needs to be far away from a testing device during testing, personnel are prevented from being injured, and meanwhile testing personnel cannot conveniently observe details of the test in a close range, the following scheme is provided that the device comprises a base, a shaking base is arranged at the top of the base, and a first foundation pit and a second foundation pit are formed in the top of the shaking base. When the device is used, the shaking mechanism achieves the function of testing two reinforced concrete columns with different proportions by simulating a real earthquake environment, and the protection mechanism ensures the smooth proceeding of the test and the accuracy of the result by guaranteeing the safety of test personnel and facilitating observation and recording.

The invention relates to the technical field of building construction, in particular to a movable lifting frame for mounting a steel beam in a reinforced concrete frame structure, which comprises a preset track, a lifting frame chassis and a lifting assembly, two opposite bottom plates are provided with first mounting grooves, and each first mounting groove is internally provided with two first traveling wheels; a first driving motor for driving the first walking wheels to rotate is fixed to the side wall of the bottom plate, a lifting beam moving rail is fixed to the top of the stand column, the lifting assembly comprises a lifting beam and a lifting device capable of moving in the length direction of the lifting beam and lifting the steel beam, and second walking wheels are installed at the bottoms of the two ends of the lifting beam correspondingly. The bottom of the second walking wheel is located in the lifting beam moving track, and a second driving motor for driving the second walking wheel to rotate is fixed to the lifting beam. The movable lifting frame has the technical effects of being stable in structure, flexible to move and accurate in positioning.

The invention discloses a variable cross-section friction damper, and relates to the technical field of structural damping. The device comprises a fixed connecting assembly and a sliding energy dissipation assembly. Outer steel plates are fixed to the two sides of a lower inner steel plate. The upper-side inner steel plate is located between the outer steel plates, friction plates are arranged on the two sides of the upper-side inner steel plate, the upper high-strength bolts penetrate through the outer steel plates, the friction plates and the upper-side inner steel plate, and the belleville spring gaskets are arranged on the upper high-strength bolts in a sleeving mode. A variable cross-section section is arranged on the surface of the upper inner steel plate, and when the friction plate and the upper inner steel plate generate relative displacement and slide along the variable cross-section section, the thickness change of the upper inner steel plate forces the outer steel plate to move relatively in the axis direction of the bolt, so that the belleville spring gasket deforms and generates extra pressure, and the pre-tightening force borne by the friction plate is dynamically adjusted. Follow-up change of friction force output is achieved, the energy dissipation capacity under large displacement is remarkably improved, the structure is compact, and the damping device is extremely suitable for wall type connection damping of an RC frame.

The invention aims to provide a method for evaluating explosion damage of a concrete frame structure, which belongs to the technical field of structural damage evaluation and constructs a multi-level damage evaluation index system consisting of floor levels, component levels and specific damage states. During evaluation, a judgment matrix is established by using an interval analytic hierarchy process (IAHP), and the weight of each level of index is calculated; and then, combining an overpressure-impulse (P-I) curve and a component local damage formula as damage judgment basis, and carrying out rapid quantitative evaluation on the component damage by adopting a rapid calculation formula and a quantitative analysis method. And finally, calculating the membership degree of each level through a comprehensive evaluation method to obtain the damage level of the overall structure. According to the method, the scientificity is guaranteed, meanwhile, the damage condition of the reinforced concrete frame under explosion can be rapidly predicted and evaluated, the calculated amount is reduced, and good universality and engineering applicability are achieved.

The utility model discloses an assembly type reinforced concrete frame structure beam assembly joint which comprises a stand column, and cross beams are arranged on the two sides of the stand column. Right-angle mounting plates are mounted on the two sides of the stand column respectively, each right-angle mounting plate comprises a transverse plate and a vertical plate, one end of each transverse plate is fixedly connected with the top of the corresponding vertical plate, and the included angle between each transverse plate and the corresponding vertical plate is 90 degrees; the transverse plates are sleeved with first n-shaped plates, and the tops of the two first n-shaped plates make contact with the bottom faces of the two cross beams correspondingly. The vertical plates are sleeved with second n-shaped plates, and the outer side walls of the two second n-shaped plates make contact with the two sides of the stand column correspondingly. Elastic buffer assemblies are mounted between the transverse plate and the cross beam and between the vertical plate and the stand column; a transverse reinforcing rib is fixedly installed between the transverse plate and the vertical plate, and the first n-shaped plate and the second n-shaped plate are both fixedly connected with the transverse reinforcing rib. Stable connection between the cross beam and the stand column can be achieved, the applicability and the bearing capacity of the joint are improved, the anti-pressure capacity of the joint is enhanced, and the service life of the joint is prolonged.

The invention relates to the technical field of anti-seismic house building construction, and discloses an anti-seismic house building construction method which comprises the following steps: S1, foundation treatment and foundation construction: carrying out geological investigation on a building site, and determining foundation bearing capacity and seismic activity parameters; a pile foundation or a raft foundation is adopted, a shock insulation layer is arranged between the foundation and an upper structure, and a shock insulation groove is formed in the edge of the foundation; s2, frame structure construction is conducted, a reinforced concrete frame with the strength grade not lower than C40 is adopted, and energy consumption devices are arranged at frame joints; and S3, wall construction is conducted, specifically, an aerated concrete block wall with the thickness of 200 mm is adopted, the shock insulation groove and the shock insulation layer can be used in cooperation, the impact of seismic waves on a building foundation is further weakened, the seismic load borne by the foundation can be reduced, L-shaped angle steel can be additionally arranged at the corner of the wall for reinforcement, and the anti-shearing capacity of the wall is further improved.

The invention belongs to the technical field of wind power, and discloses a building integrated wind power system which comprises a building frame structure, a wind power generation system and a wind power generation system. The tower drum vertically penetrates through the central area of the building frame structure and forms an integrated bearing system with the building frame structure; the reinforcing cant beam is arranged on the roof of the top of the building, obliquely supports the tower drum and is used for enhancing the structural strength of the roof; the cabin is arranged at the bottom of the building; the low-speed shaft is located at the top of the tower; and the transmission shaft longitudinally penetrates through the tower drum, and two ends are respectively connected with the low-speed shaft and the high-speed shaft in the cabin. The invention aims to realize more efficient, reasonable, safe and economical utilization of wind energy in the building field.

The invention provides a swing wall reinforced concrete structure design method based on toughness, which comprises the following steps: analyzing earthquake damage of an existing concrete structure, and evaluating the anti-seismic toughness level of the existing concrete structure according to an analysis result, so as to determine an anti-seismic toughness improvement target of the existing concrete structure; preliminarily determining design parameters for reinforcing the swing wall; the earthquake damage of the reinforced concrete structure is analyzed, the anti-seismic toughness level of the reinforced concrete structure is evaluated according to the analysis result, so that whether the anti-seismic toughness improvement target of the existing concrete structure is met or not is determined, and the design parameters, meeting the anti-seismic toughness improvement target, of swing wall reinforcement are obtained according to the determination result; the method has the beneficial effects that quantitative toughness evaluation and a reinforcing design scheme are organically combined, and a reinforcing design method of the existing reinforced concrete frame structure and the frame-shear wall structure is established by adopting a novel swing wall technology, so that the anti-seismic toughness level of the existing concrete structure is improved.

The utility model discloses a concrete filled steel tubular column and split-level reinforced concrete frame beam connecting structure which comprises a concrete filled steel tubular column body, a cross-shaped fixing frame is fixedly installed in the middle of the concrete filled steel tubular column body, and a first split-level reinforced concrete beam is installed at the top end of one side of the cross-shaped fixing frame. A first split-level reinforced concrete beam is installed at the bottom end of one side of the cross-shaped fixing frame, a second split-level reinforced concrete beam is installed at the bottom end of the other side of the cross-shaped fixing frame, and first profile steel brackets are installed on the two sides of the connecting position of the first split-level reinforced concrete beam and the cross-shaped fixing frame. A built-in anti-bending steel corbel transition section is adopted to arrange an anti-shearing stud in a built-in steel cow leg section to ensure the cooperative work of a beam end combination section, and the combination section resists the bending moment transmitted by the beam end; meanwhile, an anti-shearing steel corbel is combined to resist shearing force; on the basis of the current specifications and atlas, the structure of the concrete filled steel tube and split-level beam connecting joint is supplemented.

The utility model provides a high-rise building reinforced concrete frame beam structure which comprises a frame beam and a frame column, the two ends of the frame beam are respectively provided with a connecting part, the four surfaces of each connecting part contract towards the center of the frame beam, and an installation space is formed between each connecting part and the frame beam. The ends, away from the frame beam, of the connecting parts are rigidly connected with the frame columns, first mounting grooves are formed in the four surfaces of the two ends of the frame beam correspondingly, second mounting grooves are formed in the positions, corresponding to the first mounting grooves, of the upper ends of the frame columns, and two telescopic ends of plate-shaped dampers are mounted in the first mounting grooves and the second mounting grooves correspondingly. The connecting part, the first mounting groove, the second mounting groove and the plate-shaped damper are arranged, the mounting positions of the two telescopic ends of the damper are arranged on the side faces of the frame beam and the frame column respectively, and the damper is located outside the frame beam and the frame column structure, so that a worker can conveniently make contact with the damper, and the working efficiency is improved. And maintenance is very convenient and fast.

The utility model relates to the technical field of architectural architecture, in particular to a node mechanism of a concrete filled steel tube composite column and a frame beam, which comprises a main body, a support mounting component fixedly connected to the bottom of the main body, a first pouring component arranged on the side surface of the support mounting component, and a beam hinge component arranged at the bottom of the first pouring component, a second pouring assembly is arranged at the bottom of the body. The beam longitudinal bars, the beam stirrups, the column longitudinal bars and the column stirrups are additionally arranged in the concrete pouring point, the number of concrete cracks on the top of the frame column can be reduced, stress of the frame beam bracket plate is low, the frame beam bracket plate and the frame beam bracket plate are all in an elastic state, and the reinforced concrete frame transfer joint has good technical and economic performance. The purpose of anti-seismic performance of strong joints and weak components can be achieved, and by means of the laminated connection structure of the frame beam bracket plates, the problem of frame beam steel bar welding can be solved, and the influence of eccentric stress of a reinforced concrete frame can be reduced.

The present invention provides a method for reinforcing the intermediate nodes of reinforced concrete frame beams and columns by adding wing walls. The method comprises the following steps: determining the failure mode of the reinforced concrete frame and whether reinforcement is required; if the node is determined to require earthquake-resistant reinforcement; taking the bending strength of the node as a goal to be greater than the bending strength of the beam, calculating the reinforcement requirement of the node; determining the parameters for adding wing walls according to the reinforcement requirement of the node, thereby reinforcing the intermediate nodes of the reinforced concrete frame beams and columns. The method solves the problem that the material and geometric parameters of the wing walls cannot be quantitatively designed when the intermediate nodes of the beams and columns of the reinforced concrete frame are reinforced by adding wing walls in engineering. The method realizes the determination of whether the existing structure needs reinforcement; and for the structure determined to need reinforcement, quantitatively calculating the reinforcement requirement, thereby determining the concrete strength of the wing walls, the reinforcement of the wing walls, the number of embedded bars, and the size of the wing walls.

The invention relates to a reinforced concrete frame structure collapse process analysis method and device, and belongs to the technical field of engineering structure simulation analysis, and the method comprises the steps: building a structure constitutive model according to reinforced concrete frame structure data; the mass of the reinforced concrete frame structure in the structural constitutive model is concentrated to all nodes, and a dynamic model is determined; and based on an explicit gradual integration algorithm, solving the dynamic model to obtain a collapse evaluation index, and based on the collapse evaluation index, analyzing the progressive collapse resistance of the structure. According to the method, the mass is concentrated on all nodes, the iterative convergence problem is avoided, the dynamic model is solved in combination with explicit gradual integration, an equation set does not need to be solved through the iterative process, efficient simulation of the whole collapse process of the reinforced concrete frame structure under various column disassembly working conditions is achieved, and the calculation efficiency is effectively improved.

The application is suitable for the technical field of reinforced concrete reinforcement, and provides an outer steel sleeve reinforced damaged reinforced concrete frame structure, which comprises two groups of end reinforcement mechanisms, the end reinforcement mechanism comprises four reinforcement angle steels, further comprises: a middle reinforcement mechanism, the middle reinforcement mechanism comprises two connecting plates, a plurality of pressing plates are distributed between the two connecting plates, reinforcement steels are arranged on the pressing plates, two first connecting rods are symmetrically installed on the reinforcement steels at both ends, and two second connecting rods are symmetrically installed on the remaining reinforcement steels; and a supporting mechanism, the supporting mechanism comprises a plurality of supporting angle steels, two supporting plates are symmetrically installed on the supporting angle steels, sliding blocks on the supporting plates are connected with push rods through transmission rods, and the push rods are connected with push plates. The device can effectively reinforce the frame column, has good supporting effect, and can make the frame column have a use function even if the frame column is damaged.

The utility model provides a novel protection and reinforcement integrated structure suitable for a fractured rock mass slope. The novel protection and reinforcement integrated structure comprises an anchor rod frame system, system anchor rods, a steel bar protection net, sprayed concrete and a vegetation layer. The anchor rod frame system comprises a reinforced concrete frame and node anchor rods; a node anchor rod is arranged at each frame node position, the node anchor rods are obliquely arranged in the broken rock slope, one end of each node anchor rod is anchored to the deep position of the stable bed rock, and the other end of each node anchor rod is connected with the reinforced concrete frame; arranging system anchor rods on the slope surface of the broken rock slope according to a certain row distance; a reinforcing steel bar protective net is laid at the bottom of the anchor rod frame system, and sprayed concrete is sprayed on the reinforcing steel bar protective net; and a vegetation layer is laid in each grid of the reinforced concrete frame. The structure can effectively cope with the instability problem of the fractured rock mass slope under the weathering and unloading effects, has the advantages of being high in stability, strong in durability, good in adaptability, ecological, environmentally friendly and the like, and has wide application prospects in the field of slope protection and reinforcement of water-power engineering.

The present invention discloses an industrialized steel module-concrete composite frame structure, which belongs to the field of structural engineering technology. The prefabricated reinforced concrete frame of the present invention includes at least a plurality of corner nodes, the ends of the two horizontal corner beams of the corner nodes are fixedly connected to the two adjacent side surfaces of the corner column respectively; the ends of the three horizontal side beams of the multiple side nodes are fixedly connected to the adjacent side surfaces of the side column respectively; the ends of the four horizontal middle beams of the multiple middle nodes are fixedly connected to the adjacent side surfaces of the middle column respectively; the steel structure modules are wrapped around the outside of the corner columns, corner beams, side columns, side beams, middle columns and middle beams, and the connection parts of the steel structure modules are staggered with the connection parts of the corner columns, corner beams, side columns, side beams, middle columns and middle beams. The prefabricated reinforced concrete formed by the present invention has integrity and good lateral resistance. The industrialized steel module-concrete frame structure of the present invention has two lines of defense, which cooperate with each other to make the overall structure bear force reasonably.

This invention discloses a precast patterned steel truss reinforced reinforced concrete frame beam structure. The invention relates to the field of reinforced concrete beam technology and includes beams and columns. A reinforced concrete beam is installed on one side of the beam / column, and a floor slab is installed on the top of the reinforced concrete beam. An installation plate is installed on one side of the reinforced concrete beam, and the installation plate has connecting pin holes and a sliding groove. A pre-fixing plate is installed on one side of the sliding groove, and a slider is installed on one side of the pre-fixing plate, while a strong adhesive block is installed on the other side. This invention incorporates a first reinforcing plate and a second reinforcing plate, improving the stability and strength of the precast patterned steel truss, which is beneficial for strengthening the reinforced concrete beam. The installation plate and pre-fixing plate improve the installation accuracy of the first reinforcing plate, facilitating construction and solving the problem of inaccurate positioning and time-consuming installation of multiple precast patterned steel trusses.

The utility model discloses a modularized fast assembly reinforced concrete frame which comprises supporting columns, cross beams, clamping assemblies, a first connecting plate and a second connecting plate, and the clamping assemblies comprise clamping plates, side plates and reinforcing ribs. By arranging the multiple clamping assemblies, the first connecting plate and the second connecting plate, the supporting column and the cross beam can be connected in a wrapping mode, then rapid connection of the supporting column and the cross beam is achieved, and compared with connection of high-strength bolts, welding and other modes, the stability and the supporting capacity of connecting points after connection can be effectively improved; and in addition, the occupied building space after connection is small, then the grouting space is effectively increased, and the utilization rate of the building space is increased.

This invention discloses a precast reinforced concrete frame column and a frame structure, including a frame column body, an outer steel pipe, a steel end structure, and a steel connecting bracket. Based on the connection position of the external beam on the frame column body, the column reinforcement cage has an inward-facing annular groove. The outer steel pipe is fitted outside the annular groove of the column reinforcement cage, with its outer wall flush with the outer wall of the column concrete body. The steel end structure is embedded within the column concrete body. Adjacent frame columns are fixedly connected via the steel end structure. The steel connecting bracket is fixed between the outer steel pipe and the external beam. The frame structure includes precast reinforced concrete frame columns and main beams. Corresponding steel connecting brackets are provided on the outer wall of the outer steel pipe of the precast reinforced concrete frame column. The end of the main beam is fixed to the other end of the steel connecting bracket. This invention simplifies the structure and construction process of the frame columns, main beams, and secondary beams, reduces steel usage, and improves construction efficiency.