CN114592742B - T-shaped constructional column and ecological interior wall self-tapping screw block connection structure of assembled composite wallboard and manufacturing method - Google Patents

Abstract

The invention discloses a T-shaped constructional column of an assembled composite wallboard and an ecological interior wall self-tapping screw block connection structure and a construction method, which are used for assembling the same-layer composite wallboard and the ecological wallboard with larger earthquake bearing effect of a multi-layer building. The self-tapping screw assembly is formed by self-tapping screws which freely penetrate through self-tapping screw holes of the connecting steel plates and self-tapping connection of the self-tapping screw plates, wherein the connecting steel plates and the self-tapping screw plates have extrusion force to generate friction force between the steel plates, and meanwhile, the biting force between the steel plates and the self-tapping screws can be enhanced; the construction joint of the wallboard and the constructional column is poured by adopting cement-based grouting materials to form tongue-and-groove occlusion, so that the construction joint has shearing resistance; the self-tapping screw assembly structure solves the difficult problem of connection between the frame column and the T-shaped constructional column, and the pouring joint has the advantages of water resistance and good sound insulation performance. The invention has the technical advantages of high-efficiency stress and good wall separation performance of the cooperative work of continuous force transmission of the pouring joint and centralized force transmission of the self-tapping screw.

Description

A prefabricated composite wall panel T-shaped structural column is connected to an ecological interior wall self-tapping nail block Structure and practice

Technical field

The invention relates to a structure and method for connecting a prefabricated composite wall panel T-shaped structural column and an ecological interior wall self-tapping nail block, and belongs to the technical field of prefabricated concrete building structure engineering.

Background technique

At present, the construction technology of low multi-story ultra-low energy consumption houses in villages and towns, especially the construction technology of prefabricated ultra-low energy consumption low multi-story houses, is very lacking.

The technical bottlenecks of existing technologies include:

(1) In the traditional prefabricated shear wall structure, the adjacent shear walls in the floor are generally connected by integral joints. The restraint edge components and structural edge components at the intersection of longitudinal and transverse walls are constructed by cast-in-place construction. This assembly This method has a large amount of wet work, low assembly rate, slow construction speed, inflexible building wall layout, and environmental pollution problems such as large construction waste emissions and loud noise during the construction process. (2) The traditional shear wall steel plate bolt connection technology is not suitable for the assembly of single-row reinforced mesh concrete thin plate sandwich polystyrene board composite wall panels with inner and outer leaves and ecological interior walls with reinforced concrete frames, because the middle of the inner and outer leaf wall panels The polystyrene board is sandwiched between polystyrene boards and it is not allowed to drill holes for bolts due to thermal bridge issues. At the same time, if cross-bolts are used to connect steel plates or angle steel to assemble and connect composite exterior wall panels and ecological interior wall panels, the sound insulation and waterproof capabilities of the wall will be reduced, and the construction will be difficult and require high precision. In this way, it is difficult to assemble and connect adjacent composite exterior wall panels and ecological interior walls on the same floor using traditional steel plate bolt connection technology; (3) The price of self-tapping screws is much lower than that of bolts, and the thin-walled light steel keel structure of thin-walled light steel The connection between the keels is made by self-tapping screws. The self-tapping screws penetrate the two connected light steel keels one after another. The force transmission between the light steel keels is realized through the engagement with the self-tapping screws, and there is no extrusion friction. However, the assembly The assembly of type composite exterior wall panels and ecological interior wall panels is an assembly of composite wall panel structural columns and ecological interior wall frame columns. The connection interface between the two mainly bears shear force, and also requires friction and bite force. It is obvious that the current self-tapping The technology of directly connecting light steel keels with nails is significantly different from the assembly and force transmission requirements of composite wall panel structural columns and ecological interior wall frame columns; (4) The assembly of traditional shear wall cast-in-situ belts, due to the large amount of concrete cast-in-situ, The concrete expansion force is large, and temporary construction supports are required to position the formwork. The cost is high and the flexibility is poor. It is not suitable for the construction of ecological interior walls. (5) Traditional prefabricated infill wall panels for prefabricated shear wall structures require reserved assembly joints with adjacent wall panels or structural columns. There are problems such as poor sound insulation and waterproof performance at the assembly joints.

Contents of the invention

The technical problem to be solved by the present invention is to provide a structure and method for connecting T-shaped structural columns of prefabricated composite wall panels and self-tapping screw blocks of ecological interior walls, which realizes the constrained edge components and structural edges in traditional prefabricated shear wall structures. Precast production and assembly construction of components.

In order to solve the above technical problems, the technical solution adopted by the present invention is: a prefabricated composite wall panel T-shaped structural column and an ecological interior wall self-tapping nail block connection structure, including a prefabricated composite wall panel, the ecological interior wall Boards, T-shaped structural columns, and self-tapping nailed block concrete have built-in steel structures. One end of the ecological interior wall panel intersects with the prefabricated composite wall panel, and the T-shaped structural column is arranged on the ecological interior wall panel. The intersection of the prefabricated composite wall panels;

The prefabricated composite wall panel is formed by pouring concrete outer leaf panels and concrete inner leaf panels, which are connected with inner and outer leaf steel mesh and insulation panels through tie bars;

The ecological interior wall panels are prefabricated in the factory and are composed of ecological interior wall frame columns, frame column steel cages, frame-filled ecological panels, and frame column trough-shaped force transmission plates welded on the stirrups of the ecological interior wall frame columns. , The outer side of the frame column trough-shaped force transmission plate is reserved with a frame column trough-shaped force transmission plate flange side groove and a frame column trough-shaped force transmission plate web side groove;

The T-shaped structural column is formed by pouring concrete into a T-shaped structural column steel cage formed by double-limb rectangular stirrups and their constrained longitudinal bars. The T-shaped structural column steel cage stirrups are welded with T-shaped structural column trough transmission. Force plate, T-shaped structural column grooved force transmission plate flange side grooves and T-shaped structural column grooved force transmission plate web side grooves are reserved on both sides of the trough-shaped force transmission plate;

The stirrups of the T-shaped structural column trough force transmission plate and the T-shaped structural column steel cage are welded, and the frame column trough force transmission plate of the ecological interior wall is welded to the frame column steel cage stirrups to facilitate self-tapping nailing. The wooden block of the force steel plate is bonded to the flange of the T-shaped structural column trough force transmission plate and the flange of the frame column trough force transmission plate through glass glue or structural glue; the flange of the T-shaped structural column trough force transmission plate and the frame column groove The flanges of the form-transmitting plate are connected through a form-connecting steel plate using self-tapping nails to form the steel structure built into the self-tapping nail block.

Preferably, the tie bars are elbow steel bars that tie the inner and outer leaf steel mesh, the concrete inner leaf plate, the concrete outer leaf plate and the insulation board.

Preferably, the surface of the insulation board is provided with a dovetail groove, and the insulation board is engaged with the concrete of the inner and outer leaf wall panels through the dovetail groove; the insulation board is made of polystyrene extruded board or polystyrene foam board or Phenolic foam composite board.

Preferably, the T-shaped structural column trough force transmission plate is a trough-shaped steel plate with a thickness of not less than 3mm welded on the composite wall panel T-shaped structural column steel cage, and its web and the outside of the flange are reserved with high-performance mortar. There are grooves on the flange side of the flat T-shaped structural column groove-shaped force transmission plate and side grooves on the web of the T-shaped structural column groove-shaped force transmission plate. The inside of the flange is bonded with wood blocks that facilitate self-tapping screws and self-tapping drilling.

Preferably, the groove on the flange side of the T-shaped structural column groove-shaped force transmission plate is a groove outside the flange of the T-shaped structural column groove-shaped force transmission plate, and the one-shaped connecting steel plate is connected to the said T-shaped structural column with self-tapping screws. inside the groove.

Preferably, the side grooves of the T-shaped structural column groove-shaped force transmission plate web are grooves provided on the outside of the T-shaped structural column groove-shaped force transmission plate web.

Preferably, the inner side of the ecological interior wall frame column is an ecological board, and the outer side is connected with an assembly joint that doubles as a cement-based grouting material pouring joint. The ecological interior wall frame column steel cage is the reinforcing structure inside the ecological interior wall frame column. , consisting of longitudinal load-bearing steel bars and stirrups, with frame column trough-shaped force transmission plates welded on the steel bars.

Preferably, the side grooves of the flange of the frame column trough-shaped force transmission plate are grooves outside the flange of the ecological interior wall frame column trough-shaped force transmission plate, and the one-shaped connecting steel plate is put into the groove and connected with the frame column groove. The flange of the shaped force transmission plate is connected with self-tapping nails; the groove on the side of the frame column grooved force transmission plate web is the groove on the outside of the frame column grooved force transmission plate web, and the assembly joint also serves as cement-based grouting material After the cement-based grouting material is poured into the pouring joint, a tongue-and-groove bite structure is formed in the groove.

A method of connecting T-shaped structural columns of prefabricated composite wall panels and self-tapping screw blocks of ecological interior walls, which is characterized in that the specific steps are as follows:

The first step: Factory prefabricated composite exterior wall panels with T-shaped structural columns with grooved force-transmitting steel plates; prefabricated ecological interior walls with frame columns and grooved force-transmitting steel plates;

Step 2: Install the composite exterior wall panels and ecological interior wall panels, and embed the one-shaped connecting steel plate into the T-shaped structural columns of the composite exterior wall panels and the eco-interior wall frame column groove-shaped force transmission plate flange groove;

Step 3: Use self-tapping nails to freely pass through the self-tapping nail holes on the one-shaped connecting steel plate, and self-tapping to connect the T-shaped structural columns of the composite exterior wall panels and the flange of the grooved force transmission plate of the ecological interior wall frame column;

Step 4: Use high-performance mortar to smooth the T-shaped structural columns of the composite exterior wall panels and the flange grooves of the eco-friendly interior wall frame columns, trough-shaped transmission plates, and use waterproof tape to seal both sides of the assembly joints. Pour cement-based grouting material into the outer grooves of the webs of the T-shaped structural columns of the composite exterior wall panels and the ecological interior wall frame column trough-shaped force transmission plates;

Step 5: Paint the wall with interior decorative paint.

The beneficial effects of adopting the above technical solution are: 1) The self-tapping nail block solves the following technical problems: 1) The self-tapping nail block structure as a dry connection basically avoids wet work on the construction site and solves the problem of construction waste emissions. The environmental pollution problems caused by large quantities and loud noise; 2) Solve the problem of inapplicable bolt connections between T-shaped structural columns of composite wall panels and ecological interior wall frame columns and steel plate bolt connections; 3) Solve the problem that due to the large amount of concrete cast in place, , it is necessary to add temporary construction supports to position the formwork, which is more expensive and less flexible.

(2) T-shaped structural columns solve the following technical problems: 1) Solve the problems of large in-situ cast-in-place and low assembly rate of integral joint connections of traditional prefabricated shear wall structures; 2) Solve the problem of traditional prefabricated structural wall panels The layout is inflexible, which reduces the functional partitioning of the building space by the size and distribution position of the wall panels; 3) Improves the vertical load-bearing capacity, seismic performance and out-of-plane stress performance of the inner leaves of the composite wall panels.

(3) The combined connection structure solves the following technical problems: The combined connection structure consists of the interface shear resistance of the cement-based grouting material at the construction joints and the high-performance mortar tongue-and-groove engagement in the outer groove of the trough-shaped force-transmitting steel plate web. The prefabricated composite exterior The wall panels are reliably connected to the ecological interior wall. The T-shaped structural columns of the composite wall panels and the frame columns of the ecological interior wall can be equivalent to the restrained edge members and structural edge members in the cast-in-place shear wall structure, realizing traditional assembled shear. Prefabricated production and assembly construction of restrained edge elements and structural edge elements in wall structures.

Description of drawings

Figure 1 is the building plan;

Figure 2 is a cross-sectional view of the connection structure between the T-shaped structural column of the prefabricated composite wall panel and the ecological interior wall self-tapping nail block;

Figure 3 is a schematic cross-sectional view of the prefabricated composite wall panel T-shaped structural column and the ecological interior wall self-tapping nail block when they are not connected;

Figure 4 is a cross-sectional view of the connection structure between the T-shaped structural column of the prefabricated composite wall panel and the mortar layer of the ecological interior wall;

Figure 5 is a schematic three-dimensional view of the connection structure between the T-shaped structural columns of the prefabricated composite wall panels and the ecological interior wall self-tapping screw blocks;

Figure 6 is a three-dimensional schematic diagram of the steel structure embedded in the T-shaped structural column of the prefabricated composite wall panel;

Figure 7 is a schematic diagram of the built-in steel structure of the self-tapping nail block structure of the ecological interior wall;

Figure 8 is a schematic diagram of the steel structure built into the self-tapping nail block structure;

Figure 9 is a construction process diagram of the connection structure between T-shaped structural columns of prefabricated composite wall panels and ecological interior wall self-tapping screw blocks;

In the picture: 1. Prefabricated composite wall panels; 2. Ecological interior wall panels; 3. Concrete outer leaf panels; 4. Concrete inner leaf panels; 5. Inner and outer leaf steel mesh; 6. Tie bars; 7. T 8. T-shaped structural column steel cage; 9. Insulation board; 10. T-shaped structural column grooved force transmission plate; 11. T-shaped structural column grooved force transmission plate flange side groove; 12. T The groove on the side of the web of the trough-shaped force transmission plate of the shaped structure column; 13. Ecological interior wall frame column; 14. The frame column steel cage; 15. The frame column trough-shaped force transmission plate; 16. The flange of the frame column trough-shaped force transmission plate Side groove; 17. Side groove of frame column grooved force transmission plate web; 18. One-shaped connecting steel plate; 19. Ecological board; 20. Self-tapping nails; 21. Wood block; 22. Assembly joint also serves as cement base Grouting material for grouting joints.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.

As shown in Figure 1-9, the prefabricated composite wall panel is a thin concrete plate with a fine and dense steel mesh for the inner and outer leaves. A sandwich insulation board is built between the reinforced concrete thin plates of the inner and outer leaves, and is welded or tied to the inner and outer leaf steel mesh. It is a prefabricated composite wall panel that integrates structure, enclosure and insulation with tie steel bars connected.

A T-shaped structural column is a steel cage formed by a T-shaped stirrup composed of double-limbed rectangular stirrups and its restrained longitudinal bars on the inner leaf plate of the composite wall panel. It is formed after concrete is poured. The T-shaped structural column is in the assembly position of the prefabricated composite wall inner leaf plate and the ecological interior wall frame column, and is prefabricated together with the composite wall panel inner leaf plate.

The ecological interior wall is a prefabricated composite wall panel composed of reinforced concrete frames and ecological panels filled in the frames. The reinforced concrete frames are composed of frame columns, frame beams and built-in hidden columns.

The self-tapping nail block structure is a T-shaped structural column with inner leaves of composite wall panels with grooved force-transmitting steel plates, and an ecological interior wall filled with ecological boards in a reinforced concrete frame with grooved force-transmitting steel plates. It adopts self-made The T-shaped structural column of the composite wall panel connected by tapping nails and the steel plate is connected with the ecological interior wall frame column. The outer profile of the channel-shaped force-transmitting steel plate area is 40mm thick. The built-in steel-concrete thin wall panel section is a steel-concrete Combine blocks. The formation of self-tapping nail blocks: composite wall panels, T-shaped structural column stirrups, welding of T-shaped structural column channel-shaped transmission plates, prefabricated ecological interior walls filled with ecological boards in reinforced concrete frames, welding of frame column stirrups, channel-shaped transmission plates For the force plate, embed the connecting steel plate with self-tapping nail holes into the grooves of the T-shaped structural columns and the ecological interior wall frame columns and close to the left and right trough-shaped force-transmitting steel plates. Use self-tapping nails to freely pass through the connecting steel plate holes. Self-tapping connects the left and right channel-shaped force-transmitting steel plates, and the grooves embedded in the connecting steel plates are smoothed with mortar to form a steel-concrete composite block with 40mm thick concrete on the outside of the force-transmitting steel plate area.

The combined force transmission structure refers to the centralized force transmission connection structure of the T-shaped structural columns of the composite wall panels and the ecological interior wall frame columns, self-tapping screw blocks, and the 20mm thick cement-based grouting material at the assembly joints of the T-shaped structural columns and the ecological interior wall frame columns. The synergy between the continuous force-transmitting connection structure of the grouting joints and the grooves on the side of the web of the T-shaped structural column trough-shaped force-transmitting plate and the side grooves of the web of the frame-column trough-shaped force-transmitting plate are filled with cement-based grouting material. A combination of stress-bearing structures. The combined connection structure reliably connects the composite wall panel T-shaped structural columns and ecological interior wall frame columns. The composite wall panel inner leaf T structural columns and ecological interior wall frame columns can be equivalent to the restrained edge components in the cast-in-situ shear wall structure. As well as structural edge members, the prefabricated production and assembly construction of restrained edge members and structural edge members in traditional prefabricated shear wall structures are realized.

Prefabricated composite wall panel 1: The inner and outer leaf steel mesh 5 and the insulation board 9 are connected through tie bars 6, and the concrete outer leaf panel 3 and the concrete inner leaf panel 4 are poured to form the prefabricated composite wall panel 1.

Ecological interior wall panel 2: The ecological interior wall is prefabricated in the factory. It consists of ecological interior wall frame columns 13, frame column steel cages 14, frame-filled ecological panels 19, and frame column troughs welded on the ecological interior wall frame column stirrups. It is composed of a force plate 15, and a frame column groove-shaped force transmission plate flange side groove 16 and a web side groove 17 are reserved outside the frame column groove-shaped force transmission plate 15.

T-shaped structural column 7: T-shaped structural column steel cage 8 formed by double-limb rectangular stirrups and their constrained longitudinal bars. After pouring concrete, T-shaped structural column 7 is formed, and T-shaped structural column steel cage 8 is welded to the stirrups. Structural column T-shaped structural column trough-shaped force transmission plate 10, T-shaped structural column trough-shaped force-transmitting plate flange side grooves 11 are reserved on both sides of the trough-shaped force-transmitting steel plate, and T-shaped structural column trough-shaped force-transmitting plate web side Groove 12.

Built-in steel structure of self-tapping nailed block concrete: stirrup welding of T-shaped structural columns of composite wall panels, T-shaped structural column groove force transmission plates 10 and T-shaped structural column steel cages 8, frame column grooves of ecological interior walls The force transmission plate 15 is welded to the stirrups of the frame column steel cage 14 to facilitate self-tapping. The wood block 21 of the self-tapping force transmission steel plate is connected to the T-shaped structural column. The T-shaped structural column groove force transmission plate 10 flange and the frame column groove shape The flanges of the force transmission plate 15 are bonded through glass glue or structural glue; the flanges of the T-shaped structural column, the T-shaped structural column, the trough-shaped force transmission plate 10, and the flanges of the frame column trough-shaped force transmission plate 15 are connected through a one-shaped connecting steel plate 18 and are self-tapping. The nails 20 are connected to form a self-tapping nail block built-in steel structure.

Combined connection structure: Placement of recessed composite wall T-shaped structural columns and ecological interior wall frame columns. Self-tapping screws for the integrated steel structure connecting steel plate. The grooves 11 and 16 on the flange side of the steel plate are smoothed with high-performance mortar. The assembly joint also serves as the cement-based grouting material pouring joint 22 and the side grooves 12 and 17 of the trough-shaped transmission plate web of the T-shaped structural column and the frame column. After the cement-based grouting material is poured and cured, a self-tapping nail block and rear The combined connection structure of poured mortar layer and T-shaped structural columns, ecological wall frame columns, and prefabricated mortar layer tongue and groove.

Prefabricated composite wall panel 1: The inner and outer leaf steel mesh 5 and the insulation board 9 are connected through tie bars 6, and the concrete outer leaf panel 3 and the concrete inner leaf panel 4 are poured to form the prefabricated composite wall panel 1.

Ecological interior wall panel 2: composed of ecological interior wall frame columns 13, frame column steel cages 14, frame-filled ecological panels 19, and frame column trough-shaped force transmission plates 15 welded on the ecological interior wall frame column stirrups. The frame column A frame column grooved force transmission plate flange side groove 16 and a frame column grooved force transmission plate web side groove 17 are reserved outside the trough-shaped force transmission plate 15 .

Concrete outer leaf plate 3, concrete inner leaf plate 4: The inner leaf and outer leaf concrete thin plates of prefabricated composite wall panels poured with fine stone concrete. The concrete strength is C30~C40.

Inner and outer leaf steel mesh 5: a thin and dense steel mesh arranged inside the concrete outer leaf plate 3 and the concrete inner leaf plate 4.

Tie bars 6: are elbow steel bars that tie the inner and outer leaf steel mesh 5 and the concrete inner and outer leaf plates 3 and 4 and the insulation board 9.

T-shaped structural column 7: It is a T-shaped structural column on the factory prefabricated concrete inner leaf plate 4. It is equipped with a T-shaped structural column steel cage 8 inside. The T-shaped structural column grooved force transmission plate 10 is welded on the steel cage stirrups. Grooves are reserved on the outside of the flange and web of the shaped force transmission plate. Functionally: T-shaped structural columns are the main structure connecting adjacent composite wall panels and ecological interior walls perpendicular to the composite wall panels. In structure: T-shaped structural columns are the main load-bearing structure of composite wall panels, and further improve The seismic performance and out-of-plane bending resistance of the composite wall panel reduce the cross-sectional height of the structural ring beam on the upper inner leaf of the composite wall panel.

T-shaped structural column steel cage 8: It is a T-shaped steel cage composed of double-limb rectangular stirrups and their constrained longitudinal bars. The T-shaped structural column T-shaped structural column grooved force transmission plate 10 is welded on the stirrups 8 of the T-shaped structural column.

Insulation board 9: It has a dovetail groove on its surface, and the concrete of the inner and outer leaf wall panels meshes with the dovetail groove of the insulation wall panel to enhance the ability to resist shearing and peeling; the sandwich insulation board can be made of polystyrene extruded board XPS, polystyrene Foam plastic board EPS or phenolic foam composite board PUR, etc.

T-shaped structural column trough force transmission plate 10: It is a trough-shaped steel plate with a thickness of not less than 3mm welded on the T-shaped structural column steel cage 8 of the composite wall panel. The web and the outside of the flange are reserved and smoothed with high-performance mortar. The groove, the inside of the flange is bonded with glass glue or structural glue to facilitate the drilling of wood blocks 21 by self-tapping nails.

The groove 11 on the flange side of the T-shaped structural column trough-shaped force transmission plate is the groove on the outside of the flange of the T-shaped structural column T-shaped structural column trough-shaped force transmission plate 10. The one-shaped connecting steel plate 18 is put into the groove and connected with After the T-shaped structural column T-shaped structural column grooved force transmission plate 10 flange is connected with self-tapping screws, use high-performance mortar with a strength not less than M15 to smooth it.

The groove 12 on the side of the web of the T-shaped structural column trough-shaped force-transmitting plate 10 is the groove on the outside of the web of the T-shaped structural column T-shaped structural column trough-shaped force-transmitting plate 10. The assembly joint also serves as the cement-based grouting material pouring joint 22. After the cement-based grouting material is poured, a tongue-and-groove bite structure is formed in the groove.

Ecological interior wall frame column 13 and frame column steel cage 14: refer to the prefabricated ecological interior wall reinforced concrete frame side column, which is cast with C30~C40 fine stone concrete. The inside of the ecological interior wall concrete frame column is made of ecological panels 19, The outer side is connected with the assembly joint which also serves as cement-based grouting material pouring joint 22. The ecological interior wall frame column steel cage 14 is the reinforcing structure inside the ecological interior wall frame column 13. It is composed of longitudinal stress-bearing steel bars and stirrups. The frame column trough-shaped force transmission plate 15 is welded to the steel bars.

Frame column trough force transmission plate 15: It is a trough-shaped steel plate with a thickness of not less than 3mm welded on the ecological interior wall frame column steel cage 14. The web and the outside of the flange are reserved for frame column troughs smoothed with high-performance mortar. There are grooves 16 on the side of the flange of the force transmission plate and grooves 17 on the side of the web of the frame column trough-shaped force transmission plate. The inside of the flange is bonded with glass glue or structural glue to facilitate the wood block 21 drilled by self-tapping nails.

The side groove 16 of the flange of the frame column trough-shaped force transmission plate is the groove on the outside of the flange of the ecological interior wall frame column trough-shaped force transmission plate 15. The one-shaped connecting steel plate 18 is put into the groove and connected with the frame column trough-shaped transmission plate. After the flange of force plate 15 is connected with self-tapping screws, use high-performance mortar with a strength not lower than M15 to smooth it.

Groove 17 on the side of the web of the frame column trough-shaped force-transmitting plate: it is the groove on the outside of the web of the frame-column trough-shaped force-transmitting plate 15. The assembly joint also serves as the cement-based grouting material filling joint 22. After the cement-based grouting material is poured into the The groove forms a tongue-and-groove bite structure.

One-shaped connecting steel plate 18: Put the one-shaped connecting steel plate 18 into the flange side groove 11 of the T-shaped structural column trough-shaped force transmission plate and the flange side groove 16 of the frame column trough-shaped force transmission plate and use self-tapping screws 20 to secure it. Connected to the flange of the T-shaped structural column T-shaped structural column grooved force transmission plate 10 and the frame column grooved force transmission plate 15; the thickness of the one-shaped connecting steel plate 18 is not less than 3mm; the one-shaped connecting steel plate 18 passes through the self-tapping screws The position needs to be drilled. After the self-tapping screw is drilled into the force-transmitting steel plate, the connecting steel plate and the force-transmitting steel plate have the friction between the steel plates generated by the extrusion force. At the same time, it can also strengthen the bite force between the steel plate and the self-tapping nail.

Ecological board 19: It is a microporous lightweight ecological concrete wall panel filled in reinforced concrete frames. The wall panel is light in weight, has good thermal insulation and sound insulation, and is economical in price.

Self-tapping screw 20: You can choose ST 6.3 type hexagonal tail drill self-tapping screw. The total length of the self-tapping screw is 20mm, the thread is full length, and the spacing between self-tapping screws is generally 25-50mm.

Wood block 21: is a wood block that is pasted to the inside of the flange of the grooved force-transmitting steel plate using adhesives such as glass glue. Its main function is to facilitate drilling of self-tapping nails into the force-transmitting steel plate.

The assembly joint also serves as the cement-based grouting material pouring joint 22: it is a 20mm assembly joint between the T-shaped structural column 7 of the composite wall panel and the ecological interior wall frame column 13. After the construction of the self-tapping monolithic steel structure is completed, the strength of the pouring joint is Cement-based grouting material with a strength not less than that of wall panel concrete. The cement-based grouting material bonds the T-shaped structural columns of the composite wall panels to the ecological interior wall frame columns and forms a tongue-and-groove bite structure with the grooves on the side of the web of the trough-shaped force transmission plate, which can resist the T-shaped structural columns and ecological interior wall frames. Shear force between columns and fill the wall panel assembly joints to improve the waterproof and sound insulation performance of the wall panel assembly joints.

According to the architectural design and structural layout requirements, determine the layout position and space size of the structurally assembled composite exterior wall panels and the assembled assembled interior walls. After determining the structural wall layout, determine the floor load, determine the structural seismic action, and then combine the vertical load, horizontal seismic action, and horizontal wind load to determine the stress model and load design value of the shear wall. Design the wall section thickness and reinforcement, and determine the type and thickness of the insulation board. Based on the above design calculation results, structural construction drawings are drawn and processed and produced.

The construction process of the prefabricated composite wall panel T-shaped structural columns and ecological interior wall self-tapping screw blocks is as follows: 1) Factory prefabricated composite exterior wall panels with grooved force-transmitting steel plate T-shaped structural columns; prefabricated frame columns with grooved Ecological interior wall with force transmission steel plate; 2) Install composite exterior wall panels and ecological interior wall panels, and embed the one-shaped connecting steel plate into the T-shaped structural column of the composite exterior wall panel and the ecology interior wall frame column grooved force transmission plate flange concave groove; 3) Use self-tapping nails to freely pass through the self-tapping nail holes on the one-shaped connecting steel plate, and self-tapping to connect the T-shaped structural columns of the composite exterior wall panels and the flange of the groove-shaped force transmission plate of the ecological interior wall frame column; 4) Use High-performance mortar smoothes the T-shaped structural columns of the composite exterior wall panels and the flange grooves of the eco-friendly interior wall frame columns, channel-shaped transmission plates, and uses waterproof adhesive strips to seal both sides of the assembly joints. The composite exterior walls are connected at the assembly joints and by self-tapping. Cement-based grouting material is poured into the outer grooves of the webs of T-shaped structural columns and eco-interior wall frame column trough-shaped force-transmitting plate webs; 5) Use interior wall decorative paint to paint the walls.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed in the present invention, use the technical solutions of the present invention and its Equivalent substitutions or changes of the inventive concept shall be included in the protection scope of the present invention.

Claims (7)

1. A prefabricated composite wall panel T-shaped structural column and an ecological interior wall self-tapping nail block connection structure, which is characterized by including a prefabricated composite wall panel (1), an ecological interior wall panel (2), and a T-shaped structure Columns (7) and self-tapping nailed concrete blocks have built-in steel structures. The prefabricated composite wall panel (1) is in one shape. One end of the ecological interior wall panel (2) is connected to the prefabricated composite wall panel (1). 1) intersect, the T-shaped structural column (7) is provided at the intersection of the ecological interior wall panel (2) and the prefabricated composite wall panel (1); The prefabricated composite wall panel (1) is connected by inner and outer leaf steel mesh (5) and insulation board (9) through tie bars (6), and concrete outer leaf panels (3) and concrete inner leaf panels (3) are poured. 4) Later formed; The ecological interior wall panel (2) is prefabricated in the factory and consists of an ecological interior wall frame column (13), a frame column steel cage (14), an ecological board filled with frames (19), and the ecological interior wall frame column (13). ) is composed of a frame column trough-shaped force transmission plate (15) welded on the stirrups, and a frame column trough-shaped force transmission plate flange side groove (16) is reserved on the outside of the frame column trough-shaped force transmission plate (15). And the side grooves (17) of the frame column groove-shaped force transmission plate web; The T-shaped structural column (7) is formed by pouring concrete into a T-shaped structural column steel cage (8) formed by double-limb rectangular stirrups and their constrained longitudinal bars. The T-shaped structural column steel cage (8) stirrups T-shaped structural column trough-shaped force transmission plate (10) is welded on the trough-shaped force-transmitting steel plate. T-shaped structural column trough-shaped force-transmitting plate flange side grooves (11) are reserved on both sides of the trough-shaped force-transmitting steel plate, as well as T-shaped structural column trough-shaped force-transmitting plate. Plate web side grooves (12); The stirrup welding of the T-shaped structural column trough force transmission plate (10) and the T-shaped structural column steel cage (8), the frame column trough force transmission plate (15) of the ecological interior wall and the frame column steel cage (14 ) Stirrup welding facilitates self-tapping of the wood block (21) of the self-tapping force transmission steel plate and the flange of the T-shaped structural column grooved force transmission plate (10) and the flange of the frame column grooved force transmission plate (15) through the glass glue or structural glue; the flanges of the T-shaped structural column grooved force transmission plate (10) and the flanges of the frame column grooved force transmission plate (15) are connected through a shaped connecting steel plate (18) and self-tapping screws (20). The self-tapping nail block has a built-in steel structure; The tie bars (6) are elbow steel bars that tie the inner and outer leaf steel mesh (5), the concrete inner leaf plate (4), the concrete outer leaf plate (3) and the insulation board (9); The surface of the insulation board (9) is provided with a dovetail groove, and the insulation board (9) engages with the concrete of the inner and outer leaf wall panels through the dovetail groove; the insulation board (9) is made of polystyrene extruded board or polyethylene. Styrene foam board or phenolic foam composite board. 2. A prefabricated composite wall panel T-shaped structural column and ecological interior wall self-tapping nail block connection structure according to claim 1, characterized in that the T-shaped structural column grooved force transmission plate (10) It is a channel-shaped steel plate with a thickness of not less than 3mm that is welded on the T-shaped structural column reinforcement cage (8) of the composite wall panel. The T-shaped structural column channel-shaped force transmission plate is reserved on the outside of the web and flange and is smoothed with high-performance mortar. There are grooves on the side of the flange (11) and grooves on the side of the T-shaped structural column groove-shaped force transmission plate web (12). The inside of the flange is bonded with a wooden block (21) that is convenient for self-tapping nails to drill. 3. A prefabricated composite wall panel T-shaped structural column and an ecological interior wall self-tapping screw block connection structure according to claim 1, characterized in that the T-shaped structural column has a grooved force transmission plate flange side The groove (11) is a groove on the outside of the flange of the T-shaped structural column groove-shaped force transmission plate (10), and the one-shaped connecting steel plate (18) is connected in the groove with self-tapping screws. 4. A prefabricated composite wall panel T-shaped structural column and an ecological interior wall self-tapping screw block connection structure according to claim 1, characterized in that the T-shaped structural column has a grooved force transmission plate web side The groove (12) is a groove provided on the outside of the web of the T-shaped structural column groove-shaped force transmission plate (10). 5. A prefabricated composite wall panel T-shaped structural column and an ecological interior wall self-tapping nail block connection structure according to claim 1, characterized in that the inner side of the ecological interior wall frame column (13) is an ecological interior wall. The outside of the plate (19) is connected to the assembly joint that also serves as the cement-based grouting material pouring joint (22). The ecological interior wall frame column steel cage (14) is the reinforcing structure inside the ecological interior wall frame column (13), consisting of It is composed of longitudinal stress-bearing steel bars and stirrups, and frame column groove-shaped force transmission plates (15) are welded to the steel bars. 6. A prefabricated composite wall panel T-shaped structural column and an ecological interior wall self-tapping screw block connection structure according to claim 5, characterized in that the frame column groove-shaped force transmission plate flange side grooves (16) is a groove outside the flange of the ecological interior wall frame column trough-shaped force transmission plate (15). The one-shaped connecting steel plate (18) is put into the groove and connected with the frame column trough-shaped force transmission plate (15) wing. The edge is connected with self-tapping nails; the groove (17) on the side of the web of the frame column grooved force transmission plate (15) is the groove on the outside of the web of the frame column grooved force transmission plate (15), and the assembly joint also serves as cement-based grouting After the cement-based grouting material is poured into the material pouring joint (22), a tongue-and-groove bite structure is formed in the groove. 7. A method for realizing the connection structure between T-shaped structural columns of prefabricated composite wall panels and self-tapping nail blocks of ecological interior walls as claimed in claim 1, characterized in that the specific steps are as follows: The first step: Factory prefabricated composite exterior wall panels with T-shaped structural columns with grooved force-transmitting steel plates; prefabricated ecological interior walls with frame columns and grooved force-transmitting steel plates; Step 2: Install the composite exterior wall panels and ecological interior wall panels, and embed the one-shaped connecting steel plate into the T-shaped structural columns of the composite exterior wall panels and the flange grooves of the grooved force transmission plate of the ecological interior wall frame column; Step 3: Use self-tapping nails to freely pass through the self-tapping nail holes on the one-shaped connecting steel plate, and self-tapping to connect the T-shaped structural columns of the composite exterior wall panels and the flange of the grooved force transmission plate of the ecological interior wall frame column; Step 4: Use high-performance mortar to smooth the T-shaped structural columns of the composite exterior wall panels and the flange grooves of the eco-friendly interior wall frame columns, trough-shaped transmission plates, and use waterproof tape to seal both sides of the assembly joints. Pour cement-based grouting material into the outer grooves of the webs of the T-shaped structural columns of the composite exterior wall panels and the ecological interior wall frame column trough-shaped force transmission plates; Step 5: Paint the wall with interior decorative paint.