CN217517862U - Assembled L shape post and ecological interior wall self-tapping nail cluster connection structure - Google Patents
Assembled L shape post and ecological interior wall self-tapping nail cluster connection structure Download PDFInfo
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- CN217517862U CN217517862U CN202220603134.2U CN202220603134U CN217517862U CN 217517862 U CN217517862 U CN 217517862U CN 202220603134 U CN202220603134 U CN 202220603134U CN 217517862 U CN217517862 U CN 217517862U
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Abstract
The utility model discloses an assembled L shape post and ecological interior wall self-tapping nail glomeration joint construction for multilayer building bears the great with the assembly of ecological interior wallboard of layer and L shape post of seismic action. The self-tapping screw set block is formed by a web plate hollowed-out groove-shaped force transmission steel plate and a convex connecting steel plate which are welded on the L-shaped column and the frame column of the ecological wallboard, the self-tapping screw freely penetrates through a self-tapping screw hole of the connecting steel plate to be in self-tapping connection with a flange of the groove-shaped force transmission steel plate, and friction and occlusion force are formed between the connecting steel plate and the force transmission steel plate; an anchoring annular rib embedded in the ecological inner wall and the L-shaped column extends into a construction joint and is filled with a reinforcing steel bar and a cement-based grouting material to form a grouting strip; the assembly type wallboard can be pushed in along the axis or the vertical direction, so that the assembly difficulty is low; the difficult problem of L shape post and interior wall frame post connection has been solved in the connection of self-tapping nail collectible, and the strip that pours into forms continuous power structure and has improved the connection wholeness. The invention has the technical advantages of high-efficiency stress of combined connection, less wet operation, sound insulation and good water resistance of buildings.
Description
Technical Field
The utility model relates to an assembled L shape post and ecological interior wall self-tapping nail glomeration joint construction belongs to assembled concrete building structure engineering technical field.
Background
At present, the construction technology of the low-multi-layer and ultra-low energy consumption house in villages and small towns, in particular to the construction technology of the assembled type ultra-low energy consumption and low-multi-layer house is quite deficient. The technical bottlenecks existing in the prior art are as follows:
(1) in traditional assembled shear wall structure, generally adopt integral seam connection between the adjacent shear wall in the floor, restraint edge component and the structure edge component of vertical wall or horizontal wall handing-over department all adopt cast-in-place construction, and the wet work load of this kind of assembly method is big, the assembly rate is low, construction speed is slow, and building wall arranges the inflexibility, and the work progress has the environmental pollution problem that building rubbish emission is big and the noise is big. (2) The traditional assembled shear wall structure is limited by the shape and size of a wall plate produced in a standardized manner, the flexibility of spatial arrangement is poor, the assembly difficulty is high, and the requirements of buildings such as houses and offices with complex functional partitions are difficult to meet. (3) The traditional steel plate bolt connection technology of the shear wall is not suitable for assembling the ecological inner wall with the reinforced concrete sash, and the sound insulation and waterproof capabilities of the wall body can be reduced if the adjacent transverse walls or longitudinal and transverse walls are assembled in a mode of connecting steel plates or angle steels by penetrating bolts; if the screw on the bolt through interior wall frame post is connected to the adoption, the construction degree of difficulty is big, and the required precision is high, and needs fretwork on ecological plate, influences that the wallboard is waterproof, give sound insulation, increases the fitment degree of difficulty. Therefore, the adjacent ecological inner walls on the same layer are difficult to connect by adopting the traditional bolt connection technology; (4) the price of the self-tapping screw is much lower than that of a bolt, the thin-wall light steel keels of the thin-wall light steel keel structure are connected by the self-tapping screw, the self-tapping screw penetrates through the two connected light steel keels in sequence, force transmission between the light steel keels is realized through meshing with the self-tapping screw, and no extrusion friction force exists; however, the assembly of the ecological inner wall of the assembled strip reinforced concrete sash belongs to the assembly of the frame column and the constructional column of the ecological wallboard, the connection interface of the frame column and the constructional column mainly bears shearing force, and friction force and snap force are needed at the same time, so that the technology that the light steel keel is directly connected by the self-tapping screw at present is obviously different from the assembly of the constructional column and the frame column of the ecological wallboard and the force transmission requirement of the light steel keel; (5) the cast-in-place area of traditional shear force wall is assembled, because the cast-in-place volume of concrete is great, the concrete mold expansion power is great, need add interim construction support and fix a position the template, the expense is higher and the flexibility ratio is relatively poor, is not suitable for the construction of ecological interior wall.
SUMMERY OF THE UTILITY MODEL
The utility model provides an assembled L shape post and ecological interior wall self-tapping nail colleting joint construction, wet operation is few, and building sound insulation, water-proof effects are good.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
assembled L shape post and ecological interior wall self-tapping nail glomeration joint construction, include
The self-tapping screw assembly comprises L-shaped columns, assembled ecological inner walls and built-in steel structures of self-tapping screw blocks, wherein the L-shaped columns are arranged at the corners of the two connected assembled ecological inner walls and connect the two connected assembled ecological inner walls together;
the L-shaped column is prefabricated in a factory and is formed by pouring concrete into an L-shaped column reinforcement cage consisting of an L-shaped stirrup consisting of double-limb rectangular stirrups, an L-shaped column pouring strip anchoring annular rib, an L-shaped column longitudinal rib tie bar and an L-shaped column longitudinal rib; a L-shaped column web plate hollowed-out groove-shaped force transmission steel plate which is welded with stirrups of an L-shaped column reinforcement cage is arranged in the L-shaped column, one side of the L-shaped column web plate hollowed-out groove-shaped force transmission steel plate is welded with an L-shaped column middle convex connecting steel plate, an L-shaped column groove-shaped connecting steel plate flange side groove is reserved on the other side of the L-shaped column web plate hollowed-out groove-shaped force transmission steel plate, and a frame column convex connecting steel plate is arranged in the L-shaped column groove-shaped connecting steel plate flange side groove;
the assembled ecological inner wall is prefabricated in an ecological inner wall factory and comprises a concrete frame consisting of ecological inner wall frame columns, ecological plates filled in the frame, frame column web plate hollowed-out groove-shaped force transmission steel plates welded on frame column stirrups of ecological wall plates, and frame column convex connecting steel plates, wherein the frame column convex connecting steel plates are welded on one side flanges of the frame column web plate hollowed-out groove-shaped force transmission steel plates, frame column groove-shaped connecting steel plate flange side grooves are reserved on the other side flanges of the frame column web plate, and the frame column groove-shaped connecting steel plate flange side grooves are embedded in the frame column groove-shaped connecting steel plate flange side grooves and connected with the steel plates; the frame column reinforcement cage comprises stirrups, frame column perfusion strip anchoring annular reinforcements, frame column longitudinal reinforcement tie reinforcements and longitudinal reinforcements;
the L-shaped column is characterized in that a groove-shaped force transmission steel plate with a hollowed web plate is welded with an L-shaped column reinforcing cage, and a convex connecting steel plate in the L-shaped column is welded with a flange on one side of the groove-shaped force transmission steel plate with the hollowed web plate; the frame column web plate is welded with the frame column reinforcing cage through a hollow groove-shaped force transmission steel plate, and the L-shaped column middle convex connecting steel plate is welded with one side flange of the frame column web plate through a hollow groove-shaped force transmission steel plate; the wood block of the self-tapping force transmission steel plate convenient for the self-tapping screw is bonded with the groove-shaped force transmission steel plate with the hollowed frame column web and the groove-shaped force transmission steel plate with the hollowed L-shaped column web by the inner side of the flange on one side connected with the self-tapping screw; frame post convex connecting steel plate with convex connecting steel plate imbeds respectively in the L shape post flute profile connecting steel plate edge of a wing side recess and in the frame post flute profile connecting steel plate edge of a wing side recess, the protruding seam of then embedding is filled in convex connecting steel plate middle part, frame post convex connecting steel plate the cell type that convex connecting steel plate and frame post web fretwork passed power steel sheet, L shape post web fretwork in the L shape post passes the cell type and passes the power steel sheet and all adopt the self-tapping nail to connect.
Preferably, the outer side of the frame column of the ecological inner wall is connected with an assembly joint and a cement-based grouting material pouring strip; the frame column perfusion strip anchoring ring rib is a rectangular stirrup and is embedded in the frame column of the ecological inner wall, part of the frame column perfusion strip anchoring ring rib is suspended in an assembly joint between the frame column outside the frame column of the ecological inner wall and the L-shaped column, and a whole perfusion strip is formed after cement-based grouting materials are perfused.
Preferably, the frame column longitudinal bar tie bar is an elbow tie bar which is formed by pouring a strip anchoring annular bar into the frame column and extending out of one side of the frame column.
Preferably, the frame column web plate hollowed groove-shaped force transmission steel plate is a groove-shaped steel piece with a hollowed web plate, and the groove-shaped force transmission steel plate is welded on the frame column steel reinforcement cage.
Preferably, frame post convex connecting steel plate is a shape steel sheet middle part local thickening and forms bellied convex steel plate, the less edge of a wing thickness in frame post convex connecting steel plate both sides is not less than 3mm, and the protruding thickness in middle part is 10mm, and the width is unanimous with the strip thickness that pours into.
Preferably, frame post convex connecting steel plate one end with the cell type of frame post web fretwork passes power steel sheet edge of a wing welding and pre-buried in frame post concrete, and the opposite side is encorbelmented outside the frame post to open self tapping screw hole in advance in self tapping screw hookup location.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
(1) the self-tapping nail cluster solves the following technical problems: 1) the self-tapping nail cluster block structure obviously reduces wet operation on a construction site, and solves the problems of large construction waste discharge and large noise and environmental pollution; 2) the problems that the frame column of the ecological wallboard is connected with the steel plate bolt of the L-shaped constructional column and the connection of the through bolt is not applicable are solved; 3) adopt self-tapping nail glomeration joint construction to be convenient for assemble, ecological wallboard can push the assembly position in side or front, and the steel sheet embedding of being connected on L shape post and the ecological wallboard frame post passes power steel sheet side recess, adopts the self-tapping nail to connect again, has simplified the construction flow, has improved assembly efficiency.
(2) The L-shaped column solves the following technical problems: 1) the problems of large cast-in-place quantity and low assembly rate of integral seam connection of the traditional assembly type shear wall structure are solved; 2) the problem that the traditional assembled structural wallboard is inflexible in arrangement, and the limitation of the size and the distribution position of the wallboard on the building space functional partition is reduced is solved; 3) and the anti-overturning and anti-collapsing performance of the building is improved as a second anti-earthquake defense line.
(3) The combined connection structure comprises: the prefabricated ecological inner wall and the L-shaped constructional column are reliably connected, and the self-tapping nail cluster and the pre-buried anchoring annular rib are connected with the pouring seam in a combined mode, so that the ecological inner wall frame column and the L-shaped constructional column are equal to a constraint edge member and a construction edge member in a cast-in-place shear wall structure, and the prefabricated production and assembly construction of the constraint edge member and the construction edge member in the traditional assembly type shear wall structure are realized.
Drawings
FIG. 1 is a floor plan;
FIG. 2 is a schematic sectional view of the connection structure of the ecological inner wall with assembled L-shaped columns and the self-tapping nail cluster;
FIG. 3 is a schematic sectional view of the assembled L-shaped column and the ecological inner wall which are not connected together;
FIG. 4 is a schematic cross-sectional view of a fabricated L-shaped column;
FIG. 5 is a schematic sectional view of the construction of the ecological interior wall assembly joint and cement-based grouting material pouring strip;
FIG. 6 is an assembly view of the connection structure of the L-shaped column and the self-tapping nail cluster block of the ecological inner wall;
FIG. 7 is a perspective view of the ecological inner wall;
FIG. 8 is a schematic perspective view of the steel structure inside the L-shaped column;
FIG. 9 is a schematic perspective view of an L-shaped post;
FIG. 10 is a schematic view of the built-in steel structure of the self-tapping nail cluster block;
FIG. 11 is a schematic structural view of the L-shaped columns when not connected with the steel structure inside the ecological inner wall;
in the figure: 1. an assembled ecological inner wall; 2. ecological inner wall frame columns; 3. a frame column reinforcement cage; 4. pouring strip anchoring ring ribs into the frame columns; 5. the frame column longitudinal bars tie the reinforcing steel bars; 6. a groove-shaped force transmission steel plate with a frame column web plate hollowed out; 7. the frame column is convexly connected with a steel plate; 8. the frame column groove type is connected with a groove on the side surface of a flange of the steel plate; 9. an L-shaped column; 10. an L-shaped column reinforcement cage; 11. pouring a strip anchoring annular rib into the L-shaped column; 12. the L-shaped column longitudinal bar is tied with a reinforcing steel bar; 13. a grooved force transmission steel plate with hollowed L-shaped column webs; 14. the L-shaped column is convexly connected with the steel plate; 15. the L-shaped column groove type is connected with a groove on the side surface of the flange of the steel plate; 16. self-tapping screw; 17. wood blocks; 18. ecological plates; 19. and assembling the joint and filling the strip with the cement-based grouting material.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1-11, the self-tapping screw assembly block is an ecological inner wall filled with ecological plates in a reinforced concrete frame of a trough-shaped force transmission steel plate with a hollow web, an L-shaped column of the trough-shaped force transmission steel plate with a hollow web, the ecological inner wall connected with a convex connecting steel plate by adopting a self-tapping screw, and an embedded steel-structure concrete thin wall plate block with the thickness of 40mm outside the flange area of the L-shaped column trough-shaped force transmission steel plate, and is a steel-concrete combined block. The convex connecting steel plate has its middle part raised to engage with the tongue and groove of the cement-base grouting material in the assembling joint to form shearing resisting effect in the pouring joint between the frame column and the L-shaped column. Forming a self-tapping nail cluster: a frame column steel bar of the prefabricated ecological inner wall is welded with a groove-shaped force transmission steel plate with a hollowed web plate, and a convex connecting steel plate is welded with a flange on one side of the groove-shaped force transmission steel plate of the frame column of the ecological wallboard and is embedded in frame column concrete; the L-shaped column steel bars are welded with a force transmission steel plate with a hollowed web plate, and the convex connecting steel plate is welded with one side flange of the L-shaped column groove type force transmission steel plate and is embedded in the L-shaped column concrete; and the convex connecting steel plates of the ecological wallboard frame column and the L-shaped column with the self-tapping screw holes are respectively embedded into groove-shaped force transmission steel plate flange side grooves of the wallboard frame column and the L-shaped constructional column, and the self-tapping screws freely penetrate through the convex connecting steel plate holes and then respectively self-tap the groove-shaped force transmission steel plate flanges of the wallboard frame column and the L-shaped column. The groove embedded into the convex connecting steel plate is leveled by high-performance mortar, cement-based grouting material is poured into the assembly joint to form a 50mm thick pouring strip, and the structure forms an embedded steel structure concrete combined block of concrete with the thickness of 40mm of the outline of the horizontal web plate of the groove-shaped force transmission steel plate and the convex force transmission steel plate.
The L-shaped column is an L-shaped stirrup formed by internally configuring double-limb rectangular stirrups, a reinforcement cage formed by constrained L-shaped column longitudinal reinforcements, a groove-shaped force transmission steel plate and an L-shaped constructional column formed by pouring concrete with a convex connecting steel plate welded with a groove-shaped force transmission steel plate flange. And a groove embedded with a convex connecting steel plate is reserved on the outer side of the flange of the L-shaped column groove-shaped force transmission steel plate, and after the convex connecting steel plate is installed, high-performance mortar is adopted in the groove on the side surface of the flange of the groove-shaped force transmission steel plate for trowelling and pouring cement-based grouting material into an assembly joint of the wall plate frame column and the L-shaped column.
The ecological inner wall is a reinforced concrete frame formed by reinforced concrete frame beam columns and middle constructional columns, and an ecological wallboard formed by filling light ecological environment-friendly boards in the frame. The light ecological environment-friendly board is prepared from solid wastes such as fly ash, slag and the like. A groove-shaped force transmission steel plate with a hollow web plate is welded on a stirrup of a frame column of the ecological wall plate, and a flange on one side of the groove-shaped force transmission steel plate is welded with a convex connecting steel plate and is embedded in the frame column. The groove of embedded convex connecting steel plate is reserved on the outer side of the flange of the force transmission steel plate of the ecological wallboard frame column groove, and cement-based grouting material is poured into the assembly joint of the wallboard frame column and the L-shaped column to form a pouring joint after the convex connecting steel plate is installed.
The combined connection structure is a combined structure of a connection structure for concentrated force transmission of self-tapping nail blocks of the ecological wallboard and the L-shaped column, and a synergic force bearing structure formed by a pouring joint formed by reinforcing steel bars at an assembling joint and a cement-based grouting material with the thickness of 50mm and a continuous force transmission connection structure formed by the ecological wallboard and an anchoring annular rib pre-embedded in the L-shaped column. The prefabricated ecological inner wall and the L-shaped constructional column are reliably connected through the combined connection structure, the self-tapping nail cluster blocks and the pre-buried anchoring ring ribs are connected with the pouring seams in a combined mode, the ecological inner wall frame column and the L-shaped constructional column are equal to the restraining edge component and the construction edge component in the cast-in-place shear wall structure, and the prefabricated production and assembly construction of the restraining edge component and the construction edge component in the traditional assembly type shear wall structure are achieved.
The connection structure has the following connection relationship of the parts:
an L-shaped column: the L-shaped column is prefabricated in a factory and is formed by pouring concrete into an L-shaped column reinforcement cage 10 which is composed of an L-shaped stirrup composed of double-limb rectangular stirrups, an L-shaped column pouring strip anchoring annular reinforcement 11, an L-shaped column longitudinal reinforcement tie reinforcement 12 and a longitudinal reinforcement restrained by the L-shaped column longitudinal reinforcement tie reinforcement 12. A groove-shaped force transmission steel plate 13 with a hollow web plate arranged in the L-shaped column is welded with a reinforcement cage stirrup, and a groove 15 is reserved on one side of the groove-shaped force transmission steel plate and the other side of the L-shaped column middle convex connecting steel plate 14 for assembling the frame column convex connecting steel plate 7. The L-shaped column pouring strip anchoring annular rib 11 and the assembly joint and cement-based grouting material pouring strip 19 form a post-pouring part in the combined connecting structure.
Ecological interior wall of assembled: ecological interior wall mill prefabrication, it is by the concrete frame that ecological interior wall frame post 2 is constituteed and ecological plate 18, ecological wall flange frame post stirrup welded fretwork cell type pass power steel sheet 6 and frame post convex connecting plate 7 constitute of sash packing, and the cell type of frame post web fretwork passes power steel sheet 6 one side edge of a wing welding frame post convex connecting plate 7, and recess 8, the embedded connecting plate of recess are reserved to one side edge of a wing side. The frame column reinforcement cage 3 is composed of stirrups, frame column perfusion strip anchoring annular ribs 4, frame column longitudinal rib tie bars 5 and longitudinal ribs restrained by the frame column perfusion strip anchoring annular ribs 4 and the assembly joint and cement-based grouting material perfusion strip 19, and a post-pouring part in the combined connection structure is formed.
Built-in steel of self-tapping nail glomeration constructs: a groove-shaped force transmission steel plate 13 with a hollowed web plate of the L-shaped column is welded with the L-shaped column steel reinforcement cage 10, and a convex connecting steel plate 14 in the L-shaped column is welded with a flange on one side of the groove-shaped force transmission steel plate 13; a groove-shaped force transmission steel plate 6 with a hollowed frame column web is welded with a frame column steel reinforcement cage 3, and a convex connecting steel plate 14 in the L-shaped column is welded with a flange on one side of the groove-shaped force transmission steel plate 6; the wood block 17 of the self-tapping power transmission steel plate convenient for self-tapping screws is bonded with the groove-shaped power transmission steel plate 6 with the hollowed frame column web and the inner side of the flange on the self-tapping screw connecting side of the groove-shaped power transmission steel plate 13 with the hollowed L-shaped column web through glass cement or structural cement; the frame column convex connecting steel plates 7 and the L-shaped column middle convex connecting steel plates 14 are respectively embedded into the L-shaped column groove type connecting steel plate flange side grooves 15 and the frame column groove type connecting steel plate flange side grooves 8, the convex connecting steel plates are embedded into the pouring seams in the middle of the convex connecting steel plates, and the convex connecting steel plates 7 and 14 and the groove type force transmission steel plates 6 and 13 are connected through self-tapping screws 16.
The combined connection structure comprises: the self-tapping screw is a combined connection structure consisting of a self-tapping screw cluster block centralized force transmission structure and an assembly joint and cement-based grouting material perfusion strip 19 continuous force transmission structure. In the self-tapping screw connection structure area: high-performance mortar trowels grooves in the side faces of the groove-shaped force transmission steel plates, cement-based grouting materials in the pouring strips are bonded with the convex connecting steel plates and form tongue-and-groove occlusion with the middle protrusions of the convex connecting steel plates, and the cement-based grouting materials are bonded with the groove-shaped force transmission steel plates with the hollow webs; in the non-self-tapping screw connection structure area: the reinforcing steel bar and the cement-based grouting material in the pouring strip, the frame column of the ecological inner wall and the anchoring annular rib of the L-shaped column form an integral stressed strip, and the stressed performance of the pouring strip is guaranteed. The combined connection structure is an important structure for ensuring the joint work of the L-shaped column and the assembled ecological inner wall.
Ecological interior wall of assembled 1: the wall plate is a combined wall plate formed by a reinforced concrete lattice truss and ecological plates 18 filled in the reinforced concrete lattice truss, and the frame columns and the frame beams form a frame of the reinforced concrete lattice truss.
Ecological interior wall frame post 2: the ecological inner wall frame column is formed by pouring C30-C40 strength-grade fine aggregate concrete into a frame column reinforcement cage 3 formed by square stirrups, frame column pouring strip anchoring annular reinforcements 4, frame column longitudinal reinforcement tie reinforcements 5 and longitudinal reinforcements restrained by the frame column longitudinal reinforcements. The ecological inner wall frame column 2 is filled with ecological plates 18 at the inner side and connected with an assembly joint and cement-based grouting material pouring strip 19 at the outer side. The frame column perfusion strip anchoring ring rib 4 is a rectangular stirrup and is embedded in the frame column 2 of the ecological inner wall, part of the frame column is suspended in an assembly joint between the frame column outside the frame column 2 of the ecological inner wall and the L-shaped column, and a whole perfusion strip is formed after cement-based grouting material is perfused so as to enhance the anchoring effect of the frame column of the ecological inner wall and the perfusion strip and improve the integrity of the ecological wall plate and the L-shaped column. The frame column longitudinal bar tie bar 5 is an elbow tie bar which is formed by pouring a strip anchoring ring bar 4 into the frame column and extending out of one side of the frame column, so that the function of tie constraint of the reinforcing anchoring ring bar on the frame column longitudinal bar is achieved.
Frame post web fretwork cell type passes power steel sheet 6: the steel is a groove-shaped steel piece with a hollow web plate welded on a frame column reinforcing cage 3, the thickness of the groove-shaped steel piece is not less than 3mm, one side flange of a groove-shaped force transmission steel plate is welded with a frame column convex connecting steel plate 7, a groove is reserved on the side face of the other side flange, and the inner side of the groove-shaped force transmission steel plate is bonded with a wood block 17 convenient for self-tapping drilling of a self-tapping screw by glass cement or structural cement. The hollow structure of the groove-shaped force transmission steel plate web improves the connection and engagement effect of the groove-shaped force transmission steel plate web with frame column concrete and pouring strip grouting material, and improves the stress performance of a self-tapping nail cluster region.
Frame post convex connection steel plate 7: the middle part of a steel plate is locally thickened to form a convex steel plate, the thickness of the flanges which are thinner at two sides of the steel plate is not less than 3mm, the thickness of the middle part of the steel plate is 10mm, and the width of the steel plate is consistent with the thickness of a pouring strip. One end of the frame column convex connecting steel plate 7 is welded with the flange of the groove-shaped force transmission steel plate 6 hollowed out of the web plate of the frame column and is embedded in the concrete of the frame column, the other side of the frame column convex connecting steel plate is cantilevered outside the frame column, and a self-tapping screw hole is formed in the self-tapping screw connecting position in advance. Embedding the exposed flange part of the convex force transmission steel plate into a groove 15 on the side surface of the flange of the L-shaped column groove-type connecting steel plate, and enabling a self-tapping nail to freely pass through a self-tapping nail hole in the convex force transmission steel plate and be in self-tapping connection with a groove-type force transmission steel plate 13 with a hollowed L-shaped column web plate to form a steel structure part of a self-tapping nail assembly; the convex position of the convex force transmission steel plate is embedded into a pouring strip 19, and after cement-based grouting material is poured, a tongue-and-groove meshing structure is formed at the convex position of the connecting steel plate.
Frame post groove type connection steel sheet flange side recess 8: a groove which is formed by plastering high-performance mortar with the strength not lower than M15 is reserved on the outer side of the flange of the hollow groove-shaped force transmission steel plate 6 with the frame column web.
L-shaped column 9: the steel bar cage is an L-shaped constructional column prefabricated in a factory, an L-shaped column steel bar cage 10 is arranged inside the L-shaped constructional column, and a groove-shaped force transmission steel plate 13 with an L-shaped column web plate hollowed out is welded on the steel bar cage. A groove is reserved on the side face of the flange on one side of the L-shaped column groove type force transmission steel plate, and a frame column convex connecting steel plate 7 is embedded in the groove. Functionally: l shape post is the main structure that adjacent horizontal, vertical ecological wallboard is connected, in the structure: the L-shaped constructional column is an important bearing construction and is used as a second earthquake-proof defense line to improve the earthquake-proof performance and the overturn and collapse resistance of the structure.
L-shaped column reinforcement cage 10: is a reinforcement cage consisting of an L-shaped stirrup composed of double-limb rectangular stirrups, an L-shaped column perfusion strip anchoring annular reinforcement 11, an L-shaped column longitudinal reinforcement tie reinforcement 12 and longitudinal reinforcements restrained by the L-shaped column longitudinal reinforcement tie reinforcement and the L-shaped column longitudinal reinforcement tie reinforcement. The L-shaped column perfusion strip anchoring annular rib 11 is a rectangular hoop rib, is embedded in the L-shaped column 9, partially overhangs in an assembly joint between the L-shaped column outside the L-shaped column 9 and the frame column, and is formed into an integral perfusion strip after cement-based grouting material is poured so as to enhance the anchoring effect of the L-shaped column and the perfusion strip and improve the integrity of the L-shaped column and the ecological wallboard. The L-shaped column longitudinal bar tie bar 12 is an elbow tie bar which is formed by pouring a strip anchoring ring bar 11 into the L-shaped column and extending out of one side of the frame column, so that the function of tie constraint of the L-shaped column longitudinal bar by the reinforcing anchoring ring bar is achieved.
The hollow groove-shaped force transmission steel plate 13 of the L-shaped column web plate: the steel bar cage is a groove-shaped steel piece with a hollow web plate and welded on an L-shaped column steel bar cage 10, the thickness of the groove-shaped steel piece is not less than 3mm, one side flange of a groove-shaped force transmission steel plate is welded with an L-shaped column convex connecting steel plate 14, a groove is reserved on the side face of the other side flange, and the inner side of the groove-shaped force transmission steel plate is bonded with a wood block 17 which is convenient for self-tapping drilling of a self-tapping screw by glass cement or structural cement. The hollow structure of the groove-shaped force transmission steel plate web improves the connection and engagement effect of the groove-shaped force transmission steel plate web with frame column concrete and pouring strip grouting material, and improves the stress performance of a self-tapping nail cluster region.
L-shaped column convex connecting steel plate 14: the middle part of a steel plate is locally thickened to form a convex steel plate, the thickness of the flanges which are thinner at two sides of the steel plate is not less than 3mm, the thickness of the middle part of the steel plate is 10mm, and the width of the steel plate is consistent with the thickness of a pouring strip. One end of the L-shaped column convex connecting steel plate 14 is welded with a trough-shaped force transmission steel plate 13 with a hollowed web plate of the L-shaped column and is embedded in concrete of the L-shaped column, the other side of the L-shaped column convex connecting steel plate is cantilevered outside the L-shaped column, and a self-tapping screw hole is formed in the self-tapping screw connecting position in advance. Embedding the exposed flange part of the convex force transmission steel plate into a flange side groove 8 of the frame column groove type connecting steel plate, and enabling a self-tapping screw to freely pass through a self-tapping screw hole in the convex force transmission steel plate and be in self-tapping connection with a flange 6 of the groove type force transmission steel plate hollowed out of a web plate of the frame column to form a steel structure part of a self-tapping screw assembly block; the convex position of the convex force transmission steel plate is embedded into a pouring strip 19, and after cement-based grouting material is poured, a tongue-and-groove meshing structure is formed at the convex position of the connecting steel plate.
L-shaped column groove type connecting steel plate flange side groove 15: a groove which is formed by plastering high-performance mortar with the strength not lower than M15 is reserved on the outer side of the flange of a hollow groove type force transmission steel plate 13 with an L-shaped column web plate.
The self-tapping screw 16: the ST 6.3 type hexagonal tail drill self-tapping screw can be selected, the total length of the self-tapping screw is 20mm, the through length of the thread is long, and the distance between the self-tapping screws is 25-50mm generally.
Wood block 17: the wood blocks are adhered to the L-shaped columns and the inner sides of the flanges of the groove-shaped force transmission steel plates of the frame columns of the ecological inner wall by adhesives such as glass cement and the like, and the wood blocks have the main function of facilitating the self-tapping screws to drill into the force transmission steel plates.
Ecological plate 18: the wall board is a microporous lightweight ecological concrete wall board filled in a reinforced concrete frame, and has the advantages of light dead weight, good heat preservation and sound insulation and economic price.
Assembling the joint and cement-based grouting material pouring strip 19: is the 50mm assembly joint between concrete L shape post and ecological interior wall frame post, pour into cement base grouting material in the assembly joint behind convex connecting steel plate embedding recess and revise: and after the convex connecting steel plate is embedded into the groove, putting a steel bar into the groove, binding the steel bar with the perfusion strip anchoring annular bars on two sides, and perfusing cement-based grouting material. In the self-tapping screw connection structure area: high-performance mortar trowels grooves in the side faces of the groove-shaped force transmission steel plates, cement-based grouting materials in the pouring strips are bonded with the convex connecting steel plates and form tongue-and-groove occlusion with the middle protrusions of the convex connecting steel plates, and the cement-based grouting materials are bonded with the groove-shaped force transmission steel plates with the hollow webs; in the non-self-tapping screw connection construction area: the reinforcing steel bar and the cement-based grouting material in the pouring strip, the frame column of the ecological inner wall and the anchoring annular rib of the L-shaped column form an integral stress strip, and the stress performance of the pouring strip is guaranteed. The combined connection structure is an important structure for ensuring the joint work of the L-shaped column and the assembled ecological inner wall.
The assembling process of the assembled L-shaped column and ecological inner wall self-tapping nail cluster connecting structure is as follows: 1) preparing an assembled ecological inner wall with a web plate hollowed groove-shaped force transmission steel plate and a convex connecting steel plate; preparing a grooved force transmission steel plate with a web plate hollow and an L-shaped column of a convex connecting steel plate; 2) mounting an assembled ecological inner wall and an L-shaped column, and embedding a convex connecting steel plate into a groove-shaped force transmission steel plate flange outer side groove with a hollow web plate; 3) self-tapping screws freely penetrate through self-tapping screw holes of the convex connecting steel plates, and the self-tapping connecting groove type force transmission steel plate flanges. Leveling grooves on the outer sides of flanges of the grooved force transmission steel plates with the hollowed webs by using M15 high-performance mortar; 4) placing reinforcing steel bars and binding the reinforcing steel bars with the perfusion strip anchoring ring bars on the two sides, installing a template in a perfusion strip area, and pouring cement-based grouting material in the perfusion strip; 5) and after the pouring strip is cured, removing the mold and painting the interior wall decorative coating.
The above is only the specific implementation manner of the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, and according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be included in the protection scope of the present invention.
Claims (5)
1. An assembled L-shaped column and ecological inner wall self-tapping nail cluster connecting structure is characterized by comprising
The self-tapping embedded ecological wall comprises L-shaped columns (9), assembled ecological inner walls (1) and built-in steel structures of self-tapping nail blocks, wherein the L-shaped columns (9) are arranged at the corners of the two connected assembled ecological inner walls (1) and connect the two connected assembled ecological inner walls (1) together;
the L-shaped column (9) is prefabricated in a factory and is formed by pouring concrete into an L-shaped column reinforcement cage (10) which is composed of an L-shaped stirrup composed of double-limb rectangular stirrups, an L-shaped column perfusion strip anchoring annular reinforcement (11), an L-shaped column longitudinal reinforcement tie reinforcement (12) and a longitudinal reinforcement; a L-shaped column web plate hollowed-out groove-shaped force transmission steel plate (13) welded and connected with stirrups of an L-shaped column reinforcement cage (10) is arranged in the L-shaped column (9), one side of the L-shaped column web plate hollowed-out groove-shaped force transmission steel plate (13) is welded with an L-shaped column middle convex connecting steel plate (14), an L-shaped column groove-shaped connecting steel plate flange side groove (15) is reserved on the other side of the L-shaped column web plate hollowed-out groove-shaped force transmission steel plate (13), and a frame column convex connecting steel plate (7) is arranged in the L-shaped column groove-shaped connecting steel plate flange side groove (15);
the assembled ecological inner wall (1) is prefabricated in an ecological inner wall factory and comprises concrete lattices consisting of ecological inner wall frame columns (2), ecological plates (18) filled in the lattices, frame column web plate hollowed groove-shaped force transmission steel plates (6) welded on frame column stirrups of the ecological wall plates and frame column convex connecting steel plates (7), wherein the frame column web plate hollowed groove-shaped force transmission steel plates (6) are welded on one side flange of each frame column convex connecting steel plate (7), frame column groove-shaped connecting steel plate flange side grooves (8) are reserved on the other side flange of each frame column, and the frame column groove-shaped connecting steel plate flange side grooves (8) are embedded into the connecting steel plates; the frame column reinforcement cage (3) comprises stirrups, frame column perfusion strip anchoring annular reinforcements (4), frame column longitudinal reinforcement tie reinforcements (5) and longitudinal reinforcements;
the L-shaped column is characterized in that a groove-shaped force transmission steel plate (13) with a hollowed web plate is welded with an L-shaped column reinforcing cage (10), and a convex connecting steel plate (14) in the L-shaped column is welded with a flange on one side of the groove-shaped force transmission steel plate (13) with a hollowed web plate in the L-shaped column; the frame column web plate hollowed groove-shaped force transmission steel plate (6) is welded with the frame column steel reinforcement cage (3), and the L-shaped column middle convex connecting steel plate (14) is welded with one side flange of the frame column web plate hollowed groove-shaped force transmission steel plate (6); a wood block (17) of the self-tapping force transmission steel plate of the self-tapping screw is bonded with the groove-shaped force transmission steel plate (6) with the hollowed frame column web and the groove-shaped force transmission steel plate (13) with the hollowed L-shaped column web by the inner side of the flange on one side connected with the self-tapping screw; the frame column convex connecting steel plate (7) and the L-shaped column middle convex connecting steel plate (14) are respectively embedded into the L-shaped column groove type connecting steel plate flange side groove (15) and the frame column groove type connecting steel plate flange side groove (8), the middle part of the convex connecting steel plate is protruded to be embedded into a pouring seam, and the frame column convex connecting steel plate (7), the L-shaped column middle convex connecting steel plate (14), the frame column web plate hollowed groove-shaped force transmission steel plate (6) and the L-shaped column web plate hollowed groove-shaped force transmission steel plate (13) are all connected by self-tapping screws (16);
the outer side of the frame column (2) of the ecological inner wall is connected with an assembly joint and cement-based grouting material pouring strip (19); the frame column perfusion strip anchoring ring rib (4) is a rectangular hoop rib, is embedded in the ecological inner wall frame column (2), partially overhangs in an assembly joint between the frame column outside the ecological inner wall frame column (2) and the L-shaped column, and forms an integral perfusion strip after cement-based grouting is poured.
2. The assembled L-shaped column and ecological inner wall self-tapping nail cluster connection structure as claimed in claim 1, wherein the frame column longitudinal bar tie bar (5) is an elbow tie bar which is formed by pouring a strip anchoring ring bar (4) into the frame column and extending out of one side of the frame column.
3. The assembled L-shaped column and ecological inner wall self-tapping nail cluster connection structure as claimed in claim 1, wherein the frame column web hollow-out groove-shaped force transmission steel plate (6) is a web hollow-out groove-shaped steel piece welded on the frame column reinforcement cage (3).
4. The assembled L-shaped column and ecological inner wall self-tapping screw cluster block connecting structure as claimed in claim 1, wherein the frame column convex connecting steel plate (7) is a convex steel plate formed by locally thickening the middle part of a steel plate, the thickness of the thinner flanges on two sides of the frame column convex connecting steel plate (7) is not less than 3mm, the thickness of the middle part of the convex connecting steel plate is 10mm, and the width of the convex connecting steel plate is consistent with the thickness of a pouring strip.
5. The structure of claim 1, wherein one end of the frame column convex connecting steel plate (7) is welded to the flange of the frame column web hollow groove-shaped force transmission steel plate (6) and embedded in the frame column concrete, and the other end of the frame column convex connecting steel plate is cantilevered outside the frame column and is provided with a self-tapping screw hole in advance at the self-tapping screw connecting position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220603134.2U CN217517862U (en) | 2022-03-19 | 2022-03-19 | Assembled L shape post and ecological interior wall self-tapping nail cluster connection structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220603134.2U CN217517862U (en) | 2022-03-19 | 2022-03-19 | Assembled L shape post and ecological interior wall self-tapping nail cluster connection structure |
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| CN217517862U true CN217517862U (en) | 2022-09-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753692A (en) * | 2022-03-19 | 2022-07-15 | 北京工业大学 | Assembly type L-shaped column and ecological inner wall self-tapping nail cluster connecting structure and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753692A (en) * | 2022-03-19 | 2022-07-15 | 北京工业大学 | Assembly type L-shaped column and ecological inner wall self-tapping nail cluster connecting structure and method |
| CN114753692B (en) * | 2022-03-19 | 2024-03-22 | 北京工业大学 | Assembled L-shaped column and ecological interior wall self-tapping screw block connection structure and construction method |
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