Transverse connecting structure of laminated wall panel

Abstract

The utility model relates to a kind of overlap wallboard transverse connecting structure, the connecting structure is used to connect the double overlap wall of vertical arrangement and the prefabricated slab horizontally arranged at the top of double overlap wall, the side edge of prefabricated slab and the top of double overlap wall overlap, including several connecting cables and several fixers, the fixer is fixedly arranged in the top surface of the prefabricated slab and the inside of double overlap wall respectively, one end of the connecting cable and the fixer on prefabricated slab are fixedly connected, the other end of connecting cable and the fixer in double overlap wall are fixedly connected, connecting cable is L-shaped arrangement, the turning point of L-shaped structure is located in the side edge of prefabricated slab close to the double overlap wall;Tightening part is provided on the connecting cable.The utility model makes the overlap of prefabricated slab and overlap wall closely.

Description

Technical Field

[0001] This utility model relates to the field of composite panel technology, specifically a transverse connection structure for composite wall panels. Background Technology

[0002] In the fields of industrialized building and prefabricated construction, the application of double-sided composite walls and precast floor slabs is becoming increasingly widespread. These components are prefabricated in factories, effectively improving construction efficiency and project quality. In actual construction, how to reliably and efficiently connect the vertically arranged composite walls and horizontally arranged precast slabs is a crucial aspect of ensuring structural integrity and safety.

[0003] Currently, common lateral connection methods mostly employ welding, bolting, or pre-installed reinforcing bar anchors. For example, steel plates are pre-embedded in the top of the wall panel and welded on-site to the reinforcing bars or embedded parts extending from the precast panel; or complex bolt connections are used for fixation. However, these traditional methods have the following significant drawbacks: welding operations require ample operating space and are easily affected by weather, generating welding slag and fumes, which does not meet the requirements of green construction; bolted connections have extremely stringent requirements for the production precision of precast components and on-site alignment precision, making construction difficult. Welding quality is greatly affected by the worker's skill level, and incomplete welds and missed welds are prone to occur; bolted connections may loosen under vibration. Some connection methods make it difficult to apply effective pre-tightening force to the connection, failing to ensure the connection is tight in the early stages of structural stress, affecting the overall stiffness and load-bearing performance of the structure. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a transverse connection structure for composite wall panels, thereby solving the problem of low stability in the connection between double-sided composite walls and precast floor slabs in existing technologies.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a horizontal connection structure for composite wall panels, wherein the connection structure is used to connect a vertically arranged double-sided composite wall and a precast panel horizontally arranged on top of the double-sided composite wall, the side of the precast panel overlaps with the top of the double-sided composite wall, and includes several connecting cables and several fasteners, the fasteners being respectively fixedly arranged on the top surface of the precast panel and inside the double-sided composite wall, one end of the connecting cable being fixedly connected to the fastener on the precast panel, and the other end of the connecting cable being fixedly connected to the fastener inside the double-sided composite wall, the connecting cable being L-shaped, the turning point of the L-shape being located on the side of the precast panel near the double-sided composite wall; the connecting cable is provided with a tightening part.

[0006] Preferably, the top of the double-sided composite wall is horizontally fixed with supporting steel bars, and the turning points of the connecting cables are supported by the supporting steel bars.

[0007] Preferably, the connecting cable is a steel strand.

[0008] Preferably, the tightening part is a turnbuckle, which is located at the end of the connecting cable near the precast slab.

[0009] Preferably, the fastener is a pre-embedded bolt.

[0010] Preferably, the nominal diameter of the steel strand is between 9.5 mm and 21.5 mm.

[0011] Preferably, the steel strand is provided with a rust-proof layer.

[0012] Preferably, a number of embedded rods are arranged side by side on the supporting steel bars. The embedded rods are perpendicular to the supporting steel bars and are located in the wall body of the double-sided composite wall on the side close to the precast slab.

[0013] Preferably, the end of the connecting cable is provided with a wire rope clamp for connecting with the fixing device.

[0014] Preferably, the connection between the connecting cable and the supporting reinforcing bar is secured with a steel wire.

[0015] Compared with existing technologies, the technical solution of this application has the following technical advantages: In terms of construction, this structure simplifies complex node connections to a simple tensioning operation. Pre-tensioning force is actively generated by tightening the connecting cables, ensuring a tight fit between the precast slab and the composite wall, significantly improving construction efficiency and reducing the requirements for work space and operational skills. In terms of structural performance, the L-shaped connecting cables form an efficient force transmission path: their vertical component reliably transfers the precast slab load to the composite wall, while the horizontal component effectively constrains the relative displacement between the wall panels, thus significantly enhancing the integrity and stiffness of the nodes. Simultaneously, the flexible connecting cables also endow the structure with good ductility and seismic performance. In terms of economy, this connection structure uses standardized components, saving materials and facilitating quality control. All connection work is completed on top of the slab, without occupying indoor space, providing convenience for subsequent construction. Attached Figure Description

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Figure 1 This is a schematic diagram of the connection of the connecting cable of this utility model.

[0018] In the diagram: 1. Precast slab; 2. Double-sided composite wall; 3. Embedded bolt; 4. Turnbuckle; 5. Supporting steel bar; 6. Embedded rod; 7. Connecting cable; 8. Wire rope clamp. Detailed Implementation

[0019] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0020] like Figure 1 As shown, a horizontal connection structure for composite wall panels is provided. This connection structure connects a vertically arranged double-sided composite wall 2 and a precast slab 1 horizontally positioned on top of the double-sided composite wall 2. The side of the precast slab 1 overlaps with the top of the double-sided composite wall 2. The structure includes several connecting cables 7 and several fasteners. The fasteners are respectively fixed to the top surface of the precast slab 1 and the interior of the double-sided composite wall 2. One end of each connecting cable 7 is fixedly connected to a fastener on the precast slab 1, and the other end is fixedly connected to a fastener inside the double-sided composite wall 2. The connecting cable 7 is L-shaped, with the turning point of the L-shape located on the side of the precast slab 1 near the double-sided composite wall 2. A tightening part is provided on the connecting cable 7. During the production stage, the fasteners are pre-embedded in the top surface of the precast slab 1 and inside the composite wall. During on-site construction, one end of the connecting cable 7 is first fixedly connected to the fastener before the double-sided composite wall 2 is closed, and then the precast slab 1 is hoisted to its top to form an overlap. The other end of the connecting cable 7 is then connected to the fixing device of the precast slab 1 to form an L-shaped force transmission path. Finally, tensioning is performed by adjusting the tightening part on the connecting cable 7 to make the connecting cable 7 taut and generate preload, thereby ensuring a tight and reliable connection between the precast slab 1 and the composite wall.

[0021] Preferably, a supporting steel bar 5 is horizontally fixed at the top of the double-sided composite wall 2, and the turning point of the connecting cable 7 is supported by the supporting steel bar 5. The supporting steel bar 5 provides a reliable force-bearing fulcrum for the L-shaped connecting cable 7, effectively preventing its displacement or wear, and ensuring the stable formation of the L-shaped force transmission path.

[0022] Preferably, the connecting cable 7 is a steel strand. Using steel strand as the connecting cable 7 fully utilizes its high strength and flexibility, enabling it to withstand enormous tensile forces to ensure a strong and reliable connection, while also being easily bent into the required L-shape, thus optimizing construction convenience and structural performance.

[0023] Preferably, the tightening part is a turnbuckle 4, which is located at the end of the connecting cable 7 near the precast slab 1. The turnbuckle 4 being located at the end of the connecting cable 7 near the precast slab 1 allows the tensioning and tightening operation to be conveniently performed on the top surface of the precast slab 1, ensuring the safety of construction personnel and greatly improving the efficiency and controllability of the tightening operation.

[0024] Preferably, the fastener is a pre-embedded bolt 3. As a fastener, the pre-embedded bolt 3 makes full use of its high tensile strength and reliable anchoring characteristics, providing a solid force base for the connecting cable 7. At the same time, as a standard part, it is easy to purchase and pre-embed, effectively ensuring the reliability and economy of the connection node.

[0025] Preferably, the nominal diameter of the steel strand is between 9.5 mm and 21.5 mm, ensuring sufficient tensile strength and safety margin in the connection structure while also considering the ease of construction and economy in bending and shaping. In this embodiment, the diameter of the steel strand is 15 mm.

[0026] Preferably, the steel strand is provided with an anti-rust layer, which can effectively resist environmental corrosion and ensure that the connecting cable 7 maintains stable mechanical properties and preload during long-term use.

[0027] Preferably, several embedded rods 6 are arranged side by side on the supporting steel bars 5. The embedded rods 6 are perpendicular to the supporting steel bars 5 and are located in the wall body of the double-sided composite wall 2 on the side close to the precast slab 1. The embedded rods 6 significantly enhance the anchoring effect of the supporting steel bars 5 in the concrete, effectively preventing them from loosening or being pulled out under stress, thereby ensuring the long-term stability and reliability of the force transmission path of the L-shaped connecting cable 7.

[0028] Preferably, the end of the connecting cable 7 is provided with a wire rope clamp 8 for connecting with the fixing device. The wire rope clamp 8 provides a standardized and highly reliable mechanical connection between the connecting cable 7 and the fixing device, ensuring that the connection point is firm and does not slip under stress, and greatly simplifying the on-site installation process.

[0029] Preferably, the connection between the connecting cable 7 and the supporting reinforcing bar 5 is secured with steel wire. This simple and reliable wire binding process firmly fixes the connecting cable 7 and the supporting reinforcing bar 5, effectively preventing relative displacement and frictional wear caused by vibration or stress, and ensuring the stability and durability of the L-shaped force transmission path.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A transverse connection structure for composite wall panels, the connection structure being used to connect a vertically arranged double-sided composite wall (2) and a precast panel (1) horizontally arranged on top of the double-sided composite wall (2), wherein the side of the precast panel (1) overlaps with the top of the double-sided composite wall (2), characterized in that: It includes several connecting cables (7) and several fasteners. The fasteners are respectively fixedly installed on the top surface of the precast slab (1) and inside the double-sided composite wall (2). One end of the connecting cable (7) is fixedly connected to the fastener on the precast slab (1), and the other end of the connecting cable (7) is fixedly connected to the fastener inside the double-sided composite wall (2). The connecting cable (7) is L-shaped, and the turning point of the L-shaped structure is located on the side of the precast slab (1) near the double-sided composite wall (2). The connecting cable (7) is provided with a tightening part.

2. The transverse connection structure of composite wall panels according to claim 1, characterized in that: The top of the double-sided composite wall (2) is horizontally fixed with a supporting steel bar (5), and the turning point of the connecting cable (7) is supported by the supporting steel bar (5).

3. The transverse connection structure of composite wall panels according to claim 2, characterized in that: The connecting cable (7) is a steel strand.

4. The transverse connection structure of composite wall panels according to claim 3, characterized in that: The tightening part is a turnbuckle (4), which is located at one end of the connecting cable (7) near the precast plate (1).

5. The transverse connection structure of composite wall panels according to claim 1, characterized in that: The fastener is a pre-embedded bolt (3).

6. The transverse connection structure of composite wall panels according to claim 3, characterized in that: The nominal diameter of the steel strand is 9.5 mm to 21.5 mm.

7. The transverse connection structure of composite wall panels according to claim 4, characterized in that: The steel strand is provided with a rust-proof layer.

8. The transverse connection structure of composite wall panels according to claim 2, characterized in that: A number of embedded rods (6) are arranged side by side on the supporting steel bars (5). The embedded rods (6) are perpendicular to the supporting steel bars (5) and are arranged in the wall body of the double-sided composite wall (2) on the side close to the precast slab (1).

9. The transverse connection structure of composite wall panels according to claim 1, characterized in that: The end of the connecting cable (7) is provided with a wire rope clamp (8) for connecting with the fixing device.

10. A transverse connection structure for composite wall panels according to claim 2, characterized in that: The connection between the connecting cable (7) and the supporting steel bar (5) is tied with a steel wire.

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