Split type semi-assembly structure of ultra-wide balcony

By using a split semi-assembled structure and threaded blind hole grouting connection, the cost and safety issues in the construction of ultra-wide balconies were solved, and the requirements of reasonable stress distribution and prefabricated construction were met.

CN223647194UActive Publication Date: 2025-12-09ANHUI HONGZHI CONSTR GRP CO LTD
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Patent Information

Application Number
CN202520244135.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-09
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing precast reinforced concrete balcony components present challenges in the construction of ultra-wide balconies, including high manufacturing, transportation, and hoisting costs, significant difficulties, and potential structural safety issues. In particular, they are difficult to achieve reasonable stress distribution in prefabricated buildings.

Method used

The structure adopts a split semi-prefabricated structure for ultra-wide balconies, including cantilevered main beams, edge sealing beams, water-stopping upturned beams, and balcony slabs. It is constructed by combining cast-in-place, overlapping, and prefabrication methods, and connected by a threaded blind hole grouting structure to achieve segmented construction and reasonable stress distribution.

Benefits of technology

It fulfills the construction requirements of ultra-wide balconies, meets the requirements of prefabricated construction policies, reduces transportation and construction costs, and improves structural safety and stress rationality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an ultra-wide balcony split type semi-assembly structure which comprises a pair of overhanging main beams, a horizontally-arranged edge sealing beam is installed between the tail ends of the overhanging main beams, a balcony plate is arranged between the edge sealing beam and the overhanging main beams in a lap joint mode, the portion, located on the upper edge of the edge sealing beam, of the balcony plate is provided with a spliced water stop upturning beam, and the water stop upturning beam is connected with the overhanging main beams. The upper edges of the pair of overhanging main beams are also provided with water stop upturning beams, and the adjacent water stop upturning beams are connected through constructional columns. According to the split type semi-assembly structure, the requirement of the ultra-wide balcony can be met, the assembly type policy pushed by the country can be met, it can be guaranteed that the ultra-wide balcony is reasonable in stress, and transportation and construction are convenient.
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Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to an ultra-wide balcony split semi-assembled structure. Background Technology

[0002] Balconies are an indispensable part of residential functional spaces, serving as a medium and carrier for extending indoor living activities to the outdoors and transitioning between indoor and outdoor spaces. As people's demands for quality of life increase, improved housing is becoming increasingly popular. Against this backdrop, balconies are beginning to pursue wider frontages to meet people's diverse lifestyle needs and provide them with a variety of lifestyle and spatial choices.

[0003] Across the country, various regions have introduced relevant policies, explicitly requiring the comprehensive promotion of prefabricated buildings. Currently, commonly used precast reinforced concrete balconies (Figure 15G368-1) are classified into composite slab balconies, fully precast slab balconies, and fully precast beam balconies according to component type. The maximum width of the aforementioned precast balconies is 4500mm, which cannot meet the needs of ultra-wide balconies. If ultra-wide balconies are precast as a whole, it will not only increase the cost and difficulty of manufacturing, transportation, and hoisting (whole precasting will result in a very large and heavy balcony component; 1. because the component is large, it will reduce the loading capacity of vehicles; 2. because the component is heavy, the project will need to use tower cranes with greater load capacity, which will increase construction costs), but it will also be detrimental to structural safety. Utility Model Content

[0004] To address the aforementioned issues, this utility model provides a split-type semi-assembled structure for ultra-wide balconies. This structure, by providing a split-type semi-assembled structure, can not only meet the needs of ultra-wide balconies and comply with the national prefabricated construction policy, but also ensure reasonable stress distribution on ultra-wide balconies and facilitate transportation and construction.

[0005] To solve the above problems, the technical solution adopted by this utility model is as follows:

[0006] A split-type semi-assembled structure for an ultra-wide balcony includes a pair of cantilever main beams. A horizontally arranged edge sealing beam is installed between the ends of the pair of cantilever main beams. A balcony slab is installed between the edge sealing beam and the pair of cantilever main beams. A spliced ​​water-stop upturned beam is installed on the upper edge of the balcony slab at the edge sealing beam. A water-stop upturned beam is also installed on the upper edge of the pair of cantilever main beams. Adjacent water-stop upturned beams are connected by structural columns.

[0007] Preferably, the pair of cantilevered main beams are cast-in-place beams, the edge sealing beams are composite beams, the balcony slabs are spliced ​​from multiple composite slabs, and the water-stop upturned beams are precast beams.

[0008] Preferably, the end reinforcing bars of the edge sealing beam are anchored into the cantilever main beam on the corresponding side and then cast into a whole by concrete pouring.

[0009] Preferably, the precast reverse edge of the composite beam serves as a support for the composite slab, the composite slab rests on the composite beam, the longitudinal reinforcing bars of the composite slab are anchored into the composite beam, the post-cast portion is cast into a whole by concrete, and adjacent composite slabs are connected by cast-in-place slab strips.

[0010] Preferably, the water-stopping upturned beam, the edge sealing beam, and the cantilevered main beam are all connected by a threaded blind hole grouting structure.

[0011] Preferably, the threaded blind hole grouting structure includes multiple vertical reinforcing bars and multiple threaded grouting sleeves. The multiple vertical reinforcing bars are reserved at intervals on the top of the sealing beam and the cantilever main beam. The multiple reinforcing bars reserved on the sealing beam are all higher than the balcony slab surface. The multiple threaded grouting sleeves are reserved inside the water-stop upturned beam and are used for the corresponding reinforcing bars to be inserted. Grout is injected into the threaded grouting sleeves to complete the connection.

[0012] The beneficial effects of this utility model are as follows:

[0013] The balcony is divided into several individual components: cantilever main beams, edge sealing beams, water-stop upturned beams, and balcony slabs. The cantilever main beams on both sides of the balcony are cast-in-place structures, ensuring more rational stress distribution and structural safety. The edge sealing beams are composite beams, precast in one piece. The water-stop upturned beams are precast beams, segmented and connected by structural columns. The balcony slabs are composite slabs, with the number of post-cast joints determined according to the balcony width. This design not only meets the needs of extra-wide balconies but also complies with national prefabricated construction policies, ensuring rational stress distribution for extra-wide balconies and facilitating transportation and construction. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present utility model;

[0015] Figure 2 This is a schematic diagram of the threaded blind hole grouting structure proposed in this utility model;

[0016] Figure 3 This is a bottom sectional view of the water-stopping upturned beam proposed in this utility model.

[0017] In the diagram: 1. Cantilever main beam, 2. Balcony slab, 3. Edge sealing beam, 4. Water-stop upturned beam, 5. Structural column, 6. Cast-in-place slab strip, 7. Dowel bar, 8. Threaded grouting sleeve. Detailed Implementation

[0018] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0019] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0020] Reference Figure 1-3 A split semi-assembled structure for an ultra-wide balcony includes a pair of cantilever main beams 1. A horizontally arranged edge sealing beam 3 is installed between the ends of the pair of cantilever main beams 1. The end reinforcing steel bars of the edge sealing beam 3 are anchored into the corresponding side of the cantilever main beam 1 and are cast into a whole by concrete pouring. A balcony slab 2 is installed between the edge sealing beam 3 and the pair of cantilever main beams 1. A spliced ​​water-stop upturned beam 4 is installed on the upper edge of the edge sealing beam 3. A water-stop upturned beam 4 is also installed on the upper edge of the pair of cantilever main beams 1. Adjacent water-stop upturned beams 4 are connected by structural columns 5.

[0021] Furthermore, the pair of cantilever main beams 1 are cast-in-place beams, the edge sealing beams 3 are composite beams, and the entire beam is precast. The balcony slab 2 is spliced ​​from multiple composite slabs. The number of post-cast strips (cast-in-place slab strips 6) at the joints is set according to the width of the balcony. The water-stop upturned beam 4 is a precast beam, segmented, and connected by structural columns 5.

[0022] Furthermore, the precast reverse edge of the composite beam serves as the support for the composite slab, which rests on the composite beam. The longitudinal reinforcing bars of the composite slab are anchored into the composite beam, and the post-cast portion is integrally formed by concrete pouring. Adjacent composite slabs are connected by cast-in-place slab strips 6.

[0023] Furthermore, the water-stop upturned beam 4 is connected to the edge sealing beam 3 and the cantilevered main beam 1 through a threaded blind hole grouting structure. The threaded blind hole grouting structure includes multiple vertical reinforcing bars 7 and multiple threaded grouting sleeves 8. The multiple vertical reinforcing bars 7 are reserved at intervals on the top of the edge sealing beam 3 and the cantilevered main beam 1. The multiple reinforcing bars 7 reserved on the edge sealing beam 3 are all higher than the surface of the balcony slab 2. The multiple threaded grouting sleeves 8 are reserved inside the water-stop upturned beam 4 and are used for the corresponding reinforcing bars 7 to be inserted. Grout is injected into the threaded grouting sleeves 8 to complete the connection.

[0024] Construction steps: acceptance of precast components → layout and positioning → aluminum formwork assembly → component hoisting → rebar tying → concealed inspection → concrete pouring → hoisting of the upturned beam → grouting → formwork support for structural columns → pouring of structural columns.

[0025] Scope of application: Applicable to all prefabricated balcony construction, especially suitable for prefabricated construction of ultra-wide balconies with a width greater than 4500mm.

[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A split-type semi-assembled structure for an ultra-wide balcony, comprising a pair of cantilevered main beams (1), characterized in that, A horizontally arranged edge sealing beam (3) is installed between the ends of a pair of cantilever main beams (1). A balcony slab (2) is installed between the edge sealing beam (3) and the pair of cantilever main beams (1). A spliced ​​water-stop upturned beam (4) is installed on the upper edge of the balcony slab (2) located on the edge sealing beam (3). A water-stop upturned beam (4) is also installed on the upper edge of the pair of cantilever main beams (1). Adjacent water-stop upturned beams (4) are connected by structural columns (5).

2. The split-type semi-assembled structure for an ultra-wide balcony according to claim 1, characterized in that, The pair of cantilever main beams (1) are cast-in-place beams, the edge sealing beam (3) is a composite beam, the balcony slab (2) is spliced ​​from multiple composite slabs, and the water-stop upturned beam (4) is a precast beam.

3. The split-type semi-assembled structure for an ultra-wide balcony according to claim 1, characterized in that, The end reinforcing bars of the sealing beam (3) are anchored into the cantilever main beam (1) on the corresponding side and are cast into a whole by concrete pouring.

4. The ultra-wide balcony split-type semi-assembled structure according to claim 2, characterized in that, The precast reverse edge of the composite beam serves as the support for the composite slab. The composite slab rests on the composite beam, and the longitudinal reinforcing bars of the composite slab are anchored into the composite beam. The post-cast part is cast into a whole by concrete. Adjacent composite slabs are connected by cast-in-place slab strips (6).

5. The split-type semi-assembled structure for an ultra-wide balcony according to claim 1, characterized in that, The water-stopping upturned beam (4), the edge sealing beam (3), and the cantilevered main beam (1) are all connected by a threaded blind hole grouting structure.

6. The split-type semi-assembled structure for an ultra-wide balcony according to claim 5, characterized in that, The threaded blind hole grouting structure includes multiple vertical reinforcing bars (7) and multiple threaded grouting sleeves (8). The multiple vertical reinforcing bars (7) are reserved at intervals on the top of the sealing beam (3) and the cantilever main beam (1). The multiple reinforcing bars (7) reserved on the sealing beam (3) are all higher than the surface of the balcony slab (2). The multiple threaded grouting sleeves (8) are reserved inside the water-stop upturn beam (4) and are used for the corresponding reinforcing bars (7) to be inserted. Grout is injected into the threaded grouting sleeves (8) to complete the connection.