Prefabricated parapet wall and roof connecting node connecting structure of concrete prefabricated assembly house

Abstract

The utility model relates to a prefabricated parapet wall and roof connecting node connecting structure of a concrete prefabricated assembly house, which comprises a prefabricated parapet wall and a prefabricated roof house, the prefabricated roof house comprises a prefabricated roof and a prefabricated beam, and a cast-in-place belt is arranged at the connecting position between the prefabricated roof and the prefabricated parapet wall and between the prefabricated beam and the prefabricated parapet wall. A plurality of steel bars are embedded in the parapet wall, the prefabricated roof and the prefabricated beam, and a cast-in-place preformed groove is formed in the middle of the top end of the prefabricated beam in the length direction of the beam; the steel bars pre-buried in the parapet wall are first right-angle steel bars, one ends of the first right-angle steel bars are pre-buried in the parapet wall, and the other ends of the first right-angle steel bars are bent into right angles and extend into the prefabricated roof. After concrete is poured, the connecting strength of the prefabricated parapet wall and the prefabricated roof is improved, and potential safety hazards such as cracking and falling are not likely to occur; a cast-in-place reserved groove is reserved in the middle of the top end of the prefabricated beam, and the connecting strength and stability of the prefabricated parapet wall, the prefabricated beam and the prefabricated roof are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled buildings, in particular to a connection structure of a prefabricated parapet and a roof connection node of a prefabricated concrete assembly house. Background Art

[0002] With the development of science and technology, prefabricated buildings play an important role in green buildings. Compared with traditional cast-in-place concrete buildings, prefabricated buildings reduce a large amount of on-site operations, prefabricate various building components in factories, are easy to construct, and have a fast construction speed. They are being promoted and applied.

[0003] Prefabricated parapet is an important building component in prefabricated buildings. The parapet is mainly used for safety maintenance and waterproof brick closure to prevent water seepage from the waterproof layer or rainwater overflow from the roof. In the prior art, the patent application with publication number CN117090356A discloses a connection node between a prefabricated parapet and a steel truss floor deck and a construction method thereof. The device includes a roof panel, a prefabricated parapet, a flashing steel plate and an edge steel plate. The flashing steel plate and the edge steel plate are provided to cover or wrap the joint between the prefabricated parapet and the roof panel. However, the connection strength between the pre-embedded stress-bearing steel bars in the prefabricated parapet of the device and the roof panel is insufficient, and the support stability of the roof panel to the prefabricated parapet is insufficient. Long-term use can easily cause the parapet to crack or even fall off. Utility Model Content

[0004] The purpose of the utility model is to provide a prefabricated parapet and roof connection node connection structure of a prefabricated concrete assembly house with improved connection strength and support stability in view of the above-mentioned problems and shortcomings.

[0005] The technical scheme adopted by the utility model is as follows: a connection structure of a prefabricated parapet and a roof connection node of a concrete prefabricated assembly house, comprising a prefabricated parapet and a prefabricated roof house, the prefabricated roof house comprising a prefabricated roof and a prefabricated beam, a cast-in-place strip is provided at the connection position between the prefabricated roof and the prefabricated beam and the prefabricated parapet, a plurality of steel bars are pre-embedded in the parapet, in the prefabricated roof and in the prefabricated beam, a cast-in-place reserved groove is provided in the middle of the top end of the prefabricated beam along the length direction of the beam; the steel bar pre-embedded in the parapet is a first right-angle steel bar, one end of the first right-angle steel bar is pre-embedded in the parapet, and the other end is bent into a right angle and extends into the prefabricated roof.

[0006] Furthermore, the steel bar embedded in the prefabricated roof is a second right-angle steel bar, one end of which is embedded in the prefabricated roof and the other end of which is bent into a right angle and extends into the prefabricated beam.

[0007] As a solution, the upper opening of the cast-in-place reserved groove is reserved with a width of 1 / 4-1 / 2 to align with the parapet.

[0008] As a solution, the width of the cast-in-place strip is 550-800 mm, and the height of the cast-in-place strip is 50-90 mm.

[0009] As a solution, a plurality of transverse steel bars and longitudinal steel bars are embedded in the prefabricated roof, and one end of the first right-angle steel bar extending into the prefabricated roof is connected to the longitudinal steel bar wire by binding or welding.

[0010] As a solution, the parapet is pre-embedded with a seven-character code sleeve for fixing the upper end of the seven-character code and a diagonal brace sleeve for fixing the upper end of the diagonal brace, and the prefabricated roof is pre-embedded with bolts for fixing the lower end of the seven-character code and a boat code for fixing the lower end of the diagonal brace.

[0011] Beneficial technical effects of the utility model:

[0012] The first right-angle steel bar is embedded in the parapet, with one end of the first right-angle steel bar embedded in the parapet and the other end bent into a right angle and extending into the prefabricated roof. After pouring concrete, the connection strength between the prefabricated parapet and the prefabricated roof is improved, and it is not easy to cause safety hazards such as cracking and falling off. A cast-in-place reserved groove is reserved in the middle of the top of the prefabricated beam to improve the connection strength between the prefabricated parapet and the prefabricated beam and the prefabricated roof, thereby improving the stability, earthquake resistance and support of the building, and the operation is simple and the on-site construction efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model when it is installed;

[0014] Figure 2 yes Figure 1 A partial enlarged view of middle A. DETAILED DESCRIPTION

[0015] The utility model is described in detail below in conjunction with the accompanying drawings.

[0016] Embodiment 1: Figure 1-2 As shown, the prefabricated parapet and roof connection node connection structure of the concrete prefabricated assembly house of the utility model comprises a prefabricated parapet 1 and a prefabricated roof house, the prefabricated roof house comprises a prefabricated roof 21 and a prefabricated beam 22, a cast-in-place strip is provided at the connection position between the prefabricated roof 21 and the prefabricated beam 22 and the prefabricated parapet 1, a plurality of steel bars are pre-embedded in the parapet 1, in the prefabricated roof 21 and in the prefabricated beam 22, and a cast-in-place reserved groove 3 is provided in the middle of the top end of the prefabricated beam 22 along the length direction of the beam; the steel bar pre-embedded in the parapet 1 is a first right-angle steel bar 41, one end of the first right-angle steel bar 41 is pre-embedded in the parapet 1, and the other end is bent into a right angle and extends into the prefabricated roof 21.

[0017] The steel bar embedded in the prefabricated roof 21 is a second right-angle steel bar 42 . One end of the second right-angle steel bar 42 is embedded in the prefabricated roof 21 , and the other end is bent into a right angle and extends into the prefabricated beam 22 .

[0018] In this embodiment, the upper opening of the cast-in-place reserved groove 3 reserves a width of 1 / 4-1 / 2 to align with the parapet 1. For example, a width of 1 / 4 can be reserved to align with the parapet 1.

[0019] In this embodiment, a plurality of transverse steel bars and longitudinal steel bars 23 are embedded in the prefabricated roof 21, and one end of the first right-angle steel bar 41 extending into the prefabricated roof 21 is connected to the longitudinal steel bar 23 by wire binding. Welding connection can also be adopted.

[0020] In this embodiment, the parapet 1 is pre-embedded with a seven-character code sleeve 81 for fixing the upper end of the seven-character code 6 and a diagonal brace sleeve 82 for fixing the upper end of the diagonal brace 5, and the prefabricated roof 21 is pre-embedded with a bolt 7 for fixing the lower end of the seven-character code 6 and a boat code 51 for fixing the lower end of the diagonal brace 5.

[0021] In this embodiment, the width of the cast-in-place belt is 550-800mm, and the height of the cast-in-place belt is 50-90mm. For example, the width of the cast-in-place belt can be 550mm, 600mm, 700mm, 750mm, 800mm, and the height of the cast-in-place belt can be 50mm, 55mm, 60mm, 65mm, 70mm, 80mm, 85mm, 90mm. It depends on the needs of the site.

[0022] In this embodiment, the cast-in-place reserved groove 3 can be made by pre-embedded foam glue or foam bricks. When the cast-in-place belt is cast, ensure that the parapet 1 is fixed in the corresponding position. The width of the cast-in-place belt can be set to 650mm and the height of the cast-in-place belt is 75mm. After the strength of the poured concrete reaches the design requirements, the mold and the diagonal brace 5 and the seven-character code 6 are removed, and the prefabricated parapet 1 is connected to the prefabricated roof to form a whole.

[0023] The above embodiment is only one implementation of the utility model, but does not constitute a limitation. Any simple modification, change, substitution, combination or simplification made without departing from the spirit of the utility model is equivalent to an equivalent replacement method and should be within the protection scope of the utility model.

Claims

1. A prefabricated parapet wall and roof connection node connection structure of a prefabricated concrete assembly house, comprising a prefabricated parapet wall (1) and a prefabricated roof house, wherein the prefabricated roof house comprises a prefabricated roof (21) and a prefabricated beam (22), a cast-in-place strip is provided at the connection position between the prefabricated roof (21) and the prefabricated beam (22) and the prefabricated parapet wall (1), and a plurality of steel bars are pre-buried in the parapet wall (1), the prefabricated roof (21) and the prefabricated beam (22), and the characteristics are: A cast-in-place reserved groove (3) is provided at the middle of the top end of the prefabricated beam (22) along the length direction of the beam; The steel bar embedded in the parapet wall (1) is a first right-angle steel bar (41), one end of which is embedded in the parapet wall (1) and the other end of which is bent into a right angle and extends into the prefabricated roof (21).

2. The prefabricated parapet wall and roof connection node connection structure of the prefabricated concrete assembly house according to claim 1, characterized in that: The steel bar embedded in the prefabricated roof (21) is a second right-angle steel bar (42), one end of which is embedded in the prefabricated roof (21) and the other end of which is bent into a right angle and extends into the prefabricated beam (22).

3. The prefabricated parapet wall and roof connection node connection structure of the prefabricated concrete assembly house according to claim 1, characterized in that: The upper opening of the cast-in-place reserved groove (3) is reserved with a width of 1 / 4 to 1 / 2 aligned with the parapet wall (1).

4. The prefabricated parapet and roof connection node connection structure of the prefabricated concrete assembly house according to claim 1 or 3, characterized in that: The width of the cast-in-place belt is 550-800 mm, and the height of the cast-in-place belt is 50-90 mm.

5. The prefabricated parapet wall and roof connection node connection structure of the prefabricated concrete assembly house according to claim 1, characterized in that: A plurality of transverse steel bars and longitudinal steel bars (23) are pre-buried in the prefabricated roof (21), and one end of the first right-angle steel bar (41) extending into the prefabricated roof (21) is connected to the longitudinal steel bar (23) by wire binding or welding.

6. The prefabricated parapet wall and roof connection node connection structure of the prefabricated concrete assembly house according to claim 1, characterized in that: The parapet wall (1) is pre-buried with a seven-character bracket sleeve (81) for fixing the upper end of the seven-character bracket (6) and a diagonal brace sleeve (82) for fixing the upper end of the diagonal brace (5), and the prefabricated roof (21) is pre-buried with a bolt (7) for fixing the lower end of the seven-character bracket (6) and a boat bracket (51) for fixing the lower end of the diagonal brace (5).

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