CN220014164U

CN220014164U - Superposed roof structure

Info

Publication number: CN220014164U
Application number: CN202321433737.3U
Authority: CN
Inventors: 李锦实
Original assignee: Lu'an Broad Homes Industrial Co ltd
Current assignee: Lu'an Broad Homes Industrial Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-11-14
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses a superposed roof structure which comprises a vertical prefabricated part and a superposed roof board, wherein the superposed roof board comprises a prefabricated layer and a cast-in-situ layer, the end part of the prefabricated layer of the superposed roof board is placed on the upper surface of the vertical prefabricated part, the superposed roof structure further comprises a prefabricated hollow parapet, the prefabricated hollow parapet comprises two prefabricated boards which are parallel to each other and a cavity between the two prefabricated boards, and the two prefabricated boards are connected with each other through a connecting reinforcing steel bar; the cavity is filled with a cast-in-situ concrete layer, and the cast-in-situ concrete layer and the cast-in-situ layer of the laminated roof board are integrally formed. The utility model simplifies the construction process, does not need to use templates, and reduces the labor cost; the parapet wall and the superposed roof board form a cast-in-situ whole in a cast-in-situ mode, so that the waterproof performance of the roof is improved.

Description

Superposed roof structure

Technical Field

The utility model relates to a superposed roof structure, and belongs to the technical field of assembly type buildings.

Background

Parapet is used as a stressed member of a roof non-main body structure, prefabrication of the parapet is realized, and the parapet is an important part in the assembly of all prefabricated members of a building engineering, but most parapet of the existing building is prepared by adopting cast-in-place concrete or masonry structures, the construction time is relatively long, a formwork is required, the construction process is complex, the quality is not easy to control, and the parapet is easy to crack under the influence of temperature, load and rain water flushing.

Patent document 1 (bulletin number: CN 209227758U) discloses a connection structure of prefabricated laminated parapet, wherein a back sill is arranged between the parapet and a laminated floor slab and cast in situ. The parapet connecting structure improves the waterproof effect of the parapet and improves the connecting strength and the safety of the parapet. However, the parapet wall connecting structure is complex in construction process, not only needs to tie steel bars on a construction site, but also needs to set a support template for the cast-in-situ reverse bank, and is long in construction period and high in labor cost.

Disclosure of Invention

In order to improve the waterproof performance of an assembled roof structure, simplify the construction process and reduce the labor cost, the utility model provides a superposed roof structure, and the specific technical scheme is as follows.

The utility model provides a coincide roofing structure, its includes vertical prefabricated component and coincide roof boarding, coincide roof boarding includes prefabricated layer and cast-in-place layer, coincide roof boarding's prefabricated layer's tip rest in vertical prefabricated component's upper surface, its characterized in that:

the prefabricated hollow parapet comprises two prefabricated plates which are parallel to each other and a cavity which is arranged between the two prefabricated plates, and the two prefabricated plates are connected with each other through connecting steel bars; the cavity is filled with a cast-in-situ concrete layer, and the cast-in-situ concrete layer and the cast-in-situ layer of the laminated roof board are integrally formed.

By adopting the technical scheme, the parapet wall is provided with the prefabricated hollow structure, and finally the parapet wall and the superposed roof board are formed into a cast-in-situ whole in a cast-in-situ mode, so that the connection integrity of the parapet wall and the roof board is improved, and the waterproof performance of a roof is greatly improved.

Further, the connecting steel bars are truss steel bars. The truss steel bars improve the structural strength of the whole prefabricated hollow parapet wall on one hand, are beneficial to demoulding, transportation and hoisting of the prefabricated hollow parapet wall, and on the other hand, the cast-in-situ concrete layer poured later is combined with the welding steel bars, so that the connection reliability of the parapet wall and the roof board is further improved.

Further, the edge of the laminated roof board is provided with a roof drainage ditch, the roof drainage ditch is positioned on the inner side of the prefabricated hollow parapet wall, a plurality of rainwater collecting passage openings are arranged in the roof drainage ditch at intervals, and the rainwater collecting passage openings penetrate through the laminated roof board. Rainwater on the roof is collected through the roof drainage ditch and then discharged downwards through the rainwater collecting passage opening. The rainwater collection passage opening may be formed by embedding pipes in the laminated roof panels.

Further, a roof waterproof layer is arranged above the laminated roof board, and the roof waterproof layer has a certain gradient. The roof waterproof layer with the gradient is beneficial to guiding rainwater into the roof drainage ditch.

Further, a parapet waterproof layer is arranged on the inner side surface of the prefabricated hollow parapet. Parapet waterproof layers further improve waterproof performance, and those skilled in the art know that parapet waterproof layers and roofing waterproof layers can be made by using existing technologies, including but not limited to asphalt or waterproof rolls, etc.

Further, the vertical prefabricated component is a prefabricated wall or a prefabricated beam or a superposed beam. The vertical prefabricated component is used for bearing and supporting the superposed roof board and the prefabricated hollow parapet wall.

Compared with the prior art, the prefabricated external wall panel connecting structure simplifies the construction process, does not need to use templates, and reduces the labor cost; the parapet wall and the superposed roof board form a cast-in-situ whole in a cast-in-situ mode, so that the waterproof performance of the roof is improved.

Drawings

FIG. 1 is a schematic vertical cross-section of a laminated roofing structure of the present utility model;

FIG. 2 is a schematic horizontal cross-section of the laminated roofing structure of the present utility model;

fig. 3 is an enlarged schematic view of the region a in fig. 1.

In the figure: the vertical prefabricated component 1, the superposed roof board 2, the prefabricated layer 2.1, the cast-in-situ layer 2.2, the prefabricated hollow parapet wall 3, the prefabricated board 3.1, the cavity 3.2, the connecting steel bar 3.3, the cast-in-situ concrete layer 3.4, the roof drainage ditch 4, the rainwater collection passage port 5, the roof waterproof layer 6 and the parapet waterproof layer 7.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1-3, the laminated roof structure comprises a vertical prefabricated component 1, a laminated roof board 2 and a prefabricated hollow parapet wall 3, wherein the laminated roof board 2 comprises a prefabricated layer 2.1 and a cast-in-situ layer 2.2, and the end part of the prefabricated layer 2.1 of the laminated roof board 2 is placed on the upper surface of the vertical prefabricated component 1;

the prefabricated hollow parapet 3 comprises two prefabricated plates 3.1 which are parallel to each other and a cavity 3.2 which is positioned between the two prefabricated plates 3.1, and the two prefabricated plates 3.1 are connected with each other through a connecting steel bar 3.3; the cavity 3.2 is filled with a cast-in-situ concrete layer 3.4, and the cast-in-situ concrete layer 3.4 and the cast-in-situ layer 2.2 of the laminated roof board 2 are integrally formed.

Preferably, the connecting bars 3.3 are truss bars. On one hand, the truss steel bars promote the structural strength of the whole prefabricated hollow parapet wall 3, are favorable for demolding, transporting and hoisting the prefabricated hollow parapet wall 3, and on the other hand, the cast-in-situ concrete layer 3.4 poured later is combined with the welding steel bars, so that the connection reliability of the parapet wall and the roof board is further improved.

Preferably, the edge part of the laminated roof board 2 is provided with a roof drainage ditch 4, the roof drainage ditch 4 is positioned on the inner side of the prefabricated hollow parapet wall 3, a plurality of rainwater collecting passage openings 5 are arranged in the roof drainage ditch 4 at intervals, and the rainwater collecting passage openings 5 penetrate through the laminated roof board 2. The rainwater on the roof is collected by the roof drainage ditch 4 and then discharged downwards through the rainwater collecting passage opening 5. The rainwater collecting passage port 5 may be formed by embedding pipes in the laminated roof panel 2.

Preferably, a roof waterproof layer 6 is arranged above the laminated roof board 2, and the roof waterproof layer 6 has a certain gradient. The sloping roof flashing 6 facilitates the introduction of rainwater into the roof drain 4.

Preferably, the inner side surface of the prefabricated hollow parapet 3 is provided with a parapet waterproof layer 7. The parapet waterproof layer 7 further improves waterproof performance, and those skilled in the art know that the parapet waterproof layer 7 and the roofing waterproof layer 6 may be made by using the prior art, including but not limited to asphalt or waterproof coiled materials.

Wherein the vertical prefabricated component 1 is a prefabricated wall or a prefabricated beam or a superposed beam. The vertical prefabricated component 1 is used for bearing and supporting the superposed roof plates 2 and the prefabricated hollow parapet walls 3.

By adopting the technical scheme, the parapet wall is provided with the prefabricated hollow structure, and finally the prefabricated hollow parapet wall 3 and the superposed roof board 2 are formed into a cast-in-situ whole in a cast-in-situ mode, so that the connection integrity of the parapet wall and the roof board is improved, and the waterproof performance of a roof is greatly improved.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, and the embodiments of the present utility model and the features of the embodiments may be combined with each other without conflict. The present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the utility model and the scope of the appended claims, which are all within the scope of the utility model.

Claims

1. The utility model provides a coincide roofing structure, its includes vertical prefabricated component (1) and coincide roof boarding (2), coincide roof boarding (2) include prefabricated layer (2.1) and cast-in-place layer (2.2), the tip of prefabricated layer (2.1) of coincide roof boarding (2) place in the upper surface of vertical prefabricated component (1), its characterized in that:

the prefabricated hollow parapet wall is characterized by further comprising a prefabricated hollow parapet wall (3), wherein the prefabricated hollow parapet wall (3) comprises two prefabricated plates (3.1) which are parallel to each other and a cavity (3.2) positioned between the two prefabricated plates (3.1), and the two prefabricated plates (3.1) are connected with each other through connecting steel bars (3.3); the cavity (3.2) is filled with a cast-in-situ concrete layer (3.4), and the cast-in-situ concrete layer (3.4) and the cast-in-situ layer (2.2) of the laminated roof board (2) are integrally formed.

2. A laminated roofing structure as claimed in claim 1, wherein: the connecting steel bars (3.3) are truss steel bars.

3. A laminated roofing structure as claimed in claim 1, wherein: the roof drainage ditch (4) is arranged at the edge of the overlapped roof plate (2), the roof drainage ditch (4) is positioned on the inner side of the prefabricated hollow parapet wall (3), a plurality of rainwater collecting passage ports (5) are formed in the roof drainage ditch (4) at intervals, and the rainwater collecting passage ports (5) penetrate through the overlapped roof plate (2).

4. A laminated roofing structure as claimed in claim 1, wherein: a roof waterproof layer (6) is arranged above the laminated roof board (2), and the roof waterproof layer (6) has a certain gradient.

5. A laminated roofing structure as claimed in claim 1, wherein: the inner side surface of the prefabricated hollow parapet (3) is provided with a parapet waterproof layer (7).

6. A laminated roofing structure as claimed in claim 1, wherein: the vertical prefabricated component (1) is a prefabricated wall, a prefabricated beam or a superposed beam.