CN217326127U

CN217326127U - Flat roof structure

Info

Publication number: CN217326127U
Application number: CN202220543687.3U
Authority: CN
Inventors: 王金鑫; 张桂旺; 张迷; 陈少阳; 王董凯; 郭松林
Original assignee: China Construction Second Bureau Decoration Engineering Co Ltd
Current assignee: China Construction Second Bureau Decoration Engineering Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-08-30
Anticipated expiration: 2032-03-14

Abstract

A flat roof structure comprises a parapet wall arranged on a wall body, wherein the parapet wall is provided with an antique oblique cornice on the other side, the parapet wall comprises a reinforced concrete parapet wall and a brick-built lattice parapet wall arranged on the reinforced concrete parapet wall, the reinforced concrete parapet wall is provided with a 30-thick B1-grade extruded polystyrene board layer and a waterproof protective layer in sequence from inside to outside near the flat roof side, and the flat roof system comprises a reinforced concrete roof board, a 100-thick B1-grade extruded polystyrene board layer, a waterproof protective layer and a 40-thick C20 fine stone concrete layer which are arranged in sequence. The utility model discloses simple structure has strengthened connection structure's between parapet and the flat roof waterproof performance, extension building material life has extensive spreading value, can produce huge economic benefits after extensively promoting.

Description

Flat roof structure

Technical Field

The utility model relates to a construction field specifically belongs to a flat roof structure.

Background

The existing roof mainly comprises cement pouring, a sandwich plate roof and a tile roof. The tile roofing made of the existing material has the most ideal heat insulation effect, but the tile roofing is made of red bricks, green tiles and other materials which are forbidden by the state, the sintering process consumes a large amount of labor cost, generates a large amount of smoke dust and heat energy loss, and the tile roofing gradually exits the roofing market. Cement poured and sandwich plate roofs are the roofs which are widely applied at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flat roof structure will solve the technical problem that prior art water-proof effects is poor, the steadiness can be poor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a flat roof construction characterized by: the flat roof system comprises a parapet wall arranged on a wall body, wherein an antique oblique cornice is arranged on the other side of the parapet wall, the parapet wall comprises a reinforced concrete parapet wall and a brick lattice parapet wall arranged on the reinforced concrete parapet wall, a B1-grade extruded polystyrene board layer with the thickness of 30mm and a waterproof protective layer are sequentially arranged on the reinforced concrete parapet wall from inside to outside and close to the side of the flat roof, and the flat roof system comprises a reinforced concrete roof board, a B1-grade extruded polystyrene board layer with the thickness of 100 mm, a waterproof protective layer and a C20 fine stone concrete layer with the thickness of 40mm which are sequentially arranged.

Preferably, the waterproof protective layer comprises a first cement mortar leveling layer, a first additional waterproof layer, a first waterproof layer and a first cement mortar protective layer which are sequentially arranged, and building sealant is arranged between a C20 fine stone concrete layer with the thickness of 40mm of the flat roof system and the first cement mortar protective layer of the first cement mortar protective layer and the parapet.

Further preferably, the top surface of the reinforced concrete parapet and two sides of the bricked lattice parapet are provided with a coping structure, two sides of the coping structure extend towards the reinforced concrete parapet 302 to form a T-shaped structure with the reinforced concrete parapet, the coping structure is coated with cement mortar, and the cement mortar on the top surface looks for slopes 5% towards two sides.

Compared with the prior art the utility model has the following characteristics and beneficial effect:

the utility model discloses simple structure has strengthened connection structure's between parapet and the flat roof waterproof performance, extension building material life has extensive spreading value, can produce huge economic benefits after extensively promoting.

Drawings

FIG. 1 is a schematic view of an antique inclined cornice structure of a flat roof system according to the present invention;

fig. 2 is a structural diagram of a flat roof system according to the present invention.

Reference numerals: 100-a wall body; 200-reinforced concrete roof boarding; 300-flat roof systems; 301-parapet wall; 302-reinforced concrete parapet; 303-laying bricks and laying lattice parapet; a 304-30mm thick B1 grade extruded polystyrene ply; 305-a first cement mortar screed layer; 306-a first additional waterproof layer; 307-a first waterproof layer; 308-a first cement mortar protective layer; a C20 fine stone concrete layer with the thickness of 310-40 mm; 327-100 thick B1 grade extruded polystyrene plies; 329-construction sealant; 700-archaizing oblique cornice.

Detailed Description

In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention will be further described below.

The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

A flat roof structure, as shown in fig. 1 and 2, a flat roof system 300 comprises a parapet 301 arranged on a wall body 100, an archaizing oblique cornice 700 is arranged on the other side of the parapet 301, the parapet 301 comprises a reinforced concrete parapet 302 and a brick lattice parapet 303 arranged on the reinforced concrete parapet 302, a B1-grade extruded polystyrene board layer 304 with the thickness of 30mm and a waterproof protective layer are sequentially arranged on the reinforced concrete parapet 302 from inside to outside close to the flat roof side, the flat roof system 300 comprises a reinforced concrete roof board 200, a B1-grade extruded polystyrene board layer with the thickness of 100 mm, a waterproof protective layer and a C20 fine stone concrete layer 310 with the thickness of 40mm which are sequentially arranged, and drain pipes are arranged at the internal corner positions of the flat roof system 300 and the parapet 301 according to requirements to enhance the waterproof performance and the drainage performance.

The waterproof protective layer comprises a first cement mortar leveling layer 305, a first additional waterproof layer 306, a first waterproof layer 307 and a first cement mortar protective layer 308 which are sequentially arranged, and building sealant 329 is arranged between a C20 fine stone concrete layer 310 with the thickness of 40mm of the flat roof system 300 and the first cement mortar protective layer 308 of the parapet 301 and between the first cement mortar protective layer 308 and the first cement mortar protective layer 308.

As a preferred embodiment of the present application, the antique oblique cornice 700 includes a first polymer mortar layer, a first rock wool insulation board, a reinforced concrete roof panel, a second rock wool insulation board, a second cement mortar leveling layer, a second additional waterproof layer, a second waterproof layer, a first cement mortar layer, a first hemp cut mortar layer and a first tile roof layer, which are sequentially arranged from bottom to top, and the end of the reinforced concrete roof panel 200, which extends outward from the antique oblique cornice, is thickened upwards to form a first cornice; glass fiber-resistant gridding cloth is arranged in the first polymer mortar layer, a row of first anchor bars are embedded in the position, close to a first cornice, of the reinforced concrete roof panel, a steel wire mesh is laid on the first cement mortar layer and is bound and fixed with the first anchor bars through galvanized steel wires, the first gunny knife horizontal mortar layer is formed by cement lime mortar with the weight of 1:1:4 and gunny knife horizontal mortar with the weight of 3% of the cement, and the thickness of the first gunny knife horizontal mortar layer is smaller than 20 mm; the top surface of the reinforced concrete parapet is provided with a coping structure, two sides of the coping structure extend towards the reinforced concrete parapet 302 to form a T-shaped structure with the reinforced concrete parapet, the coping structure is coated with cement mortar, the cement mortar at the top surface inclines towards two sides by 5%, a second rock wool heat-insulating board, a second cement mortar leveling layer, a second additional waterproof layer, a second waterproof layer and a cement mortar layer are extended upwards to the wall surface of the reinforced concrete parapet and the bottom surface of the coping structure, the first additional waterproof layer and the first waterproof layer are positioned at the end part of the parapet, the second additional waterproof layer and the second waterproof layer are positioned at the end part of the parapet and the end part of the first eave are all closed through a closing-up structure, the closing-up structure comprises a metal pressing strip fixedly pressed on the waterproof layer and cement nails or shooting nails wedged into the reinforced concrete parapet or the first eave from the metal pressing strip, the bottom surface of the second cement mortar leveling layer and a row of first eave are also arranged at intervals near the first eave, the periphery of the pipe orifice at the upper end of the first water drainage pipe is sealed by sealing paste.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A flat roof construction characterized by: the flat roof system (300) comprises a parapet (301) arranged on a wall body (100), one side of the parapet (301) is provided with an archaizing oblique cornice (700), the parapet (301) comprises a reinforced concrete parapet (302) and a brick lattice parapet (303) arranged on the reinforced concrete parapet (302), the top surface of the reinforced concrete parapet and the two sides of the brick lattice parapet (303) are provided with a coping structure, the two sides of the coping structure extend towards the reinforced concrete parapet (302) to form a T-shaped structure with the reinforced concrete parapet, the coping structure is coated with cement mortar, and the cement mortar on the top surface looks for slopes 5% towards the two sides; the reinforced concrete parapet (302) is close to flat roof side from inside to outside and is equipped with 30mm thick B1 level extruded polystyrene board layer (304) and waterproof layer in order, flat roof system (300) is including the reinforced concrete roof boarding (200), 100 thick B1 level extruded polystyrene board layer (327), waterproof layer and the thin stone concrete layer of C20 (310) of 40mm thick that set up in order.

2. A flat roof construction according to claim 1 wherein: the waterproof protective layer comprises a first cement mortar leveling layer (305), a first additional waterproof layer (306), a first waterproof layer (307) and a first cement mortar protective layer (308) which are sequentially arranged, and building sealant (329) is arranged between a C20 fine stone concrete layer (310) with the thickness of 40mm of the flat roof system (300) and the first cement mortar protective layer (308) of the first cement mortar protective layer (308) and the parapet (301).