CN209837491U

CN209837491U - Parapet antiseep node

Info

Publication number: CN209837491U
Application number: CN201920459661.9U
Authority: CN
Inventors: 嵇晓雷; 尹鹏; 缪云; 孔祥利; 夏光辉
Original assignee: Jiangsu Open University of Jiangsu City Vocational College
Current assignee: Jiangsu Open University of Jiangsu City Vocational College
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2019-12-24
Anticipated expiration: 2029-04-08

Abstract

A parapet leak-proof node, comprising: the roof structure comprises a parapet wall and a roof structure, wherein the parapet wall and the roof structure are intersected to form a vertical internal corner, a fillet is poured at the internal corner, a groove is formed in the inner side wall of the parapet wall, and a waterproof additional layer, a waterproof layer, a cement mortar surface layer, a heat insulation layer, a binding layer, a fine aggregate concrete rigid layer and a decorative layer are sequentially paved on the top surface of the roof structure from bottom to top; the waterproof additional layer horizontally covers part of the roof structure, and the end part of the waterproof additional layer turns upwards from the internal corner and vertically extends to the position, lower than the inner side wall of the groove, of the parapet wall; the waterproof layer horizontally covers the whole roof structure, and the end part of the waterproof layer is turned upwards from the internal corner, vertically extends to the groove and is closed up in the groove; the cement mortar surface layer is fully paved on the roof structure and extends to the waterproof closing-in part of the groove; the heat-insulating layer, the binding layer, the fine aggregate concrete rigid layer and the decorative layer are sequentially paved above the cement mortar surface layer. The utility model discloses easily construction has greatly improved the waterproof nature of roofing.

Description

Parapet antiseep node

Technical Field

The utility model belongs to the waterproof field of building, concretely relates to parapet antiseep node.

Background

The parapet wall is also called a grandson parapet wall, is a short wall around the roof of a building, and is mainly used for preventing a waterproof layer from seeping or roof rainwater from overflowing besides maintenance safety. However, in the current building construction process, due to the construction characteristics of the building itself, water leakage and water leakage phenomena are likely to occur at the top end and corners of the building, which affects the normal use of the building. Existing waterproofing measures are usually simply laid waterproof rolls, however the rolls are easily detached, which affects the waterproofing properties of the roof and increases the maintenance costs at a later stage.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to not enough among the prior art, provide a parapet antiseep node.

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

a parapet antiseep node, its characterized in that includes: the roof structure comprises a parapet wall and a roof structure, wherein the parapet wall and the roof structure are intersected to form a vertical internal corner, a fillet is poured at the internal corner, a groove is formed in the inner side wall of the parapet wall, and a waterproof additional layer, a waterproof layer, a cement mortar surface layer, a heat insulation layer, a binding layer, a fine aggregate concrete rigid layer and a decorative surface layer are sequentially paved on the top surface of the roof structure from bottom to top; the waterproof additional layer horizontally covers part of the roof structure, and the end part of the waterproof additional layer turns upwards from the internal corner and vertically extends to the position, lower than the inner side wall of the groove, of the parapet wall; the waterproof layer horizontally covers the whole roof structure, the end part of the waterproof layer is turned upwards from the internal corner, vertically extends to the groove and is closed up in the groove, and the groove is filled with sealant; the cement mortar surface layer is fully paved on the roof structure and extends to the waterproof closing-in part of the groove; the heat-insulating layer, the binding layer, the fine aggregate concrete rigid layer and the facing layer are sequentially laid above the cement mortar surface layer, wherein expansion joints are reserved among the binding layer, the fine aggregate concrete rigid layer, the facing layer and the parapet wall, and the parapet wall is sealed by adopting sealant.

In order to optimize the technical scheme, the specific measures adopted further comprise:

furthermore, the reinforced concrete of parapet is anti-bank height 300mm, once only pours with roofing structure and forms.

Further, the outer side of the coping of the parapet is higher than the inner side, and the gradient is larger than 6%.

Further, cement mortar is used for plastering a fillet with the radius not less than 100mm at the internal corner.

Further, the groove is 30mm high and 30mm deep.

Further, the horizontal portion and the vertical extension of the additional waterproof layer are each not less than 250 mm.

Furthermore, the cement mortar surface layer is 20mm thick, and a galvanized steel wire mesh is added inside the cement mortar surface layer.

The utility model has the advantages that: the fillet treatment is carried out on the internal corner, and the double-layer waterproof layer covers the internal corner, so that triple protection of layer-by-layer coverage is formed, and the leakage at the internal corner is effectively prevented; the waterproof layer is sealed in the groove, and a cement mortar surface layer is completely covered on the waterproof layer, so that the waterproof property of the whole roof is improved; laying the heat preservation layer, the binding layer, the fine aggregate concrete rigid layer and the finish coat in sequence not only improves the heat preservation performance of the roof, but also further improves the waterproofness. The utility model discloses easily construction, the combination water-proof effects is good, and it is stable to connect between the layer, has reduced the existence in gap, can effectively prevent the seepage.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of the present invention.

The reference numbers are as follows: parapet 1, roofing structure 2, reentrant corner 3, recess 4, waterproof additional layer 5, waterproof layer 6, cement mortar surface course 7, heat preservation 8, anchor coat 9, stone concrete rigid layer 10, finish coat 11, sealed glue 12.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Parapet leakage prevention node as shown in fig. 1, comprising: parapet 1 and roofing structure 2, the two intersect and form perpendicular reentrant corner 3, and 3 positions in reentrant corner pour into the fillet. Recess 4 has been seted up to 1 inside wall of parapet, and the anti bank height 300mm of reinforced concrete of parapet 1 forms with roofing structure 2 once only pours.

The top surface of the roof structure 2 is sequentially paved with a waterproof additional layer 5, a waterproof layer 6, a cement mortar surface layer 7, a heat preservation layer 8, a binding layer 9, a fine aggregate concrete rigid layer 10 and a finish coat 11 from bottom to top.

The additional waterproof layer 5 covers horizontally part of the roofing structure 2, the end of which is turned up from the internal corner 3 and extends vertically to the internal side wall of the parapet wall 1 below the groove 4. The waterproof layer 6 covers the whole roof structure 2 horizontally, the end part of the waterproof layer turns upwards from the internal corner 3, extends to the groove 4 vertically and closes up in the groove 4, and the groove 4 is filled with sealant 12. Because the waterproof layer 6 is close to the upstream face, the coverage area is larger than that of the waterproof additional layer 5. The cement mortar surface layer 7 is fully paved on the roof structure 2 and extends to the waterproof closing part of the groove 4. The heat preservation layer 8, the combined layer 9, the fine aggregate concrete rigid layer 10 and the facing layer 11 are sequentially paved above the cement mortar surface layer 7, wherein expansion joints are reserved between the combined layer 9, the fine aggregate concrete rigid layer 10, the facing layer 11 and the parapet wall 1, and the parapet wall is sealed by adopting a sealant 12.

The parapet antiseep node needs to pay attention to the following matters in the construction process:

1. when the height of the parapet wall is less than or equal to 1200mm, a reinforced concrete structure is required, the wall thickness is not less than 120mm, and the reinforcing bars are determined by design; the parapet wall coping adopts a reinforced concrete structure, the outer side of the coping is higher than the inner side, and the gradient is more than 6%;

2. a 30mm deep and 30mm high groove of the parapet wall is waterproof and closed, and the small groove is filled with sealant to enable the small groove to be fully filled with sealant;

3. cleaning and finishing the surface of the base layer, cleaning dust, sand grains and oil stains adhered to the base layer, and ensuring the quality of the waterproof base layer;

4. constructing a slope-finding leveling layer for the roof of the waterproof layer, plastering cement mortar at the internal corners into round corners with the radius not less than 100mm, and constructing a waterproof additional layer and the waterproof layer after the base layer is dried;

5. a waterproof additional layer is required to be added at the internal corner where the parapet wall and the roof are intersected, the waterproof additional layer is turned upwards from the internal corner, and the vertical extension and the horizontal extension of the waterproof additional layer are not less than 250 mm;

6. daubing cement mortar (with galvanized steel wire mesh added inside) with the thickness of 20mm at the inner side and the outer side of the parapet wall at the ratio of 1:2, and starting from the roof to the waterproof closing;

7. expansion joints with the width of 20mm are reserved among the roof rigid protective layer, the facing layer and the parapet wall and are sealed by sealant.

It should be noted that, in the present invention, the terms "upper", "lower", "left", "right", "front", "back", etc. are used for the sake of clarity only, and are not used to limit the scope of the present invention, and the relative relationship changes or adjustments may be made without substantial technical changes.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.

Claims

1. A parapet antiseep node, its characterized in that includes: the roof structure comprises a parapet wall (1) and a roof structure (2), wherein the parapet wall (1) and the roof structure (2) are intersected to form a vertical internal corner (3), a fillet is poured at the position of the internal corner (3), a groove (4) is formed in the inner side wall of the parapet wall (1), and a waterproof additional layer (5), a waterproof layer (6), a cement mortar surface layer (7), a heat insulation layer (8), a binding layer (9), a fine aggregate concrete rigid layer (10) and a decorative surface layer (11) are sequentially paved on the top surface of the roof structure (2) from bottom to; the waterproof additional layer (5) horizontally covers part of the roof structure (2), and the end part of the waterproof additional layer is turned upwards from the internal corner (3) and vertically extends to the position where the parapet wall (1) is lower than the inner side wall of the groove (4); the waterproof layer (6) covers the whole roof structure (2) horizontally, the end part of the waterproof layer is turned upwards from the internal corner (3), vertically extends to the groove (4) and is closed in the groove (4), and the groove (4) is filled with sealant (12); the cement mortar surface layer (7) is fully paved on the roof structure (2) and extends to the waterproof closing part of the groove (4); the heat preservation layer (8), the combining layer (9), the fine aggregate concrete rigid layer (10) and the decorative surface layer (11) are sequentially paved above the cement mortar surface layer (7), wherein expansion joints are reserved between the combining layer (9), the fine aggregate concrete rigid layer (10), the decorative surface layer (11) and the parapet wall (1), and sealing is achieved through the sealant (12).

2. A parapet leak-proof node as defined in claim 1, wherein: the reinforced concrete of the parapet wall (1) is 300mm high in the reverse ridge and is formed by pouring with the roof structure (2) at one time.

3. A parapet leak-proof node as defined in claim 1, wherein: the outer side of the coping of the parapet wall (1) is higher than the inner side, and the gradient is more than 6%.

4. A parapet leak-proof node as defined in claim 1, wherein: and the internal corners (3) are plastered into round corners with the radius not less than 100mm by cement mortar.

5. A parapet leak-proof node as defined in claim 1, wherein: the height of the groove (4) is 30mm, and the depth of the groove is 30 mm.

6. A parapet leak-proof node as defined in claim 1, wherein: the horizontal part and the vertical extension length of the waterproof additional layer (5) are respectively not less than 250 mm.

7. A parapet leak-proof node as defined in claim 1, wherein: the cement mortar surface layer (7) is 20mm thick, and a galvanized steel wire mesh is added inside.