CN217128776U

CN217128776U - Inboard roofing gutter structure of parapet

Info

Publication number: CN217128776U
Application number: CN202220035305.6U
Authority: CN
Inventors: 刘令良; 陈立新; 雷志鹏; 陈贻亮; 姚强
Original assignee: Hunan No4 Engineering Corp Co ltd
Current assignee: Hunan No4 Engineering Corp Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-08-05
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses a roof gutter structure at the inner side of a parapet wall, wherein the gutter is arranged between the parapet wall and a roof, the gutter comprises a gutter bottom plane, a water seepage prevention weather-proof structure close to the parapet wall side and a roof side anti-cracking layer, and the anti-cracking layer is arranged between the gutter bottom plane and the roof; seepage prevention weather resistant construction includes the concrete foundation layer, and the concrete foundation layer setting is equipped with anti crack mortar layer in gutter bottom plane to the inboard slope of parapet by gutter bottom plane in the inboard handing-over department of gutter bottom plane and parapet, on the concrete foundation layer. By arranging the anti-seepage weather-resistant structure, water on the parapet flows into the gutter along the anti-seepage weather-resistant structure, so that the leakage at the joint of the gutter and the parapet is avoided; the anti-cracking mortar layer is arranged, so that the anti-cracking performance can be improved, and a decorative layer is not required to be additionally arranged on the surface of the anti-cracking mortar layer, so that the construction progress can be accelerated, and the engineering cost is reduced; through setting up the anti-cracking layer, can effectively prevent gutter lateral wall fracture for gutter structure whole waterproof performance is good, mould proof anti-cracking, durable.

Description

Inboard roofing gutter structure of parapet

Technical Field

The utility model relates to an inboard roofing gutter structure of parapet belongs to building engineering construction technical field.

Background

In the traditional technology, the roof gutter generally adopts common cement mortar as a protective layer or adopts cement mortar to glue square bricks after leveling or coat finishing materials such as exterior wall paint on the surface, the durability is poor, common engineering quality problems such as cracking, hollowing, damage and falling are easy to occur, the flexible waterproof layer cannot be effectively protected, the seepage at the joint of the gutter and parapet wall flashing and the roof is caused, and the problems of standard exceeding of the straightness of the flashing water opening of the vertical surface of the gutter, inconsistent flashing height, poor molding impression quality and the like are easy to occur.

The Chinese utility model patent publication No. CN207597740U discloses a waterproof structure of a gutter in a parapet of a flat roof, which has the key points of the technical scheme that the waterproof structure comprises a roof structure layer and a parapet vertically arranged at the edge of the roof structure layer, and the gutter is arranged in the circumferential direction of the roof structure layer; waterproof roll material layers are laid on the roof structure layer and the gutter and extend upwards at the corners of the roof structure layer and the parapet; one side of the parapet wall close to the roof structure layer is inwards recessed to form a through long groove, one end of the waterproof roll material layer far away from the roof structure layer is arranged in the groove, and the waterproof roll material layer is fixed with the side wall of the groove through a waterproof pressure strip nail; the groove is filled with waterproof sealing paste, so that the waterproof effect of the roof structure layer and the parapet wall is improved. However, the utility model discloses a waterproof of gutter has only been solved, the problem of fracture in the gutter has not been solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an inboard roofing gutter structure of parapet. The gutter structure in the structure has the advantages of good integral waterproof performance, mildew resistance, crack resistance, durability, straight lines and attractive appearance.

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

the utility model provides an inboard roofing gutter structure of parapet, the gutter set up in between parapet and the roofing, its structural feature is: the gutter comprises a gutter bottom plane, a parapet-side water seepage-proof weather-proof structure and a roof-side anti-cracking layer, wherein the roof-side anti-cracking layer is arranged between the gutter bottom plane and a roof; seepage prevention weather resistant construction includes the concrete foundation layer, the concrete foundation layer sets up gutter bottom plane and the inboard handing-over department of parapet, by gutter bottom plane to the inboard slope of parapet, be equipped with anti-crack mortar layer on the concrete foundation layer.

By arranging the anti-seepage weather-resistant structure, water on the parapet flows into the gutter along the anti-seepage weather-resistant structure, so that the leakage at the joint of the gutter and the parapet is avoided; the anti-cracking mortar layer can effectively reduce the quality hidden troubles of surface layer hollowing, cracking, corner damage and the like, improve the durability, and the surface of the anti-cracking mortar layer does not need to be additionally provided with a decorative layer, thereby accelerating the construction progress and reducing the engineering cost; through the anti-cracking layer, the vertical surface layer of the roof close to one side of the gutter can be effectively prevented from cracking, so that the whole gutter structure is good in waterproof performance, mildew-proof, anti-cracking and durable.

Specifically, a first U-shaped part is arranged on the outer surface of the anti-cracking mortar layer, which is in contact with the parapet wall, the opening of the first U-shaped part is upward, and two sides of the first U-shaped part are respectively connected with the parapet wall and the anti-cracking mortar layer; the outer surface of the anti-crack mortar layer, which is in contact with the bottom plane of the gutter, is provided with a second U-shaped part, the opening of the second U-shaped part faces the roof, and two sides of the second U-shaped part are respectively connected with the anti-crack mortar layer and the bottom plane of the gutter; first U type spare and second U type spare all follow gutter length direction extends, the U type inslot of first U type spare and second U type spare all is equipped with sealed glue. Can improve the waterproof performance of seam crossing through setting up first U type spare and second U type spare, prevent that the corner is damaged for gutter side edges and corners are clear, and handsome in appearance, lines are in the same direction as straight, can effectively improve engineering construction quality and pleasing to the eye and feel.

Preferably, a plurality of first connecting pieces are arranged between the first U-shaped piece and the second U-shaped piece, two ends of each first connecting piece are respectively connected with the first U-shaped piece and the second U-shaped piece, and the plurality of first connecting pieces are arranged at intervals along the length direction of the gutter and are positioned in the anti-crack mortar layer. Through setting up many first connecting pieces, can make first connecting piece and second connecting piece fix a position fast.

Specifically, a reinforcing layer is arranged on the surface layer of the anti-cracking mortar layer. The reinforcing layer is made of anti-crack steel wire mesh or anti-crack grid cloth, and mainly has the main functions of improving the mechanical strength of the surface layer, ensuring the resistance continuity of the decorative surface layer, dispersing the contraction pressure and the heat preservation stress of the surface layer, avoiding stress concentration and resisting surface layer cracking caused by natural temperature and humidity changes and accidental impact.

Specifically, the anti-cracking layer comprises stone, and the stone forms a side wall of the gutter; the stone material upper end with roofing upper surface parallel and level, the lower extreme set up in between roofing and the gutter bottom plane, with gutter bottom plane passes through the adhesive and links to each other.

Specifically, a gap is formed at the joint of the upper end of the stone and the upper surface of the roof, the gap extends along the length direction of the gutter, and the sealant is arranged in the gap. Through setting up sealed glue, can effectively prevent the seepage of roofing surface course and stone material seam crossing.

Preferably, a plurality of second connecting pieces are arranged on the contact surface of the stone and the roof, one end of each second connecting piece is connected with the stone, the other end of each second connecting piece extends towards the inside of the rigid layer of the roof, and the second connecting pieces are arranged at intervals along the length direction of the gutter. Through setting up the second connecting piece, can improve the connection performance of stone material and roofing for the stone material is more firm with the connection of roofing. The rigid layer of roofing is generally formed by concrete pouring, sets up the second connecting piece in the rigid layer, can effectively improve the connection performance of stone material and roofing.

Specifically, gutter bottom plane includes by lower supreme first screed-coat, waterproofing membrane, the second screed-coat and the heat preservation of setting gradually on the structural layer, the heat preservation top is equipped with anti crack mortar layer, anti crack mortar layer's top layer is equipped with the enhancement layer. The crack resistance of the plane at the bottom of the gutter can be improved by arranging the crack resistance mortar layer and the reinforcing layer.

Preferably, the waterproof coiled material is arranged by upward extension of the joint of the bottom plane of the gutter and the inner side of the parapet, a groove is arranged on the side face of the parapet close to the bottom plane of the gutter, and one waterproof end is fixed in the groove. The waterproof coiled material is arranged on the parapet wall, one end of the waterproof coiled material is fixed in the groove through the cement nails, and the waterproof performance of the parapet wall can be improved through tight embedding and filling of the sealing paste.

Furthermore, be equipped with the waterproofing membrane additional layer on the waterproofing membrane of parapet inboard, the concrete foundation layer set up in on the waterproofing membrane additional layer, the concrete foundation layer is in highly not less than on the waterproofing membrane additional layer waterproofing membrane is in the height that extends on the parapet. Set up concrete foundation layer in parapet wall waterproofing membrane's top, the recess is sheltered from by first U type spare, can effectively protect waterproofing membrane, can further improve parapet's waterproof performance.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the roof gutter structure at the inner side of the parapet of the utility model has the advantages that the water on the parapet flows into the gutter along the anti-seepage weather-resistant structure by arranging the anti-seepage weather-resistant structure, so as to avoid the leakage at the joint of the gutter and the parapet; the anti-cracking mortar layer can effectively reduce the quality hidden troubles of surface layer hollowing, cracking, corner damage and the like, improve the durability, and the surface of the anti-cracking mortar layer does not need to be additionally provided with a decorative layer, thereby accelerating the construction progress and reducing the engineering cost; through the anti-cracking layer, the vertical surface layer of the roof close to one side of the gutter can be effectively prevented from cracking, so that the whole gutter structure is good in waterproof performance, mildew-proof, anti-cracking and durable.

2. Through setting up first U type spare and second U type spare, can improve the waterproof performance of seam crossing, prevent that the corner is damaged, make protective layer and gutter side edges and corners clear, handsome in appearance, the lines is in the same direction as straight, can effectively improve engineering construction quality and pleasing to the eye sense.

3. Set up waterproofing membrane on the parapet, and set up concrete foundation layer in parapet waterproofing membrane's top, can effectively protect waterproofing membrane, can further improve parapet's waterproof performance.

Drawings

FIG. 1 is a schematic view of the sectional structure of a roof gutter on the inside of a parapet wall of the present invention;

FIG. 2 is a schematic view of the connection structure of the first U-shaped member, the second U-shaped member and the first connecting link in FIG. 1;

fig. 3 is a schematic view illustrating a connection structure of the second connection member and the crack prevention layer in fig. 1.

In the figure, 1-gutter; 11-gutter bottom plane; 111-structural layer; 112-a first leveling layer; 113-waterproofing roll; 114-a second screed layer; 115-an insulating layer; 12-water seepage prevention weather-resistant structure; 121-concrete foundation layer; 122-crack resistant mortar layer; 123-a reinforcing layer; 13-an anti-cracking layer; 131-stone material; 2-parapet wall; 21-additional layers of waterproofing rolls; 3, roofing; 31-an insulation board; 32-a rigid layer; 33-cement mortar surface course; 4-a first U-shaped element; 5-a second U-shaped element; 6-sealing glue; 7-a first connector; 8-a gap; 9-a second connector; 10-a groove; 101-adhesive glue.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in figure 1, the roof gutter structure on the inner side of the parapet wall, the gutter 1 is arranged between the parapet wall 2 and the roof 3, and the gutter 1 comprises a gutter bottom plane 11, a parapet wall side water seepage-proof weather-proof structure 12 and a roof side cracking-proof layer 13. The anti-cracking layer 13 is arranged between the gutter bottom plane 11 and the roof 3; seepage prevention weather-resistant construction 12 includes concrete foundation layer 121, concrete foundation layer 121 sets up gutter bottom plane 11 and the inboard handing-over department of parapet 2, by gutter bottom plane 11 to the inboard slope of parapet 2, be equipped with anti-crack mortar layer 122 on the concrete foundation layer 121.

The construction method of the gutter bottom plane 11 structure comprises the following steps: cleaning a reinforced concrete structure layer 111, arranging a 1:2.5 cement mortar first leveling layer 112, paving a flexible waterproof coiled material 113, sequentially arranging a cement mortar second leveling layer 114, an extruded polystyrene board heat-insulating layer 115 and a 30 mm-thick anti-cracking mortar layer 122, finally arranging a reinforcing layer 123 on the surface layer, and smoothing and calendering. The anti-crack mortar layer 122 is made of polymer anti-crack mortar in the prior art and prepared by adding water, and the reinforcing layer 123 is made of an anti-crack steel wire mesh.

The construction method of the waterproof roll material 113 on the parapet wall 2 comprises the following steps: when the reinforced concrete cast-in-place parapet 2 template is installed, one 40mm x 60mm wood purlin is arranged on the inner side of the template at the flashing height, the waterproof roll 113 closing-in groove 10 is reserved, and the phenomenon that the reinforcing steel bars of the parapet 2 are disconnected or exposed due to the rear chisel is avoided. One end of the waterproof coiled material 113 in the gutter bottom plane 11 is pressed into a reserved groove 10 on the parapet wall 2 during construction, the upper opening is tightly embedded and filled with sealing paste after head closing and fixing by nailing cement nails with the intervals of 250mm, and the height of the groove 10 from the lowest point of the leveling layer of the gutter bottom plane 11 is not less than 250 mm.

The construction method of the water seepage preventing and weather resisting structure 12 comprises the following steps: after the waterproof coiled material 113 at the flashing part of the parapet wall 2 is fixed in a head-closing mode and the waterproof coiled material additional layer 21 is constructed, the concrete foundation layer 121 is poured, the C20 fine-stone concrete is used for bottom building, the surface layer is subjected to galling treatment, the anti-crack mortar layer 122 is arranged on the concrete foundation layer 121, and the anti-crack mortar layer 122 is formed by adding water into polymer anti-crack mortar in the prior art. The outer surface of the anti-crack mortar layer 122, which is in contact with the parapet wall 2, is provided with a first U-shaped part 4, the opening of the first U-shaped part 4 is upward, and two sides of the first U-shaped part 4 are respectively connected with the parapet wall 2 and the anti-crack mortar layer 122; the outer surface of the anti-crack mortar layer 122, which is in contact with the gutter bottom plane 11, is provided with a second U-shaped part 5, the opening of the second U-shaped part 5 faces the roof 3, two sides of the second U-shaped part are respectively connected with the anti-crack mortar layer 122 and the gutter bottom plane 11, and the first U-shaped part 4 and the second U-shaped part 5 are connected through a plurality of first connecting pieces 7. Then, the anti-crack mortar layer 122 with the thickness of 30mm is painted on the oblique angle of the side surface in three layers, the surface of the anti-crack mortar layer is provided with the reinforcing layer 123, and the reinforcing layer 123 is made of alkali-resistant glass fiber mesh cloth with the thickness of 4mm multiplied by 4 mm. The surface mortar is applied with wood trowel and compacted, and then is shaped and finished by special mould and the surface is smoothed and pressed. And embedding a sealing glue 6 in the U-shaped grooves of the first U-shaped piece 4 and the second U-shaped piece 5 after the mortar is completely dried, wherein the sealing glue 6 is black silicone weather-resistant glue. The height of the concrete foundation layer 121 on the waterproof coiled material additional layer 21 is not less than the height of the waterproof coiled material 113 extending on the parapet wall 2, and the groove 10 is blocked by the first U-shaped member 4. As shown in fig. 2, two ends of the first connecting member 7 are respectively connected to the first U-shaped member 4 and the second U-shaped member 5 through structural adhesive, the first U-shaped member 4 and the second U-shaped member 5 both have stainless steel slots of 20mm × 20mm, and the first connecting member 7 is made of stainless steel strips. The first U-shaped part 5 and the second U-shaped part 6 both extend along the length direction of the gutter 1, and one first connecting piece 7 is arranged every 1.5m for connection. The first connecting piece 7 is arranged, so that the first U-shaped piece 4 and the second U-shaped piece 5 are quickly positioned. When the first U-shaped part 4 and the second U-shaped part 5 are installed, the first U-shaped part and the second U-shaped part are firm and straight and tightly attached to the wall surface of the parapet 2 and the plane 11 at the bottom of the gutter, and are tightly spliced. The arrangement of the first U-shaped part 4 and the second U-shaped part 5 can ensure that the flashing height is consistent, the width of the upper opening and the lower opening is consistent, the lines are straight, and the corners are prevented from being damaged.

The construction method of the anti-cracking layer 13 comprises the following steps: one side of the gutter 1 close to the roof 3 is edged by a 25mm thick knife-cut stone 131, a 10mm wide chamfer is formed in the upper portion of the stone 131 close to the bottom plane 11 side of the gutter, the bottom brushing adhesive 101 is temporarily fixed on a second leveling layer 114 of the bottom plane 11 of the gutter, a second connecting piece 9 is arranged on the back of the stone 131 along the length direction of the gutter 1 at intervals of 1m, and the adhesive 101 is marble adhesive. As shown in fig. 3, the second connecting member 9 is made of a tie bar, and the tie bar is 165mm long and 10mm in diameter. And (3) forming a hole in the middle of the stone 131 close to the roof 3, wherein the diameter of the hole is 12mm, the depth of the hole is 15mm, the tie bar is inserted into the hole and is bonded by using the bonding adhesive 101, and the bonding adhesive 101 is marble adhesive. The tie bars are exposed for 150mm, and the end parts are provided with bent hooks to be anchored into the fine aggregate concrete rigid layer 32 of the roof 3. A6 mm wide and 10mm deep gap 8 is reserved at the joint of the stone material 131 and the cement mortar surface layer 33 of the roof 3, and the sealant 6 is adopted for caulking after the cement mortar is dried completely, so that the leakage of the joint of the cement mortar surface layer 33 and the stone material 131 is prevented. The reinforced layer 123 is arranged on the surface layer of the cement mortar surface layer 33, and the heat insulation plate 31 is arranged below the rigid layer 32. The reinforcing layer 123 is made of alkali-resistant glass fiber mesh cloth, and the sealant 6 is made of weather-resistant adhesive.

When cement mortar is applied to the gutter 1 for flashing construction, a 10mm wide dividing joint is synchronously arranged along with the large surfaces of the parapet wall 2 and the roof 3, and neutral silicone weather-resistant adhesive with good glossiness and small contractibility is used for sealing treatment.

The above-mentioned embodiments are illustrative and should not be construed as limiting the scope of the invention, which is defined by the appended claims, and all modifications of the equivalent forms of the present invention which are obvious to those skilled in the art after reading the present invention.

Claims

1. The utility model provides an inboard roofing gutter structure of parapet, gutter (1) set up in between parapet (2) and roofing (3), its characterized in that: the gutter (1) comprises a gutter bottom plane (11), a water seepage-proof weather-resistant structure (12) close to the parapet wall (2) side and an anti-cracking layer (13) close to the roof (3) side, wherein the anti-cracking layer (13) is arranged between the gutter bottom plane (11) and the roof (3); prevention of seepage water weathering structure (12) include concrete foundation layer (121), concrete foundation layer (121) set up gutter bottom plane (11) and parapet (2) inboard handing-over department, by gutter bottom plane (11) to parapet (2) inboard slope, be equipped with anti-crack mortar layer (122) on concrete foundation layer (121).

2. A roof gutter structure inside a parapet wall according to claim 1, wherein: the outer surface of the anti-crack mortar layer (122) in contact with the parapet wall (2) is provided with a first U-shaped part (4), the opening of the first U-shaped part (4) is upward, and two sides of the first U-shaped part are respectively connected with the parapet wall (2) and the anti-crack mortar layer (122); a second U-shaped part (5) is arranged on the outer surface of the anti-cracking mortar layer (122) which is in contact with the gutter bottom plane (11), the opening of the second U-shaped part (5) faces the roof (3), and two sides of the second U-shaped part are respectively connected with the anti-cracking mortar layer (122) and the gutter bottom plane (11); first U type spare (4) and second U type spare (5) all follow gutter (1) length direction extends, all be equipped with sealed glue (6) in the U type groove of first U type spare (4) and second U type spare (5).

3. A roof gutter structure inside a parapet wall according to claim 2, wherein: a plurality of first connecting pieces (7) are arranged between the first U-shaped piece (4) and the second U-shaped piece (5), two ends of each first connecting piece (7) are respectively connected with the first U-shaped piece (4) and the second U-shaped piece (5), and the first connecting pieces (7) are arranged at intervals along the length direction of the gutter (1) and are located in the anti-cracking mortar layer (122).

4. A roof gutter structure inside a parapet wall according to any one of claims 1 to 3, wherein: and a reinforcing layer (123) is arranged on the surface layer of the anti-crack mortar layer (122).

5. A roof gutter structure inside a parapet wall according to claim 2, wherein: the anti-cracking layer (13) comprises a stone (131), and the stone (131) forms one side wall of the gutter (1); stone material (131) upper end with roofing (3) upper surface parallel and level, the lower extreme set up in between roofing (3) and gutter bottom plane (11), with gutter bottom plane (11) link to each other through bonding glue (101).

6. A roof gutter structure inside a parapet wall according to claim 5, wherein: stone material (131) upper end with roofing (3) upper surface handing-over department is equipped with gap (8), gap (8) are followed gutter (1) length direction extends, be equipped with in gap (8) sealed glue (6).

7. A roof gutter structure inside a parapet wall according to claim 5, wherein: be equipped with many second connecting pieces (9) on the contact surface of stone material (131) and roofing (3), second connecting piece (9) one end with stone material (131) are connected, and the other end to the inside extension of rigid layer (32) of roofing (3), many second connecting piece (9) are followed gutter (1) length direction interval sets up.

8. A roof gutter structure inside a parapet wall according to claim 4, wherein: gutter bottom plane (11) includes from lower to upper sets gradually first screed-coat (112), waterproofing membrane (113), second screed-coat (114), heat preservation (115) on structural layer (111), be equipped with on heat preservation (115) anti-crack mortar layer (122), the top layer on anti-crack mortar layer (122) is equipped with enhancement layer (123).

9. A roof gutter structure inside a parapet wall according to claim 8, wherein: waterproofing membrane (113) by gutter bottom plane (11) and parapet (2) inboard junction upwards extend the setting, parapet (2) are close to be equipped with recess (10) on the side of gutter bottom plane (11), waterproofing membrane (113)'s one end is fixed in recess (10).

10. A roof gutter structure inside a parapet wall according to claim 9, wherein: be equipped with waterproofing membrane additional layer (21) on waterproofing membrane (113) of parapet (2) inboard, concrete foundation layer (121) set up in on waterproofing membrane additional layer (21), concrete foundation layer (121) are in height on waterproofing membrane additional layer (21) is not less than waterproofing membrane (113) are in the height that extends on parapet (2).