CN115559473A - Roof deformation joint structure and construction method thereof - Google Patents

Roof deformation joint structure and construction method thereof Download PDF

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Publication number
CN115559473A
CN115559473A CN202211391794.XA CN202211391794A CN115559473A CN 115559473 A CN115559473 A CN 115559473A CN 202211391794 A CN202211391794 A CN 202211391794A CN 115559473 A CN115559473 A CN 115559473A
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CN
China
Prior art keywords
wall
old building
joint structure
water guide
cover plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211391794.XA
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Chinese (zh)
Inventor
解超
邹于捷
张希
刘绪良
胡敏
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China Construction Eighth Engineering Division Decoration Engineering Co Ltd
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China Construction Eighth Engineering Division Decoration Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Construction Eighth Engineering Division Decoration Engineering Co Ltd filed Critical China Construction Eighth Engineering Division Decoration Engineering Co Ltd
Priority to CN202211391794.XA priority Critical patent/CN115559473A/en
Publication of CN115559473A publication Critical patent/CN115559473A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
    • E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6801—Fillings therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6806—Waterstops
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6812—Compressable seals of solid form
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
    • E04D13/1407—Junctions of roof sheathings to chimneys or other parts extending above the roof for flat roofs
    • E04D13/1415—Junctions to walls extending above the perimeter of the roof
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1687—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure the insulating material having provisions for roof drainage
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B2001/6818—Joints with swellable parts

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses a roof deformation joint structure and a construction method thereof.A dripping upper fillet in the roof deformation joint structure guides rainwater which flows down on the wall surface of an old building outer wall to flow and fall on a dripping lower fillet on the outer side of an upper flange plate, and the rainwater directly falls on a water guide cover plate through the switching of the dripping lower fillet and then is guided to a new building roof through the water guide cover plate, so that the rainwater is prevented from pouring into an expansion joint, and the waterproof effect is realized through water guide and drainage. On the other hand, the roof deformation joint structure meets the deformation function of the deformation joint through the sliding connection of the water guide cover plate and the base, so that a long-term and stable effective waterproof connecting structure is formed between new and old buildings. The invention solves the problem of poor waterproofness of the deformation joint structure between the existing new and old buildings.

Description

Roof deformation joint structure and construction method thereof
Technical Field
The invention relates to the technical field of building construction, in particular to a roof deformation joint structure and a construction method thereof.
Background
In the process of improving and transforming the functions of the old building, the problem of connection between the new building and the old building can occur. The new and old buildings need to be connected with each other and relatively independent. The joint between them is generally accomplished by a deformation joint.
As a key pivot for connecting new and old buildings, deformation joints need to meet various requirements of water resistance, fire resistance, heat preservation, deformation adaptation and the like, and the construction quality of the deformation joints plays a key role in improving and transforming the building functions. The existing deformation joint structure between the new building and the old building has poor waterproofness.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
In order to overcome the defects in the prior art, a roof deformation joint structure and a construction method thereof are provided so as to solve the problem that the deformation joint structure between the existing new building and the old building is poor in waterproofness.
In order to realize above-mentioned purpose, provide a roofing movement joint structure, form the movement joint between the parapet of old building outer wall and new building roofing, roofing movement joint structure includes:
the waterproof coiled material is laid on the newly-built roof, turned upwards along the parapet and extended and laid on the parapet, the side part of the waterproof coiled material is folded to form a wavy telescopic section, and the outer side of the telescopic section is obliquely upwards arranged and installed on the outer wall of the old building;
the cantilever supporting plate is used for supporting the telescopic section and is arranged on the outer wall of the old building;
the upper side of the water guide cover plate is turned upwards to form an upper flange which is seamlessly installed on the outer wall of the old building, a water dripping lower fillet is formed on the outer side of the upper flange, a base is installed on the upper portion of the parapet, the lower side of the water guide cover plate is slidably arranged on the inner side, far away from the outer wall of the old building, of the base, and a water stopping adhesive tape is arranged between the outer side, close to the outer wall of the old building, of the base and the water guide cover plate in a cushioning mode;
then pouring water dripping upper fillets on the outer wall of the old building, and arranging the water dripping upper fillets right above one side, close to the outer wall of the old building, of the water dripping upper fillets;
and the heat-insulation elastic joint filling plate is embedded in the deformation joint.
Further, the layer board slope setting of encorbelmenting, the upside of encorbelmenting the layer board install in old building outer wall, the downside of encorbelmenting the layer board extend to the outside of parapet.
Furthermore, the cantilever supporting plate is arranged along the length of the expansion joint.
Furthermore, the layer board of encorbelmenting includes the two arm sections that fold that the slope set up, the upper end of folding the arm section links together, it is formed with the wall edge of a wing to fold the arm section, two the wall edge of a wing that attaches of folding the arm section links together.
Furthermore, waterproof sealing factice is poured between the upper flange and the outer wall of the old building.
Furthermore, the outside pad of flexible section is located between the top flange and the old building outer wall.
Furthermore, the inboard of base is seted up and is followed the spout that the width direction of movement joint set up, the downside of water guide apron is connected with the slide bar, the slide bar cunning is located in the spout.
Furthermore, fire retardant belts are respectively paved on the upper part and the lower part of the heat insulation elastic joint filling plate.
The invention provides a construction method of a roof deformation joint structure, which comprises the following steps:
embedding the heat-insulating elastic joint filling plate between the outer wall of the old building and the parapet wall of the new building roof to form a deformation joint;
mounting an overhanging supporting plate on the outer wall of the old building, so that the overhanging supporting plate is arranged at an upper port of the deformation joint;
turning over the waterproof coiled material laid on the newly-built roof upwards along the parapet wall and extending and laying the waterproof coiled material on the parapet wall;
folding the side part of the waterproof coiled material to form a wavy telescopic section and placing the corrugated telescopic section on the cantilever supporting plate;
the outer side of the telescopic section is obliquely arranged upwards and is installed on the outer wall of the old building;
a base is arranged at the upper part of the parapet wall;
the upper flange of the water guide cover plate is installed on the outer wall of the old building in a seamless mode, the lower side of the water guide cover plate is arranged on the inner side, far away from the outer wall of the old building, of the base in a sliding mode, and a water stop adhesive tape is arranged between the outer side, close to the outer wall of the old building, of the base and the water guide cover plate in a padded mode;
and pouring behind the outer wall of the old building to form a water dripping upper fillet, so that the water dripping upper fillet is arranged right above one side, close to the outer wall of the old building, of the water dripping lower fillet.
The roof deformation joint structure has the beneficial effects that the upper water dripping fillet guides rainwater flowing down on the wall surface of the outer wall of an old building to fall on the lower water dripping fillet on the outer side of the upper flange plate, the rainwater directly falls on the water guiding cover plate through the switching of the lower water dripping fillet and then is guided to the roof of a new building through the water guiding cover plate, so that the rainwater is prevented from being poured into the expansion joint, and the waterproof effect is realized through water guiding and drainage. On the other hand, the roof deformation joint structure meets the deformation function of the deformation joint through the sliding connection of the water guide cover plate and the base, so that a long-term and stable effective waterproof connecting structure is formed between new and old buildings.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic structural diagram of a roof deformation joint structure according to an embodiment of the invention.
Fig. 2 is a partially enlarged schematic view of a roof deformation joint structure according to an embodiment of the invention.
Fig. 3 is a schematic view illustrating an installation state of the telescopic section according to the embodiment of the present invention.
Fig. 4 is a schematic structural view of a cantilever support plate according to an embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, in the present embodiment, the deformation joint is provided between the outer wall 6 of the old building and the parapet wall 8 of the new building roof. The new building roof 7 is paved with the waterproof coiled material 1.
Referring to fig. 1 to 4, the invention provides a roof deformation joint structure, which comprises a waterproof roll 1, an overhanging supporting plate 2, a water guide cover plate 3, a water dropping upper ridge 4 and a heat insulation elastic joint filling plate 5.
The waterproof roll material 1 laid on the upper part of the newly-built roof 7 is turned upwards along the root of the parapet wall 8 and is laid on the top of the parapet wall 8 in an extending way. The side of the waterproof coiled material 1 is folded to form a wave-shaped telescopic section 11. The outside of flexible section 11 sets up and installs in old building outer wall 6 in the slant. The outer edge of the waterproof roll forms a wavy telescopic section through multiple folding, so that the telescopic section has the elastic characteristic of adjustable length.
The cantilever supporting plate 2 is arranged on the outer wall 6 of the old building. The cantilever supporting plate 2 is used for supporting the telescopic section 11. After the telescopic section is installed, the cantilever supporting plate is supported on the telescopic section.
The upper side of the water guiding cover plate 3 is upturned to form an upper flange 31. The upper flange 31 is seamlessly installed to the outer wall 6 of the old building. The outer side of the upper flange 31 is formed with a drip lower fillet 32. A pedestal 81 is installed at the upper portion of the parapet wall 8. The base 81 has an inner side far from the exterior wall 6 of the old building and an outer side near the exterior wall 6 of the old building.
The water guide cover plate 3 is obliquely arranged. The lower side of the water guide cover plate 3 is slidably disposed inside the base 81. A water stop rubber strip 82 is padded between the outer side of the base 81 and the water guide cover plate 3. The water guide cover plate 3 is used for shielding the telescopic section 11.
And pouring the water-dropping fillets 4 on the outer wall 6 of the old building. The water dripping fillet 4 is arranged right above one side of the water dripping fillet 32 close to the outer wall 6 of the old building.
The heat insulation elastic joint filling plate 5 is embedded in the deformation joint.
According to the roof deformation joint structure, the upper water dripping battens guide rainwater flowing down on the wall surface of the outer wall of an old building to fall on the lower water dripping battens on the outer side of the upper flange plate, the rainwater directly falls on the water guide cover plate through the switching of the lower water dripping battens and then is guided to a new building roof through the water guide cover plate, so that the rainwater is prevented from being poured into the expansion joints, and the waterproof effect is achieved through water guide and drainage. On the other hand, the roof deformation joint structure meets the deformation function of the deformation joint through the sliding connection of the water guide cover plate and the base, so that a long-term and stable effective waterproof connecting structure is formed between new and old buildings.
In a preferred embodiment, fire retardant tapes 51 are laid on the upper and lower portions of the insulating elastic joint-filling board 5. The insulating elastic joint-filling plate 5 is a foam glass plate (A grade). The fire retardant belt 51 is an aluminum silicate fiber felt fire retardant belt.
Firstly, the aluminum silicate refractory fiber felt fire-retardant belt on the inner side of the deformation joint is firmly installed by using an expansion anchor bolt and a dovetail screw. The fire retardant belt is made of stainless steel plates on two sides, and the expansion amount of the fire retardant belt meets the design requirement. After the class A foam glass plate is filled in the gaps of the deformation joints between the new building and the old building. And finally, finishing the installation of the aluminum silicate refractory fiber felt fire-retardant belt outside the deformation joint.
After the heat-insulating elastic joint filling plate and the fire retardant belt are installed, the overhanging supporting plate is installed. In the present embodiment, the cantilever pallet 2 is disposed obliquely. Specifically, the upside of layer board 2 of encorbelmenting is installed in old building outer wall 6, and the downside of layer board 2 of encorbelmenting extends to the outside of parapet 8.
The cantilever support plate 2 is arranged along the length of the expansion joint.
Referring to fig. 3 and 4, the cantilever pallet 2 includes two folding arm sections 21 arranged obliquely. The upper ends of the arm segments 21 are connected together. The folded arm section 21 is formed with a wall attachment flange 22. The wall-attached flanges 22 of the two folding arm sections 21 are connected together.
In this embodiment, the wall-attached flange is mounted to the outer side surface of the outer wall of the old building by a fastener.
After the flexible section of waterproofing membrane is folded and is formed the wave, through the installation base on the parapet wall. And pressing the upper flange of the waterproof cover plate against the outer side surface of the outer wall of the old building, and arranging the outer edge pad on the outer side of the telescopic section between the upper flange and the outer side surface of the outer wall of the old building. The upper flange is installed on the outer side surface of the outer wall of the old building through the fastening piece.
In a preferred embodiment, the inner side of the base 81 is provided with a sliding groove along the width direction of the deformation slit. The lower side of the water guide cover plate 3 is connected with a slide bar 33. The sliding rod 33 is slidably disposed in the sliding slot.
In this embodiment, the lower side of the water guide cover plate extends downwards to form a water dripping flange, and rainwater drips on the newly-built roof along the water guide cover plate and the water dripping flange.
In a preferred embodiment, a waterproof sealing paste 311 is poured between the upper portion of the upper flange 31 and the outer wall 6 of the old building. Specifically, in this embodiment, the upper flange plate is bent multiple times to form the drip lower fillet.
The water dripping upper fillet on the outer wall of the old building can be built firstly, and the water guide cover plate is installed afterwards, so that the water guide cover plate is arranged below the water dripping upper fillet.
In some embodiments, the waterproof roll material of the telescopic section and the waterproof roll material of the newly-built roof are separated, lap joint construction needs to be carried out on the waterproof roll material of the telescopic section and the waterproof roll material of the newly-built roof, and the waterproof roll material of the telescopic section and the waterproof roll material of the newly-built roof are firmly fixed on the parapet of the newly-built roof by using the base of the deformation joint water guide cover plate. One side of the telescopic section is fixed on the outer wall surface of the old building together through a fixed piece (an expansion anchor bolt) under the pressing of an upper flange. After the water stopping adhesive tape is installed on the base of the water guide cover plate, the water guide cover plate is connected with the water guide cover plate through the sliding rod. The connection between the base and the water guide cover plate ensures the fixation stability of the water guide cover plate and the relative displacement capability of the base and the water guide cover plate, and the function of the sliding rod is fully exerted.
The upper flange of the water guide cover plate and the interface of the outer wall surface of the old building are sealed by waterproof sealing paste. The water guide cover plate is processed and formed into a water dripping line (a lower water dripping fillet) above a confining piece (an expansion anchor bolt) by utilizing the processing property of the water guide cover plate, and can also play a role in strengthening the waterproof function of the expansion anchor bolt. The water guide cover plate is provided with a one-way slope, and water is discharged to the newly-built roof from the slope. The slide bar connection is screwed and fixed through a stainless steel bolt and a rubber gasket.
The cantilever supporting plate is fixed below the telescopic section by utilizing the shooting nail and cannot penetrate through the waterproof coiled material. The overhanging supporting plate is provided with a bidirectional slope (as shown in figure 4), and plays a role in slope finding and water drainage for the telescopic section of the waterproof roll. The seepage water is quickly drained to the vertical expansion joint of the new building and the old building through the slope and finally drained to the underground, and the waterproof strengthening effect of 'preventing and draining' combination is realized.
When the side face of the outer wall of the old building is constructed, the outer wall of the old building near the roof expansion joint is repaired, the repair mortar is subjected to water dripping line treatment, and the water guide cover plate and the interface of the outer wall face of the original building are subjected to water proofing strengthening.
To the structure setting of the lower port at expansion joint, combine indoor furred ceiling material to adopt the aluminum alloy panel to cover, the aluminum alloy panel is firmly installed through penetrating the nail with former building outer wall face. The other side of the aluminum alloy panel is reliably connected with the ceiling keel of the roof through the sliding rod, so that the aluminum alloy panel is stable in connection and meets the deformation function.
The invention provides a construction method of a roof deformation joint structure, which comprises the following steps:
s1: the heat insulation elastic joint filling plate 5 is embedded between the outer wall 6 of the old building and the parapet wall 8 of the new building roof to form a deformation joint.
S2: the cantilever supporting plate 2 is arranged on the outer wall 6 of the old building, so that the cantilever supporting plate 2 is arranged at the upper port of the deformation joint.
S3: the waterproof roll material 1 laid on the newly-built roof 7 is turned upwards along the parapet wall 8 and is laid on the parapet wall 8 in an extending mode.
S4: the side part of the waterproof coiled material 1 is folded to form a wave-shaped telescopic section 11 and is placed on the cantilever supporting plate 2.
S5: the outer side of the telescopic section 11 is obliquely arranged upwards and is installed on the outer wall 6 of the old building.
S6: a base 81 is mounted on the upper portion of the parapet wall 8.
S7: install the upper limb 31 of water guide apron 3 in old building outer wall 6 seamlessly to locate the inboard of keeping away from old building outer wall 6 of base 81 with the downside cunning of water guide apron 3, fill up between the outside of being close to old building outer wall 6 of base 81 and water guide apron 3 and be equipped with stagnant water adhesive tape 82.
S8: and pouring to form the water dropping fillets 4 after the outer wall 6 of the old building, so that the water dropping fillets 4 are arranged right above one side, close to the outer wall 6 of the old building, of the water dropping fillets 32.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements in which any combination of the above features or their equivalents is incorporated without departing from the spirit of the invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (9)

1. The utility model provides a roofing movement joint structure, its characterized in that forms the movement joint between the parapet of old building outer wall and new building roofing, and roofing movement joint structure includes:
the waterproof coiled material is laid on the newly-built roof, turned upwards along the parapet and extended and laid on the parapet, the side part of the waterproof coiled material is folded to form a wavy telescopic section, and the outer side of the telescopic section is obliquely upwards arranged and installed on the outer wall of the old building;
the cantilever supporting plate is used for supporting the telescopic section and is arranged on the outer wall of the old building;
the upper side of the water guide cover plate is turned upwards to form an upper flange which is seamlessly installed on the outer wall of the old building, a water dripping lower fillet is formed on the outer side of the upper flange, a base is installed on the upper portion of the parapet, the lower side of the water guide cover plate is slidably arranged on the inner side, far away from the outer wall of the old building, of the base, and a water stopping adhesive tape is arranged between the outer side, close to the outer wall of the old building, of the base and the water guide cover plate in a cushioning mode;
the water dripping upper fillets are poured on the outer wall of the old building and are arranged right above one side, close to the outer wall of the old building, of the water dripping upper fillets;
and the heat-insulating elastic joint filling plate is embedded in the deformation joint.
2. The roofing movement joint structure of claim 1, wherein the cantilever support plate is obliquely arranged, the upper side of the cantilever support plate is installed on the outer wall of the old building, and the lower side of the cantilever support plate extends to the outer side of the parapet wall.
3. A roofing movement joint structure as claimed in claim 2, wherein the overhanging brackets are provided along the length of the expansion joint.
4. The roofing movement joint structure of claim 3, wherein the overhanging support plate comprises two folding arm sections which are obliquely arranged, the upper ends of the folding arm sections are connected together, the folding arm sections are formed with wall attaching flanges, and the wall attaching flanges of the two folding arm sections are connected together.
5. The roofing movement joint structure of claim 1 wherein a waterproof sealing paste is poured between the upper flange and the outer wall of the old building.
6. A roof deformation joint structure according to claim 1, characterized in that the outside pad of the telescopic section is arranged between the upper flange and the outer wall of the old building.
7. The roof deformation joint structure according to claim 1, wherein a sliding groove is formed in the inner side of the base and arranged in the width direction of the deformation joint, a sliding rod is connected to the lower side of the water guide cover plate, and the sliding rod is slidably arranged in the sliding groove.
8. A roof deformation joint structure according to claim 1, wherein fire retardant belts are laid on the upper part and the lower part of the heat-insulating elastic joint filling plate respectively.
9. A construction method of a roof deformation joint structure according to any one of claims 1 to 8, characterized by comprising the following steps:
embedding the heat-insulating elastic joint filling plate between the outer wall of the old building and the parapet of the new building roof to form a deformation joint;
installing an overhanging supporting plate on the outer wall of the old building, so that the overhanging supporting plate is arranged at an upper port of the deformation joint;
turning over the waterproof coiled material laid on the newly-built roof upwards along the parapet wall and extending and laying the waterproof coiled material on the parapet wall;
folding the side part of the waterproof coiled material to form a wavy telescopic section and placing the corrugated telescopic section on the cantilever supporting plate;
the outer side of the telescopic section is obliquely arranged upwards and is installed on the outer wall of the old building;
a base is arranged at the upper part of the parapet wall;
the upper flange of the water guide cover plate is installed on the outer wall of the old building in a seamless mode, the lower side of the water guide cover plate is arranged on the inner side, far away from the outer wall of the old building, of the base in a sliding mode, and a water stop adhesive tape is arranged between the outer side, close to the outer wall of the old building, of the base and the water guide cover plate in a padded mode;
and pouring to form a dripping upper fillet after the outer wall of the old building, so that the dripping upper fillet is arranged right above one side, close to the outer wall of the old building, of the dripping lower fillet.
CN202211391794.XA 2022-11-08 2022-11-08 Roof deformation joint structure and construction method thereof Pending CN115559473A (en)

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Application Number Priority Date Filing Date Title
CN202211391794.XA CN115559473A (en) 2022-11-08 2022-11-08 Roof deformation joint structure and construction method thereof

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Application Number Priority Date Filing Date Title
CN202211391794.XA CN115559473A (en) 2022-11-08 2022-11-08 Roof deformation joint structure and construction method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117365127A (en) * 2023-12-08 2024-01-09 中国二十二冶集团有限公司 Construction method for roof deformation joint cover plate structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117365127A (en) * 2023-12-08 2024-01-09 中国二十二冶集团有限公司 Construction method for roof deformation joint cover plate structure
CN117365127B (en) * 2023-12-08 2024-02-09 中国二十二冶集团有限公司 Construction method for roof deformation joint cover plate structure

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