CN112411903A - Special-shaped combined expansion joint cover plate for reducing roof cold bridge phenomenon and installation method - Google Patents
Special-shaped combined expansion joint cover plate for reducing roof cold bridge phenomenon and installation method Download PDFInfo
- Publication number
- CN112411903A CN112411903A CN202011252186.1A CN202011252186A CN112411903A CN 112411903 A CN112411903 A CN 112411903A CN 202011252186 A CN202011252186 A CN 202011252186A CN 112411903 A CN112411903 A CN 112411903A
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- CN
- China
- Prior art keywords
- aluminum alloy
- alloy plate
- expansion joint
- blocking tape
- cover plate
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- 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.)
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- 238000009434 installation Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 229920000742 Cotton Polymers 0.000 claims abstract description 18
- 239000011490 mineral wool Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 230000005494 condensation Effects 0.000 claims abstract description 13
- 238000009833 condensation Methods 0.000 claims abstract description 13
- 239000003063 flame retardant Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 239000000565 sealant Substances 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 206010066054 Dysmorphism Diseases 0.000 claims description 2
- 238000004321 preservation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Classifications
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- 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
-
- 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
- E04B1/6803—Joint covers
-
- 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
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/948—Fire-proof sealings or joints
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a special-shaped combined expansion joint cover plate for reducing a roof cold bridge phenomenon, which comprises fire-retardant rock wool, a water-blocking tape, an aluminum alloy plate, an H-shaped steel beam and heat-preservation cotton; the fire retardant rock wool is arranged in an expansion joint of a concrete structure, the top of the fire retardant rock wool is provided with a water blocking tape, and the water blocking tape is arranged along the slope; one side of the top of the parapet wall is an exposed welded H-shaped steel beam, and heat insulation cotton is laid on the upper part of the water blocking tape to prevent condensation; the upper part of the water blocking tape is provided with a lower aluminum alloy plate and an upper aluminum alloy plate, the upper aluminum alloy plate is arranged into a slope shape, two ends of the upper aluminum alloy plate are folded, and heat insulation cotton is filled between the upper aluminum alloy plate and the lower aluminum alloy plate. The invention connects the exposed steel structures at two sides of the expansion joint of the building with the concrete, effectively reduces the cold bridge phenomenon between the cover plate at the joint and the outer leakage steel structure, has simple installation and effectively reduces the condensation phenomenon between the cover plate and the exposed steel structure at the joint.
Description
Technical Field
The invention relates to the field of building envelope structures, in particular to a special-shaped combined expansion joint cover plate for reducing a roof cold bridge phenomenon and an installation method.
Background
With the development of the building industry and the rapid progress of electronic technology, in order to adapt to the problem that the space occupation of the internal process pipelines of some electronic plants is large, most electronic plants adopt a concrete frame structure main body and a steel truss roof structure. Corresponding process pipeline equipment can be effectively distributed by utilizing the internal space of the truss. The mode that adopts concrete and steel construction to combine can effectively solve the space problem, shortens construction cycle. The connection of the concrete structure and the exposed steel structure expansion joint in northern areas is easy to generate cold bridge phenomenon and dew formation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the special-shaped combined expansion joint cover plate for reducing the roof cold bridge phenomenon and the installation method, so that the installation is simple and convenient, and the condensation phenomenon of the connecting position of the cover plate and an exposed steel structure is effectively reduced.
In order to solve the technical problem, the invention is realized as follows:
the utility model provides a dysmorphism combination expansion joint cover for reducing roofing cold bridge phenomenon which characterized in that: the fireproof heat-insulation building block comprises fireproof rock wool, a waterproof belt, an aluminum alloy plate, an H-shaped steel beam and heat-insulation cotton; the fire retardant rock wool is arranged in an expansion joint of a concrete structure, a water blocking tape is arranged at the top of the fire retardant rock wool, and the water blocking tape is arranged along the gradient; one side of the top of the parapet wall is an exposed welded H-shaped steel beam, and heat insulation cotton is laid on the upper part of the water blocking tape to prevent condensation; the upper part of the water blocking tape is provided with a lower aluminum alloy plate and an upper aluminum alloy plate, the upper aluminum alloy plate is arranged into a slope shape, two ends of the upper aluminum alloy plate are folded, and heat insulation cotton is filled between the upper aluminum alloy plate and the lower aluminum alloy plate.
A special-shaped combination expansion joint cover for reducing roofing cold bridge phenomenon, its characterized in that: the hem positions of two ends of the upper aluminum alloy plate are connected with the parapet through self-control nails, sealant is applied to the joint of the bottom of the lower hem and the parapet, and sealant is applied to the joint of the top of the upper hem and the H-shaped steel beam.
The installation method of the special-shaped combined expansion joint cover plate for reducing the roof cold bridge phenomenon is characterized by comprising the following steps of:
the method comprises the following steps: the installation control partition part is used for installing the fire retardant rock wool in an expansion joint reserved in the structure;
step two: installing a condensation effect control part, installing and arranging a water-blocking tape at the top of the parapet wall, arranging the water-blocking tape along the gradient, and laying heat-insulating cotton with a certain thickness above the water-blocking tape;
step three: installing a special-shaped combined type expansion joint cover plate, installing the expansion joint cover plate which is assembled in advance above the laid heat-insulating cotton, fixing a lower opening by adopting an automatic control nail, applying sealant at the position of a lower folded edge, and applying sealant at the connecting position of a top folded edge and an exposed welded H-shaped steel beam.
The invention has the beneficial effects that: the condensation phenomenon at the position of the cover plate of the telescopic seam at the top of the double parapet wall is effectively reduced by adopting two current measures of preventing condensation, namely a bidirectional heat-insulating aluminum alloy plate and a water-blocking tape. And the different combined type expansion joint is flexibly connected with the steel structure at the connecting position, so that the deformation caused by the uneven settlement of the building is effectively solved.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
As shown in fig. 1: a special-shaped combined expansion joint cover plate for reducing the roof cold bridge phenomenon,
firstly, installation control fire prevention subregion of back-fire relief rock wool:
the control partition prevention part: installing the 2-fire-retardant rock wool in a 1-expansion joint reserved in a structure 8 to ensure that the requirements of designing a fire partition and fire blocking are met;
secondly, a condensation effect control part: the 3-water-blocking tape is arranged at the upper part of the 2-fire-retardant rock wool installation, namely the top of the parapet wall, and the 3-water-blocking tape is arranged along the slope, so that the generated condensed water can be drained in a directional drainage mode according to the arranged position, and the condensed water is guaranteed not to directly flow to the right below after being condensed. Because one side of the top of the double parapet wall is a 6-exposed welded H-shaped steel beam, 7-heat insulation cotton with a certain thickness is laid above the 3-water-blocking tape to insulate the bottom of the special-shaped combined expansion joint cover plate and the contact surface of the 6-exposed welded H-shaped steel beam, and the condensation phenomenon of the interface is prevented.
Thirdly, special-shaped combined type expansion joint cover plate: the combined type telescopic sub-cover plate is manufactured according to the actual size of a construction site, 7-heat insulation cotton is filled in the aluminum alloy plates with the thickness of 4-1.5mm on the upper surface and the lower surface of the special-shaped combined type expansion joint cover plate, the aluminum alloy plates with the thickness of 4-1.5mm on the upper portion are arranged in a slope shape, and the two ends of the aluminum alloy plates are folded according to the structural direction. The upper part adopts a slope shape to prevent rainwater from falling off the top part in severe weather, and water can be freely drained according to the slope. 7-heat-preservation cotton is arranged on two sides of the 4-1.5mm aluminum alloy plate at the bottom of the combined cover plate to play a role in heat preservation and condensation prevention.
The middle lower hem of the two-way hem is connected with a parapet 9 by a self-control nail, and 5-sealant is arranged at the joint of the bottom of the lower hem and the parapet to prevent rainwater from entering. And gluing the top of the upper folded edge to prevent rainwater from entering and ensure that the special-shaped combined type expansion joint cover plate and the 5-exposed welded H-shaped steel beam have certain flexible elasticity.
The installation method of the special-shaped combined expansion joint cover plate for reducing the roof cold bridge phenomenon comprises the following steps:
the method comprises the following steps: the installation control partition part is used for installing the fire retardant rock wool in an expansion joint reserved in the structure;
step two: installing a condensation effect control part, installing and arranging a water-blocking tape at the top of the parapet wall, arranging the water-blocking tape along the gradient, and laying heat-insulating cotton with a certain thickness above the water-blocking tape;
step three: installing a special-shaped combined type expansion joint cover plate, installing the expansion joint cover plate which is assembled in advance above the laid heat-insulating cotton, fixing a lower opening by adopting an automatic control nail, applying sealant at the position of a lower folded edge, and applying sealant at the connecting position of a top folded edge and an exposed welded H-shaped steel beam.
Claims (3)
1. The utility model provides a dysmorphism combination expansion joint cover for reducing roofing cold bridge phenomenon which characterized in that: the fireproof heat-insulation building block comprises fireproof rock wool, a waterproof belt, an aluminum alloy plate, an H-shaped steel beam and heat-insulation cotton; the fire retardant rock wool is arranged in an expansion joint of a concrete structure, a water blocking tape is arranged at the top of the fire retardant rock wool, and the water blocking tape is arranged along the gradient; one side of the top of the parapet wall is an exposed welded H-shaped steel beam, and heat insulation cotton is laid on the upper part of the water blocking tape to prevent condensation; the upper part of the water blocking tape is provided with a lower aluminum alloy plate and an upper aluminum alloy plate, the upper aluminum alloy plate is arranged into a slope shape, two ends of the upper aluminum alloy plate are folded, and heat insulation cotton is filled between the upper aluminum alloy plate and the lower aluminum alloy plate.
2. The special-shaped combined expansion joint cover plate for reducing the roof cold bridge phenomenon according to claim 1, is characterized in that: the hem positions of two ends of the upper aluminum alloy plate are connected with the parapet through self-control nails, sealant is applied to the joint of the bottom of the lower hem and the parapet, and sealant is applied to the joint of the top of the upper hem and the H-shaped steel beam.
3. The method for installing a special-shaped combined expansion joint cover plate for reducing the cold bridge phenomenon on the roof as claimed in claim 1, is characterized by comprising the following steps:
the method comprises the following steps: the installation control partition part is used for installing the fire retardant rock wool in an expansion joint reserved in the structure;
step two: installing a condensation effect control part, installing and arranging a water-blocking tape at the top of the parapet wall, arranging the water-blocking tape along the gradient, and laying heat-insulating cotton with a certain thickness above the water-blocking tape;
step three: installing a special-shaped combined type expansion joint cover plate, installing the expansion joint cover plate which is assembled in advance above the laid heat-insulating cotton, fixing a lower opening by adopting an automatic control nail, applying sealant at the position of a lower folded edge, and applying sealant at the connecting position of a top folded edge and an exposed welded H-shaped steel beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011252186.1A CN112411903A (en) | 2020-11-11 | 2020-11-11 | Special-shaped combined expansion joint cover plate for reducing roof cold bridge phenomenon and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011252186.1A CN112411903A (en) | 2020-11-11 | 2020-11-11 | Special-shaped combined expansion joint cover plate for reducing roof cold bridge phenomenon and installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112411903A true CN112411903A (en) | 2021-02-26 |
Family
ID=74781414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011252186.1A Pending CN112411903A (en) | 2020-11-11 | 2020-11-11 | Special-shaped combined expansion joint cover plate for reducing roof cold bridge phenomenon and installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112411903A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653203A (en) * | 2021-08-13 | 2021-11-16 | 上海黎东射线防护工程有限公司 | Filling device for expansion joint of building structure of ray protection engineering |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202157474U (en) * | 2011-06-28 | 2012-03-07 | 天津天一建设集团有限公司 | Roofing parapet wall high-low bay waterproof expansion joint |
| CN202530656U (en) * | 2012-03-31 | 2012-11-14 | 叶香菲 | High and low roof expansion joint structure |
| US20130186021A1 (en) * | 2011-05-25 | 2013-07-25 | Balco, Inc. | Fire resistive joint cover system |
| CN205742567U (en) * | 2016-06-16 | 2016-11-30 | 甘肃迅美节能科技股份有限公司 | A kind of building heat preservation system stops the heat preservation strip structure of expansion joint cold bridge |
| CN106245792A (en) * | 2016-08-26 | 2016-12-21 | 武汉冶建筑安装工程有限责任公司 | A kind of construction method at Alminum Project expansion joint |
| CN206090887U (en) * | 2016-08-26 | 2017-04-12 | 上海闽坚铝业有限公司 | A aluminum alloy upper cover plate for movement joint |
-
2020
- 2020-11-11 CN CN202011252186.1A patent/CN112411903A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130186021A1 (en) * | 2011-05-25 | 2013-07-25 | Balco, Inc. | Fire resistive joint cover system |
| CN202157474U (en) * | 2011-06-28 | 2012-03-07 | 天津天一建设集团有限公司 | Roofing parapet wall high-low bay waterproof expansion joint |
| CN202530656U (en) * | 2012-03-31 | 2012-11-14 | 叶香菲 | High and low roof expansion joint structure |
| CN205742567U (en) * | 2016-06-16 | 2016-11-30 | 甘肃迅美节能科技股份有限公司 | A kind of building heat preservation system stops the heat preservation strip structure of expansion joint cold bridge |
| CN106245792A (en) * | 2016-08-26 | 2016-12-21 | 武汉冶建筑安装工程有限责任公司 | A kind of construction method at Alminum Project expansion joint |
| CN206090887U (en) * | 2016-08-26 | 2017-04-12 | 上海闽坚铝业有限公司 | A aluminum alloy upper cover plate for movement joint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653203A (en) * | 2021-08-13 | 2021-11-16 | 上海黎东射线防护工程有限公司 | Filling device for expansion joint of building structure of ray protection engineering |
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Application publication date: 20210226 |
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