CN115324218A - Fireproof construction method for cavity building - Google Patents
Fireproof construction method for cavity building Download PDFInfo
- Publication number
- CN115324218A CN115324218A CN202211054915.1A CN202211054915A CN115324218A CN 115324218 A CN115324218 A CN 115324218A CN 202211054915 A CN202211054915 A CN 202211054915A CN 115324218 A CN115324218 A CN 115324218A
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- CN
- China
- Prior art keywords
- galvanized steel
- steel plate
- shaped galvanized
- construction method
- cavity building
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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.)
- Pending
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 47
- 239000008397 galvanized steel Substances 0.000 claims abstract description 47
- 239000011490 mineral wool Substances 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 239000000565 sealant Substances 0.000 claims abstract description 7
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000004567 concrete Substances 0.000 claims description 14
- 210000001503 joint Anatomy 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000012774 insulation material Substances 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 description 3
- 241000264877 Hippospongia communis Species 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
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- 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
-
- 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
-
- 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
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention relates to the technical field of fire prevention, in particular to a cavity building fire prevention construction method. The method comprises the following steps: s1: cleaning a base layer; s2: positioning and paying off; s3: installing a U-shaped galvanized steel plate; s4: rock wool heat-insulating plates are embedded and filled in the U-shaped galvanized steel plates; s5: buckling a U-shaped galvanized steel plate; s6: and pouring a refractory sealant. According to the invention, through double-layer protection of the U-shaped galvanized steel plate, the fireproof performance of fireproof plugging is enhanced, the durability is increased, the use amount of steel and rock wool plate heat insulation materials is saved, and the requirement of energy conservation is met; through the floor plugging of the curtain wall, the cavity chimney effect is reduced, the heat loss in the building is correspondingly reduced, the energy is further saved, the heating cost in winter is reduced, and the purpose of energy conservation is achieved.
Description
Technical Field
The invention relates to the technical field of fire prevention, in particular to a cavity building fire prevention construction method.
Background
Along with the social and economic development of China, more and more high-rise buildings are built, and meanwhile, the number of fire accidents of the buildings is increased. In particular to a high-rise building, once a fire disaster occurs, the fire disaster is very difficult to extinguish, and the fire disaster easily causes serious casualties and property loss, thereby causing environmental pollution. Therefore, on one hand, there is a need to develop non-combustible and fire-retardant building materials, and on the other hand, there is a need to enhance fire partition, fire partition and fire blocking technologies to effectively control fire in a limited range, prevent fire from spreading and minimize fire hazard, so there is a need to design a fire protection construction method for cavity buildings.
Disclosure of Invention
In order to solve the technical problems, the invention provides the cavity building fireproof construction method which has the advantages of simple process, convenience in operation, no need of special training, low cost and low loss, and common workers can perform construction operation.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a cavity building fireproof construction method comprises the following steps:
s1: cleaning a base layer;
s2: positioning and paying off;
s3: installing a U-shaped galvanized steel plate;
s4: rock wool heat-insulating plates are embedded and filled in the U-shaped galvanized steel plates;
s5: buckling a U-shaped galvanized steel sheet;
s6: and pouring a refractory sealant.
Preferably, the step S1 includes:
cleaning loose materials, garbage, dirt and the like on the surface of the concrete;
polishing the concrete with uneven surface;
the honeycomb and the pitted surface existing on the local concrete surface are repaired by adopting 1:2 cement mortar.
Preferably, the installation position of the fireproof plugs is leveled by a satellite positioning system, horizontal lines with closed peripheries and circles are popped, the fireproof plugs are controlled to be positioned on the same horizontal plane on the same floor, and the distance between floors is consistent so as to be matched with curtain wall construction.
Preferably, the U-shaped galvanized steel plates are fixed with the concrete through M10 expansion bolts, the fixed point of each section of the U-shaped galvanized steel plate is not less than 3, the two ends of each U-shaped galvanized steel plate are different in size, and the deviation of the two ends of each U-shaped galvanized steel plate is 3-4 mm.
Preferably, the rock wool heat-insulating plate is cut according to the actual size, is embedded and filled in the U-shaped galvanized steel plate groove in a segmented mode, and is compact and full when being embedded and filled, and gaps cannot be reserved.
Preferably, during the butt joint U-shaped galvanized steel sheet, cut U-shaped galvanized steel sheet according to actual conditions to with the coincidence of stone material curtain main joist, the butt joint should be in the same direction as straight, notch and notch, notch and primary and secondary fossil fragments should hug closely, can not excessively flaring, influence U-shaped galvanized steel sheet butt joint quality.
Preferably, the butt joint of the U-shaped galvanized steel sheet is adhered by a refractory sealant.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the galvanized steel plate with the thickness of 1.5mm is processed into the U-shaped groove and is directly connected with the building wall, so that the using amount of angle steel and bolts is saved, the using amount of the steel plate is increased, the fireproof durability is increased due to the use of the double steel plates, the using amount of the rock wool plate is correspondingly reduced, and the using amount of the rock wool plate is saved.
2. The traditional floor plugging construction needs a steel plate with the thickness of 1.5mm to be connected with the angle steel and can be completed only by the up-and-down matching of two persons.
3. According to the invention, through double-layer protection of the U-shaped galvanized steel plate, the fireproof performance of fireproof sealing is enhanced, the durability is increased, the use amount of steel and rock wool plate heat insulation materials is saved, and the requirement of energy conservation is met; through the floor plugging of the curtain wall, the cavity chimney effect is reduced, the heat loss in the building is correspondingly reduced, the energy is further saved, the heating cost in winter is reduced, and the purpose of energy conservation is achieved.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a cavity building fireproof construction method includes the following steps:
s1: cleaning a base layer: cleaning loose materials, garbage, dirt and the like on the surface of the concrete, and polishing the concrete with an uneven surface to ensure that the surface of the concrete is flat and solid; repairing honeycombs and pitted surfaces on the local concrete surface by adopting 1:2 cement mortar to ensure that the U-shaped galvanized steel plate is closely attached to the concrete surface.
S2: positioning and paying off: and leveling the installation position of the fireproof plug by adopting a satellite positioning system, popping up horizontal lines with closed and crossed circles around, and controlling the fireproof plug to be positioned on the same horizontal plane on the same floor, wherein the distance between floors is consistent so as to be matched with curtain wall construction.
S3: installing a U-shaped galvanized steel plate: the processing thickness of the U-shaped galvanized steel sheet is 100mm, the length is controlled to be about 1200mm, and the width is 150mm. The cavity size between curtain and the major structure is 240mm, according to the horizontal closed loop ink marker line that pops out in advance, installation U-shaped galvanized steel sheet, U-shaped galvanized steel sheet adopts M10 expansion bolts and concrete fixed, every section U-shaped galvanized steel sheet fixed point is no less than 3, it is smooth-going to the overlap joint at the level for guaranteeing U-shaped galvanized steel sheet, process into reducer with U-shaped galvanized steel sheet, so that the overlap joint, reducer deviation is 3 ~ 4mm, the overlap joint width is 30mm.
S4: rock wool heat preservation plates are embedded and filled in the U-shaped galvanized steel plates: the rock wool heat insulation board embedded and filled in the U-shaped galvanized steel plate can be a finished product heat insulation board with the thickness of 100mm, the rock wool heat insulation board is cut on the spot according to the actual size, the rock wool heat insulation board is embedded and filled in the U-shaped galvanized steel plate in sections, and the rock wool heat insulation board is compact and full and cannot leave gaps when being embedded and filled. When meeting curtain vertical fossil fragments, can cut the rock wool heated board according to fossil fragments size, position, notice that the size deviation of cutting guarantees within 1 ~ 2 mm.
S5: buckling a U-shaped galvanized steel plate: when the U-shaped galvanized steel plate is butted, the U-shaped galvanized steel plate can be cut moderately so as to be convenient to be matched with the main keel of the stone curtain wall, the butt joint is smooth and straight, the notch is tightly attached to the notch and the main keel and the auxiliary keel, excessive flaring can not be realized, and the butt joint quality of the U-shaped galvanized steel plate is influenced. Therefore, the size of the overlapped part can be adjusted when the U-shaped galvanized steel sheets are butted, the cavity error between the building outer wall and the curtain wall can be adjusted, and the tightness of fireproof plugging can be effectively ensured.
S6: pouring a refractory sealant: and adhering the butt joint of the U-shaped galvanized steel plate by using a fire-resistant sealant.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.
Claims (7)
1. A cavity building fireproof construction method is characterized in that: the method comprises the following steps:
s1: cleaning a base layer;
s2: positioning and paying off;
s3: installing a U-shaped galvanized steel plate;
s4: rock wool heat-insulating plates are embedded and filled in the U-shaped galvanized steel plates;
s5: buckling a U-shaped galvanized steel plate;
s6: and pouring a refractory sealant.
2. The fire protection construction method for the cavity building according to claim 1, wherein: the step S1 comprises the following steps:
cleaning loose materials, garbage, dirt and the like on the surface of the concrete;
polishing the concrete with uneven surface;
the honeycomb and the pitted surface existing on the local concrete surface are repaired by adopting 1:2 cement mortar.
3. The fire protection construction method for the cavity building according to claim 1, wherein: the step S2 includes: and leveling the installation position of the fireproof plug by using a satellite positioning system, popping up horizontal lines with closed and crossed circles around, and controlling the fireproof plug to be positioned on the same horizontal plane on the same floor, wherein the distance between every two floors is consistent so as to be matched with curtain wall construction.
4. The cavity building fire prevention construction method according to claim 1, characterized in that: and the step S3 comprises the step of fixing the U-shaped galvanized steel plate and the concrete base layer by adopting M10 expansion bolts, wherein the number of fixing points of each section of the U-shaped galvanized steel plate is not less than 3, the sizes of two ends of each U-shaped galvanized steel plate are different, and the deviation of the two ends of each U-shaped galvanized steel plate is 3-4 mm.
5. The fire protection construction method for the cavity building according to claim 1, wherein: the step S4 includes: the rock wool heat-insulation board is cut according to the actual size, is embedded and filled in the U-shaped galvanized steel plate groove in a segmented mode, and is compact and full when being embedded and filled, and gaps cannot be reserved.
6. The fire protection construction method for the cavity building according to claim 1, wherein: the step S5 includes: when the U-shaped galvanized steel plate is butted, the U-shaped galvanized steel plate is cut according to actual conditions so as to be matched with the main keel of the stone curtain wall, the butt joint is straight, the notch is tightly attached to the notch and the main keel, excessive flaring can not be realized, and the butt joint quality of the U-shaped galvanized steel plate is influenced.
7. The fire protection construction method for the cavity building according to claim 1, wherein: the step S6 includes: and adhering the butt joint of the U-shaped galvanized steel plate by using a fire-resistant sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211054915.1A CN115324218A (en) | 2022-08-31 | 2022-08-31 | Fireproof construction method for cavity building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211054915.1A CN115324218A (en) | 2022-08-31 | 2022-08-31 | Fireproof construction method for cavity building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115324218A true CN115324218A (en) | 2022-11-11 |
Family
ID=83928763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211054915.1A Pending CN115324218A (en) | 2022-08-31 | 2022-08-31 | Fireproof construction method for cavity building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115324218A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695574A (en) * | 2014-12-23 | 2015-06-10 | 中建四局第六建筑工程有限公司 | Combined interlayer fire-proof sealing method in dry-hanging stone engineering |
| CN109296097A (en) * | 2018-09-30 | 2019-02-01 | 中国冶集团有限公司 | Fire-resistant plugging device and its installation method for curtain wall interlayer |
| CN209941978U (en) * | 2019-01-31 | 2020-01-14 | 广东世纪达建设集团有限公司 | Interlayer fire-proof layer partition device for curtain wall |
| CN214329487U (en) * | 2021-03-15 | 2021-10-01 | 中建一局集团第三建筑有限公司 | Fireproof vertical plate and interlayer plugging integrated structure |
| CN214364307U (en) * | 2020-08-18 | 2021-10-08 | 绿城建设管理集团有限公司 | Fireproof plugging device between curtain wall engineering layer |
| CN216130410U (en) * | 2021-09-18 | 2022-03-25 | 中建二局装饰工程有限公司 | Fireproof and lightning-protection node structure between layers of glass curtain wall |
| CN216239175U (en) * | 2021-11-17 | 2022-04-08 | 中建二局装饰工程有限公司 | Glass strides room partition wall fire prevention shutoff construction structures |
-
2022
- 2022-08-31 CN CN202211054915.1A patent/CN115324218A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695574A (en) * | 2014-12-23 | 2015-06-10 | 中建四局第六建筑工程有限公司 | Combined interlayer fire-proof sealing method in dry-hanging stone engineering |
| CN109296097A (en) * | 2018-09-30 | 2019-02-01 | 中国冶集团有限公司 | Fire-resistant plugging device and its installation method for curtain wall interlayer |
| CN209941978U (en) * | 2019-01-31 | 2020-01-14 | 广东世纪达建设集团有限公司 | Interlayer fire-proof layer partition device for curtain wall |
| CN214364307U (en) * | 2020-08-18 | 2021-10-08 | 绿城建设管理集团有限公司 | Fireproof plugging device between curtain wall engineering layer |
| CN214329487U (en) * | 2021-03-15 | 2021-10-01 | 中建一局集团第三建筑有限公司 | Fireproof vertical plate and interlayer plugging integrated structure |
| CN216130410U (en) * | 2021-09-18 | 2022-03-25 | 中建二局装饰工程有限公司 | Fireproof and lightning-protection node structure between layers of glass curtain wall |
| CN216239175U (en) * | 2021-11-17 | 2022-04-08 | 中建二局装饰工程有限公司 | Glass strides room partition wall fire prevention shutoff construction structures |
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