CN111075011A - Prefabricated balcony of assembled steel construction bridge cut-off - Google Patents

Prefabricated balcony of assembled steel construction bridge cut-off Download PDF

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Publication number
CN111075011A
CN111075011A CN201911347546.3A CN201911347546A CN111075011A CN 111075011 A CN111075011 A CN 111075011A CN 201911347546 A CN201911347546 A CN 201911347546A CN 111075011 A CN111075011 A CN 111075011A
Authority
CN
China
Prior art keywords
balcony
slab
lower flange
layer
cantilever
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
CN201911347546.3A
Other languages
Chinese (zh)
Inventor
黄毓祺
孙杰
周燕
钱飞伟
于鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Longyuan Mingzhu Science And Technology Co ltd
Original Assignee
Longyuan Mingzhu Science And Technology 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 Longyuan Mingzhu Science And Technology Co ltd filed Critical Longyuan Mingzhu Science And Technology Co ltd
Priority to CN201911347546.3A priority Critical patent/CN111075011A/en
Publication of CN111075011A publication Critical patent/CN111075011A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/003Balconies; Decks
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, 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
    • E04B1/762Exterior insulation of exterior walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/94Protection against other undesired influences or dangers against fire
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/18Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/182Underlayers coated with adhesive or mortar to receive the flooring
    • E04F15/183Underlayers coated with adhesive or mortar to receive the flooring for areas prone to frost damage, e.g. for balconies or terraces
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/244Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

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

Abstract

The invention relates to an assembled steel structure bridge-cut-off prefabricated balcony, which comprises two symmetrically arranged cantilever beams, an anode plate arranged between the two cantilever beams and a finishing coat positioned at the top of the anode plate, wherein the two cantilever beams are turned upwards, the beam bottoms of the cantilever beams are flush with the bottom of the anode plate after being coated with fireproof paint, the finishing coat comprises a first cement mortar layer, a first waterproof layer, a second cement mortar layer, an overhead floor and a face brick which are sequentially arranged from bottom to top, a structural crack is arranged at the joint of the anode plate and an indoor floor slab, the indoor floor slab is positioned on a steel beam, a fireproof isolation strip is arranged on one side of the steel beam, close to the anode plate, and penetrates through the structural crack; a heat-preservation mortar soil step is arranged between the balcony plate and the balcony door. The invention can effectively block the heat transfer between the balcony slab and the indoor floor slab and improve the heat insulation performance of the building.

Description

Prefabricated balcony of assembled steel construction bridge cut-off
Technical Field
The invention relates to a prefabricated balcony, in particular to an assembled steel structure bridge-cut prefabricated balcony.
Background
The balcony is a special component in a building structure, is a bridge for indoor and outdoor transition of a building, is a platform for people to be close to nature, and also has an important function on the external shape of the building. Along with the gradual deepening of the building energy-saving concept and the continuous improvement of the living standard of people, the requirement of people on the comfort of the living environment is higher and higher, and the elimination of a heat bridge is one of effective means for improving the building comfort. In the conventional balcony scheme, a balcony floor is usually communicated with a floor in a sleeve, heat insulation is not performed on the conventional balcony part, and a cold bridge and a heat bridge are formed at the floor position, so that the heat insulation performance of a building is reduced, the comfort of a living environment is influenced, and the energy consumption is increased; secondly, the balcony slab pouring and the upper structure and the finished surface of each floor of the traditional building are all completed by site construction, so that the problems of large site construction amount, long construction period, more pollution, higher labor cost and the like exist, and the industrialization advantage of modern residences is not brought into play.
Disclosure of Invention
The invention provides an assembled steel structure bridge-cut-off prefabricated balcony, which is used for solving the problems in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows: an assembled steel structure broken bridge prefabricated balcony comprises two symmetrically arranged cantilever beams, an balcony board and a finish coat, wherein the balcony board is arranged between the two cantilever beams, the finish coat is positioned at the top of the balcony board, the two cantilever beams are turned upwards, the beam bottoms of the cantilever beams are flush with the bottom of the balcony board after being coated with fireproof coatings, the finish coat comprises a first cement mortar layer, a first waterproof layer, a second cement mortar layer, an overhead floor and a face brick which are sequentially arranged from bottom to top, a structural broken joint is arranged at the joint of the balcony board and an indoor floor slab, the indoor floor slab is positioned on a steel beam, a fireproof isolation strip is arranged on one side, close to the balcony board, of the steel beam, and the fireproof isolation strip penetrates through the structural broken joint;
and a heat-insulating mortar soil step is arranged between the balcony slab and the balcony door and comprises a heat-insulating mortar layer, a first waterproof layer, a second cement mortar layer and a doorsill finish coat which are sequentially arranged from bottom to top.
Further, the second waterproof layer is arranged at the joint of the prefabricated balcony and the main body structure, and the width of the second waterproof layer is smaller than that of the balcony board.
Furthermore, the male platen is erected on a lower flange of the cantilever beam, the width of the lower flange of the cantilever beam is larger than that of an upper flange of the cantilever beam, and the width of the lower flange of the cantilever beam close to one side of the male platen is larger than that of the lower flange of the other side of the cantilever beam.
Furthermore, ALC blocks are filled between the upper flange and the lower flange of the cantilever beam and between the upper flange and the balcony slab.
Furthermore, the ALC block is filled between the upper flange and the lower flange of the steel beam, the ALC block is close to the upper flange and the lower flange of the steel beam extending out of the indoor side, and the end parts of the upper flange and the lower flange of the steel beam close to the indoor side are flush with the end part of the ALC block after being coated with fireproof coating.
Furthermore, an outer wall is arranged at the bottom of the steel beam, a heat insulation layer is arranged on one side, close to the balcony slab, of the outer wall, and the heat insulation layer and the fireproof isolation belt are closely spliced.
Further, a gap between the balcony slab and the fireproof isolation belt is sealed by cement mortar.
Furthermore, the balcony slab is a concrete floor slab.
Furthermore, the cantilever beam is connected with the frame column through bolt welding.
The invention has the beneficial effects that:
1. according to the invention, the structural broken joint is arranged at the joint of the balcony slab and the indoor floor slab, and then the structural broken joint is filled through the fireproof isolation belt, and the fireproof isolation belt belongs to a part of an external thermal insulation system of an external wall, so that external thermal insulation on the external wall is continuous, indoor and outdoor heat transfer is optimized from a surface-to-surface conduction mode to a point-to-surface conduction mode, heat transfer between the balcony slab and the indoor floor slab is effectively blocked, the building thermal insulation performance and the comfort of the living environment are improved, and energy consumption is reduced.
2. The pouring of the balcony slab, the construction of the first cement mortar layer, the first waterproof layer, the second cement mortar layer, the raised floor and most of face bricks on the upper part are finished in a factory, and the site construction is only carried out on the position of the last row of face bricks and the heat preservation mortar soil step is finished, so that the site wet operation can be effectively reduced, the pollution is reduced, and meanwhile, the balcony slab can be processed in a factory in large batch, so the construction period can be shortened, and the labor cost is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the present invention;
FIG. 3 is a transverse cross-sectional view of the present invention;
illustrated in the figure are: 1. cantilever beam, 2, frame post, 3, balcony board, 4, first cement mortar layer, 5, first waterproof layer, 6, second waterproof layer, 7, second cement mortar layer, 8, built on stilts floor, 9, face brick, 10, outer wall, 11, heat preservation, 12, heat preservation mortar layer, 13, indoor floor, 14, cement mortar, 15, girder steel, 16, balcony door, 17, threshold finish coat, 18, fire retardant coating, 19, ALC piece, 20, fire-proof isolation area.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1 to 3, the prefabricated balcony with the assembled steel structure broken bridge comprises two symmetrically arranged cantilever beams 1, an anode plate 3 arranged between the two cantilever beams 1 and a finishing coat positioned at the top of the anode plate 3, wherein the two cantilever beams 1 are turned upwards, the beam bottoms of the cantilever beams 1 are coated with fireproof coatings 18 and then are flush with the bottom of the anode plate 3, the finishing coat comprises a first cement mortar layer 4, a first waterproof layer 5, a second waterproof layer 6, a second cement mortar layer 7, an overhead floor 8 and a face brick 9 which are sequentially arranged from bottom to top, a structural broken joint is arranged at the joint of the anode plate 3 and an indoor floor 13, the indoor floor 13 is positioned on a steel beam 15, a fireproof isolation strip 20 is arranged on one side of the steel beam 15, which is close to the anode plate 3, and the fireproof isolation strip 20 penetrates through the structural broken joint;
and a heat-insulating mortar soil step is arranged between the balcony plate 3 and the balcony door 16, and comprises a heat-insulating mortar layer 12, a first waterproof layer 5, a second waterproof layer 6, a second cement mortar layer 7 and a doorsill finish coat 17 which are sequentially arranged from bottom to top.
In this embodiment, through set up the structure crack at the junction of balcony slab 3 and indoor floor 13, rethread fire barrier 20 fills the processing to the structure crack, because fire barrier 20 itself just belongs to the partly of outer wall 10 external insulation system, therefore can make the outer heat preservation on the outer wall 10 continuous, thereby be indoor outer heat transfer by the surface conduction optimization for the point face conduction mode, effectively block the heat transfer between balcony slab 3 and the indoor floor 13, improve building thermal insulation performance and residential environment's travelling comfort, reduce the energy consumption simultaneously.
In this embodiment, the first cement mortar layer 4 on the pouring and upper portion of balcony slab 3, first waterproof layer 5, second waterproof layer 6, second cement mortar layer 7, raised floor 8 and most face 9 bricks are all accomplished at the factory construction, only keep the site operation of the position of last row of face brick 9 and accomplish the mortar soil step of keeping warm, therefore can effectual reduction on-the-spot wet work, and pollution abatement, simultaneously, because this balcony slab 3 can carry out large batch processing in the mill, consequently, the time limit for a project can be shortened, and labor cost is reduced.
In this embodiment, the first cement mortar layer 4 has both functions of slope finding and leveling.
In this embodiment, the first waterproof layer 5 is made of JS elastic waterproof paint, and the second waterproof layer 6 is made of waterproof roll material.
In this embodiment, turn over on through cantilever beam 1, and cantilever beam 1's beam-bottom coating finish behind fire retardant coating 18 with balcony board 3 bottom parallel and level, form plate-type balcony for the outward appearance of whole prefabricated balcony is comparatively slim and graceful, simultaneously, has cancelled traditional banding roof beam, can alleviate the weight of whole prefabricated balcony when reducing with the steel volume.
In this embodiment, the fire barrier 20 may be rock wool fire barrier or made of other inorganic heat insulating materials.
In the present embodiment, as shown in fig. 1 and 2, the second waterproof layer 6 is disposed at the connection of the prefabricated balcony and the main structure, and the width of the second waterproof layer 6 is smaller than that of the balcony slab 3.
In this embodiment, it should be noted that the main structure refers to the whole building except the prefabricated balcony.
In this embodiment, through setting up second waterproof layer 6, can effectually avoid the junction between prefabricated balcony and the major structure to leak. The width of the second waterproof layer 6 is smaller than that of the balcony slab 3, so that the construction of workers can be facilitated on the premise of meeting the use requirements, and meanwhile, waterproof coiled materials can be saved.
As shown in fig. 3, in this embodiment, the balcony slab 3 is erected on a lower flange of the cantilever beam 1, a width of the lower flange of the cantilever beam 1 is greater than a width of an upper flange of the cantilever beam 1, and a width of the lower flange of the cantilever beam 1 on a side close to the balcony slab 3 is greater than a width of the lower flange of the other side of the cantilever beam 1. Therefore, the balcony plate 3 can be conveniently erected on the lower flange of the cantilever beam 1, and the appearance of the outer vertical surface of the whole prefabricated balcony is lighter.
As shown in fig. 3, in the present embodiment, ALC blocks 19 are filled between the upper flange and the lower flange of the cantilever beam 1 and between the upper flange and the balcony slab. The ALC block 19 is filled to play a certain fireproof role, so that the fire resistance of the cantilever beam 1 is improved, and the safety of a steel structure building is ensured. Furthermore, the ALC block 19 is fixed through an externally hung steel plate net, and the steel plate net is connected with the cantilever beam 1 through welding.
As shown in fig. 2, in this embodiment, an ALC block 19 is filled between an upper flange and a lower flange of the steel beam 15, the ALC block 19 extends out of the upper flange and the lower flange of the steel beam 15 near the indoor side, and the ends of the upper flange and the lower flange of the steel beam 15 near the indoor side are flush with the end of the ALC block 19 after being coated with the fireproof coating 18.
In the embodiment, the ALC block 19 is filled between the upper flange and the lower flange of the steel beam 15, and can be matched with the fireproof coating 18 to play a fireproof role, and meanwhile, the ALC block 19 can also play a sound insulation role.
As shown in fig. 2, in this embodiment, an outer wall 10 is disposed at the bottom of the steel beam 15, an insulating layer 11 is disposed on one side of the outer wall 10 close to the balcony slab 3, and the insulating layer 11 and the fireproof isolation strip 20 are closely spliced.
In this embodiment, the outer wall 10 is an ALC outer wall or a non-transparent curtain wall, and the heat insulation material used for the heat insulation layer 11 may be a modified EPS heat insulation board, an extruded polystyrene board, a rock wool board or a rock wool belt.
As shown in fig. 2, in this embodiment, the gap between the balcony slab 3 and the fire barrier 20 is sealed with cement mortar.
In this embodiment, the balcony slab 3 is a concrete floor.
In this embodiment, the concrete floor is cast in place in a factory, and the concrete floor may be a steel bar truss floor or a laminated slab. Further, the concrete floor is stressed along the long span of the balcony so that a structural gap is formed at the joint between the balcony slab 3 and the indoor floor 13.
In this embodiment, the cantilever beam 1 and the frame column 2 are connected by bolting and welding.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. All structural equivalents made by using the contents of the specification and the drawings are included in the scope of the present invention.

Claims (9)

1. The utility model provides a prefabricated balcony of assembled steel construction bridge cut-off, includes the cantilever beam that two symmetries set up, sets up the balcony board between two cantilever beams and the finish coat that is located balcony board top, its characterized in that: the two cantilever beams are turned upwards, the beam bottoms of the cantilever beams are flush with the bottom of the balcony slab after being coated with fireproof coatings, the finish coat comprises a first cement mortar layer, a first waterproof layer, a second cement mortar layer, an overhead floor and face bricks which are sequentially arranged from bottom to top, a structural broken joint is arranged at the joint of the balcony slab and an indoor floor slab, the indoor floor slab is positioned on a steel beam, a fireproof isolation belt is arranged on one side, close to the balcony slab, of the steel beam, and the fireproof isolation belt penetrates through the structural broken joint;
and a heat-insulating mortar soil step is arranged between the balcony slab and the balcony door and comprises a heat-insulating mortar layer, a first waterproof layer, a second cement mortar layer and a doorsill finish coat which are sequentially arranged from bottom to top.
2. The fabricated steel structure bridge-cut prefabricated balcony according to claim 1, wherein: the second waterproof layer is arranged at the joint of the prefabricated balcony and the main body structure, and the width of the second waterproof layer is smaller than that of the balcony board.
3. The fabricated steel structure bridge-cut prefabricated balcony according to claim 1, wherein: the male platen is erected on a lower flange of the cantilever beam, the width of the lower flange of the cantilever beam is larger than that of an upper flange of the cantilever beam, and the width of the lower flange of the cantilever beam close to one side of the male platen is larger than that of the lower flange of the other side of the cantilever beam.
4. The fabricated steel structure bridge-cut prefabricated balcony according to claim 1, wherein: ALC blocks are filled between the upper flange and the lower flange of the cantilever beam and between the upper flange and the balcony slab.
5. The fabricated steel structure bridge-cut prefabricated balcony according to claim 1, wherein: the steel beam is characterized in that an ALC block is filled between the upper flange and the lower flange of the steel beam, the ALC block is close to the upper flange and the lower flange of the steel beam, and the end parts of the upper flange and the lower flange of the steel beam, which are close to the indoor side, are coated with fireproof coating and then are parallel and level to the end part of the ALC block.
6. The fabricated steel structure bridge-cut prefabricated balcony according to claim 1, wherein: the bottom of the steel beam is provided with an outer wall, one side of the outer wall, which is close to the balcony slab, is provided with a heat preservation layer, and the heat preservation layer and the fireproof isolation belt are closely spliced.
7. The fabricated steel structure bridge-cut prefabricated balcony according to claim 1, wherein: and the gap between the balcony slab and the fireproof isolation strip is blocked by cement mortar.
8. The fabricated steel structure bridge-cut prefabricated balcony according to claim 1, wherein: the balcony slab is a concrete floor.
9. The fabricated steel structure bridge-cut prefabricated balcony according to claim 1, wherein: the cantilever beam is connected with the frame column through bolt welding.
CN201911347546.3A 2019-12-24 2019-12-24 Prefabricated balcony of assembled steel construction bridge cut-off Pending CN111075011A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911347546.3A CN111075011A (en) 2019-12-24 2019-12-24 Prefabricated balcony of assembled steel construction bridge cut-off

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911347546.3A CN111075011A (en) 2019-12-24 2019-12-24 Prefabricated balcony of assembled steel construction bridge cut-off

Publications (1)

Publication Number Publication Date
CN111075011A true CN111075011A (en) 2020-04-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911347546.3A Pending CN111075011A (en) 2019-12-24 2019-12-24 Prefabricated balcony of assembled steel construction bridge cut-off

Country Status (1)

Country Link
CN (1) CN111075011A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111827493A (en) * 2020-06-04 2020-10-27 绿城房地产集团有限公司 Waterproof structure of balcony door lower opening node

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111827493A (en) * 2020-06-04 2020-10-27 绿城房地产集团有限公司 Waterproof structure of balcony door lower opening node

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