CN114439126A - Connecting joint structure of steel structure stair steel beam and masonry wall and construction method thereof - Google Patents

Connecting joint structure of steel structure stair steel beam and masonry wall and construction method thereof Download PDF

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Publication number
CN114439126A
CN114439126A CN202210132115.0A CN202210132115A CN114439126A CN 114439126 A CN114439126 A CN 114439126A CN 202210132115 A CN202210132115 A CN 202210132115A CN 114439126 A CN114439126 A CN 114439126A
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China
Prior art keywords
wall section
wall
steel
cover plate
steel beam
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Granted
Application number
CN202210132115.0A
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Chinese (zh)
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CN114439126B (en
Inventor
王刚
刘天龙
刘天颖
张雨溪
王强
牛辉
陈华
庞程程
谢燕辉
李承龙
潘钧俊
管宁
蒋佳磊
司法强
黄沛林
赵武
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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Priority to CN202210132115.0A priority Critical patent/CN114439126B/en
Publication of CN114439126A publication Critical patent/CN114439126A/en
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Publication of CN114439126B publication Critical patent/CN114439126B/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to 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
    • 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
    • E04B1/948Fire-proof sealings or joints
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F11/022Stairways; Layouts thereof characterised by the supporting structure

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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 connecting node structure of a steel structure stair steel beam and a masonry wall and a construction method thereof, wherein the steel beam and the masonry wall in the structure are made of two materials of different materials, and a gap between the steel beam and the masonry wall has the risk of wall cracking when a subsequent wall is hung with a net and painted. The invention solves the problem that cracks are easy to generate after wall whitening of masonry walls made of different materials occurs in the wall surface.

Description

Connecting joint structure of steel structure stair steel beam and masonry wall and construction method thereof
Technical Field
The invention relates to the technical field of building construction, in particular to a connecting node structure of a steel structure stair steel beam and a masonry wall and a construction method of the connecting node structure.
Background
At present, the assembled steel staircases and composite floor slabs are increasingly used, and particularly, gaps or gaps exist at the steel beam 1 part of the steel staircase 7 shown in figure 1 after the H-shaped steel and masonry walls are built. The gap or gap will affect the subsequent whitening operation, and the wall (such as steel beam or steel column) between different materials in the masonry wall surface is likely to crack after whitening.
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, the connecting joint structure of the steel beam of the steel structure stair and the masonry wall and the construction method thereof are provided so as to solve the problem that cracks are easy to generate after wall bodies made of different materials are whitened in the wall surface of the masonry wall.
In order to realize above-mentioned purpose, provide a connected node structure of steel construction stair girder steel and brickwork wall, include:
the steel beam is used for mounting the steel structure stair;
the masonry wall comprises an upper wall section and a lower wall section which are oppositely arranged, a gap is formed between the upper wall section and the lower wall section, and the steel beam is embedded in the gap;
the two wall attaching plates are respectively arranged on the upper wall section and the lower wall section, adapter plates are connected to the opposite sides of the two wall attaching plates, and the adapter plates of the two wall attaching plates are respectively provided with a supporting box girder;
the fireproof cover plate is used for shielding the gap, two opposite sides of the fireproof cover plate are respectively lapped on the upper wall section and the lower wall section and cover the outer parts of the supporting box girders of the two wall attaching plates, a keel is connected between the two wall attaching plates, and the keel is supported on the inner wall of the fireproof cover plate;
the anti-cracking net piece is laid outside the fireproof cover plate, and the outer edges of two opposite sides of the anti-cracking net piece are fixedly arranged on the upper wall section and the lower wall section respectively; and
and the decorative layer is coated on the anti-cracking net sheet, the upper wall section and the lower wall section.
Furthermore, the fireproof cover plate is a cement fiber fireproof plate.
Further, the fire protection cover plate includes:
the panel is arranged opposite to the gap, and two opposite sides of the panel are lapped on the side parts of the supporting box girders on the two wall-attached plates; and
the edge sealing plate is connected to the outer edge of the panel and the upper wall section or between the lower wall sections, and a circle is arranged on the edge sealing plate along the circumferential direction of the panel.
Further, the inboard of panel is connected with many fossil fragments, many fossil fragments are followed the length direction interval of breach sets up.
Further, the end of the keel is welded and connected to the wall attaching plate.
Furthermore, the steel beam is an H-shaped steel beam.
Further, the wall attaching plate is fixedly arranged on the upper wall section or the lower wall section through expansion bolts.
The invention provides a construction method of a connection node structure of a steel structure stair steel beam and a masonry wall, which comprises the following steps:
respectively installing auxiliary wall plates on the upper wall section and the lower wall section;
installing keels between the wall attaching plates of the upper wall section and the lower wall section;
overlapping two opposite sides of a fireproof cover plate on the upper wall section and the lower wall section respectively and covering the two opposite sides of the fireproof cover plate outside the supporting box girders of the two wall attaching plates, so that the keel is supported on the inner wall of the fireproof cover plate;
an anti-cracking net piece is laid outside the fireproof cover plate, and the outer edges of two opposite sides of the anti-cracking net piece are fixedly arranged on the upper wall section and the lower wall section respectively;
and coating facing layers on the anti-cracking net sheet, the upper wall section and the lower wall section.
The invention has the beneficial effects that in the connecting node structure of the steel beam and the masonry wall of the steel structure stair, the steel beam and the masonry wall are made of two materials with different materials, and a gap between the steel beam and the masonry wall has the risk of wall cracking when a subsequent wall is hung with a net and painted.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a connection node structure of steel structural stair steel beams and masonry walls according to an embodiment of the invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a plan view of the steel structure staircase according to the 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 to 3, the present invention provides a connection node structure of a steel structure stair steel beam and a masonry wall, including: girder steel 1, brickwork wall, two attach wallboard 3, fire prevention cover plate 4, crack control net piece 5 and finish coat 6.
As shown in fig. 3, the steel beam 1 is used to install a steel structure staircase 7. Specifically, the platform plate 71 of the steel structure stair 7 is connected to the steel beam 1 and the steel column 8. The steel beam is embedded in the masonry wall. In this embodiment, the steel beam 1 is an H-shaped steel beam.
With reference again to fig. 1, the masonry wall includes an upper wall section 21 and a lower wall section 22 which are oppositely disposed. A gap is formed between the upper wall section 21 and the lower wall section 22. The notch is arranged along the horizontal direction. The steel beam 1 is embedded in the gap.
Two attached wall plates 3 are respectively installed on the upper wall section 21 and the lower wall section 22. In this embodiment, the wall plate 3 is fixed to the upper wall section 21 or the lower wall section 22 by expansion bolts. The wall attaching plate is arranged along the length direction of the notch. The two wall attaching plates are respectively arranged above and below the notch. The wall attaching plate 3 is fixedly arranged on the upper wall section 21 through expansion bolts; the other wall plate 3 is fixed on the lower wall section 22 through expansion bolts. The opposite sides of the two attached wallboards 3 are connected with adapter boards 31. In this embodiment, the wall plate and the adapter plate are integrally formed. In some embodiments, the wall panel and the adapter plate are integrally formed angle steel.
The adapter plates 31 of the two sub-wall plates 3 are respectively provided with a supporting box girder 32. The supporting box beam, the attached wall plate and the adapter plate are arranged in the same direction and are all arranged along the length direction of the notch.
Opposite sides of the fire shield panel 4 are respectively lapped on the upper wall section 21 and the lower wall section 22. The fire protection cover plate 4 covers the outer part of the supporting box beams 32 of the two wall attaching plates 3. A keel 43 is connected between the two wall attaching plates 3. The keel 43 is supported on the inner wall of the fire protection cover 4 to prevent deformation of the fire protection cover. The fire-proof cover plate 4 is used for covering the fire-proof cover plate of the shelter gap.
The anti-cracking net piece 5 is laid outside the fireproof cover plate 4. The anti-cracking net sheet is coated on the fireproof cover plate, and the outer edges of two opposite sides of the anti-cracking net sheet 5 are fixedly arranged on the upper wall section 21 and the lower wall section 22 respectively.
In this embodiment, referring to fig. 2, the anti-cracking mesh sheet is fixedly disposed on the outer wall of the fire-proof cover plate through screws.
The facing layer 6 is coated on the anti-cracking net sheet 5, the upper wall section 21 and the lower wall section 22, so that the upper wall section and the lower wall section form an integral structure. In some embodiments, the facing layer is a latex paint layer.
In the connection node structure of the steel beam and the masonry wall of the steel structure stair, the steel beam and the masonry wall are made of two materials of different materials, and a gap between the steel beam and the masonry wall is in danger of wall cracking when a subsequent wall is hung and painted.
In a preferred embodiment, the fire protection cover plate 4 is a cement fiber fire protection plate.
Specifically, the fire protection cover plate 4 includes: a face plate 41 and a blank plate 42. Wherein the panel 41 is arranged opposite to the notch. Opposite sides of the panel 41 are joined to the sides of the supporting box girders on the two wall panels 3. The upper side and the lower side of the panel are fixedly connected to the side face, far away from the masonry wall, of the supporting box girder through bolts respectively.
A blank 42 is attached between the outer edge of the panel 41 and the top wall section 21 above the gap. A blank 42 below the gap is connected between the outer edge of the panel 41 and the lower wall section 22. The edge sealing plate 42 is provided in one turn along the circumferential direction of the face plate 41.
In this embodiment, a plurality of keels 43 are connected to the inner side of the panel 41. A plurality of keels 43 are provided at intervals along the length direction of the notch. The ends of the keel 43 are welded to the wall plate 3. Specifically, the two ends of the keel are respectively welded and connected to the wall attaching plate.
The invention provides a construction method of a connection node structure of a steel structure stair steel beam and a masonry wall, which comprises the following steps:
s1: the wall attaching plates 3 are respectively installed on the upper wall section 21 and the lower wall section 22.
Specifically, be formed with the breach between last wall section and the lower wall section, inlay in the breach and be equipped with the girder steel that is used for connecting the landing slab of steel construction stair.
Attach the wallboard through expansion bolts fixed mounting respectively on last wall section and lower wall section for attach the wallboard and set up in the upside and the downside of breach.
S2: a keel 43 is installed between the wall attaching plates 3 of the upper wall section 21 and the lower wall section 22.
Specifically, after the wall attaching plate is installed, a plurality of keels are installed on the wall attaching plate on the upper side and the lower side of the notch respectively, wherein the plurality of keels are arranged at intervals along the length direction of the notch, and each keel is arranged along the width direction of the notch. The both ends of fossil fragments are welded connection respectively in attaching the wallboard.
S3: opposite sides of the fire protection cover plate 4 are respectively lapped on the upper wall section 21 and the lower wall section 22 and are covered outside the supporting box beams 32 of the two wall attaching plates 3, so that the keel is supported on the inner wall of the fire protection cover plate 4.
Firstly, the panel of the fireproof cover plate is arranged on a plurality of keels through bolts, and then the edge sealing plates are arranged on the opposite sides of the two supporting box girders. The top of the supporting box girder above the notch is provided with an edge sealing plate through screws, and the bottom of the supporting box girder below the notch is provided with an edge sealing plate through bolts.
S4: the anti-cracking net piece 5 is laid outside the fireproof cover plate 4, and the outer edges of two opposite sides of the anti-cracking net piece 5 are fixedly arranged on the upper wall section 21 and the lower wall section 22 respectively.
After the fireproof cover plate is installed, the anti-cracking net piece 5 is laid outside the fireproof cover plate 4, and the outer edges of two opposite sides of the anti-cracking net piece 5 are fixedly arranged on the upper wall section 21 and the lower wall section 22 respectively.
In some embodiments, the upper wall section and the lower wall section are respectively paved with fireproof plates, and the fireproof plates are pressed against the anti-cracking net sheets. The fireproof plate is abutted with the edge sealing plate to form an internal corner structure.
S5: and coating the anti-cracking net sheet 5, the upper wall section 21 and the lower wall section 22 with a decorative layer 6.
And finally, coating the decorative layer 6 on the anti-cracking net piece 5, the upper wall section 21 and the lower wall section 22, so that the upper wall section 21, the lower wall section 22 and the fireproof cover plate form an integral structure, the crack risk is not easy to generate, and the appearance of a three-dimensional structure is realized.
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 a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (8)

1. The utility model provides a connected node structure of steel construction stair girder steel and brickwork wall which characterized in that includes:
the steel beam is used for mounting the steel structure stair;
the masonry wall comprises an upper wall section and a lower wall section which are oppositely arranged, a gap is formed between the upper wall section and the lower wall section, and the steel beam is embedded in the gap;
the two wall attaching plates are respectively arranged on the upper wall section and the lower wall section, adapter plates are connected to the opposite sides of the two wall attaching plates, and the adapter plates of the two wall attaching plates are respectively provided with a supporting box girder;
the fireproof cover plate is used for shielding the gap, two opposite sides of the fireproof cover plate are respectively lapped on the upper wall section and the lower wall section and cover the outer parts of the supporting box girders of the two wall attaching plates, a keel is connected between the two wall attaching plates, and the keel is supported on the inner wall of the fireproof cover plate;
the anti-cracking net piece is laid outside the fireproof cover plate, and the outer edges of two opposite sides of the anti-cracking net piece are fixedly arranged on the upper wall section and the lower wall section respectively; and
and the decorative layer is coated on the anti-cracking net sheet, the upper wall section and the lower wall section.
2. The joint structure of the steel structural stair steel beam and the masonry wall according to claim 1, wherein the fireproof cover plate is a cement fiber fireproof plate.
3. The joint construction of a steel structural stair steel beam and masonry wall according to claim 1, wherein the fire protection cover plate comprises:
the panel is arranged opposite to the gap, and two opposite sides of the panel are lapped on the side parts of the supporting box girders on the two wall-attached plates; and
the edge sealing plate is connected to the outer edge of the panel and the upper wall section or between the lower wall sections, and a circle is arranged on the edge sealing plate along the circumferential direction of the panel.
4. The joint structure of the steel structural stair steel beam and the masonry wall according to claim 3, wherein a plurality of the keels are connected to the inner side of the panel, and the keels are arranged at intervals along the length direction of the gap.
5. The connection node construction of steel structural stair steel beams and masonry walls according to claim 4, wherein the ends of the keel are welded to the wall attachment plates.
6. The joint structure for connecting a steel structural stair steel beam and a masonry wall according to claim 1, wherein the steel beam is an H-shaped steel beam.
7. The connection node structure of the steel structure stair steel beam and the masonry wall according to claim 1, wherein the attached wall plate is fixedly arranged on the upper wall section or the lower wall section through expansion bolts.
8. A construction method of a connection node structure of a steel structure stair steel beam and a masonry wall according to any one of claims 1 to 7, characterized by comprising the following steps:
respectively installing auxiliary wall plates on the upper wall section and the lower wall section;
a keel is arranged between the wall attaching plates of the upper wall section and the lower wall section;
overlapping two opposite sides of the fireproof cover plate on the upper wall section and the lower wall section respectively and covering the two opposite sides of the fireproof cover plate outside the supporting box girders of the two wall attaching plates, so that the keels are supported on the inner wall of the fireproof cover plate;
an anti-cracking net piece is laid outside the fireproof cover plate, and the outer edges of two opposite sides of the anti-cracking net piece are fixedly arranged on the upper wall section and the lower wall section respectively;
and coating facing layers on the anti-cracking net sheet, the upper wall section and the lower wall section.
CN202210132115.0A 2022-02-14 2022-02-14 Connecting node structure of steel structure stair steel beam and masonry wall and construction method thereof Active CN114439126B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013060764A (en) * 2011-09-14 2013-04-04 Takenaka Komuten Co Ltd Fireproof board joint structure and compound fireproof coating structure of steel frame beam with the same
CN205063033U (en) * 2015-10-27 2016-03-02 文登蓝岛建筑工程有限公司 Outer wall and plywood closed type connecting component
CN105672485A (en) * 2016-04-08 2016-06-15 安徽富煌钢构股份有限公司 External wall board and steel beam connecting node of steel structure house
CN207032507U (en) * 2017-07-12 2018-02-23 宁夏远高新能源装备制造有限公司 A kind of attachment structure of floor and girder steel
CN111305591A (en) * 2020-03-06 2020-06-19 河北省建筑科学研究院有限公司 External thermal insulation prefabricated fireproof isolation strip for existing building external wall and construction method thereof
CN111379329A (en) * 2018-12-31 2020-07-07 广西建工集团第五建筑工程有限责任公司 Connecting node structure of silicon-magnesium wallboard and steel structure of steel structure house and construction method thereof
WO2020237285A1 (en) * 2019-05-24 2020-12-03 Csr Building Products Limited Modular pod
CN216810994U (en) * 2021-12-15 2022-06-24 中国建筑第八工程局有限公司 Steel beam and brickwork connected node's plugging device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013060764A (en) * 2011-09-14 2013-04-04 Takenaka Komuten Co Ltd Fireproof board joint structure and compound fireproof coating structure of steel frame beam with the same
CN205063033U (en) * 2015-10-27 2016-03-02 文登蓝岛建筑工程有限公司 Outer wall and plywood closed type connecting component
CN105672485A (en) * 2016-04-08 2016-06-15 安徽富煌钢构股份有限公司 External wall board and steel beam connecting node of steel structure house
CN207032507U (en) * 2017-07-12 2018-02-23 宁夏远高新能源装备制造有限公司 A kind of attachment structure of floor and girder steel
CN111379329A (en) * 2018-12-31 2020-07-07 广西建工集团第五建筑工程有限责任公司 Connecting node structure of silicon-magnesium wallboard and steel structure of steel structure house and construction method thereof
WO2020237285A1 (en) * 2019-05-24 2020-12-03 Csr Building Products Limited Modular pod
CN111305591A (en) * 2020-03-06 2020-06-19 河北省建筑科学研究院有限公司 External thermal insulation prefabricated fireproof isolation strip for existing building external wall and construction method thereof
CN216810994U (en) * 2021-12-15 2022-06-24 中国建筑第八工程局有限公司 Steel beam and brickwork connected node's plugging device

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