CN113175096A - Prefabricated outer wall connected node of assembled steel construction - Google Patents
Prefabricated outer wall connected node of assembled steel construction Download PDFInfo
- Publication number
- CN113175096A CN113175096A CN202110440014.5A CN202110440014A CN113175096A CN 113175096 A CN113175096 A CN 113175096A CN 202110440014 A CN202110440014 A CN 202110440014A CN 113175096 A CN113175096 A CN 113175096A
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- China
- Prior art keywords
- wall
- cast
- embedded
- exterior wall
- steel plate
- Prior art date
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 90
- 239000010959 steel Substances 0.000 title claims abstract description 90
- 238000010276 construction Methods 0.000 title abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000011065 in-situ storage Methods 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000005536 corrosion prevention Methods 0.000 abstract 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0452—H- or I-shaped
Abstract
The invention relates to an assembly type steel structure prefabricated outer wall connecting node which comprises a prefabricated outer wall, a floor slab, a steel beam, an outer wall embedded steel plate, a U-shaped steel plate, a connecting bolt, a nut and a cast-in-place section embedded steel plate. Compared with the prior art, the invention has safe and reliable stress and simple structure, effectively solves the problems of fire prevention and corrosion prevention, saves the cost and effectively improves the field construction efficiency.
Description
Technical Field
The invention relates to an outer wall connecting node, in particular to an assembly type steel structure prefabricated outer wall connecting node.
Background
The prefabricated outer wall is an important prefabricated component in an assembly type building, has higher repetition rate and fewer types of moulds, and can achieve industrialized and large-scale production; but traditional prefabricated outer wall is connected with steel construction main part, and the operation such as needs do the fire prevention through welding with the girder steel on the scene, and the construction is complicated, and the cost is higher, has certain potential safety hazard problem, has wasted a large amount of time, serious influence the construction progress on scene. And the problem of 'convex beam' can not be solved, and the indoor use space is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the prefabricated outer wall connecting node with the assembly type steel structure.
The purpose of the invention can be realized by the following technical scheme:
an assembly type steel structure prefabricated outer wall connecting node comprises a prefabricated outer wall, a floor slab, steel beams, outer wall embedded steel plates, U-shaped steel plates, connecting bolts, nuts and cast-in-place section embedded steel plates, wherein the prefabricated outer wall comprises an outer wall upper part and an outer wall lower part,
the steel beam is pre-embedded in the upper part of the outer wall, a top stud is fixedly arranged at the top of the steel beam and upwards penetrates out of the upper part of the outer wall, the upper part of the outer wall is integrally cast with the floor slab through the top stud, a cast-in-place section is formed between the upper part of the outer wall and the floor slab, a pre-embedded steel plate of the cast-in-place section is pre-embedded at the top of the cast-in-place section,
the embedded steel plate of the outer wall is embedded in the inner side face of the lower portion of the outer wall in a pre-embedding mode, bolt holes are formed in the embedded steel plate of the outer wall, the connecting bolts are embedded in the lower portion of the outer wall in a pre-embedding mode, penetrate out of the lower portion of the outer wall perpendicularly along the bolt holes, fixing through holes are formed in the U-shaped steel plate, the tail ends of the connecting bolts penetrate through the fixing through holes and then are in threaded connection with nuts, and the bottom face of the U-shaped steel plate is fixedly connected with the top face of the embedded steel plate of the cast-in-place section.
Preferably, the connection node further comprises a steel bar and an additional stirrup which are arranged in the lower portion of the outer wall, the steel bar is fixedly connected with the side face of the embedded steel plate of the outer wall, and the additional stirrup is hooped on the steel bar.
Preferably, two steel bars and two additional stirrups are arranged in the lower part of the outer wall.
Preferably, the connection node further comprises a bolt sleeve and a bolt arranged in the bolt sleeve, and the bolt sleeve is fixedly arranged on the inner side surface of the embedded steel plate of the outer wall.
Preferably, the connection node further comprises a hanging rib, the hanging rib is embedded in the cast-in-situ section, and the top of the hanging rib is fixedly connected with the bottom surface of the embedded steel plate of the cast-in-situ section.
Preferably, two hanging ribs are arranged in the cast-in-place section.
Preferably, a plurality of reinforcing studs are fixedly arranged on the side surface of the steel beam.
Preferably, a wall gap is formed between the upper part of the outer wall and the lower part of the outer wall, and a sealing assembly is arranged in the wall gap.
Preferably, the sealing assembly comprises waterproof glue, a foamed polyethylene rod, an air-tight strip and a fireproof layer which are arranged in sequence from outside to inside.
Preferably, the floor slab is one of a cast-in-place concrete floor slab or a composite floor slab.
Compared with the prior art, the invention has the following advantages:
(1) according to the invention, the prefabricated outer wall connecting nodes are utilized to embed the steel beams in the upper part of the outer wall in advance, and the top studs are utilized to pour the upper part of the outer wall and the floor slab, so that the steel beam structure is hidden in the prefabricated outer wall, operations such as fire prevention, rust prevention and the like are not required, the construction difficulty is low, the construction cost is effectively reduced, the construction efficiency is improved, and the indoor use space is improved;
(2) the connecting and fixing structure is based on the outer wall embedded steel plate, the U-shaped steel plate and the cast-in-place section embedded steel plate for connection and fixation, so that the connecting strength of the whole connecting node is high, the strength of the connecting structure is reinforced by using structures such as reinforcing steel bars, additional stirrups, hanging bars and the like, and the reliability of the connecting structure is improved;
(3) set up bolt sleeve and bolt, carry out the elevation to prefabricated outer wall in the work progress of being convenient for, effectively improve the efficiency of construction, simplify the site operation.
Drawings
FIG. 1 is an elevational view of the present invention;
FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a three-dimensional schematic view of a steel beam;
FIG. 5 is a three-dimensional schematic view of a U-shaped steel plate;
FIG. 6 is a three-dimensional schematic view of an outer wall pre-buried steel plate;
FIG. 7 is a three-dimensional schematic view of a hanger bar;
the prefabricated concrete outer wall comprises 1 a prefabricated outer wall, 101, an outer wall lower portion, 102, an outer wall upper portion, 2, a floor slab, 3, steel beams, 301, top studs, 302, reinforcing studs, 4, bolt sleeves, 401, bolts, 5, outer wall embedded steel plates, 501, connecting bolts, 502, nuts, 503, reinforcing steel bars, 6, additional stirrups, 7, U-shaped steel plates, 8, cast-in-place section embedded steel plates, 9, hanging ribs, 10, waterproof glue, 11, foamed polyethylene bars, 12, airtight strips, 13 and a fireproof layer.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiments is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiments.
Examples
The prefabricated outer wall connecting node with the assembly type steel structure is shown in figures 1-3 and comprises a prefabricated outer wall 1, a floor slab 2, steel beams 3, outer wall embedded steel plates 5, U-shaped steel plates 7, connecting bolts 501, nuts 502 and cast-in-place section embedded steel plates 8, wherein the prefabricated outer wall 1 comprises an outer wall upper portion 102 and an outer wall lower portion 101.
For the structure of the upper part 102 of the outer wall, as shown in fig. 4 and 7, a steel beam 3 is embedded in the upper part 102 of the outer wall, a plurality of reinforcing studs 302 are fixedly arranged on the side surface of the steel beam 3, a top stud 301 is fixedly arranged on the top of the steel beam 3, the top stud 301 penetrates out of the upper part 102 of the outer wall, the upper part 102 of the outer wall is integrally cast with the floor slab 2 through the top stud 301, a cast-in-place section is formed between the upper part 102 of the outer wall and the floor slab 2, a cast-in-place section embedded steel plate 8 is embedded in the top of the cast-in-place section, a plurality of hanging ribs 9 are embedded in the cast-in-place section, and the tops of the hanging ribs 9 are fixedly connected with the bottom surface of the cast-in-place section embedded steel plate 8.
For the structure of the lower part 101 of the outer wall, as shown in fig. 5 and 6, the outer wall pre-buried steel plate 5 is pre-buried in the inner side surface of the lower part 101 of the outer wall, bolt holes are formed in the outer wall pre-buried steel plate 5, connecting bolts 501 are pre-buried in the lower part 101 of the outer wall, the connecting bolts 501 vertically penetrate through the lower part 101 of the outer wall along the bolt holes, fixing through holes are formed in the U-shaped steel plate 7, the tail ends of the connecting bolts 501 penetrate through the fixing through holes and then are in threaded connection with nuts 502, the bottom surface of the U-shaped steel plate 7 is fixedly connected with the top surface of the pre-buried steel plate 8 of the cast-in-place section, reinforcing steel bars 503 and additional stirrups 6 are further arranged in the lower part 101 of the outer wall, the reinforcing steel bars 503 are fixedly connected with the side surfaces of the outer wall pre-buried steel plate 5 in a sticking and welding mode, and the additional stirrups 6 are hooped on the reinforcing steel bars 503. In this embodiment, two reinforcing bars 503 and two additional stirrups 6 are arranged in the lower part 101 of the outer wall.
In addition, in order to facilitate elevation passing of the prefabricated outer wall 1, the connecting node further comprises a bolt sleeve 4 and a bolt 401 arranged in the bolt sleeve 4, and the bolt sleeve 4 is perpendicularly fixed on the inner side surface of the outer wall embedded steel plate 5 in a double-sided welding mode.
In this embodiment, the floor 2 is one of a cast-in-place concrete floor 2 or a composite floor.
A wall joint is formed between the upper part 102 and the lower part 101 of the outer wall, a sealing assembly is arranged in the wall joint, the sealing assembly comprises waterproof glue 10, a foamed polyethylene rod 11, an airtight strip 12 and a fireproof layer 13 which are sequentially arranged from outside to inside, and the fireproof layer 13 is made of fireproof materials.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
1. An assembly type steel structure prefabricated outer wall connecting node is characterized by comprising a prefabricated outer wall (1), a floor slab (2), steel beams (3), outer wall embedded steel plates (5), U-shaped steel plates (7), connecting bolts (501), nuts (502) and cast-in-place section embedded steel plates (8), wherein the prefabricated outer wall (1) comprises an outer wall upper part (102) and an outer wall lower part (101),
the steel beam (3) is pre-buried in the upper part (102) of the outer wall, a top stud (301) is fixedly arranged at the top of the steel beam (3), the top stud (301) upwards penetrates out of the upper part (102) of the outer wall, the upper part (102) of the outer wall is integrally cast with the floor slab (2) through the top stud (301), a cast-in-situ section is formed between the upper part (102) of the outer wall and the floor slab (2), a pre-buried steel plate (8) of the cast-in-situ section is pre-buried at the top of the cast-in-situ section,
the embedded steel plate of the outer wall (5) is embedded in the inner side face of the lower portion (101) of the outer wall, bolt holes are formed in the embedded steel plate of the outer wall (5), the connecting bolts (501) are embedded in the lower portion (101) of the outer wall, the connecting bolts (501) vertically penetrate out of the lower portion (101) of the outer wall along the bolt holes, fixing through holes are formed in the U-shaped steel plate (7), the tail ends of the connecting bolts (501) penetrate through the fixing through holes and then are in threaded connection with the nuts (502), and the bottom face of the U-shaped steel plate (7) is fixedly connected with the top face of the embedded steel plate of the cast-in-place section (8).
2. The prefabricated exterior wall connecting node with the assembled steel structure of claim 1, further comprising a steel bar (503) and an additional stirrup (6) which are arranged in the lower portion (101) of the exterior wall, wherein the steel bar (503) is fixedly connected with the side surface of the embedded steel plate (5) of the exterior wall, and the additional stirrup (6) is hooped on the steel bar (503).
3. An assembled steel structure prefabricated exterior wall connection node according to claim 2, wherein two reinforcing bars (503) and two additional stirrups (6) are arranged in the lower portion (101) of the exterior wall.
4. The prefabricated exterior wall connecting node with the assembled steel structure of claim 1, wherein the connecting node further comprises a bolt sleeve (4) and a bolt (401) arranged in the bolt sleeve (4), and the bolt sleeve (4) is fixedly arranged on the inner side surface of the embedded steel plate (5) of the exterior wall.
5. The prefabricated exterior wall connecting node with the assembly type steel structure as claimed in claim 1, wherein the connecting node further comprises a hanging rib (9), the hanging rib (9) is embedded in the cast-in-place section, and the top of the hanging rib (9) is fixedly connected with the bottom surface of the embedded steel plate (8) of the cast-in-place section.
6. An assembled steel structure prefabricated exterior wall connecting node according to claim 5, wherein two hanging ribs (9) are arranged in the cast-in-place section.
7. An assembled steel structure prefabricated exterior wall connection node according to claim 1, wherein a plurality of reinforcing pegs (302) are fixedly arranged at the side of the steel beam (3).
8. An assembled steel structure prefabricated exterior wall connection node according to claim 1, wherein a wall gap is formed between the exterior wall upper portion (102) and the exterior wall lower portion (101), and a sealing assembly is arranged in the wall gap.
9. An assembled steel structure prefabricated exterior wall connecting node according to claim 8, wherein the sealing assembly comprises a waterproof glue (10), a foamed polyethylene rod (11), an air-tight strip (12) and a fire-proof layer (13) which are sequentially arranged from outside to inside.
10. An assembled steel structure prefabricated exterior wall connection node according to claim 1, wherein said floor slab (2) is one of a cast-in-place concrete floor slab (2) or a composite floor slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110440014.5A CN113175096A (en) | 2021-04-23 | 2021-04-23 | Prefabricated outer wall connected node of assembled steel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110440014.5A CN113175096A (en) | 2021-04-23 | 2021-04-23 | Prefabricated outer wall connected node of assembled steel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113175096A true CN113175096A (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110440014.5A Pending CN113175096A (en) | 2021-04-23 | 2021-04-23 | Prefabricated outer wall connected node of assembled steel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113175096A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802717A (en) * | 2021-09-10 | 2021-12-17 | 上海市建工设计研究总院有限公司 | Assembling method and structure of prefabricated external wall panel |
| US11598084B2 (en) * | 2019-09-20 | 2023-03-07 | Connect-Ez, Llc | Metal shear connector structure for adjacent concrete panels |
-
2021
- 2021-04-23 CN CN202110440014.5A patent/CN113175096A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11598084B2 (en) * | 2019-09-20 | 2023-03-07 | Connect-Ez, Llc | Metal shear connector structure for adjacent concrete panels |
| CN113802717A (en) * | 2021-09-10 | 2021-12-17 | 上海市建工设计研究总院有限公司 | Assembling method and structure of prefabricated external wall panel |
| CN113802717B (en) * | 2021-09-10 | 2023-10-03 | 上海市建工设计研究总院有限公司 | Assembling method and structure of prefabricated external wall panel |
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