CN112647628B - Assembled external parapet connected node - Google Patents
Assembled external parapet connected node Download PDFInfo
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- CN112647628B CN112647628B CN202011394412.XA CN202011394412A CN112647628B CN 112647628 B CN112647628 B CN 112647628B CN 202011394412 A CN202011394412 A CN 202011394412A CN 112647628 B CN112647628 B CN 112647628B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 239000011083 cement mortar Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 14
- 238000011161 development Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000005187 foaming Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding 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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
- E04B2/90—Curtain walls comprising panels directly attached to the structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6812—Compressable seals of solid form
-
- 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
- E04B2/88—Curtain walls
- E04B2/90—Curtain walls comprising panels directly attached to the structure
- E04B2/92—Sandwich-type panels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
The invention relates to an assembled type external parapet wall board connecting node, and belongs to the technical field of building components. The prefabricated L-shaped external parapet comprises an L-shaped prefabricated external parapet and a cast-in-place parapet, wherein a shear bolt is vertically embedded in the upper end of the cast-in-place parapet, one side of an anchor head of the shear bolt is embedded in the cast-in-place parapet, and one end of a bolt rod of the shear bolt extends upwards and is arranged in a vertical hole reserved on the inner side of a top eave; an L-shaped bent anchor bolt rod is embedded in the L-shaped prefabricated external parapet wall plate, extends out of the L-shaped prefabricated external parapet wall plate and is connected with an L-shaped steel sheet; the L-shaped prefabricated external parapet wall board is internally provided with a heat preservation layer which is concave, a groove is formed in the middle of the heat preservation layer, and an L-shaped bent anchor bolt rod is pre-embedded in the groove. The invention can effectively solve the problems of single connecting method of the top layer cladding of the existing parapet wall, complex construction measures of the roof panel connecting piece, high construction difficulty and low connecting efficiency.
Description
Technical Field
The invention relates to a connecting node, in particular to an assembled type external parapet connecting node, and belongs to the technical field of building components.
Background
At present, the national development is being changed from a high-speed development stage to a high-quality development stage, so that the assembly type building is promoted in the building industry. As an external wall panel in an outer enclosure system of an assembly type building, more and more building designers pursue due to the advantages of durability and convenience in maintenance. However, the research on the precast concrete exterior wall cladding in China is not sufficient, and the connection mode of the exterior cladding panels of the top of some parapet walls only provides a connection method, the roof surface layer is made into an L-shaped special structural form along the parapet walls and the top eaves of the exterior cladding panels, and the roof surface layer and the top eaves of the exterior cladding panels are connected in a bolting form, for example, the existing specification and CN106703306A disclose a precast concrete parapet wall member and a connection structure thereof. However, this approach has some problems: (1) The connection mode of the exterior wall cladding has high requirements on the structure of the roof panel in actual operation and is difficult to construct. (2) Although the exterior wall cladding is not a main bearing component, a large lateral force is easy to generate under the action of wind load and earthquake load, the roof panel with a special structure is connected to the top eaves of the top layer exterior cladding in a bolting mode, and when a large sudden load is generated, the weak part of the roof panel structure is easy to generate shearing damage. (3) The detailed structure of the concrete connecting part of the parapet wall external wall-hanging panel is not given. Due to the problems, the existing setting method cannot meet certain construction requirements, but now national economic development, the requirements of people on building functions and building surface attractiveness are increased, the requirements on connection forms of exterior cladding panels are increased, the safety requirements are increased, and the connection mode of the exterior cladding panels of the top layer of the parapet wall in the prior art cannot meet the current construction requirements.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an assembled type external parapet connecting node which supplements the connecting measures of the external hanging plate of the top layer of the parapet and is used for solving the problems that the connecting method of the external hanging plate of the top layer of the parapet is single, the construction measures of roof panel connecting pieces are complex, the construction difficulty is high and the connecting efficiency is low in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
an assembled type external parapet connecting node comprises an L-shaped prefabricated external parapet and a cast-in-place parapet, wherein a shear bolt is vertically embedded in the upper end of the cast-in-place parapet, one side of an anchor head of the shear bolt is embedded in the cast-in-place parapet, and one end of a bolt rod of the shear bolt extends out of the cast-in-place parapet upwards; a vertical hole is reserved on the inner side of the top eave of the L-shaped prefabricated external parapet, the bolt rod extending outwards on the cast-in-place parapet is arranged in the vertical hole, and grouting materials are filled in the vertical hole; leveling the joint between the cast-in-place parapet and the inner side of the top eaves by adopting cement mortar and filling the cement mortar with a polyphenyl material;
an L-shaped bent anchor bolt rod is embedded in the L-shaped prefabricated parapet board, the position of the L-shaped bent anchor bolt rod extending out of the L-shaped prefabricated parapet board is connected to one end of an L-shaped steel sheet in a bolting mode, and the other end of the L-shaped steel sheet is welded on a steel embedded part at the beam end in a surrounding mode; the extending end of the L-shaped bent anchor bolt rod and the bolt connecting member on the extending end are arranged in a reserved hole of the cast-in-place parapet, and repair mortar is poured into the reserved hole;
the L-shaped prefabricated external parapet wall plate is internally provided with a heat insulation layer, the heat insulation layer is concave, the thickness of the upper end and the lower end of the heat insulation layer is larger than the thickness of the middle of the heat insulation layer, a groove is formed in the middle of the heat insulation layer, and an L-shaped bent anchor bolt rod is pre-embedded in the position of the groove;
prefabricated externally-hung wallboard is installed to L type prefabricated externally-hung daughter's wallboard lower part, is formed with unsmooth assembly tank between the two, unsmooth assembly tank inboard is provided with the airtight strip of foaming chloroprene rubber, and the outside is provided with foaming polyethylene stick and building sealant.
Furthermore, the inner side of the beam end steel embedded part is welded with a vertical steel plate and hook steel bars, and the vertical steel plate and the hook steel bars are poured in the beam and welded with the profile steel in the beam to form weldable steel nodes.
Further, the hook reinforcing steel bars are arranged on the outer side of the vertical steel plate.
Further, the shear bolts are 1M16C grade bolts.
Further, the cement mortar adopted at the joint is M15 cement mortar.
Furthermore, the length of the L-shaped bent anchor bolt rod extending out of the L-shaped prefabricated external parapet is 60-100mm, and a gasket and double nuts are adopted to be bolted with one end of the L-shaped steel sheet, namely the gasket and the double nuts form the bolting component.
Furthermore, the L-shaped bent anchor bolt rod adopts an M20-Q235B bolt, and the height of the L-shaped bent anchor bolt rod embedded in the L-shaped prefabricated external parapet is 300-400mm.
Furthermore, an embedded plate is embedded in the L-shaped prefabricated external-hanging daughter wallboard, and the extending end of the L-shaped bent anchor bolt rod extends out of a hole in the middle of the embedded plate.
Furthermore, the side length of the embedded plate is 60-100mm, and the thickness of the embedded plate is 8-10mm.
Compared with the prior art, the invention has the following technical effects:
1. compared with the existing connection node of the parapet wall top layer cladding plate, the connection node and the process provided by the invention are mostly carried out during the prefabrication of the component, and the installation efficiency is high after the component reaches the site.
2. According to the invention, the external wall board is connected with the parapet through the bolts, and the external wall board embedded steel member is connected with the beam embedded steel member through welding and bolting, so that the safety of a connection mode can be ensured compared with the existing connection method with the parapet top layer external hanging plate.
3. More references are provided for the construction method of the connection of the external hanging plates in the prior art.
In conclusion, the invention improves the installation efficiency of the connection of the external hanging plate of the top layer of the parapet wall, provides more references for the construction method of the connection of the existing external hanging plate, ensures that the connection mode of the external hanging plate is more reliable, and has good development prospect.
Drawings
FIG. 1 is a schematic view of the connection of the assembled external parapet panel connection node of the present invention.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying fig. 1.
As shown in figure 1, the assembly type external parapet connecting node comprises an L-shaped prefabricated external parapet 1 and a cast-in-place parapet 2, wherein shear bolts 3 are vertically embedded in the upper end of the cast-in-place parapet 2, and the shear bolts 3 are 1M 16C-grade bolts. One side of the anchor head 31 of the shear bolt 3 is embedded in the cast-in-place parapet 2, and one end of the bolt rod 32 of the shear bolt 3 extends upwards to form the cast-in-place parapet 2. A vertical hole is reserved on the inner side of the top eave of the L-shaped prefabricated external parapet 1, a bolt rod 32 extending outwards on the cast-in-place parapet 2 is arranged in the vertical hole, and grouting materials 33 are filled in the vertical hole. The joints between the cast-in-place parapet 2 and the inner sides of the top eaves are leveled by M15 cement mortar 34 and filled with polyphenyl materials 35.
In this embodiment, an L-shaped curved anchor bolt rod 4,L is embedded in the L-shaped prefabricated parapet 1, and the position where the L-shaped curved anchor bolt rod 4 extends out of the L-shaped prefabricated parapet 1 is connected to one end of the L-shaped steel sheet 5 in a bolting manner, and the other end of the L-shaped steel sheet 5 is welded around a steel embedded part 6 at the beam end. The horizontal beam end steel embedded part 6 is welded with a vertical steel plate 9 and a hook steel bar 10 on the inner side, the vertical steel plate 9 and the hook steel bar 10 are poured in the beam and are welded with the section steel in the beam to form a weldable steel node. The hooked steel bars 10 are arranged on the outer side of the vertical steel plate 9. The extending end of the L-shaped curved anchor bolt rod 4 and a bolt member 7 on the extending end are arranged in a reserved hole of the cast-in-place parapet 2, and repair mortar 8 is poured in the reserved hole. The length of the L-shaped bent anchor bolt rod 4 extending out of the L-shaped prefabricated external parapet wall board 1 is 80mm, and the L-shaped bent anchor bolt rod and the L-shaped prefabricated external parapet wall board are bolted with one end of an L-shaped steel sheet 5 by adopting a gasket and double nuts, namely the gasket and the double nuts form a bolting component 7. An embedded plate 11 is also embedded in the L-shaped prefabricated external parapet wall plate 1, and the side length of the embedded plate 11 is 80mm and the thickness is 8mm. The extending end of the L-shaped bent anchor bolt rod 4 extends out of the middle hole of the embedded plate 11.
Wherein, the L-shaped prefabricated external parapet wall plate 1 is internally provided with a heat-insulating layer 12, the heat-insulating layer 12 is concave, the thickness of the upper end and the lower end is larger than the thickness of the middle part, a groove 13 is formed in the middle, and an L-shaped bent anchor bolt rod 4 is pre-embedded in the position of the groove 13. The L-shaped bent anchor bolt rod 4 adopts an M20-Q235B bolt, and the height of the L-shaped bent anchor bolt rod embedded in the L-shaped prefabricated external parapet wall plate 1 is 350mm.
The lower part of the L-shaped prefabricated external parapet board 1 is provided with a prefabricated external wallboard 14, a concave-convex assembly groove 15 is formed between the L-shaped prefabricated external parapet board and the prefabricated external wallboard, the inner side of the concave-convex assembly groove 15 is provided with a foamed chloroprene rubber airtight strip 16, and the outer side of the concave-convex assembly groove 15 is provided with a foamed polyethylene rod 17 and building sealant 18.
The above-mentioned embodiments are only given for the purpose of more clearly illustrating the technical solutions of the present invention, and are not meant to be limiting, and variations of the technical solutions of the present invention by those skilled in the art based on the common general knowledge in the art are also within the scope of the present invention.
Claims (1)
1. The utility model provides an assembled external parapet connected node, includes prefabricated external parapet of L type (1) and cast-in-place parapet (2), its characterized in that: shear bolts (3) are vertically embedded in the upper end of the cast-in-place parapet wall (2), one sides of anchor heads (31) of the shear bolts (3) are embedded in the cast-in-place parapet wall (2), and one ends of tie rods (32) of the shear bolts (3) extend out of the cast-in-place parapet wall (2) upwards; a vertical hole is reserved on the inner side of the top eave of the L-shaped prefabricated external parapet (1), the bolt rod (32) extending outwards on the cast-in-place parapet (2) is arranged in the vertical hole, and a grouting material (33) is filled in the vertical hole; the joint between the cast-in-place parapet wall (2) and the inner side of the top eave is leveled by cement mortar (34) and filled with a polyphenyl material (35);
an L-shaped bent anchor bolt rod (4) is embedded in the L-shaped prefabricated parapet board (1), the position of the L-shaped bent anchor bolt rod (4) extending out of the L-shaped prefabricated parapet board (1) is connected to one end of an L-shaped steel sheet (5) in a bolting mode, and the other end of the L-shaped steel sheet (5) is welded on a steel embedded part (6) at the beam end in a surrounding mode; the extending end of the L-shaped bent anchor bolt rod (4) and a bolt connecting member (7) on the extending end are arranged in a reserved hole of the cast-in-place parapet wall (2), and repair mortar (8) is poured into the reserved hole;
an insulating layer (12) is arranged in the L-shaped prefabricated parapet panel (1), the insulating layer (12) is concave, the thickness of the upper end and the lower end of the insulating layer is larger than that of the middle of the insulating layer, a groove (13) is formed in the middle of the insulating layer, and an L-shaped bent anchor bolt rod (4) is embedded in the position of the groove (13);
the lower part of the L-shaped prefabricated external-hanging daughter wallboard (1) is provided with a prefabricated external-hanging wallboard (14), a concave-convex assembly groove (15) is formed between the L-shaped prefabricated external-hanging daughter wallboard and the prefabricated external-hanging wallboard, the inner side of the concave-convex assembly groove (15) is provided with a foamed chloroprene rubber airtight strip (16), and the outer side of the concave-convex assembly groove is provided with a foamed polyethylene rod (17) and a building sealant (18);
the inner side of the horizontal beam end steel embedded part (6) is welded with a vertical steel plate (9) and a hook steel bar (10), and the vertical steel plate (9) and the hook steel bar (10) are poured in the beam and welded with the section steel in the beam to form a weldable steel node; the hook steel bars (10) are arranged on the outer side of the vertical steel plate (9);
the shear bolts (3) are 1M 16C-grade bolts;
the cement mortar (34) adopted at the joint is M15 cement mortar;
the length of the L-shaped bent anchor bolt rod (4) extending out of the L-shaped prefabricated external parapet wall board (1) is 60-100mm, and a gasket and double nuts are adopted to be bolted with one end of an L-shaped steel sheet (5), namely the gasket and the double nuts form the bolted component (7);
the L-shaped bent anchor bolt rod (4) adopts an M20-Q235B bolt, and the height of the L-shaped bent anchor bolt rod embedded in the L-shaped prefabricated external parapet (1) is 300-400mm;
an embedded plate (11) is also embedded in the L-shaped prefabricated external-hanging parapet board (1), and the extending end of the L-shaped bent anchor bolt rod (4) extends out of a hole in the middle of the embedded plate (11);
the side length of the embedded plate (11) is 60-100mm, and the thickness is 8-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011394412.XA CN112647628B (en) | 2020-12-01 | 2020-12-01 | Assembled external parapet connected node |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011394412.XA CN112647628B (en) | 2020-12-01 | 2020-12-01 | Assembled external parapet connected node |
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| Publication Number | Publication Date |
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| CN112647628A CN112647628A (en) | 2021-04-13 |
| CN112647628B true CN112647628B (en) | 2022-11-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114016638A (en) * | 2021-12-16 | 2022-02-08 | 南京长江都市建筑设计股份有限公司 | Double-layer self-heat-preservation autoclaved aerated concrete external wall panel connecting structure |
| CN115179416A (en) * | 2022-06-22 | 2022-10-14 | 中煤远大淮北建筑产业化有限公司 | Production method of decoration integrated prefabricated external wall panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106759935A (en) * | 2017-01-19 | 2017-05-31 | 香港华艺设计顾问(深圳)有限公司 | A kind of attachment structure of precast concrete exterior wall cladding |
| CN107905388A (en) * | 2017-11-03 | 2018-04-13 | 广厦建设集团有限责任公司 | A kind of waterproof method of precast concrete exterior wall cladding |
| CN208685813U (en) * | 2018-07-25 | 2019-04-02 | 龙诗丽 | A kind of plug-in parapet connecting node construction of clear-water concrete |
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