CN110468967A - The connecting node and construction method of the prefabricated cladding panel of super-big and overweight and main structure beam - Google Patents
The connecting node and construction method of the prefabricated cladding panel of super-big and overweight and main structure beam Download PDFInfo
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- CN110468967A CN110468967A CN201910748701.6A CN201910748701A CN110468967A CN 110468967 A CN110468967 A CN 110468967A CN 201910748701 A CN201910748701 A CN 201910748701A CN 110468967 A CN110468967 A CN 110468967A
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- 238000005253 cladding Methods 0.000 title claims abstract description 26
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 80
- 238000005553 drilling Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 14
- 210000003205 muscle Anatomy 0.000 claims description 17
- 239000004567 concrete Substances 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 9
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000015271 coagulation Effects 0.000 claims description 5
- 238000005345 coagulation Methods 0.000 claims description 5
- 238000009958 sewing Methods 0.000 claims description 5
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000007586 pull-out test Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000007580 dry-mixing Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 229910000746 Structural steel Inorganic materials 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000004321 preservation Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- E04B1/4114—Elements with sockets
- E04B1/4142—Elements with sockets with transverse hook- or loop-receiving parts
-
- 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
- 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
-
- 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
- E04B2001/4192—Connecting devices specially adapted for embedding in concrete or masonry attached to concrete reinforcing elements, e.g. rods or wires
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Panels For Use In Building Construction (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The medial surface top and bottom of a kind of connecting node and its construction method of the prefabricated cladding panel of super-big and overweight and main structure beam, prefabricated panel outwardly protrude to form connection bracket respectively；Connection bracket and prefabricated panel, which are integrated, pours forming；The connection bracket of lower prefabricated panel bottom is set on the upper surface of main structure beam, vertical drilling is respectively set in the two corresponding position, the top perforation connection bracket vertically to drill, bottom enter main structure beam, are filled and fixed with non-telescope grouting material after setting connection plug-in unit in vertical drilling；It is fixed between the vertical lateral surface of upper prefabricated panel connection bracket and the bottom surface of main structure beam by angle cleat.The configuration of the present invention is simple, it is easy for construction, both reduced the use of angle iron connecting piece, and had saved steel, and the security performance of prefabricated panel is greatly improved, while also effectively reducing difficulty of construction, improve the installation effectiveness of prefabricated panel.
Description
Technical field
The present invention relates to out-hung panel mounting technique fields, and in particular to a kind of prefabricated cladding panel of super-big and overweight and main body knot
The connecting node and construction method of structure beam.
Background technique
Precast concrete exterior wall cladding is mounted in main structure, rise go along with sb. to guard him, the non-bearing concrete of decoration function
Native Side fascia, exterior wall cladding can be divided into two kinds of steel concrete outer wall hanging plate, prestressed concrete exterior wall cladding by component construction
Form；By that can be divided into main structure connecting node construction, dot point is connect, line bearing connects two kinds of forms；It can by thermal retardation form
It is divided into three kinds of forms such as no heat preservation, external thermal insulation, sandwich heat preservation；Exterior-protecting wall panel and decorative wall can be divided by external wall functional localization
Plate.All kinds of exterior wall claddings can form integrated prefabricated board wall system according to requirement of engineering in conjunction with external decoration, heat preservation, door and window.
Currently, the main installation methods of precast concrete suspending board are to be connect with each setting two up and down with main structure beam
Angle steel, by high-strength bolt as the connection and support with main body, such mode is higher to the intensity requirement of supporting element.In addition,
Since exterior wall is made of multiple multilayer prefabricated panel units, in order to reach the flatness and verticality of design, use is such
Installation method is very high to the position accuracy demand of connector, therefore construction technical requirement is high, operating difficulties, and steel connector
Anti-corrosion measure etc. needs stringent control, not so easily generates larger security risk.
Summary of the invention
It is an object of that present invention to provide the connecting nodes and construction of a kind of prefabricated cladding panel of super-big and overweight and main structure beam
A kind of method, it is therefore intended that find new wallboard installation thinking, reduce operation and require, prefabricated panel is enable preferably to reach design
It is required that flatness and verticality, while reducing security risk, make the installation more safety and conveniently of prefabricated panel.
To realize the above-mentioned technical purpose, the present invention adopts the following technical scheme:
A kind of connecting node of super-big and overweight prefabricated cladding panel and main structure beam, including prefabricated panel and main structure beam, institute
Stating prefabricated panel includes upper prefabricated panel and lower prefabricated panel, it is characterised in that:
It outwardly protrudes to form the first connecting pin respectively at the top of the medial surface of the prefabricated panel, medial surface bottom outwardly protrudes to be formed
Second connection end；First connecting pin and second connection end and prefabricated panel, which are integrated, pours forming；
First connecting pin of the lower prefabricated panel bottom is set on the upper surface of main structure beam, and the two corresponding position is set respectively
Vertical drilling is set, top perforation the first installation bracket vertically to drill, bottom enters main structure beam, the vertical brill
It is filled and is fixed with non-telescope grouting material after setting connection plug-in unit in hole；
First connecting pin of the lower prefabricated panel is connect from side with main structure beam, and angle cleat is arranged between the two, institute
The vertical lateral surface of the vertical plate and the first connecting pin of stating angle cleat anchors, and the bottom surface of transverse slat and main structure beam is fixed.
As the preferred technical solution of the present invention, first connecting pin is two horizontally disposed first installation brackets,
Its top for being symmetrically set in prefabricated panel medial surface；The second connection end is two horizontally disposed second installation brackets, right
Claim the medial surface bottom for being set to prefabricated panel, the first installation bracket of the same side and the second installation bracket are vertically correspondingly arranged.
It is further preferred that the vertical foot of hole enters structural beams overall thickness based on the depth of main structure beam
1/3~2/3.
It is further preferred that the prefabricated panel is followed successively by finish coat, concrete layer and insulating layer from outer to inner, it is described mixed
Solidifying soil layer forms the first installation bracket and the second installation bracket in the medial surface corresponding position outwardly convex of prefabricated panel；Wherein,
Insulating layer is not coated on the outside of the second installation bracket, coats insulating layer on the outside of the first installation bracket.
It is further preferred that the horizontal span in first installation bracket vertical panel direction is 500~600mm, vertically
It is 150~250mm that direction coagulation, which coagulates the thickness of the layer,；The horizontal span in second installation bracket vertical panel direction is 200
~300mm, it is 150~250mm that vertical direction coagulation, which coagulates the thickness of the layer,；The horizontal span of the first installation bracket is greater than the
The horizontal span of two installation brackets.
It is further preferred that it is described first installation bracket and second installation bracket in be respectively equipped with welded connecting transverse bar and
Vertical muscle, the vertical muscle are U-shaped muscle, and the U-shaped muscle extends to form vertical company into wall close to the tail portion of prefabricated panel side
Socket part, the interconnecting piece are welded and fixed with the arrangement of reinforcement in prefabricated panel；The second installation bracket and prefabricated panel connecting portion
It is inside additionally provided with arch reinforcing rib, the arch reinforcing rib is welded and fixed with the arrangement of reinforcement in U-shaped muscle and prefabricated panel simultaneously.
It is further preferred that the connecting sewing between the bottom surface of the second installation bracket and the upper surface of main structure beam
It is inside provided with parallels, corresponding position offers preformed hole and passes through for connection plug-in unit among the parallels, the connecting sewing dry mixing
Mortar filling.
It is further preferred that the angle cleat includes vertical plate, transverse slat and the otic placode of two sides, the vertical plate is laid in first
It on the vertical lateral surface for installing bracket, and is fixed by high-strength bolt, under the transverse slat and main structure beam of the angle cleat
Underrun expansion bolt is fixed.
It is further preferred that the connection plug-in unit is stainless steel bolt, diameter range is 15~25mm, the vertical brill
The diameter range in hole is 20~40mm.
In addition, the present invention also provides the constructions of the prefabricated cladding panel of above-mentioned super-big and overweight and the connecting node of main structure beam
Method, which comprises the steps of:
Step 1: preparing prefabricated panel: according to the wallboard size determined, the first installation bracket and the second installation bracket position, system
Make prefabricated panel template, carry out concreting and conserve, finally lays finish coat and insulating layer respectively in two sides；
Step 2: the vertical drilling of setting and angle cleat: being opened respectively in the corresponding position of the second installation bracket and main structure beam
If vertical drilling, angle cleat is set in main structure beam bottom portion's corresponding position, angle cleat is fixed on master with expansion bolt
In body structural beams, but it not tighten；
Step 3: connection plug-in unit is in place: it will connect after plug-in unit mixes up position and be inserted into the vertical drilling of main structure beam, hole inseam
Gap is filled with non-telescope grouting material；
Step 4: the bonding strength test of connection plug-in unit and main structure beam: after the solidification of non-telescope grouting material, to connection plug-in unit
Sampling carries out pull-out test, is considered as qualification when load reaches 117.68KN and do not destroy, needs to construct again if unqualified, it is ensured that
The adhesion strength of connection plug-in unit and main structure beam meets the requirements；
Step 5: prefabricated panel lifts: hoisting prefabricated wallboard, the vertical drilling for first making prefabricated panel bottom second install bracket are worn
Connection plug-in unit is crossed, is respectively faced angle cleat and the first installation bracket main structure beam using expansion bolt and high-strength bolt
When fix, first will nut just twist, not tighten, adjust prefabricated panel position, confirmation position it is errorless after, tighten expansion bolt and height
Strength bolt；
Step 6: filled therewith: filling non-telescope grouting material of the same race, the second installation ox into the vertical drilling of the second installation bracket
Gap between leg and main structure beam is blocked with dry-mixed mortar；
Step 7: standing maintenance, so far, construction is completed.
Compared with prior art, the technical advantages of the present invention are that:
The present invention is when prefabricated panel processes, in the junction at the concrete back side and main structure, four brackets of outer stretching,
Lower part bracket size will be longer than top, so that lower part bracket to be placed in structural beams, to be with actual requirement when practice of construction
Standard, main structure beam correspond to the overhanging bracket in lower part be correspondingly connected at stay vertical drilling, when prefabricated panel lifts, its underpart
Two brackets stretched out are seated in the top of main structure beam, are respectively vertically connected with by a bolt, main as prefabricated panel
Support, top still uses Bolted angle connection prefabricated concrete board and main structure, so that the installation of prefabricated panel more safety and conveniently.
The configuration of the present invention is simple, it is easy for construction, both reduce the use of angle iron connecting piece, and saves steel, and significantly mention
The high security performance of prefabricated panel, while difficulty of construction is also effectively reduced, improve the installation effectiveness of prefabricated panel.
Detailed description of the invention
By made detailed description in conjunction with the following drawings, above-mentioned and/or other aspects of the invention and advantage will become
It becomes apparent from and is easier to understand, these attached drawings are only schematical, are not intended to limit the present invention, in which:
Fig. 1 is the structural schematic diagram of the connecting node of the prefabricated cladding panel of super-big and overweight of the present invention and main structure beam；
Fig. 2 is the structural schematic diagram of prefabricated panel of the present invention；
Fig. 3 is the inside arrangement of reinforcement schematic diagram of prefabricated panel of the present invention；
Fig. 4 is the structural schematic diagram of angle cleat of the present invention.
Appended drawing reference: 1- prefabricated panel, 1.1- first install bracket, 1.2- second installs bracket, 1.3- finish coat, 1.4-
Concrete slab, 1.5- insulating layer, 1.6-U shape muscle, 1.7- arch reinforcing rib, 2- main structure beam, 3- vertically drill, 4- connection is inserted
The non-telescope grouting material of part, 5-, 6- angle cleat, 6.1- vertical plate, 6.2- transverse slat, 6.3- otic placode, 7- parallels, 8- dry-mixed mortar, 9-
Expansion bolt, 10- high-strength bolt.
Specific embodiment
Hereinafter, the connection section of the prefabricated cladding panel of super-big and overweight of the invention Yu main structure beam is described with reference to the accompanying drawings
The embodiment of point and its construction method.
The embodiment recorded herein is specific specific embodiment of the invention, for illustrating design of the invention,
Be it is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Outside embodiment, those skilled in the art can also based on the claim of this application book and specification disclosure of that using aobvious and
The other technical solutions being clear to, these technical solutions include using any obvious to making for the embodiment recorded herein
The technical solution of substitutions and modifications.
The attached drawing of this specification is schematic diagram, aids in illustrating design of the invention, it is schematically indicated the shape of each section
And its correlation.It note that for the ease of clearly showing the structure of each component of the embodiment of the present invention, between each attached drawing
Do not drawn according to identical ratio.Identical reference marker is for indicating identical part.
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.Such as the company that Fig. 1 is super-big and overweight of the present invention prefabricated cladding panel and main structure beam
The structural schematic diagram of node is connect, connecting node includes prefabricated panel 1 and main structure beam 2 in figure, and prefabricated panel 1 includes upper prefabricated
The medial surface top of wallboard and lower prefabricated panel, such as Fig. 2, prefabricated panel 1 outwardly protrudes to form the first connecting pin, medial surface respectively
Bottom outwardly protrudes to form second connection end；First connecting pin and second connection end can be continuous protrusion crossbeam, can also be with
For other forms, the present embodiment preferably the first connecting pin is two independent, horizontally disposed first installation brackets 1.1, right
Claim the top for being set to 1 medial surface of prefabricated panel；Second connection end is two horizontally disposed second installation brackets 1.2, is symmetrically set
In the medial surface bottom of prefabricated panel 1, the first installation bracket 1.1 of the same side and the second installation bracket 1.2 are vertically correspondingly arranged.
First installation bracket 1.1 and the second installation bracket 1.2 and prefabricated panel 1 are integrated and pour forming；Prefabricated panel 1 from outer to inner according to
It is secondary be finish coat 1.3, concrete layer 1.4 and insulating layer 1.5, concrete layer 1.4 prefabricated panel 1 medial surface corresponding position to
Outer lug forms the first installation bracket 1.1 and the second installation bracket 1.2；Wherein, 1.2 outside of the second installation bracket does not coat heat preservation
Layer 1.5, first installs cladding insulating layer 1.5 on the outside of bracket 1.1.
Wherein, the horizontal span in first installation, 1.1 vertical panel direction of bracket is 550mm, and vertical direction coagulation is solidifying
The thickness of the layer is 200mm；The horizontal span in second installation, 1.2 vertical panel direction of bracket is 250mm, and vertical direction is mixed
Solidifying the thickness of the layer is 200mm；The horizontal span of first installation bracket 1.1 is greater than the horizontal span of the second installation bracket 1.2,
It is fixedly connected with the first installation bracket 1.1 with main structure beam 2 from side, and the second installation bracket 1.2 rides upon main structure
On 2 upper surface of beam.
Such as Fig. 3, in arrangement of reinforcement arrangement, 1 arrangement of reinforcement of prefabricated panel is normally arranged, in the first installation bracket 1.1 and the second installation
The transverse bar and vertical muscle of welded connecting are set in bracket 1.2 respectively, transverse bar length and bracket corresponding direction length are adapted, the vertical muscle
For U-shaped muscle 1.6, the lateral arrangement in vertical section of U-shaped muscle 1.6, the head far from 1 side of prefabricated panel is closed end, close
The supporting leg of tail portion two of 1 side of prefabricated panel into wall above or below extend to form vertical interconnecting piece, the interconnecting piece
It is welded and fixed with the arrangement of reinforcement in prefabricated panel 1；Arch is additionally provided in the second installation bracket 1.2 and 1 connecting portion of prefabricated panel
Shape reinforcing rib 1.7, the arch reinforcing rib 1.7 are welded and fixed with the arrangement of reinforcement in U-shaped muscle 1.6 and prefabricated panel 1 simultaneously.All steel
Muscle all selects grade III steel, proof strength.
Second installation bracket 1.2 of upper prefabricated panel bottom is set on the upper surface of main structure beam 2, the two corresponding position
Vertical drilling 3 is respectively set, as the support tie point with structure, top perforation the first installation bracket 1.1 of vertical drilling 3,
Its bottom enters main structure beam 2, the 1/3~2/3 of 2 overall thickness of structural beams based on drilling depth.Setting connects in vertical drilling 3
It is filled and is fixed with non-telescope grouting material 5 after connector 4；Connection plug-in unit 4 be stainless steel bolt, diameter range 20mm, vertically
The diameter range of drilling 3 is 30mm.Connection between the bottom surface of second installation bracket 1.2 and the upper surface of main structure beam 2
Parallels 7 is provided in seam, the intermediate corresponding position of parallels 7 offers preformed hole and passes through for connection plug-in unit 4, connecting sewing dry-mixed mortar
8 fillings.
First installation bracket 1.1 of lower prefabricated panel is connect from side with main structure beam 2, and joint angle is arranged between the two
The vertical lateral surface of steel 6, the vertical plate of angle cleat 6 and the first connecting pin anchors, and the bottom surface of transverse slat and main structure beam 2 is fixed.
Such as Fig. 4, angle cleat 6 includes the otic placode 6.3 of vertical plate 6.1, transverse slat 6.2 and two sides, and vertical plate is laid in the first installation bracket 1.1
On vertical lateral surface, and it is fixed by high-strength bolt 10, and the transverse slat of angle cleat 6 passes through swollen with the bottom surface of main structure beam 2
Swollen bolt 9 is fixed
The prefabricated cladding panel of above-mentioned super-big and overweight and the construction method of the connecting node of main structure beam include the following steps:
Step 1: preparing prefabricated panel 1: according to the wallboard size determined, the first installation bracket 1.1 and the second installation bracket 1.2
Position makes prefabricated panel template, carries out concreting and conserves, and finally lays finish coat 1.3 and heat preservation respectively in two sides
Layer 1.5；
Step 2: the vertical drilling 3 of setting and angle cleat 6: in the corresponding position of the second installation bracket 1.2 and main structure beam 2
Vertical drilling 3 is opened up respectively, angle cleat 6 is set in 2 bottom corresponding position of main structure beam, with expansion bolt 9 by joint angle
Steel 6 is fixed on main structure beam 2, but not tightened；
Step 3: connection plug-in unit 4 is in place: it will connect after plug-in unit 4 mixes up position and be inserted into the vertical drilling 3 of main structure beam 2, hole
Interior gap is filled with non-telescope grouting material 5；
Step 4: the bonding strength test of connection plug-in unit 4 and main structure beam 2: after the solidification of non-telescope grouting material 5, to connection
The sampling of plug-in unit 4 carries out pull-out test, is considered as qualification when load reaches 117.68KN and do not destroy, needs to apply again if unqualified
Work, it is ensured that connection plug-in unit 4 and the adhesion strength of main structure beam 2 meet the requirements；
Step 5: prefabricated panel 1 lifts: hoisting prefabricated wallboard 1 first makes the vertical of 1 bottom second of prefabricated panel installation bracket 1.2
Drilling 3 passes through connection plug-in unit 4, using expansion bolt 9 and high-strength bolt 10 respectively by angle cleat 6 with first install bracket 1.1,
Main structure beam 2 is fixed temporarily, and is first just twisted nut, not tightened, and 1 position of prefabricated panel is adjusted, and confirmation position is errorless
Afterwards, expansion bolt 9 and high-strength bolt 10 are tightened；
Step 6: filled therewith: non-telescope grouting material 5 of the same race is filled in 3 to vertical drill of the second installation bracket 1.2, second
The gap installed between bracket 1.2 and main structure beam 2 is blocked with dry-mixed mortar 8；
Step 7: standing maintenance, so far, construction is completed.
The present invention is outer to stretch out four in the junction at the concrete back side and main structure when prefabricated panel processes
Bracket, lower part bracket size will be longer than top, so that lower part bracket to be placed in structural beams, with actual requirement when practice of construction
Subject to, main structure beam correspond to the overhanging bracket in lower part be correspondingly connected at stay vertical drilling, when prefabricated panel lifts, under
Two brackets that portion is stretched out are seated in the top of main structure beam, are respectively vertically connected with by a bolt, as prefabricated panel master
It supports, top still uses Bolted angle connection prefabricated concrete board and main structure, so that the installation of prefabricated panel more safety and side
Just.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of connecting node of super-big and overweight prefabricated cladding panel and main structure beam, including prefabricated panel (1) and main structure
Beam (2), the prefabricated panel (1) include upper prefabricated panel and lower prefabricated panel, it is characterised in that:
It outwardly protrudes to form the first connecting pin respectively at the top of the medial surface of the prefabricated panel (1), medial surface bottom outwardly protrudes
Form second connection end；First connecting pin and second connection end and prefabricated panel (1), which are integrated, pours forming；
The second connection end of the upper prefabricated panel bottom is set on the upper surface of main structure beam (2), the two corresponding position point
It She Zhi not drill (3) vertically, the first installation bracket (1.1) of top perforation of the vertical drilling (3), bottom enters main body knot
Structure beam (2), interior setting connection plug-in unit (4) of the vertical drilling (3) is filled with non-telescope grouting material (5) afterwards fixes；
First connecting pin of the lower prefabricated panel is connect from side with main structure beam (2), and angle cleat is arranged between the two
(6), the vertical plate of the angle cleat (6) and the vertical lateral surface of the first connecting pin anchor, the bottom of transverse slat and main structure beam (2)
Face is fixed.
2. the connecting node of a kind of super-big and overweight prefabricated cladding panel and main structure beam according to claim 1, feature
Be: first connecting pin is two horizontally disposed first installations bracket (1.1), is symmetrically set in prefabricated panel (1)
The top of side；The second connection end is two horizontally disposed second installations bracket (1.2), is symmetrically set in prefabricated panel
(1) medial surface bottom, first installation bracket (1.1) and the second installation bracket (1.2) of the same side are vertically correspondingly arranged.
3. the connecting node of a kind of super-big and overweight prefabricated cladding panel and main structure beam according to claim 2, feature
Be: described vertical drilling (3) bottom enters 1/3~2/ of structural beams (2) overall thickness based on the depth of main structure beam (2)
3。
4. the connecting node of a kind of super-big and overweight prefabricated cladding panel and main structure beam according to claim 2, feature
Be: the prefabricated panel (1) is followed successively by finish coat (1.3), concrete layer (1.4) and insulating layer (1.5) from outer to inner, described
Concrete layer (1.4) forms the first installation bracket (1.1) and second in the medial surface corresponding position outwardly convex of prefabricated panel (1)
It installs bracket (1.2)；Wherein, it is not coated insulating layer (1.5) on the outside of second installation bracket (1.2), the first installation ox
Insulating layer (1.5) are coated on the outside of leg (1.1).
5. the connecting node of a kind of super-big and overweight prefabricated cladding panel and main structure beam according to claim 2, feature
Be: the horizontal span in first installation bracket (1.1) vertical panel direction is 500~600mm, the solidifying soil of vertical direction coagulation
Layer with a thickness of 150~250mm；The horizontal span in second installation bracket (1.2) vertical panel direction is 200~300mm,
It is 150~250mm that vertical direction coagulation, which coagulates the thickness of the layer,；The horizontal span of first installation bracket (1.1) is greater than second
The horizontal span of bracket (1.2) is installed.
6. the connecting node of a kind of super-big and overweight prefabricated cladding panel and main structure beam according to claim 2, feature
It is: is respectively equipped with the transverse bar and vertical muscle of welded connecting in first installation bracket (1.1) and the second installation bracket (1.2),
The vertical muscle is U-shaped muscle (1.6), and the U-shaped muscle (1.6) extends to form close to the tail portion of prefabricated panel (1) side into wall
Vertical interconnecting piece, the interconnecting piece are welded and fixed with the arrangement of reinforcement in prefabricated panel (1)；It is described second installation bracket (1.2) with
Be additionally provided with arch reinforcing rib (1.7) in prefabricated panel (1) connecting portion, the arch reinforcing rib (1.7) simultaneously with U-shaped muscle
(1.6) it is welded and fixed with the arrangement of reinforcement in prefabricated panel (1).
7. the connecting node of a kind of super-big and overweight prefabricated cladding panel and main structure beam according to claim 2, feature
It is: is provided in the connecting sewing between the bottom surface of second installation bracket (1.2) and the upper surface of main structure beam (2)
Parallels (7), the intermediate corresponding position of the parallels (7) offer preformed hole and pass through for connection plug-in unit (4), the connecting sewing dry mixing
Mortar (8) filling.
8. the connecting node of a kind of super-big and overweight prefabricated cladding panel and main structure beam according to claim 2, feature
Be: the angle cleat (6) includes the otic placode (6.3) of vertical plate (6.1), transverse slat (6.2) and two sides, and the vertical plate is laid in
On the vertical lateral surface of one installation bracket (1.1), and fixed by high-strength bolt (10), the transverse slat of the angle cleat (6) with
The bottom surface of main structure beam (2) is fixed by expansion bolt (9).
9. the connecting node of a kind of super-big and overweight prefabricated cladding panel and main structure beam according to claim 2, feature
Be: the connection plug-in unit (4) is stainless steel bolt, and diameter range is 15~25mm, the diameter model of the vertical drilling (3)
It encloses for 20~40mm.
10. the connecting node of super-big and overweight prefabricated cladding panel and main structure beam described in a kind of claim 2-9 any one
Construction method, which comprises the steps of:
Step 1: preparing prefabricated panel (1): according to the wallboard size determined, the first installation bracket (1.1) and the second installation bracket
(1.2) position makes prefabricated panel template, carries out concreting and conserves, finally lays finish coat (1.3) respectively in two sides
With insulating layer (1.5)；
Step 2: the vertical drilling (3) of setting and angle cleat (6): installing bracket (1.2) and main structure beam (2) second
Corresponding position opens up vertical drilling (3) respectively, angle cleat (6) is arranged in main structure beam (2) bottom corresponding position, with expansion
Angle cleat (6) is fixed on main structure beam (2) by bolt (9), but not tightened；
Step 3: connection plug-in unit (4) is in place: connection plug-in unit (4) is mixed up to the vertical drilling of insertion main structure beam (2) behind position
(3) in, gap is filled with non-telescope grouting material (5) in hole；
Step 4: the bonding strength test of connection plug-in unit (4) and main structure beam (2): after non-telescope grouting material (5) solidification,
Non-destructive pull-out test is carried out to connection plug-in unit (4) sampling, it is ensured that connection plug-in unit (4) and the bonding of main structure beam (2) are strong
Degree meets the requirements；
Step 5: prefabricated panel (1) lifts: hoisting prefabricated wallboard (1) first makes prefabricated panel (1) bottom second install bracket
(1.2) vertical drilling (3) passes through connection plug-in unit (4), using expansion bolt (9) and high-strength bolt (10) respectively by angle cleat
(6) it is fixed temporarily with the first installation bracket (1.1), main structure beam (2), first nut is just twisted, not tightened, adjustment is pre-
Expansion bolt (9) and high-strength bolt (10) are tightened after confirmation position is errorless in wallboard (1) position processed；
Step 6: filled therewith: the filling non-telescope grouting material of the same race into the vertical drilling (3) of the second installation bracket (1.2)
(5), the gap between the second installation bracket (1.2) and main structure beam (2) is blocked with dry-mixed mortar (8)；
Step 7: standing maintenance, so far, construction is completed.
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| CN116950289A (en) * | 2023-07-25 | 2023-10-27 | 秦皇岛市政建材集团有限公司 | Passive PC external wall panel connecting structure with building modeling and mounting method |
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