CN110107019A - A kind of combined type precast floor slab for assembled architecture - Google Patents
A kind of combined type precast floor slab for assembled architecture Download PDFInfo
- Publication number
- CN110107019A CN110107019A CN201910388474.0A CN201910388474A CN110107019A CN 110107019 A CN110107019 A CN 110107019A CN 201910388474 A CN201910388474 A CN 201910388474A CN 110107019 A CN110107019 A CN 110107019A
- Authority
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- China
- Prior art keywords
- load bearing
- prefabricated board
- floor slab
- precast floor
- concrete prefabricated
- Prior art date
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Classifications
-
- 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
- E04C2/2885—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 with the insulating material being completely surrounded by, or embedded in, a stone-like material, e.g. the insulating material being discontinuous
-
- 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
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/50—Self-supporting slabs specially adapted for making floors ceilings, or roofs, e.g. able to be loaded
-
- 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
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
Abstract
The invention discloses a kind of combined type precast floor slabs for assembled architecture, belong to assembled architecture technical field.The present invention includes concrete prefabricated board, the inside interval of the concrete prefabricated board is embedded with composite filled ring, it is provided with center between adjacent composite filled ring and draws anchor reinforcing bar system, enhancing load bearing beam is arranged at intervals on the inside of the concrete prefabricated board, enhance load bearing beam is internally provided with load bearing beam steel bar girder.The present invention effectively mitigates precast floor slab overall weight using composite filled ring, concreting amount and enhancing precast floor slab sound insulation, heat insulation are reduced simultaneously, draw anchor reinforced mesh and center that anchor reinforcing bar system, load bearing beam steel bar girder is drawn to form complete reinforcing steel support system, carry the workload of precast floor slab, a large amount of processes, artificial, cost, material and time are saved, prefabricated components workability and building total quality performance are improved.
Description
Technical field
The present invention relates to assembled architecture technical fields, more specifically to a kind of for the compound of assembled architecture
Formula precast floor slab.
Background technique
Assembled architecture refers to that with prefabricated component building made of assemble in site, feature includes several aspects: big
The building subassembly of amount is completed the process by Workshop Production；Complete the assembling work of prefabricated components in scene；Using building, finishing integration
Design, construction；Design standard, IT application in management；Meet green building requirement, current assembled architecture construction be primarily present as
Lower problem: 1, assembled architecture floor in construction site is all to add the way of field cast-in-place flooring to complete using prefabricated superimposed sheet.
Need basic curing period, need formwork and support system, need to reach design strength after could carry out follow-up work, the time and
Cost is the chief component of assembled architecture in-site installation phase, 2, the erector of the service sleeve slip casting partially used anchoring
Skill, there is also grout sleeve anchor bar positioning deficiency and length in reserve deficiency, slip casting anchoring is not firm, must reach injecting paste material
It is just able to satisfy Design cooling load requirement after design strength, more temporary support system is needed to be coupled, same occupancy is higher
Construction cost and the period, 3, the slip casting bush whorl connecting portion pull-out test of small dimension reinforcing steel application technology regulation is not achieved
Quality of connection requirement, 4, sleeve slip casting operation there is phenomena such as slip casting is not full, be unable to reach design anchoring strength requirement, it is above-mentioned
Problem mainly goes out in assembled architecture in-site installation connecting portion, causes assembled architecture total quality that can not be equal to cast-in-place build
It builds.
Summary of the invention
1. technical problems to be solved by the inivention
In view of the defects existing in the prior art with deficiency, the present invention provides a kind of combined type for assembled architecture is pre-
Floor processed for the more conventional floor slab construction of the present invention, is saved a large amount of processes, artificial, cost, material and time, can be substituted pre-
Superimposed sheet processed adds the construction technology of field cast-in-place flooring, changes the installation and connection method of existing prefabricated frame trestle, beam, plate, wall, mentions
High prefabricated components workability improves assembled architecture total quality performance.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of combined type precast floor slab for assembled architecture of the invention, including concrete prefabricated board, described is mixed
Be provided with frame beam at the marginal position of solidifying soil prefabricated board, the surface of frame beam is connected with frame steel hoop beam, frame beam with
The fixed binding of frame steel hoop beam, the inside interval of the concrete prefabricated board are embedded with composite filled ring, and adjacent answers
It closes and is provided with drawing anchor reinforcing bar system in center between ring type filling, the center draws anchor reinforcing bar system to be made of circular bar and C-shaped muscle,
The both ends of C-shaped muscle pass through circular bar, and adjacent center draws the junction of anchor reinforcing bar system to be provided with composite filled ball, and described is mixed
It is arranged at intervals with enhancing load bearing beam on the inside of solidifying soil prefabricated board, enhance load bearing beam is internally provided with load bearing beam steel bar girder；
The load bearing beam steel bar girder is connected by lower bands silk ship shape main reinforcement, the curved muscle of top master, dowel, reinforced bar straight thread
Female connector cylinder and reinforcing bar U-shaped connecting sleeve composition, lower bands silk ship shape main reinforcement are fixedly connected with the curved muscle of top master by dowel, on
One end of the curved muscle of portion master is connected with reinforcing bar U-shaped connecting sleeve, the other end and reinforced steel bar straight thread coupling sleeve spiral shell of the curved muscle of top master
Line connection, the side binding of load bearing beam steel bar girder, which is connected with, draws anchor reinforced mesh.
Further, the composite filled ring is made of outer housing and filled layer, and filled layer is filled in the interior of outer housing
Side, outer housing select highstrenghtpiston or PVC material to be made, and filled layer selects sound insulation, heat-insulation light material.
Further, the composite filled ball is made of outer layer sphere and internal obturator, is filled out on the inside of outer layer sphere
Filled with internal obturator.
Further, the described enhancing carrying depth of beam is equal to the thickness of concrete prefabricated board, enhancing load bearing beam with
The molding of concrete prefabricated board formed by integrally casting.
Further, the outside edge equidistant interval of the concrete prefabricated board offers frame and draws anchor hole, coagulation
It is provided with column interface notch at the angular position of native prefabricated board, column interface enhancing steel is fixedly installed on the outside of column interface notch
Plate.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
The present invention effectively mitigates precast floor slab overall weight using composite filled ring, while reducing concreting amount and increasing
Strong precast floor slab sound insulation, heat insulation, the end of load bearing beam steel bar girder by reinforced steel bar straight thread coupling sleeve with it is adjacent pre-
Corresponding reinforcing bar U-shaped connecting sleeve connection is integral in composite plate processed, it is ensured that the precast composite slab of entire floor is in width direction
It is upper all connection it is integral, can effectively reinforced assembly formula building overall stability and shock resistance, reach and be more than cast-in-place building
Face etc. strong demands, draw anchor reinforced mesh using high strength cast iron tensioning binding molding, with center draw anchor reinforcing bar system, load bearing beam
Steel bar girder forms complete reinforcing steel support system, carries the workload of precast floor slab, and device integrally can satisfy assembled
The process requirement of rigid connection and Fast Installation between building prefabricated components, achievees the purpose that assembled architecture quick assembling,
The investment for reducing site operation step, reducing auxiliary material reduces construction cost, shortens total period of constructing, and more conventional floor is applied
For work, a large amount of processes, artificial, cost, material and time are saved, prefabricated superimposed sheet can be substituted and add applying for field cast-in-place flooring
Work technique, the installation and connection method for changing existing prefabricated frame trestle, beam, plate, wall improve prefabricated components workability, improve dress
Total quality performance is built with formula.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is local connection effect figure of the invention；
Fig. 3 is composite filled ring structure figure of the invention；
Fig. 4 is that anchor reinforcing bar system main view is drawn at center of the invention；
Fig. 5 is that anchor reinforcing bar system top view is drawn at center of the invention；
Fig. 6 is composite filled chou composition of the invention；
Fig. 7 is load bearing beam steel bar girder structure chart of the invention.
In figure: 1, column interface notch；2, column interface enhances steel plate；3, frame beam；4, frame steel hoop beam；5, compound to fill out
Fill ring；51, outer housing；52, filled layer；6, anchor reinforcing bar system is drawn at center；61, circular bar；62, C-shaped muscle；7, composite filled ball；
71, outer layer sphere；72, internal obturator；8, enhance load bearing beam；9, load bearing beam steel bar girder；91, lower bands silk ship shape main reinforcement；
92, the curved muscle of top master；93, dowel；94, reinforced steel bar straight thread coupling sleeve；95, reinforcing bar U-shaped connecting sleeve；10, frame draws anchor
Hole；11, anchor reinforced mesh is drawn；12, concrete prefabricated board.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Embodiment 1
It can be seen that a kind of combined type precast floor slab for assembled architecture of the present embodiment, including coagulation from Fig. 1-7
Native prefabricated board 12, is provided with frame beam 3 at the marginal position of concrete prefabricated board 12, the generally solid core structure of frame beam 3 and mixed
Solidifying soil prefabricated board 12 pouring molding together, main function be to ensure that the overall stability of floor, ensure to reach with the precast beam that is connected,
Plate and wall form the function of high-intensitive connecting node, and the surface of frame beam 3 is connected with frame steel hoop beam 4, frame ring steel
Muscle beam 4 is formed by being no less than 4 ring muscle, and the selection of ring muscle specification should be arranged according to the size of prefabricated board and stress, adjacent side
Frame draws no less than 2 stirrups between anchor hole 10, and encryption setting, frame beam 3 and frame annular can be used in local ring muscle overlapping part
The fixed binding of reinforcing bar beam 4, the inside interval of concrete prefabricated board 12 are embedded with composite filled ring 5, and composite filled ring 5 is by outer housing
51 and filled layer 52 form, filled layer 52 is filled in the inside of outer housing 51, and outer housing 51 selects highstrenghtpiston or PVC material
It is made, filled layer 52 selects sound insulation, heat-insulation light material, and composite filled ring 5 effectively mitigates precast floor slab overall weight, subtracts simultaneously
Lack concreting amount and enhancing precast floor slab sound insulation, heat insulation, is provided with center between adjacent composite filled ring 5 and draws anchor
Reinforcing bar system 6, center draw anchor reinforcing bar system 6 to be made of circular bar 61 and C-shaped muscle 62, and the both ends of C-shaped muscle 62 pass through circular bar 61,
Adjacent center draws the junction of anchor reinforcing bar system 6 to be provided with composite filled ball 7, and composite filled ball 7 is by outer layer sphere 71 and interior
Portion's obturator 72 forms, and the inside of outer layer sphere 71 is filled with internal obturator 72, and composite filled ball 7 is filled in composite filled ring
The gap position of 5 connecting places, with auxiliary mitigate precast floor slab overall weight, reduce concreting amount and enhancing precast floor slab every
Sound, heat insulation, the inside of concrete prefabricated board 12 are arranged at intervals with enhancing load bearing beam 8, and enhancing load bearing beam 8 ensures the whole of floor
Body strength and stability, distribution spacing are arranged according to prefabricated board thickness requirement, entire area size, floow load, and enhancing is held
Carrier beam 8 is internally provided with load bearing beam steel bar girder 9, and the height of enhancing load bearing beam 8 is equal to the thickness of concrete prefabricated board 12,
Enhance load bearing beam 8 and 12 formed by integrally casting of concrete prefabricated board forms.
Load bearing beam steel bar girder 9 is the main stress part of prefabricated composite floor plate, generally steel bar girder structure, bar gauge choosing
It is determined with being calculated by prefabricated plate suqare and stress, manufacturer's standard executes steel bar girder related specification requirement, carries beam steel
Truss 9 is by lower bands silk ship shape main reinforcement 91, the curved muscle 92 of top master, dowel 93, reinforced steel bar straight thread coupling sleeve 94 and reinforcing bar U-shaped
Connecting sleeve 95 forms, and lower bands silk ship shape main reinforcement 91 is fixedly connected with the curved muscle 92 of top master by dowel 93, and top master is curved
One end of muscle 92 is connected with reinforcing bar U-shaped connecting sleeve 95, and reinforcing bar U-shaped connecting sleeve 95 meets the requirement of main reinforcement tension, whole to be broken
Pulling force should be not less than 1.5 times of the specified rupture pull force for being connected reinforcing bar, the other end and reinforced bar straight thread of the curved muscle 92 of top master
Sleeve 94 is connected to be threadedly coupled, the end of load bearing beam steel bar girder 9 by reinforced steel bar straight thread coupling sleeve 94 with it is adjacent prefabricated
Corresponding reinforcing bar U-shaped connecting sleeve 95 connects integral in composite plate, it is ensured that the precast composite slab of entire floor is in width direction
Upper all connections are integral, the overall stability and shock resistance of effective reinforced assembly formula building reach and are more than cast-in-place building
Face etc. strong demands, load bearing beam steel bar girder 9 side binding is connected with draw anchor reinforced mesh 11.
The outside edge equidistant interval of concrete prefabricated board 12 offers frame and draws anchor hole 10, and frame draws 10 diameter of anchor hole
Not less than 50mm, precast floor slab position corresponding with the reserved connection sleeve of dry wall, precast beam is set, anchor steel mesh is drawn
Piece 11 draws anchor hole 10 1 weeks around frame and is bent into domain shape, draws the whole of anchor reinforced mesh 11 to draw anchor intensity to enhance, slip casting is close
After reality, can effectively ensure the connection integrity of prefabricated board, wall, beam, reach and exceed cast-in-place walls etc. strong demands, draw anchor reinforcing bar
Mesh sheet 11 draws anchor reinforcing bar system 6, load bearing beam steel bar girder 9 to be formed completely using high strength cast iron tensioning binding molding with center
Reinforcing steel support system, carry the workload of precast floor slab, column interface be provided at the angular position of concrete prefabricated board 12
Notch 1, the outside of column interface notch 1 are fixedly installed column interface enhancing steel plate 2, and it is that steel plate cutting is pre- that column interface, which enhances steel plate 2,
Ironware processed each one piece up and down of notch, is symmetrical arranged with the mating setting of column interface notch 1, is welded with anchor fluke muscle and precast floor slab is bound
Reliably.
Before concrete prefabricated board 12 pours, column interface enhancing steel plate 2, frame steel hoop beam 4, composite filled is carried out in advance
Anchor reinforcing bar system 6, load bearing beam steel bar girder 9, the blanking production process for drawing anchor reinforced mesh 11 are drawn in ring 5 and center, complete bed die
After assembled acceptance(check) in place, mounting post interface enhances the lower monolithic of steel plate 2, then completes frame ring steel by conversion construction drawing
The positioning and binding work of muscle beam 4, carry out frame by prefabricated punch die and anchor hole 10 are drawn to position, start to draw anchor steel after the completion of positioning
The bottom sheet muscle of muscle mesh sheet 11 binds sizing, and bar gauge uses small dimension high intensity screw thread under the premise of meeting carrying as far as possible
Reinforcing bar after the completion of the bottom sheet for drawing anchor reinforced mesh 11, closes two blocks of cheek boards on length direction, two pieces of side modes will process steel in advance
The accurate preformed hole of muscle straight thread connecting sleeve 94 and reinforcing bar U-shaped connecting sleeve 95, after side mode positioning, installation carrying beam steel purlin
Frame 9 after the completion of load bearing beam steel bar girder 9 positions, is arranged composite filled ring 5 and anchor reinforcing bar system 6 is drawn at center, and composite filled
Composite filled ball 7 is arranged in 5 outside gap of ring, and composite filled ball 7 is fixed commonly through iron wire with anchor reinforced mesh 11 is drawn, prevented
Component 7 is subjected to displacement and hydro-planing when casting concrete, and is destroyed and reduced stress surface concrete thickness above-mentioned operation and complete
Afterwards, pre-buried by construction drawing, default electromechanical pipeline system after electromechanical pipeline is installed, starts installation and draws anchor reinforced mesh 11
Upper piece reinforcing bar, upper piece reinforcing bar will draw anchor reinforcing bar system 6, frame steel hoop beam 4 bind jail with load bearing beam steel bar girder 9, center
Gu being evenly distributed, then monolithic on mounting post interface enhancing steel plate 2, so far whole part installation positioning terminates, and closes width direction
Two side forms install stable support system suitable for reading additional, then complete the pouring, conserve of concrete prefabricated board 12, demoulding, repairing, reinspection,
The subsequent handlings such as factory verifying.
The present invention effectively mitigates precast floor slab overall weight using composite filled ring 5, at the same reduce concreting amount and
Enhance precast floor slab sound insulation, heat insulation, the end of load bearing beam steel bar girder 9 by reinforced steel bar straight thread coupling sleeve 94 with it is adjacent
Precast composite slab on corresponding reinforcing bar U-shaped connecting sleeve 95 connect it is integral, it is ensured that the precast composite slab of entire floor is in width
Degree direction on all connect it is integral, can effectively reinforced assembly formula building overall stability and shock resistance, reach and be more than
Cast-in-place walls etc. strong demands, draw anchor reinforced mesh 11 using high strength cast iron tensioning binding molding, with center draw anchor reinforcing system
System 6, load bearing beam steel bar girder 9 form complete reinforcing steel support system, carry the workload of precast floor slab, device integrally can
Meet the rigid connection between assembled architecture prefabricated components and the process requirement of Fast Installation, it is ensured that all prefabricated components energy pictures
Cast-in-place concrete structure equally meets bearing requirements, effectively changes between current assembled architecture prefabricated components using slip casting
The mounting means of anchoring and cast in situs connecting node avoids needing because of quality problems and cast-in-place node caused by slip casting is not full
The unfavorable factors such as certain curing cycle are wanted, achieve the purpose that assembled architecture quick assembling, site operation step is reduced, reduces
The investment of auxiliary material reduces construction cost, shortens total period of constructing, and the prefabricated small standard width of a room in an old-style house room of composite floor plate can take entirety
Prefabricated, large bay can be prefabricated with fragment, and more conventional floor overall weight reduces by 25%~50%, and sound insulation and heat insulation effect are more preferable,
Top and bottom molding effect can achieve the presentation quality of clear-water concrete, and floor bottom can save painting screed, directly scrape greasy
Sub- coating decorative layer, floor can cancel building ground floor layer, be mounted directly floor, stone material or epoxy coating layer, more conventional floor
A large amount of processes, artificial, cost, material and time are saved in construction, are a kind of more perfect green construction technique, can substitute prefabricated
Superimposed sheet adds the construction technology of field cast-in-place flooring, changes the installation and connection method of existing prefabricated frame trestle, beam, plate, wall, improves
Prefabricated components workability improves assembled architecture total quality performance.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (5)
1. a kind of combined type precast floor slab for assembled architecture, including concrete prefabricated board (12), it is characterised in that: described
Concrete prefabricated board (12) marginal position at be provided with frame beam (3), the surface of frame beam (3) is connected with frame ring steel
Muscle beam (4), frame beam (3) and frame steel hoop beam (4) are fixed to be bound, the inside interval of the concrete prefabricated board (12)
Be embedded with composite filled ring (5), be provided between adjacent composite filled ring (5) center draw anchor reinforcing bar system (6), it is described in
The heart draws anchor reinforcing bar system (6) to be made of circular bar (61) and C-shaped muscle (62), and the both ends of C-shaped muscle (62) pass through circular bar (61), phase
Adjacent center draws the junction of anchor reinforcing bar system (6) to be provided with composite filled ball (7), the concrete prefabricated board (12) it is interior
Side is arranged at intervals with enhancing load bearing beam (8), and enhancing load bearing beam (8) is internally provided with load bearing beam steel bar girder (9)；
The load bearing beam steel bar girder (9) by lower bands silk ship shape main reinforcement (91), the curved muscle of top master (92), dowel (93),
Reinforced steel bar straight thread coupling sleeve (94) and reinforcing bar U-shaped connecting sleeve (95) composition, lower bands silk ship shape main reinforcement (91) and top master
Curved muscle (92) is fixedly connected by dowel (93), and one end of the curved muscle of top master (92) is connected with reinforcing bar U-shaped connecting sleeve (95),
The other end of the curved muscle of top master (92) is threadedly coupled with reinforced steel bar straight thread coupling sleeve (94), the side of load bearing beam steel bar girder (9)
Side binding, which is connected with, draws anchor reinforced mesh (11).
2. a kind of combined type precast floor slab for assembled architecture according to claim 1, it is characterised in that: described
Composite filled ring (5) is made of outer housing (51) and filled layer (52), and filled layer (52) is filled in the inside of outer housing (51), outside
Shell (51) selects highstrenghtpiston or PVC material to be made, and filled layer (52) selects sound insulation, heat-insulation light material.
3. a kind of combined type precast floor slab for assembled architecture according to claim 1, it is characterised in that: described
Composite filled ball (7) is made of outer layer sphere (71) and internal obturator (72), and the inside of outer layer sphere (71) is filled with inside
Obturator (72).
4. a kind of combined type precast floor slab for assembled architecture according to claim 1, it is characterised in that: described
The height of enhancing load bearing beam (8) is equal to the thickness of concrete prefabricated board (12), enhances load bearing beam (8) and concrete prefabricated board
(12) formed by integrally casting forms.
5. a kind of combined type precast floor slab for assembled architecture according to claim 1, it is characterised in that: described
The outside edge equidistant interval of concrete prefabricated board (12) offers frame and draws anchor hole (10), and concrete prefabricated board (12) turns
Angular position is provided with column interface notch (1), and column interface enhancing steel plate (2) is fixedly installed on the outside of column interface notch (1).
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| CN201910388474.0A CN110107019B (en) | 2019-05-10 | 2019-05-10 | Composite prefabricated floor slab for prefabricated building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984402A (en) * | 2019-10-15 | 2020-04-10 | 王冬暄 | Built-in steel plate embedded combined type occlusion member for prefabricated concrete building |
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| GB9213921D0 (en) * | 1992-06-30 | 1992-08-12 | Hsu Cheng Hui | Reinforced and prefabricated construction panel |
| CN101818541A (en) * | 2010-06-04 | 2010-09-01 | 北京万科企业有限公司 | Precast composite wallboard with door/window holes and manufacturing method thereof |
| SE1450348A1 (en) * | 2014-03-26 | 2015-09-27 | Sto Scandinavia Ab | Prefabricated facade elements and process for manufacturing the same |
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| CN110107019B (en) | 2021-09-28 |
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