CN111101630A - Method for manufacturing laminated slab for building and prefabricated laminated slab concrete building block - Google Patents
Method for manufacturing laminated slab for building and prefabricated laminated slab concrete building block Download PDFInfo
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- CN111101630A CN111101630A CN201811259799.0A CN201811259799A CN111101630A CN 111101630 A CN111101630 A CN 111101630A CN 201811259799 A CN201811259799 A CN 201811259799A CN 111101630 A CN111101630 A CN 111101630A
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- concrete
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
- E04C1/39—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra
- E04C1/397—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra serving for locating conduits
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Abstract
The invention provides a method for manufacturing a laminated slab for a building and a prefabricated laminated slab concrete block. The manufacturing method of the laminated slab for the building comprises the following steps of (1) prefabricating a laminated slab concrete block; the prefabricated laminated plate concrete building block comprises a concrete bottom plate, wherein reinforcing steel bar grooves used for placing reinforcing steel bars are arranged on the concrete bottom plate in a longitudinal and transverse crossed mode, and two ends of each reinforcing steel bar groove extend to the edge of the concrete bottom plate; (2) combining the prefabricated superposed plate concrete blocks into a whole template one by one; (3) laying steel bars in steel bar grooves of the prefabricated laminated slab concrete building blocks; (4) and casting the concrete to the elevation position to form the laminated slab. A prefabricated laminated concrete block comprises a concrete bottom plate, wherein reinforcing steel bar grooves used for placing reinforcing steel bars are arranged on the concrete bottom plate in a longitudinal and transverse crossed mode, and two ends of each reinforcing steel bar groove extend to the edge of the concrete bottom plate. The invention changes the construction method of the prior building floor slab, simplifies the construction process and saves the construction cost.
Description
Technical Field
The invention belongs to the field of buildings, and particularly relates to a manufacturing method of a laminated slab for buildings and a prefabricated laminated slab concrete block.
Background
At present, the market of multi-story and high-rise buildings in China is huge, most of construction methods are cast-in-place reinforced concrete structures, the construction of a floor slab also adopts a method of cast-in-place reinforced concrete, and the construction method needs building a building template firstly, the building template is flat, reinforcing steel bar cushion blocks are placed on the building template, and reinforcing steel bars are laid on the reinforcing steel bar cushion blocks. The rebar also needs to be tied and secured in place. And finally, pouring concrete, and curing and forming. After casting, the building formwork needs to be removed. The construction method wastes a large number of building templates and a large number of steel bar cushion blocks, and also needs to consume a large number of manual steel bar binding, so that the construction is difficult.
Disclosure of Invention
The invention aims to provide a method for manufacturing a laminated slab for a building, which is simple and convenient to construct, and a prefabricated laminated slab concrete building block.
The object of the invention is achieved in the following way: the manufacturing method of the laminated slab for the building comprises the following steps: (1) prefabricating superposed slab concrete blocks; the prefabricated laminated plate concrete building block comprises a concrete bottom plate, wherein reinforcing steel bar grooves used for placing reinforcing steel bars are arranged on the concrete bottom plate in a longitudinal and transverse crossed mode, and two ends of each reinforcing steel bar groove extend to the edge of the concrete bottom plate; (2) combining the prefabricated superposed plate concrete blocks into a whole template one by one; (3) laying steel bars in steel bar grooves of the prefabricated laminated slab concrete building blocks; (4) and casting the concrete to the elevation position to form the laminated slab.
After the reinforcing steel bars are laid in the reinforcing steel bar grooves, placing hollow internal molds with hollow interiors and closed exteriors on the prefabricated laminated slab concrete building blocks; (4) and casting concrete to the elevation position to form the hollow laminated slab.
The hollow internal mold comprises a cylindrical internal mold, supporting building blocks are arranged at two ends of the cylindrical internal mold respectively, and the supporting building blocks and the cylindrical internal mold form a hollow structure; the prefabricated laminated plate concrete building block is characterized in that the periphery of the prefabricated laminated plate concrete building block is provided with a convex block, the bottom of the supporting building block is provided with a groove matched with the convex block, and the convex block and the supporting building block are connected through the convex block and the groove.
Concrete bottom plate border sets up tenon fourth of twelve earthly branches structure, and prefabricated coincide board concrete block connects one to make up into the monoblock template through tenon fourth of twelve earthly branches structure.
Vertical short steel bars are arranged on the prefabricated laminated plate concrete building blocks and combined with cast-in-place concrete after casting.
The short reinforcing steel bars are arranged at the intersections of the longitudinal reinforcing steel bar grooves and the vertical reinforcing steel bar grooves,
a prefabricated laminated concrete block comprises a concrete bottom plate, wherein reinforcing steel bar grooves used for placing reinforcing steel bars are arranged on the concrete bottom plate in a longitudinal and transverse crossed mode, and two ends of each reinforcing steel bar groove extend to the edge of the concrete bottom plate.
The concrete bottom plate border sets up the tenon fourth of the twelve earthly branches structure of being connected the auto-lock with other prefabricated coincide board concrete block.
The periphery of the prefabricated superposed slab concrete block is provided with a convex block, the convex block is provided with a supporting block which is matched and connected with the convex block through a bottom groove, and a cylindrical inner mold is arranged between two supporting blocks at corresponding positions of two opposite sides of the prefabricated superposed slab concrete block; the supporting building blocks and the cylindrical internal mold form a hollow structure.
Vertical short steel bars which are combined with cast-in-place concrete after being cast are arranged at the intersections of the longitudinal steel bar grooves and the vertical steel bar grooves on the prefabricated laminated plate concrete building blocks.
The invention has the beneficial effects that: the invention changes the construction method of the prior building floor slab. The prefabricated laminated plate concrete building block with the reinforcing steel bar grooves distributed longitudinally and transversely is used, and reinforcing steel bars do not need to be bound. After casting is completed, the prefabricated composite plate concrete building blocks are called a part of a floor slab and do not need to be dismantled. The technology not only ensures the safety and reliability of the floor slab, but also saves the building templates and the concrete cushion blocks in the floor slab construction process, cancels the steel bar binding link in the construction link, achieves the aim of simplifying the construction process, ensures the construction to be simple and easy, saves the construction cost and improves the working efficiency. The hollow composite slab can be manufactured by arranging the hollow internal mold on the prefabricated composite slab concrete building block and then casting.
Drawings
Figure 1 is a top view of a precast laminated slab concrete block.
Fig. 2 is a view from a-a of fig. 1.
Fig. 3 is a view from the direction B-B of fig. 1.
Fig. 4 is a perspective view of a precast laminated slab concrete block (another embodiment).
Fig. 5 is a schematic view of a combination of a plurality of precast laminated concrete blocks.
Fig. 6 is a schematic diagram of fig. 5 after the steel bars are laid.
Fig. 7 is a front view of the hollow inner mold. Fig. 8 is a side view of fig. 7.
Fig. 9 is a perspective view of the hollow inner mold.
Fig. 10 is a schematic diagram of laying the hollow internal molds and the negative bars of the floor slabs (hidden prefabricated composite slab concrete blocks) in fig. 6.
Fig. 11 is a schematic diagram of laying a hollow internal mold (hidden steel bars) for the prefabricated laminated plate concrete block.
Fig. 12 is a view from direction C-C of fig. 11.
Wherein 1 is prefabricated superimposed sheet concrete block, 2 is concrete bottom plate, 3 is the reinforcing bar groove, 4 is tenon fourth of twelve earthly branches structure, 5 is the reinforcing bar, 6 is the tube-shape centre form, 7 is the support block, 8 is the lug, 9 is the short steel bar, 10 is the negative muscle.
Detailed Description
As shown in fig. 1 to 10, a method for manufacturing a laminated slab for construction includes the steps of: (1) prefabricating a superposed slab concrete block 1; the prefabricated laminated plate concrete building block 1 comprises a concrete bottom plate 2, wherein reinforcing steel bar grooves 3 which are used for placing reinforcing steel bars and are longitudinally and transversely arranged in a crossed mode are formed in the concrete bottom plate 2, and two ends of each reinforcing steel bar groove 3 extend to the edge of the concrete bottom plate 2; (2) combining the prefabricated superposed plate concrete blocks 1 into a whole template one by one; (3) laying steel bars 5 in steel bar grooves 3 of the prefabricated laminated plate concrete building blocks 1; (4) and casting the concrete to the elevation position to form the laminated slab. The prefabricated laminated slab concrete block 1 includes a general standard block and non-standard blocks of various planar sizes. The concrete bottom plate 2 is a cuboid, and tenons are arranged on four sides. The four sides of the whole template are wall surfaces or beams. The tendon ducts 3 are preferably evenly distributed. The prefabricated laminated plate concrete building block 1 with the reinforcing steel bar grooves 3 distributed longitudinally and transversely is used, and reinforcing steel bars do not need to be bound. After the casting is finished, the prefabricated composite plate concrete building block 1 becomes a part of a floor slab and does not need to be dismantled. The technology not only ensures the safety and reliability of the floor slab, but also saves the building templates and the concrete cushion blocks in the floor slab construction process, cancels the steel bar binding link in the construction link, achieves the aim of simplifying the construction process, ensures the construction to be simple and easy, saves the construction cost and improves the working efficiency.
The edge of the concrete bottom plate 2 can be provided with a tenon-and-mortise structure 4, and the adjacent prefabricated superposed slab concrete building blocks 1 are combined together through the tenon-and-mortise structure 4, and other combination methods can be adopted.
After the reinforcing steel bars 5 are laid in the reinforcing steel bar grooves 3, placing hollow internal molds with hollow interiors and closed exteriors on the prefabricated laminated slab concrete building blocks 1; (4) casting concrete to an elevated position is referred to as hollow composite slab. In this case, the laminated slab has a hollow region inside, which is also called a laminated hollow slab.
The hollow internal mold comprises a cylindrical internal mold 6, supporting building blocks 7 are respectively arranged at two ends of the cylindrical internal mold 6, and the supporting building blocks 7 and the cylindrical internal mold 6 form a hollow structure. The prefabricated superimposed sheet concrete block 1 is provided with a convex block 8 on the periphery, the bottom of the supporting block 7 is provided with a groove matched with the convex block 8, and the convex block 8 and the supporting block 7 are connected through the convex block 8 and the groove. The height of the periphery of the prefabricated laminated plate concrete building block 1 can be the same as that of the reinforcing steel bar groove 3. The cylindrical inner mold 6 may be a hollow tubular object with both ends open, such as a PVC pipe. Blind holes matched with the two ends of the tubular object are arranged at the two ends of the supporting building block 7. The cylindrical inner die 6 may be a tubular object with a circular or oval shape or other shapes as long as the casting requirement is met. The hollow inner die can also be of other structures as long as the requirement of hollowness is met.
Vertical short reinforcing steel bars 9 can be arranged on the prefabricated laminated plate concrete building blocks 1, and the cast short reinforcing steel bars 9 are combined with cast-in-place concrete. Preferably, the short reinforcing bars 9 are provided at the intersections of the longitudinal and vertical reinforcing grooves 3. Thus, the laminated plate has good mechanical property. The position of the short steel bar 9 and the cylindrical internal mold 6 is interfered to avoid the position according to the situation, for example, the short steel bar 9 is not arranged at the interference position.
And a negative bar 10 for constructing a steel bar and a floor slab is arranged above the cylindrical internal mold 6 or the prefabricated laminated plate concrete building block 1. The negative bars 10 are not connected with the short steel bars 9, and are determined according to different conditions.
A prefabricated laminated plate concrete building block 1 comprises a concrete bottom plate 2, wherein a reinforcing steel bar groove 3 used for placing a reinforcing steel bar 5 and arranged longitudinally and transversely in a crossed mode is formed in the concrete bottom plate 2, and two ends of the reinforcing steel bar groove 3 extend to the edge of the concrete bottom plate 2.
The edge of the concrete bottom plate 2 can be provided with a tenon-and-mortise structure 4 which is connected with other prefabricated laminated plate concrete building blocks 1 for self locking.
The precast concrete bottom plate 2 is provided with a hollow internal mold which is hollow inside and closed outside and is used for forming a hollow area after casting.
The periphery of the prefabricated superposed slab concrete block 1 is provided with a convex block 8, the convex block 8 is provided with a supporting block 7 which is matched and connected with the convex block 8 through a bottom groove, and a cylindrical inner mold 6 is arranged between the two supporting blocks 7 at the corresponding positions of the two opposite sides of the prefabricated superposed slab concrete block 1; the supporting building blocks 7 and the cylindrical inner die 6 form a hollow structure. The cylindrical inner mold 6 may be a hollow tubular object with both ends open.
Vertical short steel bars 9 which are combined with cast-in-place concrete after being cast are arranged at the intersections of the longitudinal steel bar grooves 3 and the vertical steel bar grooves 3 on the prefabricated laminated plate concrete building blocks 1.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Although a plurality of embodiments of the present invention have been shown and described above, it will be appreciated by those skilled in the art that a variety of changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (10)
1. The manufacturing method of the laminated slab for the building is characterized by comprising the following steps: the method comprises the following steps: (1) prefabricating superposed slab concrete blocks; the prefabricated laminated plate concrete building block comprises a concrete bottom plate, wherein reinforcing steel bar grooves used for placing reinforcing steel bars are arranged on the concrete bottom plate in a longitudinal and transverse crossed mode, and two ends of each reinforcing steel bar groove extend to the edge of the concrete bottom plate; (2) combining the prefabricated superposed plate concrete blocks into a whole template one by one; (3) laying steel bars in steel bar grooves of the prefabricated laminated slab concrete building blocks; (4) and casting the concrete to the elevation position to form the laminated slab.
2. The method for manufacturing a laminated plate for construction according to claim 1, wherein: after the reinforcing steel bars are laid in the reinforcing steel bar grooves, placing hollow internal molds with hollow interiors and closed exteriors on the prefabricated laminated slab concrete building blocks; (4) and casting concrete to the elevation position to form the hollow laminated slab.
3. The method for manufacturing a laminated plate for construction as claimed in claim 2, wherein: the hollow internal mold comprises a cylindrical internal mold, supporting building blocks are arranged at two ends of the cylindrical internal mold respectively, and the supporting building blocks and the cylindrical internal mold form a hollow structure; the prefabricated laminated plate concrete building block is characterized in that the periphery of the prefabricated laminated plate concrete building block is provided with a convex block, the bottom of the supporting building block is provided with a groove matched with the convex block, and the convex block and the supporting building block are connected through the convex block and the groove.
4. The method for manufacturing a laminated slab for construction as claimed in any one of claims 1 to 3, wherein: concrete bottom plate border sets up tenon fourth of twelve earthly branches structure, and prefabricated coincide board concrete block connects one to make up into the monoblock template through tenon fourth of twelve earthly branches structure.
5. The method for manufacturing a laminated slab for construction as claimed in any one of claims 1 to 3, wherein: and vertical short steel bars are arranged on the precast laminated plate concrete building blocks and are combined with cast-in-place concrete after casting.
6. The method for manufacturing a laminated plate for construction as claimed in claim 5, wherein: the short reinforcing steel bars are arranged at the intersections of the longitudinal reinforcing steel bar grooves and the vertical reinforcing steel bar grooves.
7. The utility model provides a prefabricated coincide board concrete block which characterized in that: the concrete bottom plate is provided with reinforcing steel bar grooves which are used for placing reinforcing steel bars and are longitudinally and transversely arranged in a crossed manner, and two ends of each reinforcing steel bar groove extend to the edge of the concrete bottom plate.
8. The precast laminated slab concrete segment as recited in claim 7, wherein: the concrete bottom plate edge is provided with a tenon-and-mortise structure which is connected with other prefabricated laminated plate concrete building blocks in a self-locking manner.
9. The precast laminated slab concrete segment as claimed in claim 7 or 8, wherein: the periphery of the prefabricated superposed slab concrete block is provided with a convex block, the convex block is provided with a supporting block which is matched and connected with the convex block through a bottom groove, and a cylindrical inner mold is arranged between the two supporting blocks at the corresponding positions of the two opposite sides of the prefabricated superposed slab concrete block; the supporting building blocks and the cylindrical internal mold form a hollow structure.
10. The precast laminated slab concrete segment as claimed in claim 7 or 8, wherein: vertical short reinforcing steel bars which are combined with cast-in-place concrete after being cast are arranged at the intersections of the longitudinal reinforcing steel bar grooves and the vertical reinforcing steel bar grooves on the prefabricated laminated plate concrete building blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811259799.0A CN111101630A (en) | 2018-10-26 | 2018-10-26 | Method for manufacturing laminated slab for building and prefabricated laminated slab concrete building block |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811259799.0A CN111101630A (en) | 2018-10-26 | 2018-10-26 | Method for manufacturing laminated slab for building and prefabricated laminated slab concrete building block |
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| CN111101630A true CN111101630A (en) | 2020-05-05 |
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| CN201811259799.0A Pending CN111101630A (en) | 2018-10-26 | 2018-10-26 | Method for manufacturing laminated slab for building and prefabricated laminated slab concrete building block |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252560A (en) * | 2020-09-17 | 2021-01-22 | 中建新疆建工集团第五建筑工程有限公司 | Novel composite floor slab for building and construction method thereof |
-
2018
- 2018-10-26 CN CN201811259799.0A patent/CN111101630A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252560A (en) * | 2020-09-17 | 2021-01-22 | 中建新疆建工集团第五建筑工程有限公司 | Novel composite floor slab for building and construction method thereof |
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