CN113152663A - Assembled building frame system - Google Patents
Assembled building frame system Download PDFInfo
- Publication number
- CN113152663A CN113152663A CN202110170983.3A CN202110170983A CN113152663A CN 113152663 A CN113152663 A CN 113152663A CN 202110170983 A CN202110170983 A CN 202110170983A CN 113152663 A CN113152663 A CN 113152663A
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- Prior art keywords
- prefabricated
- overlapping
- positioning
- precast
- frame system
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional [3D] framework structures
-
- 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
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an assembly type building frame system.
Background
The field of building construction has two construction modes of traditional cast-in-place and prefabricated assembly. Under the continuous improvement and development of construction technology, the prefabricated part assembly construction is more and more widely used.
The garbage produced by the traditional cast-in-place operation is large, and the treatment of the construction garbage is always a great problem which troubles the development of cities; a large amount of wet-process cast-in-place operations have the serious problems of environmental pollution, water resource waste, dust pollution, noise pollution and the like, and the cast-in-place construction mode also has the defects of long construction period, poor construction quality and the like.
Cast-in-place beams and columns need a large number of templates and supporting pieces, are complex to erect and have long construction period.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the assembled building frame system provided by the invention has the advantages that the precast slabs are supported without erecting the supporting piece during construction, the construction is convenient and stable, the working hours are saved, and the size positioning precision between the precast beams and the precast columns is high during installation.
A fabricated building frame system according to an embodiment of the present invention comprises: the prefabricated beam comprises a plurality of prefabricated columns, a first connecting structure is arranged between an upper prefabricated column and a lower prefabricated column and is connected with the upper prefabricated column and the lower prefabricated column through the first connecting structure, and prefabricated beam joints integrally cast with the prefabricated columns are arranged on the side surfaces of the prefabricated columns; the prefabricated beam is connected with the prefabricated beam joint through a second connecting structure, concrete is poured at the joint, a lap joint platform is arranged on the long side edge of the prefabricated beam, and the plane of the lap joint platform is lower than the top surface of the prefabricated beam; and the precast slabs are placed on the lap joint platforms, concrete is poured on the top surfaces of the precast beams, and the precast slabs are connected with the precast beams.
The assembly type building frame system provided by the embodiment of the invention at least has the following technical effects: the prefabricated beam joint and the prefabricated column are integrally cast and molded, and the relative position size of the prefabricated beam joint and the prefabricated column has high precision and low error; the precast beam joint is connected with the precast beam, so that the construction is simple and rapid, and the position size of the precast beam is determined; the prefabricated panels are directly placed on the lapping platform, and no supporting piece needs to be erected to reduce the workload and shorten the construction period.
In some embodiments of the present invention, the first connecting structure includes a plurality of connecting steel bars pre-embedded at the upper end of the precast column and a connecting hole disposed at the lower end of the precast column, the connecting steel bars extend out of the end surface of the precast column, and a filling hole for grouting is disposed on the connecting hole.
In some embodiments of the present invention, the first connecting structure includes two sets of first overlapping steel bars, and the two sets of first overlapping steel bars are embedded in two ends of the precast column respectively and axially extend out of an end surface of the precast column.
In some embodiments of the present invention, the second connecting structures are a plurality of second overlap bars, the second overlap bars are embedded in the end portions of the precast beam joints and the precast beams, and the second overlap bars extend out of the end surfaces of the precast beam joints and the precast beams.
In some embodiments of the present invention, the second connecting structure is a plurality of overlapping steel plates, the overlapping steel plates are embedded in the end portions of the precast beam joints and the precast beam, and the overlapping steel plates are distributed in parallel in the transverse direction at intervals and extend out of the end surfaces of the precast beam joints and the precast beam.
In some embodiments of the present invention, the end of the precast beam joint is provided with a first protrusion, the end of the precast beam is correspondingly provided with a second protrusion, and the overlapping steel plates are transversely arranged on the ends of the first protrusion and the second protrusion in parallel at intervals.
In some embodiments of the present invention, a positioning device is disposed between the precast slab and the lapping platform, the positioning device includes a positioning convex strip and a positioning groove, the positioning convex strip is parallel to the long side of the precast beam and is disposed on the lapping platform, the positioning groove is correspondingly formed on one side of the precast slab, the precast slab is placed on the lapping platform, and the positioning convex strip and the positioning groove are wedged with each other.
In some embodiments of the invention, a positioning device is arranged between the precast slab and the lapping platform, the positioning device comprises a plurality of positioning ribs and positioning holes, the lapping platform is vertically provided with a plurality of positioning ribs, one side of the precast slab, which is lapped with the precast beam, is provided with a corresponding number of positioning holes, and the positioning ribs penetrate through the positioning holes, so that the precast slab can be placed on the lapping platform.
In some embodiments of the invention, a plurality of reinforcing ribs are embedded in the top surface of the precast beam, the height of the reinforcing ribs is higher than that of the precast slab, a reinforcing mesh is laid on the precast slab, the reinforcing mesh is overlapped with the reinforcing ribs, a post-cast concrete layer is cast above the precast beam and the precast slab, and the post-cast concrete layer covers the reinforcing mesh and the reinforcing ribs.
In some embodiments of the invention, the upper surface of the prefabricated panels is provided with a rough or corrugated surface.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a partially enlarged view of a connection node according to an embodiment of the present invention;
FIG. 3 is a schematic view of a coupling structure for coupling reinforcing bars and coupling holes according to the present invention;
FIG. 4 is a schematic view of a connection structure of a precast column and a precast beam according to the present invention;
FIG. 5 is a schematic view of the present invention using a lap joint steel plate connection;
FIG. 6 is a schematic view of the present invention with a first protrusion and a second protrusion;
FIG. 7 is a schematic view of a positioning protrusion and a positioning groove of the present invention;
FIG. 8 is a schematic view of a fitting structure of the positioning rib and the positioning hole according to the present invention;
fig. 9 is a schematic structural view of a post-cast concrete layer according to the present invention.
Reference numerals:
the prefabricated column comprises a prefabricated column 100, a first connecting structure 110, connecting steel bars 111, connecting holes 112, pouring holes 113 and first overlap steel bars 114;
the prefabricated beam joint 120, the first protrusion 121, the second protrusion 122, the second connecting structure 130, the second overlapping steel bar 131 and the overlapping steel plate 132;
the prefabricated beam comprises a prefabricated beam 200, an overlapping platform 210, a positioning convex strip 211, a positioning groove 212, a positioning rib 213, a positioning hole 214 and a reinforcing rib 220;
prefabricated panels 300, a mesh reinforcement 310, and a post-cast concrete layer 320.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 2, a fabricated building frame system according to an embodiment of the present invention includes: a first connecting structure 110 is arranged between the upper prefabricated column 100 and the lower prefabricated column 100 and is connected through the first connecting structure 110, and a prefabricated beam joint 120 which is integrally cast with the prefabricated columns 100 is arranged on the side surface of each prefabricated column 100; one end of the precast beam 200 is butted with the precast beam joint 120, a second connecting structure 130 is arranged between the precast beam 200 and the precast beam joint 120 and is connected through the second connecting structure 130, concrete is poured at the joint, a lapping platform 210 is arranged on the long side edge of the precast beam 200, and the plane of the lapping platform 210 is lower than the top surface of the precast beam 200; the precast slab 300 is placed on the overlap platform 210, and concrete is poured on the top surface of the precast girder 200, and the precast slab 300 is coupled with the precast girder 200.
The precast columns 100, the precast girders 200 and the precast slabs 300 are precast by concrete, and the relative positions of the precast girder joints 120 and the precast columns 100 are determined when they are integrally cast. During on-site assembly type construction, the installation position of each prefabricated column 100 is determined, the upper prefabricated column 100 and the lower prefabricated column 100 are connected through the first connecting structure 110, concrete is poured or grouting is performed at the connecting node for fixing, and then the corresponding position between the precast beam joints 120 on each prefabricated column 100 is also determined. The two adjacent prefabricated columns 100 are connected through the prefabricated beam 200, the prefabricated beam 200 is erected, two ends of the prefabricated beam 200 are respectively aligned to the corresponding prefabricated beam joints 120, the prefabricated beam 200 is connected with the prefabricated beam joints 120 through the second connecting structure 130, concrete is poured at a formwork at the joint, construction is simple, and construction precision is guaranteed.
When the precast slabs 300 are installed, the precast slabs 300 are placed on the overlap platform 210 of the overlapped precast girders 200 to be fixed, to ensure accurate installation dimension between the precast slabs 300 and the precast girders 200, and concrete is poured to connect the precast slabs 300 and the precast girders 200.
Referring to fig. 3, in some embodiments of the present invention, the first connecting structure 110 includes a plurality of connecting bars 111 pre-embedded at an upper end of the precast column 100 and a connecting hole 112 disposed at a lower end of the precast column 100, the connecting bars 111 extend out of an end surface of the precast column 100, and a grouting hole 113 for grouting is disposed on the connecting hole 112.
When the prefabricated column 100 is installed, the connection holes 112 at the lower end of the prefabricated column 100 are aligned with the connection bars 111 of the prefabricated column 100 installed at the lower layer, the connection bars 111 are inserted into the connection holes 112, and then grouting material is grouted from the grouting holes 113 by grouting equipment to fill the gaps.
Referring to fig. 4, in some embodiments of the present invention, the first connecting structure 110 includes two sets of first overlapping steel bars 114, and the two sets of first overlapping steel bars 114 are embedded at two ends of the precast column 100 respectively and axially extend out of an end surface of the precast column 100.
When the prefabricated column 100 is installed, the first overlap steel bars 114 at the lower end of the prefabricated column 100 and the first overlap steel bars 114 at the upper end of the prefabricated column 100 installed at the lower layer are overlapped with each other, and after the prefabricated column is bound firmly, the formwork is erected on site to pour concrete.
Referring to fig. 4, in some embodiments of the present invention, the second connecting structure 130 is a plurality of second overlap bars 131, the second overlap bars 131 are embedded in the ends of the precast beam joints 120 and the precast beams 200, and the second overlap bars 131 extend out of the end surfaces of the precast beam joints 120 and the precast beams 200.
The precast beam 200 and the precast beam joint 120 are connected through a second overlap steel bar 131, when the precast beam 200 is erected, the second overlap steel bar 131 between the end of the precast beam 200 and the precast beam joint 120 are overlapped, and after the precast beam 200 is firmly tied up, the formwork is erected at the joint point to pour concrete.
Referring to fig. 5, in some embodiments of the present invention, the second connecting structure 130 is a plurality of overlapping steel plates 132, the overlapping steel plates 132 are embedded in the end portions of the precast beam joints 120 and the precast beams 200, and the overlapping steel plates 132 are transversely spaced apart in parallel and extend out of the end surfaces of the precast beam joints 120 and the precast beams 200.
The precast beams 200 and the precast beam joints 120 are connected through the overlap steel plates 132, and when the precast beams 200 are erected, the overlap steel plates 132 between the ends of the precast beams 200 and the precast beam joints 120 are overlapped in a staggered manner, and then concrete is cast at the joints of the joints by formwork.
Referring to fig. 6, in some embodiments of the present invention, the end of the precast beam joint 120 is provided with a first protrusion 121, the end of the precast beam 200 is correspondingly provided with a second protrusion 122, and the overlapping steel plates 132 are laterally spaced apart in parallel on the ends of the first protrusion 121 and the second protrusion 122.
When the precast beam 200 is butted with the precast beam joint 120, the precast beam 200 and the precast beam joint 120 are horizontally placed, and then the precast beam 200 and the precast beam joint 120 are placed from outside to inside, so that the second protrusion 122 is aligned with the first protrusion 121, the lap-joint steel plates 132 between the precast beam 200 and the precast beam joint 120 can be overlapped in a staggered mode, concrete is poured at the joint of the precast beam joint 120 and the precast beam 200, the concrete bonding area is larger due to the structure, and the joint shearing resistance is stronger.
Referring to fig. 7, in some embodiments of the present invention, a positioning device is disposed between the prefabricated panel 300 and the lapping platform 210, the positioning device includes a positioning rib 211 and a positioning groove 212, the positioning rib 211 is parallel to the long side of the prefabricated panel 200 and is disposed on the lapping platform 210, the positioning groove 212 is correspondingly formed on one side of the prefabricated panel 300, the prefabricated panel 300 is placed on the lapping platform 210, and the positioning rib 211 and the positioning groove 212 are wedged with each other.
When the prefabricated plate 300 is placed, the positioning groove 212 is aligned to the positioning convex strip 211 and mutually wedged for auxiliary positioning, so that the construction efficiency is improved, and the construction precision is ensured; after the prefabricated panel 300 is placed, the positioning protrusions 211 restrict the positioning grooves 212 from moving, thereby preventing the prefabricated panel 300 from falling down due to movement of an external force.
Referring to fig. 8, in some embodiments of the present invention, a positioning device is provided between the prefabricated panel 300 and the lapping platform 210, the positioning device includes a plurality of positioning ribs 213 and positioning holes 214, the lapping platform 210 is vertically provided with the plurality of positioning ribs 213, a corresponding number of positioning holes 214 are provided on the side where the prefabricated panel 300 is lapped with the precast girders 200, and the positioning ribs 213 pass through the positioning holes 214 so that the prefabricated panel 300 can be placed on the lapping platform 210.
When the prefabricated plate 300 is placed, the positioning ribs 213 penetrate through the positioning holes 214, the prefabricated plate 300 is placed on the lapping platform 210, and the positioning ribs 213 are matched with the positioning holes 214 to realize positioning, so that the construction size precision is ensured; after the prefabricated panel 300 is placed, the positioning ribs 213 restrict the positioning holes 214 from moving, preventing the prefabricated panel 300 from being moved by an external force and falling.
Referring to fig. 9, in some embodiments of the present invention, a plurality of reinforcing bars 220 are embedded in the top surface of the precast beam 200, the reinforcing bars 220 have a height higher than that of the precast slab 300, a reinforcing mesh 310 is laid on the precast slab 300, the reinforcing mesh 310 is overlapped with the reinforcing bars 220, a post-cast concrete layer 320 is further poured over the precast beam 200 and the precast slab 300, and the post-cast concrete layer 320 covers the reinforcing mesh 310 and the reinforcing bars 220.
A post-cast concrete layer 320 is further poured above the precast slab 300 and the precast beam 200, so that the bearing performance of the integral connection structure can be improved, the building structure is firmer, and after the post-cast concrete layer 320 is solidified, the reinforcing mesh 310 is positioned in the post-cast concrete layer 320, so that the effects of bearing tension and resisting shearing force are achieved; the reinforcing ribs 220 can improve the internal tensile and shear resistance of the post-cast concrete layer 320 above the precast beam 200.
In some embodiments of the present invention, the upper surface of the prefabricated panel 300 is provided with a rough surface or a corrugated surface. The rough surface enables the adhesion between the post-cast concrete layer 320 and the precast slab 300 to be firmer than the smooth surface; the corrugated surface can cover and fill all the valleys of the concrete, so that a better shearing force structure is formed between the precast slab 300 and the post-cast concrete layer 320, and the overall stress performance is improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
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| CN202110170983.3A CN113152663B (en) | 2021-02-08 | 2021-02-08 | Assembled building frame system |
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| CN202110170983.3A CN113152663B (en) | 2021-02-08 | 2021-02-08 | Assembled building frame system |
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| CN113152663B CN113152663B (en) | 2024-11-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508175A (en) * | 2022-02-23 | 2022-05-17 | 浙江大学建筑设计研究院有限公司 | Connecting joint and connecting method for assembled reinforced concrete prefabricated column and beam |
| CN115404980A (en) * | 2022-08-09 | 2022-11-29 | 四川宇砼建材有限公司 | Novel UHPC-based precast concrete frame structure system and construction method thereof |
| CN116180888A (en) * | 2023-03-16 | 2023-05-30 | 中建八局第四建设有限公司 | Novel assembled reinforced concrete frame structure |
| CN120700993A (en) * | 2025-08-29 | 2025-09-26 | 石家庄睿民慧筑科技有限公司 | Multi-layer frame structure for building and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114508175A (en) * | 2022-02-23 | 2022-05-17 | 浙江大学建筑设计研究院有限公司 | Connecting joint and connecting method for assembled reinforced concrete prefabricated column and beam |
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| CN115404980A (en) * | 2022-08-09 | 2022-11-29 | 四川宇砼建材有限公司 | Novel UHPC-based precast concrete frame structure system and construction method thereof |
| CN116180888A (en) * | 2023-03-16 | 2023-05-30 | 中建八局第四建设有限公司 | Novel assembled reinforced concrete frame structure |
| CN120700993A (en) * | 2025-08-29 | 2025-09-26 | 石家庄睿民慧筑科技有限公司 | Multi-layer frame structure for building and construction method |
| CN120700993B (en) * | 2025-08-29 | 2025-12-02 | 石家庄睿民慧筑科技有限公司 | A multi-story frame structure for building and its construction method |
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| CN113152663B (en) | 2024-11-26 |
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