CN211523760U - Superposed beam structure - Google Patents
Superposed beam structure Download PDFInfo
- Publication number
- CN211523760U CN211523760U CN201922336373.7U CN201922336373U CN211523760U CN 211523760 U CN211523760 U CN 211523760U CN 201922336373 U CN201922336373 U CN 201922336373U CN 211523760 U CN211523760 U CN 211523760U
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- embedded
- connecting piece
- bottom plate
- steel bars
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model relates to a superposed beam structure, which comprises a prefabricated beam with a U-shaped cross section, wherein the prefabricated beam comprises a prefabricated bottom plate and prefabricated side plates which are fixed on two sides of the prefabricated bottom plate and are arranged oppositely, a post-pouring area is formed between the two prefabricated side plates, the upper space of the post-pouring area is provided with a plurality of horizontally arranged connecting pieces, each connecting piece is arranged at intervals along the length direction of the prefabricated beam, each connecting piece is formed by laminating and welding two reinforcing steel bar side walls, and two ends of each connecting piece are respectively embedded in the prefabricated side plates on one side; be equipped with the connecting reinforcement of a plurality of vertical settings in the district of watering after, connecting reinforcement's one end and the fixed setting of prefabricated bottom plate, connecting reinforcement's the other end is contradicted in the splice between two reinforcing bars of connecting piece to connecting reinforcement's one end simultaneously with two welded steel bar connection of connecting piece, its advantage that has the hoist and mount of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of prefabricated building structure's technique and specifically relates to a superposed beam structure is related to.
Background
The cross section of the frame beam is generally rectangular or T-shaped, when the floor structure is a prefabricated slab assembled floor, in order to reduce the height occupied by the structure and increase the building clearance, the cross section of the frame beam is often cross-shaped or basket-shaped, in the assembled integral frame structure, the prefabricated beam is often made into a T-shaped section, and after the prefabricated slab is installed in place, partial concrete is poured, so-called composite beam is formed.
The Chinese patent with the publication number of CN207017528U discloses a prefabricated U-shaped superposed beam, which comprises a U-shaped steel plate, wherein a concrete layer which is matched with the U-shaped steel plate in shape structure is arranged on the outer side of the U-shaped steel plate, a steel bar net is wrapped in the concrete layer, and a plurality of anchor bars are arranged between the steel bar net arranged on two side faces and the U-shaped steel plate; one end of each anchor bar is anchored in the concrete layer, and the other end of each anchor bar is welded on the U-shaped steel plate.
The above prior art solutions have the following drawbacks: when the composite beam is hoisted, the composite beam needs to be bundled by means of tools, then the composite beam is hoisted to a corresponding position by means of tools such as a crane and the like, then the composite beam is fixed with the composite slab, the composite beam needs to be bundled for many times and needs to be bundled firmly, and therefore the hoisting process is complicated.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a superposed beam structure, it has the advantage of the hoist and mount of being convenient for.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a superposed beam structure comprises a prefabricated beam with a U-shaped cross section, wherein the prefabricated beam comprises a prefabricated bottom plate and prefabricated side plates which are fixed on two sides of the prefabricated bottom plate and are arranged oppositely, a post-pouring area is formed between the two prefabricated side plates, a plurality of horizontally arranged connecting pieces are arranged in the upper space of the post-pouring area, the connecting pieces are arranged at intervals along the length direction of the prefabricated beam, each connecting piece is formed by attaching and welding two steel bar side walls, and two ends of each connecting piece are respectively embedded in the prefabricated side plates on one side; be equipped with the connecting reinforcement of a plurality of vertical settings in the district of watering after, the one end of connecting reinforcement with prefabricated bottom plate is fixed to be set up, the other end of connecting reinforcement contradict in the splice between two reinforcing bars of connecting piece to the one end of connecting reinforcement simultaneously with two reinforcing bar welded connection of connecting piece.
By adopting the technical scheme, when the superposed beam needs to be hoisted, the superposed beam does not need to be bundled by means of tools such as ropes or steel wires, only the hook of the crane needs to be correspondingly hooked into the connecting piece, then the superposed beam is hoisted to the installation position, then the precast beam is supported and fixed by the supporting tool, and finally concrete is poured in the post-pouring area; the connecting piece is arranged, so that the superposed beam can be conveniently hoisted, the bundling step is simplified, and convenience and rapidness are realized; and the connecting piece comprises two reinforcing bars, and its structural strength is higher, sets up the connecting reinforcement simultaneously, has further improved the connection steadiness between connecting piece and the precast beam to ensure the steadiness that the hoist and mount moved.
The present invention may be further configured in a preferred embodiment as: pre-buried supports are pre-buried in the prefabricated bottom plate, each pre-buried support comprises three pre-buried strips arranged along the length direction of the prefabricated beam, the upper surfaces of the pre-buried strips are exposed in the post-pouring area, two pre-buried strips of each pre-buried support are respectively arranged on one side, close to the prefabricated side plate, of the inner side surface of the prefabricated bottom plate, and the lower ends of the connecting steel bars are welded and fixed with the pre-buried strips on the two sides; branch reinforcing steel bars are welded between the embedded bars simultaneously; and the lower part of the embedded strip is provided with an anchor bar, and the anchor bar is welded and fixed with the embedded strip.
By adopting the technical scheme, the pre-buried support is arranged to serve as the framework of the prefabricated bottom plate, the structural strength of the prefabricated bottom plate can be ensured, the exposed part of the pre-buried strip is convenient for subsequent welding and fixing of the connecting steel bars, the connecting steel bars are respectively arranged on two sides of the inner side surface of the prefabricated bottom plate, hooks of a crane can be avoided, and later hoisting is facilitated.
The present invention may be further configured in a preferred embodiment as: be equipped with a plurality of in the precast beam and be the first reinforcing bar of U-shaped, first reinforcing bar all is located in the precast beam, just first reinforcing bar with the connecting piece one-to-one sets up, two ends of first reinforcing bar respectively with the connecting piece bury underground in the one end welded fastening of prefabricated curb plate.
Adopt above-mentioned technical scheme, the first reinforcing bar of U-shaped can be simultaneously with the prefabricated curb plate of prefabricated bottom plate and both sides be connected for whole to improve the monolithic connection steadiness of precast beam, simultaneously through the welded fastening between first reinforcing bar and the connecting piece, can further improve the connection steadiness between connecting piece and the precast beam, thereby ensure the steadiness that the hoist and mount moved.
The present invention may be further configured in a preferred embodiment as: the position of first reinforcing bar be located in the prefabricated bottom plate contradict simultaneously in the lower part lateral wall of three pre-buried strips and the lateral wall of dowel steel, just first reinforcing bar simultaneously with pre-buried strip with dowel steel welded fastening.
Adopt above-mentioned technical scheme, can realize the fixed connection between first reinforcing bar and the pre-buried support, further improve the holistic structural strength of precast beam.
The present invention may be further configured in a preferred embodiment as: the prefabricated side plate is internally provided with a plurality of second steel bars arranged along the length direction of the prefabricated beam, the second steel bars are welded with the first steel bars, and the second steel bars are arranged at intervals along the length direction of the first steel bars.
By adopting the technical scheme, when the prefabricated side plate is poured, the first steel bars and the second steel bars form the framework, so that the structural strength of the prefabricated side plate can be improved.
The present invention may be further configured in a preferred embodiment as: a plurality of tooth sockets are formed in the opposite surfaces of the two prefabricated side plates, the tooth sockets and the prefabricated side plates are arranged in a through-length mode, and the tooth sockets are arranged at intervals in the vertical direction.
Adopt above-mentioned technical scheme, can improve the area of contact of cast in situ concrete and prefabricated curb plate through setting up the tooth's socket to improve the connection steadiness between concrete and the precast beam, thereby ensure the structural strength of whole composite beam.
The present invention may be further configured in a preferred embodiment as: a plurality of horizontally arranged stirrups are arranged in the post-pouring area, two sides of each stirrup are respectively clamped and embedded in tooth grooves in the prefabricated side plate on one side, and the side walls of the connecting steel bars are abutted against the inner side walls of the stirrups and are welded and connected; the distance between the stirrups and the prefabricated bottom plate is smaller than the distance between the connecting piece and the prefabricated bottom plate.
Adopt above-mentioned technical scheme, the tooth's socket provides the space of being convenient for stirrup inlay card to the lateral wall of connecting reinforcement supports and leans on the medial surface in the stirrup, thereby avoids breaking away from of stirrup, thereby realizes fixing between stirrup and the precast beam, and stirrup and connecting reinforcement welding combination form the skeleton, can improve the structural strength of the concrete in post-cast area, thereby improve the structural strength of whole superposed beam.
The present invention may be further configured in a preferred embodiment as: the embedded bar positioned in the middle of the embedded bracket is fixedly welded with a vertically arranged reinforcing steel bar, and the side wall of the reinforcing steel bar is abutted against the inner side wall of the stirrup and is welded; the length of the reinforcing steel bar is smaller than the distance between the connecting piece and the prefabricated bottom plate.
By adopting the technical scheme, the structural strength of the concrete in the post-cast area is further improved, so that the structural strength of the integral composite beam is improved.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the connecting piece is arranged, so that the superposed beam can be conveniently hoisted, the bundling step is simplified, and convenience and rapidness are realized; the connecting piece is composed of two steel bars, the structural strength is high, and meanwhile, the connecting steel bars are arranged, so that the connecting stability between the connecting piece and the precast beam is further improved, and the stability of hoisting and moving is ensured;
2. the first reinforcing bar of U-shaped can be simultaneously with the prefabricated curb plate of prefabricated bottom plate and both sides be connected for whole to improve the integral connection steadiness of precast beam, simultaneously through the welded fastening between first reinforcing bar and the connecting piece, can further improve the connection steadiness between connecting piece and the precast beam, thereby ensure the steadiness that the hoist and mount moved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a schematic diagram for embodying the structure of the pre-buried bracket according to the embodiment;
fig. 3 is a two-dimensional sectional view of the present embodiment.
In the figure, 1, side plates are prefabricated; 2. prefabricating a bottom plate; 3. a first reinforcing bar; 4. pre-burying a bracket; 5. a second reinforcing bar; 6. a connecting member; 10. prefabricating a beam; 11. a tooth socket; 12. hooping; 13. connecting reinforcing steel bars; 14. reinforcing steel bars; 20. post-pouring area; 41. pre-embedding strips; 42. supporting steel bars; 43. and (6) anchoring the ribs.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, for the utility model discloses a composite beam structure, including the transversal precast beam 10 who personally submits the U-shaped, precast beam 10 includes precast bottom plate 2 and is fixed in precast curb plate 1 of 2 both sides of precast bottom plate, and two precast curb plates 1 set up relatively, form post-cast 20 between two precast curb plates 1.
As shown in fig. 2 and 3, an embedded support 4 is embedded in the precast floor 2, the embedded support 4 includes three embedded bars 41 arranged along the length direction of the precast beam 10, the upper surfaces of the embedded bars 41 are exposed in the post-cast area 20, two of the embedded bars 41 of the embedded support 4 are respectively arranged on one side of the inner side of the precast floor 2 close to the precast side plate 1, supporting steel bars 42 are welded between the embedded bars 41 at the same time, anchor bars 43 are arranged at the lower parts of the embedded bars 41, and the anchor bars 43 are welded and fixed with the embedded bars 41;
as shown in fig. 2 and 3, a plurality of U-shaped first steel bars 3 are arranged in the precast beam 10, the first steel bars 3 are all located in the precast beam 10, and the first steel bars 3 are arranged at intervals along the length direction of the precast beam 10, the parts of the first steel bars 3 located in the precast bottom plate 2 simultaneously abut against the lower side walls of the three embedded bars 41 and the side walls of the anchor bars 43, and the first steel bars 3 are simultaneously welded and fixed with the embedded bars 41 and the anchor bars 43; a plurality of second steel bars 5 are welded on the first steel bars 3 at the position of the prefabricated side plate 1, the second steel bars 5 are parallel to the length direction of the prefabricated beam 10, and the second steel bars 5 are arranged at intervals along the length direction of the first steel bars 3;
when the precast beam 10 is produced in a factory, the pre-embedded support 4, the first steel bar 3 and the second steel bar 5 are welded and fixed with each other to form a framework of the precast beam 10, and then the precast beam 10 is poured and molded through pouring.
As shown in fig. 2 and 3, the upper space of the post-cast area 20 is provided with a plurality of horizontally arranged connecting pieces 6, the connecting pieces 6 are arranged corresponding to the first steel bars 3 one by one, each connecting piece 6 is formed by welding two steel bar side walls in an attaching manner, two ends of each connecting piece 6 are embedded in the prefabricated side plate 1 on one side respectively, and two ends of each connecting piece 6 are fixedly connected with the tail ends of the first steel bars 3 respectively.
As shown in fig. 3, a plurality of tooth sockets 11 are formed on the opposite surfaces of the two prefabricated side plates 1, the tooth sockets 11 are arranged in a manner of being through to the prefabricated side plates 1, the tooth sockets 11 are arranged at intervals in the vertical direction, and the tooth sockets 11 can improve the contact area between the cast-in-place concrete and the prefabricated side plates 1, so that the connection stability between the concrete and the prefabricated beam 10 is improved; meanwhile, a plurality of horizontally arranged stirrups 12 are arranged in the post-pouring area 20, two sides of each stirrup 12 are respectively clamped and embedded in tooth grooves 11 in the prefabricated side plates 1 on one side, and the distance between each stirrup 12 and the prefabricated bottom plate 2 is smaller than the distance between each connecting piece 6 and the prefabricated bottom plate 2; connecting steel bars 13 are fixedly welded at exposed parts of the embedded supports 4 positioned at two sides of the embedded supports 4, the side walls of the connecting steel bars 13 are abutted against the inner side walls of the stirrups 12 and are fixedly welded, the upper ends of the connecting steel bars 13 are abutted against the welding position between the two steel bars of the connecting piece 6, and the connecting steel bars 13 are simultaneously fixedly welded with the two steel bars of the connecting piece 6;
the exposed part of the embedded bar 41 positioned in the middle of the embedded bracket 4 is fixedly welded with the reinforcing steel bar 14, the length of the reinforcing steel bar 14 is less than the distance between the connecting piece 6 and the prefabricated bottom plate 2, and the side wall of the reinforcing steel bar 14 abuts against the inner side wall of the stirrup 12 and is welded and connected;
after the precast beam 10 is poured and formed, a plurality of stirrups 12 are horizontally embedded into the tooth socket 11 from one side of the tooth socket 11 and are arranged side by side, then the connecting reinforcements 13 are welded to avoid the stirrups 12 to be separated from the tooth socket 11 and support the fixed connecting piece 6, the reinforcing reinforcements 14 are welded, the reinforcing reinforcements 14, the connecting reinforcements 13 and the stirrups 12 are welded and combined to form a framework of the concrete of the post-cast area 20, the connecting stability between the concrete of the post-cast area 20 and the precast beam 10 can be improved, and therefore the structural strength of the integral superposed beam is guaranteed.
The implementation principle of the embodiment is as follows: as shown in fig. 1, when the superposed beam needs to be hoisted, the superposed beam does not need to be bundled by means of a rope or a steel wire and the like, only a hook of a crane needs to be correspondingly hooked into the connecting piece 6, then the superposed beam is hoisted to the installation position, then the precast beam 10 is supported and fixed by a supporting tool, and finally concrete is poured in the post-pouring area 20; the connecting piece 6 is arranged, so that the superposed beam can be conveniently hoisted, the bundling step is simplified, and convenience and rapidness are realized.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A composite beam structure comprising a precast beam (10) having a U-shaped cross section, characterized in that: the precast beam (10) comprises a precast bottom plate (2) and precast side plates (1) which are fixed on two sides of the precast bottom plate (2) and are oppositely arranged, a post-pouring area (20) is formed between the two precast side plates (1), a plurality of horizontally arranged connecting pieces (6) are arranged in the upper space of the post-pouring area (20), each connecting piece (6) is arranged at intervals along the length direction of the precast beam (10), each connecting piece (6) is formed by attaching and welding two steel bar side walls, and two ends of each connecting piece (6) are respectively pre-buried in the precast side plates (1) on one side; be equipped with connecting reinforcement (13) of a plurality of vertical settings in post-cast area (20), the one end of connecting reinforcement (13) with prefabricated bottom plate (2) are fixed to be set up, the other end of connecting reinforcement (13) contradict in the welding department between two reinforcing bars of connecting piece (6) to the one end of connecting reinforcement (13) simultaneously with two reinforcing bar welded connection of connecting piece (6).
2. The composite beam structure of claim 1, wherein: an embedded support (4) is embedded in the prefabricated bottom plate (2), the embedded support (4) comprises three embedded strips (41) arranged along the length direction of the prefabricated beam (10), the upper surfaces of the embedded strips (41) are exposed in the post-pouring area (20), two embedded strips (41) of the embedded support (4) are respectively arranged on one side, close to the prefabricated side plate (1), of the inner side surface of the prefabricated bottom plate (2), and the lower ends of the connecting steel bars (13) are welded and fixed with the embedded strips (41) on the two sides; branch reinforcing steel bars (42) are welded between the embedded bars (41) at the same time; the lower part of the embedded strip (41) is provided with an anchor bar (43), and the anchor bar (43) is welded and fixed with the embedded strip (41).
3. The composite beam structure of claim 2, wherein: be equipped with first reinforcing bar (3) that a plurality of is the U-shaped in precast beam (10), first reinforcing bar (3) all are located precast beam (10) are interior, just first reinforcing bar (3) with connecting piece (6) one-to-one sets up, two ends of first reinforcing bar (3) respectively with connecting piece (6) bury underground in the one end welded fastening of prefabricated curb plate (1).
4. The composite beam structure of claim 3, wherein: the position of first reinforcing bar (3) is located contradict simultaneously in the lower part lateral wall of three pre-buried strips (41) and the lateral wall of dowel (43) in prefabricated bottom plate (2), just first reinforcing bar (3) simultaneously with pre-buried strip (41) with dowel (43) welded fastening.
5. The composite beam structure of claim 3, wherein: the prefabricated side plate (1) is internally provided with a plurality of second steel bars (5) arranged along the length direction of the prefabricated beam (10), the second steel bars (5) are welded with the first steel bars (3), and the second steel bars (5) are arranged at intervals along the length direction of the first steel bars (3).
6. The composite beam structure of claim 2, wherein: a plurality of tooth sockets (11) are formed in the opposite surfaces of the two prefabricated side plates (1), the tooth sockets (11) and the prefabricated side plates (1) are arranged in a through-length mode, and the tooth sockets (11) are arranged at intervals in the vertical direction.
7. The composite beam structure of claim 6, wherein: a plurality of horizontally arranged stirrups (12) are arranged in the post-pouring area (20), two sides of each stirrup (12) are respectively clamped and embedded in tooth grooves (11) in the prefabricated side plate (1) on one side, and the side walls of the connecting steel bars (13) are abutted against the inner side walls of the stirrups (12) and are welded and connected; the distance between the stirrups (12) and the prefabricated bottom plate (2) is smaller than the distance between the connecting piece (6) and the prefabricated bottom plate (2).
8. The composite beam structure of claim 7, wherein: the embedded bars (41) positioned in the middle of the embedded support (4) are fixedly welded with vertically arranged reinforcing steel bars (14), and the side walls of the reinforcing steel bars (14) are abutted against the inner side walls of the stirrups (12) and are connected in a welding manner; the length of the reinforcing steel bar (14) is smaller than the distance between the connecting piece (6) and the prefabricated bottom plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336373.7U CN211523760U (en) | 2019-12-23 | 2019-12-23 | Superposed beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336373.7U CN211523760U (en) | 2019-12-23 | 2019-12-23 | Superposed beam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211523760U true CN211523760U (en) | 2020-09-18 |
Family
ID=72466449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922336373.7U Expired - Fee Related CN211523760U (en) | 2019-12-23 | 2019-12-23 | Superposed beam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211523760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059712A (en) * | 2021-10-19 | 2022-02-18 | 山东艾科福建筑科技有限公司 | Precast beam, superposed beam and building structure |
-
2019
- 2019-12-23 CN CN201922336373.7U patent/CN211523760U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059712A (en) * | 2021-10-19 | 2022-02-18 | 山东艾科福建筑科技有限公司 | Precast beam, superposed beam and building structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101379305B1 (en) | Wall structure manufacturing method using precast front wall panel and precast back wall panel | |
| CN111576619B (en) | Production method of high-strength concrete post-cast assembled frame system | |
| CN113027024B (en) | Prefabricated concrete structure floor system structure and construction method | |
| KR101449708B1 (en) | Improving structure integrity with topping concrete and improved shear load carrying of hollow slab structure using shear reinforcing bar and constructing method using the same | |
| KR101614842B1 (en) | frame system of buildings using the pc-column with overhanging beam applicable various span without increase of story-height | |
| KR101954155B1 (en) | Bridge with full-deck and protective wall, and construction method for the same | |
| CN110777996A (en) | Combined steel bar truss laminated slab | |
| CN211523760U (en) | Superposed beam structure | |
| CN212656384U (en) | High-strength concrete connecting piece, high-strength concrete post-cast assembled frame system and support frame | |
| CN211974012U (en) | Cast-in-place frame of prefabricated building | |
| KR101105883B1 (en) | Basic mat constructing method of high rise concrete structure | |
| JPH05287901A (en) | Construction of stairs | |
| KR101315365B1 (en) | Hybrid beam structure | |
| CN215670408U (en) | Node connection structure of rib-outlet composite floor slab and cast-in-situ beam | |
| CN214061940U (en) | Precast concrete assembled structure with rib mold structure | |
| CN110778011B (en) | Concrete precast slab, connecting structure and construction method thereof | |
| CN211473010U (en) | Combined steel bar truss laminated slab | |
| CN210597881U (en) | Formwork-supporting-free decorative frame column and frame column beam system | |
| KR20120124129A (en) | Non-supporting rc top down construction method using hybrid formwork beam | |
| CN210214149U (en) | Transit station crossing original coal conveying trestle | |
| KR101315946B1 (en) | Rc construction method for concrete lining in parallel | |
| CN112359965A (en) | Precast concrete assembled structure with rib mold structure and construction method thereof | |
| KR100650444B1 (en) | Cantilever part construction method of bridge | |
| CN107630553B (en) | Pre-tensioning rapid construction device and method for large-span floor slab | |
| JPH1162085A (en) | Formation of surface part and panel thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 Termination date: 20211223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |