CN204826409U - Flat batten plate lattice column structure of CFST -RC - Google Patents
Flat batten plate lattice column structure of CFST -RC Download PDFInfo
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- CN204826409U CN204826409U CN201520577379.2U CN201520577379U CN204826409U CN 204826409 U CN204826409 U CN 204826409U CN 201520577379 U CN201520577379 U CN 201520577379U CN 204826409 U CN204826409 U CN 204826409U
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- cfst
- batten plate
- connector
- flat batten
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Abstract
The utility model relates to a flat batten plate lattice column structure of CFST -RC, including the flat batten plate of RC, the symmetrical fixedly connected with CFST post limb of both ends difference about the flat batten plate of RC, CFST post limb contains ordinary steel pipe, common concrete has pour in the steel pipe, be equipped with one row at least reinforcing bar net that is used for biography power and constructs that interlocks and form by a plurality of transverse reinforcement, longitudinal reinforcement in the flat batten plate of RC, the reinforcing bar is netted near the symmetrical fixedly connected with shear connector of both ends difference about CFST post limb, the shear connector is through the periphery wall fixed connection of structure connecting piece with the steel pipe, the flat batten plate of RC, shear connector, structure connecting piece are interrupted along CFST post limb axial every certain distance to be arranged. The utility model discloses a steel volume is less for the flat batten plate lattice column structure of CFST -RC, the shear stiffness is big, stability is good, can be applied to the great structural element of slenderness ratio, characteristic that full play CFST pressurized intensity is big, and when the flat batten plate adoption prefab of RC, convenient and fast more is under construction.
Description
Technical field
The utility model relates to a kind of CFST-RC flat batten plate lattice column structure, belongs to technical field of civil.
Background technology
CFST is high due to Compressive Bearing Capacity, is widely used among the structure based on pressurized.For improving cross section bending rigidity and structural stability, the many main limb pipes of concrete filled steel tube and connection can be sewed bar (pipe) composition CFST lattice column.The post limb of CFST lattice column is CFST, sews part and is generally sky steel pipe, be also called and sew pipe.Having when tiltedly sewing pipe, be called (lacing formula) lattice column, only having without tiltedly sewing pipe flat being called when sewing pipe flatly to sew pipe lattice column.During lattice column generation transverse bending, sew part and can produce larger shear strain, wherein CFST puts down the shear strain of sewing pipe lattice column and is greater than CFST lattice column.The shear strain of lattice column can have a negative impact to the stability bearing capacity of structure, particularly for the structure that slenderness ratio is larger.Meanwhile, the related subgroup workload of sewing Guan Yuzhu limb steel pipe is large, long construction period; The steel using amount of structure is many, and cost is higher.
Utility model content
The utility model makes improvement for above-mentioned prior art Problems existing, and namely technical problem to be solved in the utility model is to provide a kind of CFST-RC rational in infrastructure, cost economic, quick construction flat batten plate lattice column structure.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of CFST-RC flat batten plate lattice column structure, it is characterized in that: comprise the flat batten plate of RC, two ends, described RC flat batten plate left and right respectively symmetry are fixedly connected with CFST post limb, and the flat batten plate of described RC and CFST post limb junction are provided with shear connector.
Further, described CFST post limb comprises steel pipe, concrete has been built in described steel pipe, the steel mesh reinforcement for power transmission and structure that at least one row is interlocked by some transverse reinforcements, longitudinal reinforcement is provided with in the flat batten plate of described RC, described shear connector is arranged at the left and right two ends of steel mesh reinforcement near CFST post limb, and described shear connector is fixedly connected with the periphery wall of steel pipe through structure connector.
Further, described shear connector is PBL connector, described PBL connector comprises at least one steel plate axially arranged along CFST post limb, described steel plate is welded and fixed near one end of the flat batten plate of RC and steel mesh reinforcement, described steel plate is welded and fixed away from one end of the flat batten plate of RC and the periphery wall of steel pipe, each steel plate is laid with some through holes, described steel plate is vertically equipped with and somely runs through reinforcing bar.
Further, two extreme ends of every root transverse reinforcement that every placing of reinforcement is online be symmetrically welded respectively be fixed on described steel plate medial surface on.
Further, described structure connector comprises the first structure connector, the second structure connector that are arranged at steel plate both sides, the described reinforcing bar that runs through, through after steel plate, constructs connector with first respectively at its two extreme ends, the second inner side constructing connector is welded and fixed.
Further, described first structure connector, the second structure connector are steel disc, and described steel disc is welded and fixed away from the one end and steel pipe periphery wall running through reinforcing bar.
Further, the flat batten plate of described RC, shear connector, structure connector are axially interrupted layout along CFST post limb.
Compared with prior art, the utility model has following beneficial effect: the CFST-RC flat batten plate lattice column structure in (1) the utility model adopts the flat batten plate connector of RC, on the flat batten plate of RC and CFST post limb bonding surface, be provided with shear connector simultaneously, effectively can improve shear stiffness and the stability of structure; (2) the flat batten plate of the CFST-RC in the utility model lattice column structure adopts the flat batten plate of RC to replace empty steel pipe to sew part, reduces component steel using amount, reduces structural cost; (3) the flat batten plate of RC in the flat batten plate of the CFST-RC in the utility model lattice column structure can adopt the form of prefabricated component, convenient and quick construction, reduction of erection time.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view (main stress direction) of the utility model embodiment.
Fig. 2 is Fig. 4 A-A direction diagrammatic side-view cross-sectional schematic diagram (main stress direction) of the utility model embodiment.
Fig. 3 is Fig. 4 B-B direction diagrammatic side-view cross-sectional schematic diagram (main stress direction) of the utility model embodiment.
Fig. 4 is Fig. 2 C-C direction diagrammatic side-view cross-sectional schematic diagram (main stress direction) of the utility model embodiment.
In figure: the flat batten plate of 1-RC, 11-batten plate template, 12-steel mesh reinforcement, 121-transverse reinforcement, 122-longitudinal reinforcement, 13-batten plate concrete, 2-CFST post limb, 21-steel pipe, 22-post limb concrete, 3-shear connector, 31-PBL connector, 311-steel plate, 312-through hole, 313-runs through reinforcing bar, and 4-constructs connector, 41-first constructs connector, and 42-second constructs connector.
Detailed description of the invention
As shown in Fig. 1 ~ 3, a kind of CFST-RC flat batten plate lattice column structure, described RC is steel concrete (ReinforcedConcrete, be called for short RC), described CFST is concrete filled steel tube (ConcreteFilledSteelTube, be called for short CFST), comprise the flat batten plate 1 of RC, described RC flat batten plate about 1 two ends respectively symmetry are fixedly connected with CFST post limb 2, described CFST post limb 2 comprises steel pipe 21, post limb concrete 22 has been built to form CFST post limb 2 in described steel pipe 21, at least one row is provided with by some transverse reinforcements 121 in the flat batten plate of described RC 1, the steel mesh reinforcement 12 for power transmission and structure that longitudinal reinforcement 122 is staggered, described steel mesh reinforcement 12 near the two ends, left and right of CFST post limb 2 respectively symmetry be fixedly connected with shear connector 3, described shear connector 3 is fixedly connected with the periphery wall of steel pipe 21 through structure connector 4, batten plate concrete 13 is built to form the flat batten plate 1 of RC in batten plate template 11.Described steel mesh reinforcement 12 is arranged in the flat batten plate 1 of RC, is welded and fixed with one end of the steel plate 311 in shear connector 3 simultaneously, strengthens the power transmission of CFST post limb 2 and the flat batten plate 1 of RC; Intensity and the quantity of described transverse reinforcement 121, longitudinal reinforcement 122 meet structure demand; Described structure connector 4, except fixing shear connector 3, can locate batten plate template 11 simultaneously.
In the present embodiment, described shear connector 3 adopts PBL connector 31, described PBL connector 31 comprises at least one steel plate 311 axially arranged along CFST post limb 2, described steel plate 311 is welded and fixed near one end of the flat batten plate 1 of RC and steel mesh reinforcement 12, described steel plate 311 is welded and fixed away from one end of the flat batten plate 1 of RC and the periphery wall of steel pipe 21, each steel plate 311 is laid with some through holes 312, described steel plate 311 is vertically equipped with and somely runs through reinforcing bar 313.
In the present embodiment, two extreme ends of the every root transverse reinforcement 121 on every placing of reinforcement net 12 be symmetrically welded respectively be fixed on described steel plate 311 medial surface on, the described reinforcing bar 313 of running through, through after steel plate 311, constructs at its two extreme ends the inner side that connector 41, second constructs connector 42 respectively and is welded and fixed with first.According to actual conditions, single or double steel mesh reinforcement 12 is set in batten plate template 11, be parallel to each other between every placing of reinforcement net 12, two extreme ends of every placing of reinforcement net 12 are welded on the steel plate 311 of PBL connector 31 respectively, and steel plate 311 quantity of PBL connector 31 is identical with steel mesh reinforcement 12 row.
In the present embodiment, in the present embodiment, structure connector 4 comprises states the first structure connector 41, second structure connector 42, and described first structure connector 41, second constructs connector 42 and all adopts steel disc, and described steel disc is welded and fixed away from the one end and steel pipe 21 periphery wall running through reinforcing bar 313.
In the present embodiment, described batten plate template 11 is wooden model or punching block, and described batten plate template 11 needs to remove in the later stage.
In the present embodiment, the flat batten plate 1 of described RC, shear connector 3, structure connector 4 are all axially interrupted layout at a certain distance along CFST post limb 2; Described steel pipe 21, shear connector 3, steel mesh reinforcement 12, structure connector 4 form the skeleton of lattice column structure jointly, effectively strengthen the shear stiffness of CFST-RC flat batten plate lattice column structure.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (7)
1. a CFST-RC flat batten plate lattice column structure, is characterized in that: comprise the flat batten plate of RC, and two ends, described RC flat batten plate left and right respectively symmetry are fixedly connected with CFST post limb, and the flat batten plate of described RC and CFST post limb junction are provided with shear connector.
2. CFST-RC according to claim 1 flat batten plate lattice column structure, it is characterized in that: described CFST post limb comprises steel pipe, concrete has been built in described steel pipe, the steel mesh reinforcement for power transmission and structure that at least one row is interlocked by some transverse reinforcements, longitudinal reinforcement is provided with in the flat batten plate of described RC, described shear connector is arranged at the left and right two ends of steel mesh reinforcement near CFST post limb, and described shear connector is fixedly connected with the periphery wall of steel pipe through structure connector.
3. CFST-RC according to claim 2 flat batten plate lattice column structure, it is characterized in that: described shear connector is PBL connector, described PBL connector comprises at least one steel plate axially arranged along CFST post limb, described steel plate is welded and fixed near one end of the flat batten plate of RC and steel mesh reinforcement, described steel plate is welded and fixed away from one end of the flat batten plate of RC and the periphery wall of steel pipe, each steel plate is laid with some through holes, described steel plate is vertically equipped with and somely runs through reinforcing bar.
4. CFST-RC according to claim 3 flat batten plate lattice column structure, is characterized in that: two extreme ends of every root transverse reinforcement that every placing of reinforcement is online be symmetrically welded respectively be fixed on described steel plate medial surface on.
5. CFST-RC according to claim 3 flat batten plate lattice column structure, it is characterized in that: described structure connector comprises the first structure connector, the second structure connector that are arranged at steel plate both sides, the described reinforcing bar that runs through, through after steel plate, constructs connector with first respectively at its two extreme ends, the second inner side constructing connector is welded and fixed.
6. CFST-RC according to claim 5 flat batten plate lattice column structure, is characterized in that: described first structure connector, the second structure connector are steel disc, and described steel disc is welded and fixed away from the one end and steel pipe periphery wall running through reinforcing bar.
7. CFST-RC according to claim 1 flat batten plate lattice column structure, is characterized in that: the flat batten plate of described RC, shear connector, structure connector are axially interrupted layout along CFST post limb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577379.2U CN204826409U (en) | 2015-08-04 | 2015-08-04 | Flat batten plate lattice column structure of CFST -RC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577379.2U CN204826409U (en) | 2015-08-04 | 2015-08-04 | Flat batten plate lattice column structure of CFST -RC |
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| CN204826409U true CN204826409U (en) | 2015-12-02 |
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| CN201520577379.2U Expired - Fee Related CN204826409U (en) | 2015-08-04 | 2015-08-04 | Flat batten plate lattice column structure of CFST -RC |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133788A (en) * | 2015-08-04 | 2015-12-09 | 福州大学 | CFST-RC horizontal batten plate-lattice column structure and construction method thereof |
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2015
- 2015-08-04 CN CN201520577379.2U patent/CN204826409U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133788A (en) * | 2015-08-04 | 2015-12-09 | 福州大学 | CFST-RC horizontal batten plate-lattice column structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180804 |