CN108755964A - A kind of partial precast assembly steel reinforced concrete mixed column and construction method - Google Patents
A kind of partial precast assembly steel reinforced concrete mixed column and construction method Download PDFInfo
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- CN108755964A CN108755964A CN201810630820.7A CN201810630820A CN108755964A CN 108755964 A CN108755964 A CN 108755964A CN 201810630820 A CN201810630820 A CN 201810630820A CN 108755964 A CN108755964 A CN 108755964A
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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
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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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
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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Abstract
The present invention discloses a kind of partial precast assembly steel reinforced concrete mixed column comprising have prefabricated high performance concrete open tubular column using the cast-in-place thought of partial precast assembled portion；It is set to vertical muscle, shaped steel and the steel plate in prefabricated high performance concrete open tubular column along column length direction, light plate is set in forming cellular hollow-core construction on shaped steel；The stirrup being equidistantly laid with；It is filled in the cast-in-place concrete of prefabricated high performance concrete open tubular column center cavity；And the end plate and high-strength bolt at upper and lower part prefabricated high performance concrete open tubular column both ends are set to along column length direction；The present invention also provides its construction methods.The present invention has from heavy and light, high capacity, it is not required to internal formwork, lifting construction speed, reduce construction site Standard difficulty, the advantages that improving component deformability in transport and hoisting process simultaneously, reducing hoisting difficulty, the stress performance and performance of partial precast assembly Steel Reinforced Concrete Members are enhanced comprehensively.
Description
Technical field
The invention belongs to technical field of buildings, more particularly to a kind of partial precast assembly steel reinforced concrete mixed column and construction
Method.
Background technology
Steel reinforced concrete structure (being often translated into Steel Reinforced Concrete Structure) is also known as reinforcing bar coagulation
Soil structure or steel composite construction, abbreviation SRC structures refer in concrete configured with shaped steel and equipped with certain
The structure of longitudinal reinforcement and stirrup.Compared with steel construction, it is enclosed with armored concrete outside steel reinforced concrete structure, can significantly change
The plane torsion flexural property of kind shaped steel, while improving the durability and fire resistance of structure；Compared with reinforced concrete structure,
Steel reinforced concrete structure can effectively reduce sectional dimension and improve anti-seismic performance.Steel reinforced concrete structure with its it is superior by
Power performance and relatively low economic cost are favored by engineer.China's steel reinforced concrete structure development is swift and violent, in superelevation
The fields development and applications such as layer, large-span structure and heavy-duty industrial building are increasingly extensive, such as Guangzhou international automobile mansion, Shanghai world gold
Melt the engineerings such as big, tall building Shanghai World Financial Center of mansion, Xi'an information centre mansion, the Shanghai mansions Sen Mao, Shanghai Jin Mao to adopt
Use steel reinforced concrete structure.But steel reinforced concrete structure working procedure is various and construction connection is complicated, leads to steel reinforced concrete knot
Structure popularization and application are greatly restricted.
Invention content
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide a kind of partial precast assembly type steel reinforced concretes
Solidifying soil mixed column and construction method, using the cast-in-place thought of partial precast assembled portion, the steel reinforced concrete being prefabricated in the factory is mixed
Zygostyle can install simultaneously casting concrete in building-site, be connect with high-strength bolt with upper lower prop by end plate, also can be by high-strength
Bolt is attached with overhanging girder steel and beam, plate, is suitable for various project situation demands, construction is succinct, of low cost, performance is excellent
It is good.
To achieve the goals above, the technical solution adopted by the present invention is：
A kind of partial precast assembly steel reinforced concrete mixed column, which is characterized in that including：
Prefabricated high performance concrete open tubular column 1；
It is set to the vertical muscle 2 in prefabricated high performance concrete open tubular column 1 along column length direction；
It is set to the shaped steel 3 in prefabricated high performance concrete open tubular column 1 along column length direction；
The steel plate 4 being set to along column length direction on the shaped steel 3 in prefabricated high performance concrete open tubular column 1；
The stirrup 5 being equidistantly layed on prefabricated 1 cross section of high performance concrete open tubular column, wherein vertical muscle 2 and shaped steel 3 are equal
Among the encirclement of stirrup 5；
It is filled in the cast-in-place concrete 6 of the center cavity in prefabricated high performance concrete open tubular column 1；
It is set to the end plate 7 of prefabricated 1 upper and lower ends of high performance concrete open tubular column；
And
The high-strength bolt 8 for connecting contiguous prefabricated high performance concrete open tubular column 1 being set on end plate 7.
The shaped steel 3 is I-steel, or is staggeredly made of in cross two I-steel.
The shaped steel 3 stretches out the both ends of prefabricated high performance concrete open tubular column 1 on column length direction.
The steel plate 4 is arranged in along column length direction on shaped steel 3 by welding manner, forms the cellular hollow-core construction of annular.
The stirrup 5 is welding compound stirrup or continuous helical high-strength stirrup.
Concrete used by the cast-in-place normal concrete 6 is normal concrete, regeneration concrete, lightweight aggregate coagulation
Soil, rubber concrete, sound absorption concrete or thermal-insulating concrete.
The end plate 7 is welded on the shaped steel 3 and steel plate 4 of stretching, is connected by welding and high-strength bolt 8.
The present invention also provides the construction methods that the partial precast assembles steel reinforced concrete mixed column, and steps are as follows：
1), in factory, steel plate 4 is arranged in along column length direction on shaped steel 3 by welding manner, forms the cellular sky of annular
Core structure；End plate 7 is welded on the cellular hollow-core construction both ends of annular that shaped steel 3 is formed with steel plate 4；In steel plate 4 and 3 shape of shaped steel
At the cellular hollow-core construction of annular on the outside of formwork pour high performance concrete open tubular column 1, be placed into vertical muscle 2 and stirrup 5, complete
Pre-erection；
2), at the scene, prefabricated high performance concrete of the installation with vertical muscle 2, shaped steel 3, steel plate 4, stirrup 5 and end plate 7 is empty
Stem 1；By the end plate 7 for being set to prefabricated 1 lower end of high performance concrete open tubular column in top and it is set to the prefabricated high-performance in lower part and mixes
The end plate 7 of 1 upper end of solidifying soil open tubular column, is connected by welding and high-strength bolt 8；
3) it, at the scene, is poured into the cellular cavity at prefabricated 1 center of high performance concrete open tubular column in lower part cast-in-place common
Concrete 6 forms steel reinforced concrete mixed column；
4), at the scene, end plate 7 is directly connected to by welding and high-strength bolt 8 with coupled column or steel column；Pass through overhanging steel
Beam is attached with high-strength bolt and girder steel.
Compared with prior art, the beneficial effects of the invention are as follows：
1) work progress is easy.Partial precast assembly steel reinforced concrete mixed column each section, which is prefabricated in the factory, have been produced
At, and shaped steel forms the cellular hollow-core construction of annular with steel plate, eliminates during pouring high performance concrete open tubular column
Internal formwork step.In building site, prefabricated upper and lower column is connected by the welding and high-strength bolt of end plate first, then pours
The boring part for building lower part high performance concrete open tubular column, that is, form steel reinforced concrete mixed column.By by pre-erection
End plate and node or steel column connect by open pore steel plate welding and high-strength bolt, that is, complete steel reinforced concrete mixed column and construct to pacify
Dress.Compared with traditional profile steel concrete column construction and installation, scene does not have to prop up temporarily under assembling reinforcement, formwork, form removal and erection column
Support.Through rationally designing, the construction and installation of steel reinforced concrete mixed column will be same as steel column convenient and quick, and workability will greatly
It improves.
2) construction quality is excellent.In the construction of traditional profile steel concrete column, since profile steel concrete column working procedure is more, applies
Work difficulty is big, reinforcing bar dislocation etc. in poor concrete vibrating in steel reinforced concrete column web, Concrete intensity insufficient and column often occurs
Quality problems, construction quality are not easy to control.And in partial precast assembles steel reinforced concrete mixed column, high performance concrete is hollow
Column is prefabrication, and concreting vibrates convenient and steam curing can be used, and concrete construction quality is easily controllable, especially
When for using high performance concrete, partial precast assembles steel reinforced concrete mixed column, and advantage is more in terms of quality control on construction
Obviously.
3) bearing capacity is promoted with comprehensive function.Steel reinforced concrete mixed column lower part stress large area has poured in column general
Logical concrete, the cellular hollow-core construction of annular that shaped steel is formed with steel plate can generate hoop constraint power to core space concrete,
Prefabricated high performance concrete open tubular column can generate hoop constraint power to internal shaped steel, and the steel plate of interior welds takes part in holding for column
Weight, while lateral restriction is provided for shaped steel, to which the bearing capacity of pillar be greatly improved；Internal shaped steel is welded with steel plate
It connects to form the cellular hollow-core construction of annular, eliminates inside formwork step in the construction process, and can effectively mitigate structure
Dead weight, improves the overall performance and anti-seismic performance of structure；It can be in pre-erection using high in steel reinforced concrete mixed column
Performance concrete, cast-in-place part use regular tenacity concrete, the two strength grade of concrete can be different.Therefore, in reality
In engineer application, floorslab concrete concrete strength can not be limited when selecting in by column, select the various types of different characteristics
Concrete, effective lift structure use functional requirement.Such as the cast-in-place part concrete for steel reinforced concrete mixed column, it can be with
Using regeneration concrete come the energy that economizes on resources；Lightweight aggregate concrete can also be used and mitigate dead weight；Rubber concrete may be used
Or sound absorption concrete improves shock-absorption sound-insulation effect；Thermal-insulating concrete may be used and improve heat-insulating property.
Generally speaking, partial precast assembles steel reinforced concrete mixed column compared with traditional profile steel concrete column, simplifies and applies
Work process and difficulty of construction can effectively solve to restrict the crucial problem that traditional profile steel concrete column promotes and applies for a long time, and energy
It gives full play to and effectively promotes traditional profile steel concrete column in the side such as stress performance, endurance quality, fire resistance and economic performance
The significant advantage in face can be widely applied in all kinds of armored concrete and steel building, especially suitable Super High, greatly across knot
Structure and heavy-duty industrial building.Therefore, further investigation is carried out to promote its popularization to partial precast assembly steel reinforced concrete mixed column
Using great practical meaning in engineering.
Description of the drawings
Fig. 1 is the structural schematic diagram of partial precast assembly steel reinforced concrete mixed column of the present invention.
Fig. 2 is the front elevation view of partial precast assembly steel reinforced concrete mixed column of the present invention.
Fig. 3 is partial precast assembly steel reinforced concrete mixed column A-A diagrammatic cross-sections of the present invention
Fig. 4 is partial precast assembly steel reinforced concrete mixed column B-B diagrammatic cross-sections of the present invention.
Fig. 5 is partial precast assembly steel reinforced concrete mixed column C-C diagrammatic cross-sections of the present invention.
Fig. 6 is partial precast assembly steel reinforced concrete mixed column trepanning end plate schematic cross-section of the present invention.
Fig. 7 is the connection diagram of partial precast assembly steel reinforced concrete mixed column and girder steel of the present invention.
Specific implementation mode
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and examples.
Partial precast of the present invention assembles steel reinforced concrete mixed column, using the cast-in-place thought of partial precast assembled portion, by
Pre-erection and cast-in-place part composition, as shown in Figures 1 to 5, including：
Prefabricated high performance concrete open tubular column 1；It is set to along column length direction vertical in prefabricated high performance concrete open tubular column 1
Muscle 2；It is set to the shaped steel 3 in prefabricated high performance concrete open tubular column 1 along column length direction；It is set to prefabricated high property along column length direction
The steel plate 4 on shaped steel 3 in energy concrete hollow column 1；It is equidistantly layed on prefabricated 1 cross section of high performance concrete open tubular column
Stirrup 5, wherein vertical muscle 2 and shaped steel 3 are respectively positioned among the encirclement of stirrup 5；It is filled in prefabricated high performance concrete open tubular column 1
Center cavity cast-in-place concrete 6；It is set to the end plate 7 at prefabricated 1 both ends of high performance concrete open tubular column；And it is set to
High-strength bolt 8 on end plate 7.Wherein, prefabricated high performance concrete open tubular column 1, vertical muscle 2, shaped steel 3, steel plate 4, stirrup 5 and end plate
7 composition pre-erections, and cast-in-place part is mainly cast-in-place concrete 6.
Wherein, shaped steel 3 is staggeredly made of two I-steel in cross, and shaped steel 3 stretches out prefabricated high-performance on column length direction
The both ends of concrete hollow column 1, steel plate 4 are arranged in along column length direction on shaped steel 3 by welding manner, form the cellular sky of annular
Core structure.Stirrup 5 is welding compound stirrup or continuous helical high-strength stirrup.Concrete root used by cast-in-place normal concrete 6
According to different demands can be normal concrete, regeneration concrete, lightweight aggregate concrete, rubber concrete, sound absorption concrete or
Thermal-insulating concrete.End plate 7 is trepanning end plate, is welded on the shaped steel 3 and steel plate 4 of stretching, is set to along column length direction
The end plate 7 of prefabricated 1 lower end of high performance concrete open tubular column in portion and it is set to prefabricated 1 upper end of high performance concrete open tubular column in lower part
End plate 7 is connected by welding and high-strength bolt 8.
The prefabricated high performance concrete open tubular column 1 of the present invention, vertical muscle 2, shaped steel 3, steel plate 4, stirrup 5 and end plate 7 are in factory one
Secondary property is pre-formed, obtains prefabrication and assembly construction steel reinforced concrete open tubular column.Molding prefabrication and assembly construction steel reinforced concrete open tubular column is transported
It send to construction site, upper and lower two parts end plate connection is got up by welding and high-strength bolt, pours inner concrete, formation type
Steel concrete mixed column；Again with the splicings such as column, beam.The present invention uses the thought of partial precast assembly, can get more whole
Performance.
Concrete construction method of the present invention is：
1), in factory, steel plate 4 is arranged in along column length direction on shaped steel 3 by welding manner, forms the cellular sky of annular
Core structure；End plate 7 is welded on the cellular hollow-core construction both ends of annular that shaped steel 3 is formed with steel plate 4；In steel plate 4 and 3 shape of shaped steel
At the cellular hollow-core construction of annular on the outside of formwork pour high performance concrete open tubular column 1, be placed into vertical muscle 2 and stirrup 5, complete
Pre-erection；
2), at the scene, prefabricated high performance concrete of the installation with vertical muscle 2, shaped steel 3, steel plate 4, stirrup 5 and end plate 7 is empty
Stem 1；By the end plate 7 for being set to prefabricated 1 lower end of high performance concrete open tubular column in top and it is set to the prefabricated high-performance in lower part and mixes
The end plate 7 of 1 upper end of solidifying soil open tubular column, is connected by welding and high-strength bolt 8；
3) it, at the scene, is poured into the cellular cavity at prefabricated high performance concrete open tubular column (1) center in lower part cast-in-place general
Logical concrete 6, forms steel reinforced concrete mixed column；
4), at the scene, end plate 7 is directly connected to by welding and high-strength bolt 8 with coupled column or steel column；Pass through overhanging steel
Beam is attached with high-strength bolt and girder steel.
To sum up, partial precast assembly steel reinforced concrete mixed column of the present invention uses high performance concrete, has preferable durable
Property and ductility, while prefabricated high performance concrete open tubular column can to internal shaped steel generate hoop constraint power, the steel plate of interior welds
Stress is participated in, while lateral restriction is provided for shaped steel and internal casting concrete, to increase substantially its bearing capacity,
Shaped steel and steel plate, which provide the hollow post part of prefabricated high performance concrete, certain prevents lateral destruction.
Shaped steel of the invention internal welds to form the cellular hollow-core construction of annular with steel plate, eliminates in the construction process interior
Portion's formwork step, and can effectively mitigate the dead weight of structure, the overall performance and anti-seismic performance of structure are improved, and improve component and exist
Transport and deformability in hoisting process, reduce hoisting difficulty, realize prefabricated Steel Reinforced Concrete Members stress performance and use
Performance enhances raising comprehensively, forms a kind of new and effective partial precast assembly steel reinforced concrete mixed column technology.Institute of the present invention
The partial precast assembly steel reinforced concrete mixed column technology of proposition is with easy for construction, applicability is wide, dead load is light, carrying energy
Many significant performance advantages such as power is high, anti-seismic performance is good, can be extensively using various armored concrete such as building, workshop, bridge columns
Engineering structure has wide application prospect, has important practical engineering value and economic results in society.
Claims (9)
1. a kind of partial precast assembles steel reinforced concrete mixed column, which is characterized in that including：
Prefabricated high performance concrete open tubular column (1)；
It is set to the vertical muscle (2) in prefabricated high performance concrete open tubular column (1) along column length direction；
It is set to the shaped steel (3) in prefabricated high performance concrete open tubular column (1) along column length direction；
The steel plate (4) being set to along column length direction on the shaped steel (3) in prefabricated high performance concrete open tubular column (1)；
The stirrup (5) being equidistantly layed on prefabricated high performance concrete open tubular column (1) cross section, wherein vertical muscle (2) and shaped steel
(3) it is respectively positioned among the encirclement of stirrup (5)；
It is filled in the cast-in-place concrete (6) of the center cavity in prefabricated high performance concrete open tubular column (1)；
It is set to the end plate (7) of prefabricated high performance concrete open tubular column (1) upper and lower ends；
And
The high-strength bolt (8) for connecting contiguous prefabricated high performance concrete open tubular column (1) being set on end plate (7).
2. partial precast assembles steel reinforced concrete mixed column according to claim 1, which is characterized in that the shaped steel (3) be
I-steel.
3. according to claim 1 partial precast assemble steel reinforced concrete mixed column, which is characterized in that the shaped steel (3) by
Two I-steel are staggeredly constituted in cross.
4. assembling steel reinforced concrete mixed column according to claims 1 or 2 or 3 partial precasts, which is characterized in that the shaped steel
(3) on column length direction, the both ends of prefabricated high performance concrete open tubular column (1) are stretched out.
5. assembling steel reinforced concrete mixed column according to claims 1 or 2 or 3 partial precasts, which is characterized in that the steel plate
(4) it is arranged on shaped steel (3) along column length direction by welding manner, forms the cellular hollow-core construction of annular.
6. partial precast assembles steel reinforced concrete mixed column according to claim 1, which is characterized in that the stirrup (5) is
Weld compound stirrup or continuous helical high-strength stirrup.
7. partial precast assembles steel reinforced concrete mixed column according to claim 1, which is characterized in that described cast-in-place common mixed
Concrete used by solidifying soil (6) is normal concrete, regeneration concrete, lightweight aggregate concrete, rubber concrete, sound absorption coagulation
Soil or thermal-insulating concrete.
8. partial precast assembles steel reinforced concrete mixed column according to claim 1, which is characterized in that end plate (7) weldering
It is connected on the shaped steel (3) and steel plate (4) of stretching, is connected by welding and high-strength bolt (8).
9. the construction method of partial precast assembly steel reinforced concrete mixed column described in claim 1, which is characterized in that step is such as
Under：
1), in factory, steel plate (4) is arranged in along column length direction on shaped steel (3) by welding manner, forms the cellular sky of annular
Core structure；End plate (7) is welded on annular cellular hollow-core construction both ends of the shaped steel (3) with steel plate (4) composition；In steel plate (4)
Formwork pours high performance concrete open tubular column (1) on the outside of the cellular hollow-core construction of annular formed with shaped steel (3), is placed into vertical muscle
(2) and stirrup (5) pre-erection, is completed；
2), at the scene, prefabricated high-performance of the installation with vertical muscle (2), shaped steel (3), steel plate (4), stirrup (5) and end plate (7) is mixed
Solidifying soil open tubular column (1)；By the end plate (7) for being set to prefabricated high performance concrete open tubular column (1) lower end in top and it is set to lower part
The end plate (7) of prefabricated high performance concrete open tubular column (1) upper end is connected by welding and high-strength bolt (8)；
3) it, at the scene, is poured into the cellular cavity at prefabricated high performance concrete open tubular column (1) center in lower part cast-in-place common mixed
Solidifying soil (6), forms steel reinforced concrete mixed column；
4), at the scene, end plate (7) is directly connected to by welding and high-strength bolt (8) with coupled column or steel column；Pass through overhanging steel
Beam is attached with high-strength bolt and girder steel.
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Cited By (5)
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| CN109208822A (en) * | 2018-11-10 | 2019-01-15 | 福建工程学院 | Pin-connected panel multi-cavity steel tube concrete column and construction method |
| CN110512799A (en) * | 2019-08-28 | 2019-11-29 | 北京工业大学 | A kind of core-added laminated column and its construction method for ground frame structures under action |
| CN111502127A (en) * | 2020-04-27 | 2020-08-07 | 三峡大学 | Upright column module for prefabricating embedded honeycomb cell structure |
| CN114718186A (en) * | 2022-03-10 | 2022-07-08 | 东南大学 | Steel reinforced concrete column-steel beam assembly type structure locally adopting ECC (error correction code) and assembly method |
| CN114809445A (en) * | 2022-04-28 | 2022-07-29 | 广东睿住住工科技有限公司 | Modular steel column installation method and modular steel column assembly |
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