CN105804255B - Precast concrete beam and composite steel tube concrete column assembling structure and its construction method - Google Patents
Precast concrete beam and composite steel tube concrete column assembling structure and its construction method Download PDFInfo
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- CN105804255B CN105804255B CN201610326205.8A CN201610326205A CN105804255B CN 105804255 B CN105804255 B CN 105804255B CN 201610326205 A CN201610326205 A CN 201610326205A CN 105804255 B CN105804255 B CN 105804255B
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- steel pipe
- connecting plate
- concrete
- interior
- outer steel
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Classifications
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Abstract
Precast concrete beam and composite steel tube concrete column assembling structure and its construction method, composite steel tube concrete column include interior steel pipe, outer steel pipe；There is sandwich concrete between interior steel pipe and outer steel pipe；Inner tube connecting plate is set on interior steel pipe, and the inner tube connecting plate is provided with multiple bolts hole；Outer steel pipe includes top outer steel pipe and bottom outer steel pipe；The bottom of top outer steel pipe opens up hole, the assembling for precast concrete beam；Precast concrete beam includes prefabricated reinforced concrete, pre-buried beam-ends steel pipe；The centrally disposed beam-ends connecting plate of pre-buried beam-ends steel pipe, the periphery of pre-buried beam-ends steel pipe set multiple longitudinal reinforcements；Beam-ends connecting plate is provided with multiple bolts hole；The periphery of longitudinal reinforcement sets stirrup；Longitudinal reinforcement is vertically bent up in beam-ends, is anchored in sandwich concrete；Inner tube connecting plate and beam-ends connecting plate are locked and connected by multiple bolts.High capacity of the present invention, rigidity is big, anti-earthquake ductility is good.
Description
【Technical field】
The invention belongs to prefabricated construction technical field in civil engineering, and in particular to a kind of precast concrete beam and
The assembling structure and its construction method of composite steel tube concrete column.
【Background technology】
Traditional cast-in-place construction mode industrialization degree is low, and execution conditions are poor, waste time and energy, and is unfavorable for energy-conserving and environment-protective, quality
Common fault is difficult to eradicate, security incident also happens occasionally.It can be saved, economized on water using prefabricated construction, saving material, significantly subtracted
Few building waste, noise pollution is reduced, reduce labour's dosage and intensity, be effectively improved construction environment, improve construction quality.
Conventional steel bar concrete beam is connected with the node majority of steel core concrete column using reinforcing bar circulating type, and scene needs to pacify
Decking, reinforcing bar colligation simultaneously connect, complex procedures, constructional difficulties；Node point connection sectional dimension is larger.Steel core concrete column connects
Connect in node assembling and mainly connected with girder steel, junction uses end plate and bolt, and post outside fastener for connection, under load action outside
Drum song easily occurs for steel pipe, and node coupling stiffness is weaker, and bearing capacity and globality are also poor.Still lack in engineering at present prefabricated mixed
Solidifying Tu Liang and steel core concrete column attachment structure, the connection for precast concrete beam and composite steel tube concrete column are even more to lack
It is few.
【The content of the invention】
One of technical problems to be solved by the invention are to provide that a kind of high capacity, rigidity are big, anti-earthquake ductility is good
The assembling structure of precast concrete beam and composite steel tube concrete column.
The two of the technical problems to be solved by the invention are to provide that a kind of high capacity, rigidity are big, anti-earthquake ductility is good
The construction method of the assembling structure of precast concrete beam and composite steel tube concrete column.
What one of the technical problem to be solved in the present invention was realized in：
A kind of assembling structure of precast concrete beam and composite steel tube concrete column, the composite steel tube concrete column include
Interior steel pipe, outer steel pipe；There is sandwich concrete between the interior steel pipe and the outer steel pipe；Inner tube is set to connect on the interior steel pipe
Fishplate bar, the inner tube connecting plate are provided with multiple bolts hole；The outer steel pipe includes top outer steel pipe and bottom outer steel pipe；On described
The bottom of portion's outer steel pipe opens up hole, the assembling for the precast concrete beam；
The precast concrete beam includes prefabricated reinforced concrete, pre-buried beam-ends steel pipe；In the pre-buried beam-ends steel pipe
The heart sets beam-ends connecting plate, and the periphery of the pre-buried beam-ends steel pipe sets multiple longitudinal reinforcements；The beam-ends connecting plate is provided with
Multiple bolts hole；The periphery of the longitudinal reinforcement sets stirrup；The longitudinal reinforcement is vertically bent up in beam-ends, is anchored at the folder
In layer concrete；
Said inner tube connecting plate and the beam-ends connecting plate are locked and connected by multiple bolts.
Further, there is interior layer concrete in the interior steel pipe.
Further, the interior steel pipe and the outer steel pipe are rectangular steel tube, the side of the interior steel pipe and the outer steel
The side of pipe forms 45 degree of angles；Said inner tube connecting plate is arranged at the corner of the interior steel pipe.
Further, the outer steel pipe and the beam-ends steel pipe use carbon steel, stainless steel or refractory steel.
What the second technical problem to be solved by the present invention was realized in：
A kind of construction method of the assembling structure of precast concrete beam and composite steel tube concrete column, comprises the following steps：
Step 1：It is interior first in the pre-processed interior steel pipe of processing factory, the top outer steel pipe and bottom outer steel pipe of outer steel pipe
Pipe connecting plate and beam-ends connecting plate set bolt hole in design attitude, and inner tube connecting plate is welded on into interior steel pipe by design height
Corner, beam-ends connecting plate and beam-ends steel pipe are embedded in the end of prefabricated reinforced concrete；
Step 2：Steel pipe and bottom outer steel pipe sling precast concrete beam, beam-ends steel pipe are put in design attitude in installation
Put in the outer steel pipe of bottom；
Step 3：The bolt hole of beam-ends connecting plate and inner tube connecting plate is aligned, blending bolt connection；
Step 4：Top outer steel pipe is placed, then welds beam-ends steel pipe, top outer steel pipe, bottom outer steel pipe；
Step 5：Sandwich concrete is filled between interior steel pipe and outer steel pipe, and is filled up in beam-ends steel pipe.
Further, in the step 5, in addition to：Layer concrete is in interior steel duct in filling, so as to form solid knot
Structure.
The advantage of the invention is that：The precast concrete beam of the present invention and the assembling structure of composite steel tube concrete column are real
Realize strong column and weak beam, the aseismatic design concept of the weak component of strong node.High capacity, rigidity are big, anti-earthquake ductility is good, globality is excellent
More, easy for construction and construction quality is good, provides operative constraint, beam-ends plastic hinge to concrete.
【Brief description of the drawings】
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is precast concrete beam and composite steel tube concrete column assembling structure schematic perspective view of the present invention.
Fig. 2 is precast concrete beam and composite steel tube concrete column assembling structure profile of the present invention.
Fig. 3 is composite steel tube concrete column schematic perspective view of the present invention (removing top outer steel pipe).
Fig. 4 is the top outer steel pipe stereogram of the present invention.
Fig. 5 is the precast concrete beam stereogram of the present invention.
Fig. 6 is the internal structure stereogram of precast concrete beam of the present invention (removing beam-ends steel pipe).
Fig. 7 is precast concrete beam and clad steel tubing string connection diagram of the present invention (removing top outer steel pipe).
Label in figure：
1-interior steel pipe；2-outer steel pipe；21-top outer steel pipe；22-bottom outer steel pipe；3-beam-ends steel pipe；4-prefabricated
Armored concrete；5-inner tube connecting plate；6-beam-ends connecting plate；7-longitudinal reinforcement；8-stirrup；9-sandwich concrete；10—
Interior layer concrete；11-bolt hole；12-bolt；100-composite steel tube concrete column；300-precast concrete beam.
【Embodiment】
As shown in Figures 1 to 7, a kind of assembling structure of precast concrete beam and composite steel tube concrete column, it is described compound
Steel core concrete column 100 includes interior steel pipe 1, outer steel pipe 2；There is sandwich concrete between the interior steel pipe 1 and the outer steel pipe 2
9, the interior inside of steel pipe 1 is interior layer concrete 10；The precast concrete beam 300 includes prefabricated reinforced concrete 4, pre-buried beam-ends steel
Pipe 3；The centrally disposed beam-ends connecting plate 6 of the pre-buried beam-ends steel pipe 3, the periphery of the pre-buried beam-ends steel pipe 3 set multiple indulge
To reinforcing bar 7；The beam-ends connecting plate 6 is provided with multiple bolts hole 11；The periphery of the longitudinal reinforcement 7 sets stirrup 8；It is described vertical
Vertically bend up, be anchored in the sandwich concrete 10 in beam-ends to reinforcing bar 7.
The interior steel pipe 1 and the outer steel pipe 2 are rectangular steel tube, the interior steel pipe 1 while with the outer steel pipe 2 while
Form 45 degree of angles；The corner of the interior steel pipe 1 sets inner tube connecting plate 5, and the inner tube connecting plate 5 is provided with multiple bolts hole 11；
The outer steel pipe 2 includes top outer steel pipe 21 and bottom outer steel pipe 22；The bottom of the top outer steel pipe 21 opens up hole, uses
In the assembling of the precast concrete beam 300.
During assembling, inner tube connecting plate 5 and beam-ends connecting plate 6 are locked and connected by multiple bolts 12.
Outer steel pipe 2 and beam-ends steel pipe 3 use carbon steel, stainless steel or refractory steel.
As depicted in figs. 1 and 2, a kind of assembling structure of precast concrete beam and composite steel tube concrete column, the assembling knot
Structure is made up of composite steel tube concrete column 100, the connection of precast concrete beam 300.Composite steel tube concrete column 100 includes interior steel pipe
1st, outer steel pipe 2, sandwich concrete 9 and interior layer concrete 10；Precast concrete beam 300 includes prefabricated reinforced concrete 4, pre-buried beam
Hold steel pipe 3 and beam-ends connecting plate 6.
As shown in figure 3, wherein interior steel pipe 1 uses square-section steel pipe, interior steel pipe 1 forms 45 degree of angles while with outer steel pipe 2,
45 degree of angles are also formed with the length direction of precast concrete beam 300.The interior corner of steel pipe 1 sets inner tube connecting plate 5 in height of node, interior
Pipe connecting plate 5 sets bolt hole 11.Outer steel pipe 2 uses square-section steel pipe, and outer steel pipe 2 is by steel outside top outer steel pipe 21 and bottom
Pipe 22 forms, and the bottom of top outer steel pipe 21 opens up the hole consistent with the size of beam-ends steel pipe 3, as shown in figure 4, bottom outer steel pipe 22
Top it is concordant with the outermost bottom surface of beam-ends steel pipe 3.
As shown in Figure 5 and Figure 6, prefabricated reinforced concrete 4 configures longitudinal reinforcement 7 and stirrup 8, longitudinal reinforcement 7 erect in beam-ends
To bending up, it is anchored in post sandwich concrete 9.Beam-ends connecting plate 6 sets bolt hole 11, is embedded in prefabricated reinforced concrete 4,
It is connected with inner tube connecting plate 5 using bolt 12.Beam-ends steel pipe 3 is square-section, is embedded in the end of precast concrete beam 300, with
The outer steel pipe 2 of composite steel tube concrete column 100 is welded to connect.
As shown in fig. 7, complete after-pouring post concrete, interlayer coagulation in all steel pipes and the connection of precast concrete beam 300
Soil 9 is filled between interior steel pipe 1 and outer steel pipe 2, and interior layer concrete 10 is filled into inside interior steel pipe 1, so as to form solid construction,
The sandwich concrete 9 poured can be filled up in beam-ends steel pipe 3.Interior layer concrete 10 can also be not filled to inside interior steel pipe 1, so as to
Form hollow-core construction.
In the present invention, outer steel pipe 2 and beam-ends steel pipe 3 can use carbon steel, stainless steel or refractory steel.
In the present invention, sandwich concrete 9 and interior layer concrete 10 can use normal concrete, high-strength concrete, high-performance
Concrete, regenerated aggregate concrete or lightweight aggregate concrete.
The precast concrete beam of the present invention and the construction method of composite steel tube concrete column assembling structure, enter according to the following steps
OK：
Step 1, first in the pre-processed interior steel pipe 1 of processing factory, the top outer steel pipe 21 and bottom outer steel pipe of outer steel pipe 2
22, inner tube connecting plate 5 and beam-ends connecting plate 6 set bolt hole 11 in design attitude, and inner tube connecting plate 5 is welded by design height
In the interior corner of steel pipe 1, beam-ends connecting plate 6 and beam-ends steel pipe 3 are embedded in the end of prefabricated reinforced concrete 4.
Steel pipe 1 and bottom outer steel pipe 22 sling precast concrete beam 300, by beam-ends in design attitude in step 2, installation
Steel pipe 3 is shelved in bottom outer steel pipe 22.
Step 3, the bolt hole 11 of beam-ends connecting plate 6 and inner tube connecting plate 5 is aligned, blending bolt 12 connects.
Step 4, top outer steel pipe 21 is placed, beam-ends steel pipe 3, top outer steel pipe 21, bottom outer steel pipe 22 are welded.
Step 5, filling sandwich concrete 9 are filled up in beam-ends steel pipe 3 between interior steel pipe 1 and outer steel pipe 2, in filling
Layer concrete 10 is inside interior steel pipe 1, so as to form solid construction, interior layer concrete 10 can also be not filled with, so as to form sky
Core structure.
A kind of precast concrete beam of the present invention connects with composite steel tube concrete column, interior steel pipe 1 shape while with outer steel pipe 2
Into 45 degree, i.e., the interior side of steel pipe 1 forms 45 degree of angles with the length direction of precast concrete beam 300, and inner tube connecting plate 5 is located at interior steel pipe 1
Corner, it is connected with beam-ends connecting plate 6, node bending rigidity greatly improves, and is easy to pouring for sandwich concrete 9；The interior steel of post
Pipe 1 penetrates at node, ensure that the bearing capacity and globality of post；The pre-buried beam-ends steel pipe 3 in the end of precast concrete beam 300,
Operative constraint of the beam end concrete by beam-ends steel pipe 3 so that beam-ends plastic hinge, improve ductility and the power consumption of node
Ability；Scene uses bolt 12, while need not increase template, convenient and quick construction without assembling reinforcement again in assembled connection；
The setting of inner tube connecting plate 5, beam-ends connecting plate 6, bolt 12 strengthens the bonding of sandwich concrete 9 and interior steel pipe 1, globality
It is good；Beam longitudinal reinforcement 7 is bent up in end, is anchored in sandwich concrete 9, and connection integrity and anti-seismic performance are good.The present invention's
Precast concrete beam-composite steel tube concrete column connection is truly realized the Aseismic Design reason of strong column and weak beam, the weak component of strong node
Read.
The preferable implementation use-case of the present invention is the foregoing is only, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement for being made etc., it should be included in the present invention's
Within protection domain.
Claims (6)
1. the assembling structure of precast concrete beam and composite steel tube concrete column, it is characterised in that：
The composite steel tube concrete column includes interior steel pipe, outer steel pipe；There is interlayer between the interior steel pipe and the outer steel pipe
Concrete；Inner tube connecting plate is set on the interior steel pipe, and the inner tube connecting plate is provided with multiple bolts hole；The outer steel pipe includes
Top outer steel pipe and bottom outer steel pipe；The bottom of the top outer steel pipe opens up hole, for the precast concrete beam
Assembling；
The precast concrete beam includes prefabricated reinforced concrete, pre-buried beam-ends steel pipe；The center of the pre-buried beam-ends steel pipe is set
Beam-ends connecting plate is put, the periphery of the pre-buried beam-ends steel pipe sets multiple longitudinal reinforcements；The beam-ends connecting plate is provided with multiple
Bolt hole；The periphery of the longitudinal reinforcement sets stirrup；The longitudinal reinforcement is vertically bent up in beam-ends, is anchored at the interlayer and is mixed
In solidifying soil；
Said inner tube connecting plate and the beam-ends connecting plate are locked and connected by multiple bolts.
2. the assembling structure of precast concrete beam as claimed in claim 1 and composite steel tube concrete column, it is characterised in that：Institute
Stating in interior steel pipe has interior layer concrete.
3. the assembling structure of precast concrete beam as claimed in claim 1 and composite steel tube concrete column, it is characterised in that：Institute
It is rectangular steel tube to state interior steel pipe and the outer steel pipe, the interior steel pipe while with the outer steel pipe while form 45 degree of angles；Institute
State the corner that inner tube connecting plate is arranged at the interior steel pipe.
4. the assembling structure of precast concrete beam as claimed in claim 1 and composite steel tube concrete column, it is characterised in that：Institute
State outer steel pipe and the beam-ends steel pipe and use carbon steel, stainless steel or refractory steel.
5. the implementation of the assembling structure of precast concrete beam as claimed in claim 1 and composite steel tube concrete column, its
It is characterised by：Comprise the following steps：
Step 1：Connect first in the pre-processed interior steel pipe of processing factory, the top outer steel pipe and bottom outer steel pipe of outer steel pipe, inner tube
Fishplate bar and beam-ends connecting plate set bolt hole in design attitude, and inner tube connecting plate is welded on to the angle of interior steel pipe by design height
Portion, beam-ends connecting plate and beam-ends steel pipe are embedded in the end of prefabricated reinforced concrete；
Step 2：Steel pipe and bottom outer steel pipe sling precast concrete beam, beam-ends steel pipe are shelved in design attitude in installation
In the outer steel pipe of bottom；
Step 3：The bolt hole of beam-ends connecting plate and inner tube connecting plate is aligned, blending bolt connection；
Step 4：Top outer steel pipe is placed, then welds beam-ends steel pipe, top outer steel pipe, bottom outer steel pipe；
Step 5：Sandwich concrete is filled between interior steel pipe and outer steel pipe, and is filled up in beam-ends steel pipe.
A kind of 6. embodiment party of the assembling structure of precast concrete beam and composite steel tube concrete column as claimed in claim 5
Method, it is characterised in that：
In the step 5, in addition to：Layer concrete is in interior steel duct in filling, so as to form solid construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610326205.8A CN105804255B (en) | 2016-05-17 | 2016-05-17 | Precast concrete beam and composite steel tube concrete column assembling structure and its construction method |
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|---|---|---|---|
| CN201610326205.8A CN105804255B (en) | 2016-05-17 | 2016-05-17 | Precast concrete beam and composite steel tube concrete column assembling structure and its construction method |
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| CN105804255A CN105804255A (en) | 2016-07-27 |
| CN105804255B true CN105804255B (en) | 2018-02-23 |
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| CN107060091A (en) * | 2017-03-07 | 2017-08-18 | 北京市第三建筑工程有限公司 | Full prefabricated PC concrete frame and construction method |
| CN107514061A (en) * | 2017-08-23 | 2017-12-26 | 青岛理工大学 | The double sleeve splicing nodes of square-outside and round-inside steel pipe and its construction method |
| CN108487453B (en) * | 2018-03-14 | 2023-12-05 | 安徽工程大学 | Connecting structure and connecting method for steel tube concrete column and reinforced concrete beam |
| CN108824653B (en) * | 2018-08-30 | 2023-11-28 | 福州大学 | Right-angle hexagonal steel pipe concrete corner column-steel beam node structure and construction method thereof |
| CN109881776A (en) * | 2019-02-26 | 2019-06-14 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | A kind of assembling prefabricated reinforced concrete tubular column structure and construction method |
| CN113073736A (en) * | 2021-03-11 | 2021-07-06 | 广州大学 | Assembled beam column connected node |
| CN113006292B (en) * | 2021-03-26 | 2023-02-07 | 渝建建筑科技集团有限公司 | Node of steel pipe concrete column |
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