CN108625477A - A kind of assembled beam-column node and its construction method - Google Patents
A kind of assembled beam-column node and its construction method Download PDFInfo
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- CN108625477A CN108625477A CN201810242073.XA CN201810242073A CN108625477A CN 108625477 A CN108625477 A CN 108625477A CN 201810242073 A CN201810242073 A CN 201810242073A CN 108625477 A CN108625477 A CN 108625477A
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- prefabricated post
- buried
- prefabricated
- precast beam
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- 238000010276 construction Methods 0.000 title claims abstract description 32
- 239000002131 composite material Substances 0.000 claims abstract description 76
- 239000011440 grout Substances 0.000 claims abstract description 72
- 210000003205 muscle Anatomy 0.000 claims abstract description 56
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 38
- 239000004567 concrete Substances 0.000 claims abstract description 26
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000009415 formwork Methods 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 13
- 239000008267 milk Substances 0.000 claims description 13
- 210000004080 milk Anatomy 0.000 claims description 13
- 235000013336 milk Nutrition 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 5
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- 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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- 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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4142—Elements with sockets with transverse hook- or loop-receiving parts
-
- 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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The present invention relates to a kind of assembled beam-column node and its construction methods, make prefabricated post and precast beam or composite beam in advance first, then the two is connected and fixed at the scene by grout sleeve and mortar etc., forms assembled beam-column node reasonable for structure, easy for construction.The invention avoids bind joint core region reinforcing bar and rear pouring concrete at the construction field (site), the construction quality that ensure that assembled beam-column joint cores can conveniently and efficiently get up the vertical muscle of stress in precast beam or composite beam with the bar connecting in prefabricated post after prefabricated beam column in-site installation is in place.
Description
Technical field
The present invention relates to construction engineering technical fields, and in particular to a kind of assembled beam-column node and its construction method
Background technology
Assembled architecture is high with industrialization degree, it is fast etc. excellent to save material, environmental protection, convenient and quick construction and investment repayment
Point is one of the structure type given priority in China's Process of Housing Industrialization.Assembled architecture batch production degree is very high, component
It is prefabricated in special precast plant, it is assembled, is similar to " playing with building blocks " by being transported to scene after scientific and reasonable maintenance
Assembly model.Structural integrity is one of most important measurement index of assembled architecture durability, therefore the key of its technology
Point is the connection between each component.
The connection type of assembled beam-column node mainly has at present：Steel plate welding, bolt, prestressing force connection and joint core
Pouring concrete behind area, however there are some problem and shortage in these methods.It is poor that the welding of its light plate connect ductility with prestressing force,
Brittle break easily occurs；Be bolted to it is relatively flexible and easy-maintaining when dismounting, but since the number of components is relatively more, whole weight
Amount and cost also increase therewith, and stress is excessive vulnerable；This connection type of pouring concrete is needed existing behind joint cores
Field carries out the construction technologies such as binding node area reinforcing bar, formwork supporting plate, and situ wet operation is more and is not easy to ensure prefabricated bean column node core
The construction quality of heart district.
Therefore, it is necessary to research and develop a kind of assembled beam-column node reasonable for structure, easy for construction, if the joint core region
It is prefabricated in the factory in advance and can be directly connected to install at the scene, then can effectively shorten the construction period, ensure construction quality.
Invention content
It is an object of the invention to overcome drawbacks described above of the existing technology, a kind of new assembled beam-column node is provided
And its construction method.Compared with after-pouring concrete, the avoidable joint cores reinforcing bar of binding at the construction field (site) of the present invention,
After pour joint cores concrete, abolished the processes such as field node area formwork supporting plate, reduced cost of labor, effectively raise
The quality of connection in node area.To achieve the above object, the technical solution adopted in the present invention is as follows：
A kind of assembled beam-column node, including prefabricated post, connection reinforcing bar, mortar joint or rear pouring concrete, precast beam or
Composite beam；
Gap between prefabricated post and precast beam is filled by mortar joint, composite beam top and its seam between prefabricated post
Gap passes through after-pouring Concrete Filled；
Prefabricated post and the connection type of precast beam are：Anchor bar in prefabricated post passes through pre-buried II types grout sleeve, company
Connect reinforcing bar, pre-buried I types grout sleeve is indulged muscle with the precast beam in precast beam and is connected and fixed；
Prefabricated post and the connection type of composite beam are：The prefabricated post embedded bar of prefabricated post internal upper part is filled by pre-buried II types
Slurry sleeve is connected and fixed with the precast beam upper longitudinal bar in composite beam, and the anchor bar of lower part is filled by pre-buried II types in prefabricated post
Slurry sleeve, connection reinforcing bar, pre-buried I types grout sleeve in composite beam precast beam lower part indulge muscle be connected and fixed, i.e., prefabricated post and
Composite beam is connected and fixed by two ways, the prefabricated post embedded bar-precast beam upper longitudinal bar on top and the anchoring steel of lower part
Indulge muscle in muscle-connection reinforcing bar-precast beam lower part；
It is perfused in pre-buried I types grout sleeve and pre-buried II types grout sleeve and forms grouting material.
Preferably, the prefabricated post embedded bar of prefabricated post internal upper part is connected with the precast beam upper longitudinal bar in composite beam by sleeve
It connects and is changed to weld, the length of weld seam is equivalent to 10 times of precast beam upper longitudinal bar diameter.
In said program, the length of pre-buried I type grout sleeve be precast beam indulge muscle diameter (including precast beam upper longitudinal bar and
Indulge muscle in precast beam lower part) 21 times, the length of pre-buried II type grout sleeve is 14 times that precast beam indulges muscle diameter, connects reinforcing bar
Length is 14 times that precast beam indulges muscle diameter.
In said program, the pre-buried I type grout sleeve and pre-buried II type grout sleeve are that full grout sleeve or half are in the milk
Sleeve is connected with Grouting Pipe or discharge pipe thereon, and grouting material used is High Performance Cement Without Shrinkage grouting material in sleeve, and intensity is not
Less than 80MPa.
In said program, it is additionally provided in the column of stretching composite beam in precast beam or column in prefabricated post, it is pre- in the column
Composite beam and prefabricated post are prefabricated integral in beam or column processed, the end of composite beam and precast beam or overlapping in precast beam or column in column
Beam forms bean column node according to connection type above-mentioned.
Further, the precast beam or composite beam beam that composite beam extension elongation is 1.5 times in precast beam or column in the column
It is high.
A kind of construction method of assembled beam-column node, includes the following steps：
(a) making of prefabricated post
Prefabricated post is indulged into muscle and the binding of prefabricated column tie-bar into formwork supporting plate after steel reinforcement cage, pre-buried II type grout sleeve is fixed on
In template, the anchor bar with rubber stopper is inserted into pre-buried II type grout sleeve, after casting concrete reaches prescribed strength
Form removal obtains prefabricated post；
Or muscle and the binding of prefabricated column tie-bar are indulged into formwork supporting plate after steel reinforcement cage in prefabricated post lower part, pre-buried II type is in the milk and is covered
Cylinder is fixed in template, the anchor bar with rubber stopper is inserted into pre-buried II type grout sleeve, in prefabricated post upper longitudinal bar
The prefabricated post embedded bar for being pierced by template is arranged in position, and form removal obtains prefabricated post after casting concrete reaches prescribed strength；
(b) making of precast beam or composite beam
Precast beam with rubber stopper is indulged muscle to be inserted into prefabricated I type grout sleeve, precast beam is indulged into muscle and precast beam hoop
Muscle is bound into formwork supporting plate after steel reinforcement cage, pre-buried I type grout sleeve is fixed in template, after casting concrete reaches prescribed strength
Form removal obtains precast beam；
Or muscle is indulged into the precast beam lower part with rubber stopper and is inserted into pre-buried I type grout sleeve, then by its with it is prefabricated
Beam upper longitudinal bar, the binding of prefabricated beam stirrup are fixed at formwork supporting plate after steel reinforcement cage, then by pre-buried I type grout sleeve in template, are poured
It builds concrete and reaches form removal after prescribed strength and obtain composite beam (precast beam upper longitudinal bar is exposed at this time and does not have connector sleeve
Cylinder is not poured into inside cement)；
(c) site operation
By the upright simultaneously fixation of prefabricated post, position and the distance of prefabricated post and precast beam are adjusted, in the pre- of precast beam
It buries in I type grout sleeve and is put into connection reinforcing bar, it is mobile until connection that pre-buried II type grouting set of the reinforcing bar into prefabricated post will be connected
Reinforcing bar contacts or spaced apart with anchor bar, blocks embedded sleeve barrel and is simultaneously in the milk, finally fills prefabricated post with mortar joint
Gap between precast beam；
Or by the upright simultaneously fixation of prefabricated post, position and the distance of prefabricated post and composite beam are adjusted, in composite beam
Pre-buried I type grout sleeve in be put into connection reinforcing bar, pre-buried II types grout sleeve is inserted in the precast beam upper longitudinal bar of composite beam,
Pre-buried II type of the reinforcing bar into prefabricated post will be connected and be in the milk set movement until connection reinforcing bar is contacted or is spaced with anchor bar centainly
Distance, by the pre-buried II type grout sleeve on composite beam to the movement of prefabricated post embedded bar direction until the reinforcing bar on sleeve both sides
(precast beam upper longitudinal bar and prefabricated post embedded bar) is approximately equal in length, and is blocked embedded sleeve barrel and is in the milk, finally pours coagulation
Soil.
In said program, the prefabricated post embedded bar in step (c) in prefabricated post and the precast beam top in composite beam are vertical
Connection between muscle is changed to weld by pre-buried II type grout sleeve, and subsequent technique is constant, and the length of weld seam is equivalent to 10 times pre-
Beam upper longitudinal bar diameter processed.
In said program, it is additionally provided in the column of stretching composite beam in precast beam or column in prefabricated post, it is pre- in the column
Composite beam and prefabricated post are prefabricated integral in beam or column processed, and composite beam extension elongation is 1.5 times pre- in precast beam or column in column
Beam or composite beam deck-molding processed, the end of composite beam forms bean column node with precast beam or composite beam in precast beam or column in column.
Compared with prior art, the invention has the advantages that：(1) making of prefabricated post and precast beam or composite beam
It can fulfil ahead of schedule, avoid binding joint core region reinforcing bar at the construction field (site) and carry out larger rear pouring concrete operation,
It can guarantee the construction quality of assembled beam-column joint cores；It (2) can be conveniently and efficiently after prefabricated beam column in-site installation is in place
Stress in precast beam or composite beam is indulged muscle with the bar connecting in prefabricated post to get up.
Description of the drawings
Fig. 1-3 be respectively the structural schematic diagram of I type assembled beam-column nodes in the embodiment of the present invention 1, A-A to sectional view,
B-B direction sectional view；
Fig. 4-6 be respectively the structural schematic diagram of II type assembled beam-column nodes in the embodiment of the present invention 2, A-A to sectional view,
B-B direction sectional view；
Fig. 7-9 is respectively the structural schematic diagram of type III assembled beam-column node in the embodiment of the present invention 3, A-A to section
Figure, B-B direction sectional view；
Figure 10-12 is respectively the structural schematic diagram of IV type assembled beam-column nodes in the embodiment of the present invention 4, A-A to section
Figure, B-B direction sectional view；
Figure 13-15 is respectively the structural schematic diagram of V-type assembled beam-column node in the embodiment of the present invention 5, A-A to section
Figure, B-B direction sectional view；
Figure 16-18 is respectively the structural schematic diagram of VI type assembled beam-column nodes in the embodiment of the present invention 6, A-A to section
Figure, B-B direction sectional view.
In figure, I type assembled beam-column nodes of 1-, II type assembled beam-column nodes of 2-, III type assembled beam-column nodes of 3-, 4-
IV type assembled beam-column node, V type assembled beam-column nodes of 5-, VI type assembled beam-column nodes of 6-, 7- prefabricated posts, 8- are prefabricated
Beam, the pre-buried I type grout sleeves of 9-, 10- connection reinforcing bars, 11- grouting materials, the pre-buried II type grout sleeves of 12-, 13- anchor bars,
14- prefabricated posts indulge muscle, the prefabricated column tie-bars of 15-, and 16- precast beams indulge muscle, the prefabricated beam stirrups of 17-, 18- mortar joints, 19- Grouting Pipes
Or discharge pipe, 20- composite beams, pouring concrete after 21-, 22- prefabricated post embedded bars, 23- weld seams.
Specific implementation mode
To make those of ordinary skill in the art fully understand technical scheme of the present invention and advantageous effect, below in conjunction with specific
Embodiment and attached drawing are further described.
Pre-buried I type grout sleeve used in the present invention and pre-buried II type grout sleeve are selected from full grout sleeve or half grouting
Sleeve is connected with Grouting Pipe or discharge pipe thereon, and grouting material used is High Performance Cement Without Shrinkage grouting material in sleeve, and intensity is not
Less than 80MPa.The length of pre-buried I type grout sleeve is 21 times that precast beam indulges muscle diameter, the length of pre-buried II type grout sleeve
Indulge muscle diameter for precast beam 14 times, the length for connecting reinforcing bar are 14 times that precast beam indulges muscle diameter.
Embodiment 1
A kind of I types assembled beam-column node as shown in Figs. 1-3, construction method are as follows：
1) making of prefabricated post 7
Prefabricated post is indulged into muscle 14 and the binding of prefabricated column tie-bar 15 into steel reinforcement cage and formwork supporting plate first.It is in the milk and covers in pre-buried II type
The anchor bar 13 with rubber stopper is inserted into one end of cylinder 12, and the other end port of sleeve is concordant with the side of prefabricated post 7 and fixed
In on prefabricated pillar forms, guarantee sleeve indulges muscle 16 point-blank with the precast beam in precast beam 8, then casting concrete,
Can dismantle template after prescribed strength to be achieved.
2) making of precast beam 8
The precast beam with rubber stopper is indulged into muscle 16 first and is inserted into certain length in pre-buried I type grout sleeve 9, then by it
With the binding of prefabricated beam stirrup 17 at steel reinforcement cage and formwork supporting plate, then the other end of pre-buried I type grout sleeve 9 is fixed and beam-ends mould
On plate, last casting concrete, can dismantle after prescribed strength to be achieved template.
3) site operation
By the upright simultaneously fixation of prefabricated post 7, connection reinforcing bar 10 is put into the pre-buried I type grout sleeve 9 in precast beam 8
And it is secured using scaffold support, so that connection reinforcing bar 10 is moved into pre-buried II type grout sleeve 12 with hand or tool, until
Connection reinforcing bar 10 is in contact with anchor bar 13 or at a distance of 10mm, and grout sleeve is blocked with adhesive plaster or rubber stopper.In prefabricated post 7
Mortar joint 18 is inserted in gap between precast beam 8, and grouting material 11 is passed through into Grouting Pipe or plasma discharge using pressure grouting machine
Pipe 19 pours into pre-buried I type grout sleeve 9 and pre-buried II type grout sleeve 12.
Embodiment 2
A kind of II types assembled beam-column node as Figure 4-Figure 6, construction method are as follows：
1) making of prefabricated post 7
Prefabricated post is indulged into muscle 14 and the binding of prefabricated column tie-bar 15 into steel reinforcement cage and formwork supporting plate first.It is in the milk and covers in pre-buried II type
The anchor bar 13 with rubber stopper is inserted into one end of cylinder 12, and the other end of sleeve is fixed on the prefabricated post mould with precast beam in column
On plate (length that precast beam stretches out in column is equivalent to 1.5 times of 8 deck-molding of precast beam), ensure sleeve with it is prefabricated in precast beam 8
Beam indulges muscle 16 point-blank, then casting concrete, and can dismantle template after prescribed strength to be achieved.
2) making of precast beam 8
It is identical as the production method of precast beam 8 in embodiment 1.
3) site operation
It is identical as component on site construction method in embodiment 1.
Only precast beam, principle are identical in the node region of prefabricated post devises column for the present embodiment.
Embodiment 3
A kind of type III assembled beam-column node as Figure 7-9, construction method are as follows：
1) making of prefabricated post 7
Prefabricated post is indulged into muscle 14 and the binding of prefabricated column tie-bar 15 into steel reinforcement cage and formwork supporting plate first.It is in the milk and covers in pre-buried II type
The anchor bar 13 with rubber stopper is inserted into one end of cylinder 12, and the other end port of sleeve is concordant with the side of prefabricated post 7 and fixed
On prefabricated pillar forms, ensure that sleeve indulges muscle 16 (indulging muscle in lower part) point-blank with the precast beam in composite beam 20.It will be pre-
Column embedded bar 22 processed passes through template, it is made to indulge muscle 16 (upper longitudinal bar) point-blank with the precast beam in composite beam 20,
Then casting concrete, can dismantle after prescribed strength to be achieved template.
2) making of composite beam 20
The precast beam with rubber stopper is indulged into muscle 16 (indulging muscle in lower part) first and is inserted into a fixed length in pre-buried I type grout sleeve 9
Then degree binds itself and prefabricated beam stirrup 17 at steel reinforcement cage and formwork supporting plate.The other end of pre-buried I type grout sleeve 9 is fixed
In beam-ends template, casting concrete, can dismantle after prescribed strength to be achieved template.The precast beam of thus obtained composite beam 20
Vertical muscle 16 (upper longitudinal bar) is exposed outside, convenient for live after-pouring concrete.
3) site operation
By the upright simultaneously fixation of prefabricated post 7.It is put into connection reinforcing bar in pre-buried I type grout sleeve 9 in composite beam 20
10, precast beam in composite beam 20 indulges 16 (upper longitudinal bar) one end of muscle and is inserted in pre-buried II type grout sleeve 12 and with scaffold branch
Support is secured.Make to move in pre-buried II type grout sleeve 12 of the connection reinforcing bar 10 into prefabricated post 7 with hand or tool, until connection
Reinforcing bar 10 is in contact with anchor bar 13 or at a distance of 10mm, and grout sleeve is blocked with adhesive plaster or rubber stopper.With hand or tool
Make precast beam indulge the pre-buried II type grout sleeve 12 being socketed on muscle 16 (upper longitudinal bar) to move to 22 direction of prefabricated post embedded bar,
Until reinforcing bar equal length in both sides in sleeve, finally the sleeve both ends are blocked with rubber stopper.Coagulation is poured after being poured on composite beam
Grouting material 11 is finally poured into pre-buried I type grout sleeve 9 and pre- by soil 21 using pressure grouting machine by Grouting Pipe or discharge pipe 19
It buries in II type grout sleeve 12.
Precast beam is only changed to composite beam by the present embodiment, and principle is identical.
Embodiment 4
A kind of IV types assembled beam-column node as shown in figs. 10-12, construction method are as follows：
1) making of prefabricated post 7
Prefabricated post is indulged into muscle 14 and the binding of prefabricated column tie-bar 15 into steel reinforcement cage and formwork supporting plate first.It is in the milk and covers in pre-buried II type
The anchor bar 13 with rubber stopper is inserted into one end of cylinder 12, the other end port of sleeve be fixed on in column composite beam it is prefabricated
On column template (length that composite beam stretches out in column is equivalent to 1.5 times of 20 deck-molding of composite beam), it is ensured that in sleeve and composite beam 20
Precast beam indulge muscle 16 (indulging muscle in lower part) point-blank.Prefabricated post embedded bar 22 is passed through into template, it is ensured that itself and overlapping
Precast beam in beam 20 indulges muscle 16 (upper longitudinal bar) point-blank.Last casting concrete, can after prescribed strength to be achieved
It dismantles template.
2) making of composite beam 20
It is identical as the preparation method of composite beam 20 in embodiment 3.
3) site operation
It is identical as the component on site construction method in embodiment 3.
The present embodiment only overlaps in the node region of prefabricated post devises column, and principle is identical.
Embodiment 5
A kind of V-type assembled beam-column node as illustrated in figs. 13-15, construction method are as follows：
1) making of prefabricated post 7
It is identical as the preparation method of prefabricated post 7 in embodiment 3.
2) making of composite beam 20
It is identical as the preparation method of composite beam 20 in embodiment 3.
3) site operation
It is essentially identical with the component on site construction method in embodiment 3, the difference is that：Precast beam in composite beam 20 is indulged
The connection between prefabricated post embedded bar 22 in muscle 16 and prefabricated post 7 is changed to overlap welding by pre-buried II type grout sleeve 12
It connects, fusion length is equivalent to 10 times of precast beam upper longitudinal bar diameter.
The precast beam in composite beam 20 in embodiment 3 is only indulged muscle for the present embodiment and the prefabricated post in prefabricated post is pre-buried
The connection type of reinforcing bar is changed to weld, and principle is identical.
Embodiment 6
A kind of VI types assembled beam-column node as shown in figs. 16-18, construction method are as follows：
1) making of prefabricated post 7
It is identical as the preparation method of prefabricated post 7 in embodiment 4.
2) making of composite beam 20
It is identical as the preparation method of prefabricated post 7 in embodiment 4.
3) site operation
It is essentially identical with the component on site construction method in embodiment 4, the difference is that：Precast beam in composite beam 20 is indulged
The connection between prefabricated post embedded bar 22 in muscle 16 and prefabricated post 7 is changed to overlap joint welding by pre-buried II type grout sleeve 12,
Fusion length is equivalent to 10 times of precast beam upper longitudinal bar diameter.
The precast beam in composite beam 20 in embodiment 4 is only indulged muscle for the present embodiment and the prefabricated post in prefabricated post is pre-buried
The connection type of reinforcing bar is changed to weld, and principle is identical.
Claims (9)
1. a kind of assembled beam-column node, which is characterized in that the assembled beam-column node includes prefabricated post, connection reinforcing bar, connects
Seam mortar or rear pouring concrete, precast beam or composite beam, the wherein gap between prefabricated post and precast beam are filled by mortar joint,
Gap between composite beam top and composite beam and prefabricated post passes through after-pouring Concrete Filled；
Prefabricated post and the connection type of precast beam are：Anchor bar in prefabricated post passes through pre-buried II types grout sleeve, connection steel
Muscle, pre-buried I types grout sleeve are indulged muscle with the precast beam in precast beam and are connected and fixed；
Prefabricated post and the connection type of composite beam are：The prefabricated post embedded bar of prefabricated post internal upper part is in the milk by pre-buried II types to be covered
Cylinder is connected and fixed with the precast beam upper longitudinal bar in composite beam, and the anchor bar of lower part is in the milk by pre-buried II types and is covered in prefabricated post
Cylinder, connection reinforcing bar, pre-buried I types grout sleeve are indulged muscle with the precast beam lower part in composite beam and are connected and fixed；
It is perfused in pre-buried I types grout sleeve and pre-buried II types grout sleeve and forms grouting material.
2. a kind of assembled beam-column node as described in claim 1, it is characterised in that：The prefabricated post of prefabricated post internal upper part is pre-buried
For reinforcing bar with the precast beam upper longitudinal bar in composite beam by being welded and fixed, the precast beam top that the length of weld seam is equivalent to 10 times is vertical
Muscle diameter.
3. a kind of assembled beam-column node as described in claim 1, it is characterised in that：The length of pre-buried I type grout sleeve is
Precast beam indulges 21 times of muscle diameter, and the length of pre-buried II type grout sleeve is 14 times that precast beam indulges muscle diameter, connects reinforcing bar
Length is 14 times that precast beam indulges muscle diameter.
4. a kind of assembled beam-column node as described in claim 1, it is characterised in that：The pre-buried I type grout sleeve and pre-
It is full grout sleeve or half grout sleeve to bury II type grout sleeve, is connected with Grouting Pipe or discharge pipe thereon, filling used in sleeve
Slurry is High Performance Cement Without Shrinkage grouting material, and intensity is not less than 80MPa.
5. a kind of assembled beam-column node as described in claim 1, it is characterised in that：Stretching is additionally provided in prefabricated post
Composite beam in precast beam or column in column, composite beam and prefabricated post are prefabricated integral in precast beam or column in the column, prefabricated in column
The end of composite beam forms bean column node with precast beam or composite beam in beam or column.
6. a kind of assembled beam-column node as claimed in claim 5, it is characterised in that：It is overlapped in precast beam or column in the column
The precast beam or composite beam deck-molding that beam extension elongation is 1.5 times.
7. the construction method of any one of the claim 1-6 assembled beam-column nodes, which is characterized in that include the following steps：
(a) making of prefabricated post
Prefabricated post is indulged into muscle and the binding of prefabricated column tie-bar into formwork supporting plate after steel reinforcement cage, pre-buried II type grout sleeve is fixed on template
On, the anchor bar with rubber stopper is inserted into pre-buried II type grout sleeve, casting concrete is removed after reaching prescribed strength
Template obtains prefabricated post；
Or muscle and the binding of prefabricated column tie-bar are indulged into formwork supporting plate after steel reinforcement cage in prefabricated post lower part, pre-buried II type grout sleeve is consolidated
It is scheduled in template, the anchor bar with rubber stopper is inserted into pre-buried II type grout sleeve, in prefabricated post upper longitudinal bar position
The prefabricated post embedded bar for being pierced by template is set, and form removal obtains prefabricated post after casting concrete reaches prescribed strength；
(b) making of precast beam or composite beam
Precast beam with rubber stopper is indulged muscle to be inserted into prefabricated I type grout sleeve, precast beam is indulged into muscle and is tied up with prefabricated beam stirrup
It is bundled into formwork supporting plate after steel reinforcement cage, pre-buried I type grout sleeve is fixed in template, casting concrete is removed after reaching prescribed strength
Template obtains precast beam；
Or muscle is indulged into the precast beam lower part with rubber stopper and is inserted into pre-buried I type grout sleeve, then by its on precast beam
Portion indulges muscle, the binding of prefabricated beam stirrup is fixed at formwork supporting plate after steel reinforcement cage, then by pre-buried I type grout sleeve in template, pours mixed
Form removal obtains composite beam after solidifying soil reaches prescribed strength；
(c) site operation
By the upright simultaneously fixation of prefabricated post, position and the distance of prefabricated post and precast beam are adjusted, in pre-buried I type of precast beam
Connection reinforcing bar is put into grout sleeve, will connect pre-buried II type grouting set of the reinforcing bar into prefabricated post it is mobile until connection reinforcing bar with
Anchor bar contacts or spaced apart, blocks embedded sleeve barrel and is simultaneously in the milk, finally fills prefabricated post and prefabricated with mortar joint
Gap between beam；
Or by the upright simultaneously fixation of prefabricated post, position and the distance of prefabricated post and composite beam are adjusted, in the pre- of composite beam
It buries in I type grout sleeve and is put into connection reinforcing bar, pre-buried II types grout sleeve is inserted in the precast beam upper longitudinal bar of composite beam, it will even
Connect that pre-buried II type grouting set of the reinforcing bar into prefabricated post is mobile until connection reinforcing bar contacts or spaced apart with anchor bar,
By the pre-buried II type grout sleeve on composite beam to the movement of prefabricated post embedded bar direction until the reinforcing bar length on sleeve both sides is close
Patibhaga-nimitta etc. blocks embedded sleeve barrel and is in the milk, last casting concrete.
8. a kind of construction method of assembled beam-column node as claimed in claim 7, it is characterised in that：It is prefabricated in step (c)
The connection between precast beam upper longitudinal bar in prefabricated post embedded bar in column and composite beam is changed by pre-buried II type grout sleeve
For welding, the length of weld seam is equivalent to 10 times of precast beam upper longitudinal bar diameter.
9. a kind of construction method of assembled beam-column node as claimed in claim 7, it is characterised in that：It is also set in prefabricated post
It is equipped in the column of stretching composite beam in precast beam or column, composite beam is prefabricated into one with prefabricated post in precast beam or column in the column
Body, the precast beam or composite beam deck-molding that composite beam extension elongation is 1.5 times in precast beam or column in column, in column in precast beam or column
The end of composite beam forms bean column node with precast beam or composite beam.
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| CN201810242073.XA CN108625477A (en) | 2018-03-22 | 2018-03-22 | A kind of assembled beam-column node and its construction method |
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| CN115354759A (en) * | 2022-07-26 | 2022-11-18 | 中国航空规划设计研究总院有限公司 | Connecting joint of prefabricated steel reinforced concrete column and prefabricated reinforced concrete beam and construction method |
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