CN208763209U - Assembled monolithic concrete frame structure with beam end connections - Google Patents
Assembled monolithic concrete frame structure with beam end connections Download PDFInfo
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- CN208763209U CN208763209U CN201821075449.4U CN201821075449U CN208763209U CN 208763209 U CN208763209 U CN 208763209U CN 201821075449 U CN201821075449 U CN 201821075449U CN 208763209 U CN208763209 U CN 208763209U
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Abstract
本实用新型的一种梁端连接的装配整体式混凝土框架结构，包括预制梁和预制柱，在预制柱的连接节点两侧设置抗剪键和多个闭合钢筋环；预制梁端部设置混凝土抗剪键，预制梁端部纵向设置多个闭合U型钢筋，预制梁端的闭合U型钢筋和预制柱的闭合钢筋环交叉搭接或均匀间隔布置，在连接部位设置预制梁的箍筋，并在连接部位浇筑混凝土。本实用新型通过设计预制梁柱构件连接的位置和构造措施，有效解决现有技术存在的问题，同时大大降低施工难度。
The utility model relates to an assembled integral concrete frame structure with beam ends connected, comprising prefabricated beams and prefabricated columns, shear keys and multiple closed steel bars are arranged on both sides of the connection nodes of the prefabricated columns; Shear keys, multiple closed U-shaped steel bars are arranged longitudinally at the end of the prefabricated beam, the closed U-shaped steel bars at the end of the prefabricated beam and the closed steel bars of the prefabricated column are cross-lapped or evenly spaced, and the stirrups of the prefabricated beam are arranged at the connection parts, and the Concrete is poured at the joints. The utility model effectively solves the problems existing in the prior art by designing the positions and structural measures for the connection of the prefabricated beam-column components, and at the same time greatly reduces the construction difficulty.
Description
Technical field
The utility model relates to brick or concrete duct field, the assembled integral concrete frame knot of specifically a kind of beam-ends connection
Structure.
Background technique
China puts into effect multinomial policy to promote the development of building industrialization, to meet the requirement of sustainable development at present.Dress
With formula concrete frame structure as a kind of structure type having a large capacity and a wide range, large-scale popularization application in practical projects, according to dress
Requirement with formula bean column node mechanical property the cast-in-place bean column node and the cast-in-place bean column node such as non-such as can be divided into, wait cast-in-place assembly
Formula bean column node is otherwise known as assembled integral bean column node, is received simultaneously gradually by vast design and construction first-line staff and society
It promotes and applies.Production and site operation of the assembly concrete frame structure in order to facilitate prefabricated components, generally respectively by coagulation
Earth pillar and beam are at the construction field (site) taken prefabricated beam column component in beam column node core area domain respectively as prefabricated components by reinforcing bar
It connects and is attached with rear pouring concrete, which splits rationally, easily designed to apply
Work can greatly reduce the template and casting concrete workload of construction site.But this kind of connection type is needed in bean column node
Nucleus arrangement connection reinforcing bar and after-pouring concrete, since the vertical muscle of the two sides precast beam of bean column node core part does not connect
Pass through, and prefabricated post joint core region position there are conjunction old and new concret face, this is by strong influence assembled coagulation
The performance of native bean column node, moreover, because the stress in beam column node core area domain is complicated, undertake moment of flexure and shearing reassignment and
Transmitting, especially in the application in middle high-intensity earthquake region, design concept if not being able to satisfy " Qiang Jiedian, weak component ", general
The overall performance and anti-seismic performance of assembled integral concrete frame structure can be seriously affected, it is serious to hinder assembly concrete knot
Popularization and application of the structure in China.
Utility model content
Purpose of utility model: in order to overcome the deficiencies in the prior art, the utility model provides a kind of beam-ends connection
Assembled integral concrete frame structure.
Technical solution: in order to solve the above technical problems, the assembled integral coagulation that a kind of beam-ends of the utility model connects
Shear key and multiple closure reinforcing bars is arranged in the connecting node two sides of prefabricated post in native frame structure, including precast beam and prefabricated post
Ring；Anti-shear concrete key, the prefabricated longitudinally disposed multiple closure U-shaped steel muscle of beam end is arranged in prefabricated beam end, and prefabricated beam-ends closes
Closure reinforced steel bar ring cross-lapping or the uniform intervals arrangement for closing U-shaped steel muscle and prefabricated post, in the hoop of connecting portion setting precast beam
Muscle, and in connecting portion casting concrete.
Wherein, prefabricated post is multilayer prefabricated post or single layer prefabricated post.
Wherein, the length that respectively closure reinforced steel bar ring stretches out prefabricated post side is not less than 1.5-2 times of prefabricated deck-molding, is respectively closed reinforcing bar
Ring is bent to form by one whole reinforcing bar, and the overlapping part for being closed reinforced steel bar ring is set in prefabricated post.
Wherein, precast beam is composite beam, and reinforcing bar should be folded upward at by lower rebar and form close ring on beam at this time.
Wherein, the closure U-shaped steel muscle of prefabricated beam end is closed at middle part by the bending of top and the bottom reinforcing bar and forms close ring.
The utility model has the advantages that the utility model has the following beneficial effects:
By designing position and the construction measure of the connection of prefabricated beam column component, effectively solve the problems, such as it is of the existing technology,
Difficulty of construction is substantially reduced simultaneously.
Detailed description of the invention
Fig. 1 is precast beam and prefabricated post connecting portion structural map；
Fig. 2 is the joint structure figure after precast beam is connected with prefabricated post；
Fig. 3 is precast beam lifting construction plan view；
Fig. 4 precast beam and prefabricated post connection structure diagram；
Fig. 5 is precast beam lifting construction stereochemical structure front view；
Fig. 6 precast beam and prefabricated column connected node construct stereochemical structure schematic elevation view；
Fig. 7 precast beam and prefabricated column connected node construct stereochemical structure side view.
In figure: 1- prefabricated post, 2- precast beam, 3- closure reinforced steel bar ring, 4- shear key, 5- shear key, 6- are closed U-shaped steel muscle,
7- precast beam and prefabricated post join domain, 8- precast beam overlapping layers, 9- stirrup, 10- precast beam lifting construction direction.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in figs. 1-7, the assembled integral concrete frame structure of a kind of beam-ends connection of the utility model, including it is pre-
Shear key 4,1 node of prefabricated post is arranged at the precast concrete position of the beam column nucleus of prefabricated post 1 in column 1 and precast beam 2 processed
The closure reinforced steel bar ring 3 of nucleus stretching connection；Agent on crack resistance of concrete can be arranged for overlapping beam, 2 end of precast beam in precast beam 2
Key 5 is cut, the end upper and lower level arrangement of reinforcement of precast beam 2 is configured according to design requirement, and is formed docking after the bending of the reinforcing bar of upper and lower level
It is closed U-shaped steel muscle 6, the connection reinforcing bar as prefabricated beam-ends connecting portion；In construction, the lifting construction from top to bottom of precast beam 2,
By 3 cross-lapping of closure reinforced steel bar ring or the uniform intervals arrangement of the closure U-shaped reinforcing bar 6 of precast beam 2 and prefabricated post 1, then even
Stirrup 9 is arranged in socket part position scene, and then casting concrete completes construction.Prefabricated post 1 can be multilayer prefabricated post or single layer prefabricated post,
The full casting concrete of prefabricated post 1.
The length for being closed the stretching of reinforced steel bar ring 31 side of prefabricated post is high not less than 1.5 times of precast beams 2, when prefabricated beam span is larger
When, i.e., span-depth radio is larger, and when being greater than 1/12,3 length of closure reinforced steel bar ring of stretching is not less than 2 times of prefabricated deck-moldings；It is closed reinforced steel bar ring 3
It is bent to form by one whole reinforcing bar, and the overlapping part of reinforcing bar close ring, is arranged in the position of joint core region, is set to pre-
In column 1 processed.When the required connection area of reinforcement is larger to use the double-deck arrangement of reinforcement, reinforced steel bar ring is closed in settable inside and outside two traps, at this point,
The length for being closed reinforced steel bar ring should be by the length computation of inner ring reinforcing bar.
For convenience of the construction of floor, precast beam 2 is designed as overlapping beam, is closed U-shaped steel muscle 6 on precast beam 2 at this time and answers
It is folded upward at by lower rebar and forms close ring, if you do not need to top and the bottom reinforcing bar can be bent to form to closure U using composite beam
Steel bar 6.The top and the bottom reinforcing bar of 2 end of precast beam should meet the design requirement of bearing capacity, when the area of reinforcement of top and the bottom reinforcing bar
When close, the form of symmetric reinforcement is preferably used, when the area of reinforcement difference of top and the bottom reinforcing bar is larger, should adjust and select reinforcing bar
Diameter guarantees that the radical of top and the bottom reinforcing bar is identical.When the top and the bottom reinforcing bar area of reinforcement is larger, the form of boundling arrangement of reinforcement is preferably used
To facilitate the lifting construction of prefabricated components.When top and the bottom number of steel bars is more, when precast beam 2 is using the double-deck arrangement of reinforcement, inside and outside setting
The reinforced steel bar ring that two traps are closed, at this point, the length of closure U-shaped steel muscle should be the length by inner ring reinforcing bar.
It is lifted when precast beam 2 and prefabricated post 1 need to be transported to construction site after prefabricated components complete according to design,
The lifting construction and setting temporary support of prefabricated post 1 are first carried out, then hoisting prefabricated beam 2 from top to bottom, by 2 end of precast beam
The closure reinforced steel bar ring 3 for being closed U-shaped steel muscle 6 and prefabricated post 1 is arranged in a crossed manner, and the form of arrangement can be the two overlap joint or uniform intervals cloth
It sets, closure U-shaped steel muscle 6 and the lateral ends for being closed reinforced steel bar ring 3 should be respectively at 3 lateral distance 20mm of prefabricated post 1 and precast beam.It closes
It closes U-shaped steel muscle 6 and is closed the junction setting stirrup 9 of reinforced steel bar ring 3, form of the stirrup 9 using U-stirrups, the hoop of connecting portion
Muscle should be done the encryption process, and after the completion of stirrup arrangement, the connecting portion casting concrete in 2 end of precast beam completes prefabricated components
On-site consolidation construction.Cast-in-place concrete should use the pea gravel concreten of the high grade of intensity in work progress, in work progress
At the shear key for needing vibration compacting, especially 2 end of precast beam and 1 nucleus of prefabricated post to be arranged, meanwhile, it should be specifically noted that
Closure U-shaped steel muscle 6 and closure reinforced steel bar ring 3 are not disturbed during poured in place concrete.
When construction, the lifting construction of multilayer prefabricated post is carried out first, and the connection of prefabricated post 1 is connected using column bottom grout sleeve
It connects, checks whether basis or lower floor's post reinforcing bar positioning to be connected are accurate, should adjust before construction when there is deviation before lifting construction
The connecting portion of the position of reinforcing bar, the multilayer prefabricated post in addition to bottom column is arranged at the inflection point of column, can also exist as needed
Column bottom is attached, and reliable temporary support is arranged after the completion of the construction of prefabricated post 1, meets hoisting prefabricated beam 2 and floor is applied
The requirement of working hour construction loads；After 1 installation of prefabricated post, check whether the construction quality of prefabricated post 1 and positioning are quasi-
Really, start the lifting of precast beam 2 after grouting material intensity in the connection grout sleeve of prefabricated post 1 reaches requirement.The lifting of precast beam 2
Should be as unit of layer, lifting direction is from top to down that, as shown in figure 3, precast beam lifting construction direction 10, precast beam 2 has lifted
Scaffold should be built as support at back rest bottom, considered that bean column node needs cast-in-place concrete and floor slab construction etc., need to be expired simultaneously
The requirement of the lateral construction loads of foot.When 2 lifting construction of precast beam, should especially go through ensures that 1 node region of prefabricated post stretches out
Closure reinforced steel bar ring 3 and precast beam 2 closed end U-shaped steel 6 crossover locations of muscle it is accurate, the lap of splice meets regulation and bearing capacity
It is required that while the two reinforcing bar should mutually overlap, if occurred due to factors such as design and construction without the case where overlap joint, both should protect
Spacing of reinforcement distance uniformly, should adjust reinforcement location when causing reinforcing bar to deform due to constructing in time；It is complete to 2 lifting construction of precast beam
Cheng Hou arranges stirrup 9 in closure reinforced steel bar ring 3 and 2 closed end U-shaped steel muscle of precast beam, 6 crossover location, needs to carry out stirrup herein
Encryption, stirrup encryption length should meet current design criteria to the length of beam-ends stirrup encryption length and cast-in-place join domain simultaneously
Requirement；After the completion of the construction of construction site stirrup, in connecting portion casting concrete, the coagulation local product poured is using strength grade
The pea gravel concreten of a grade higher than the concrete strength of precast beam 2 and prefabricated post 1, and the concrete poured should use ungauged regions
Or the concrete of microdilatancy, it should ensure that when casting concrete vibrates and do not disturb closure reinforced steel bar ring 3 and closure U-shaped steel muscle 6, pour mixed
Solidifying soil needs vibration compacting, at especially prefabricated Column border node and at beam-ends at shear key；After the completion of the construction of precast beam 2, carry out
Prefabricated superimposed sheet or cast-in-situ floor can be used in floor slab construction, floor, completes the construction of assembly concrete frame.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of assembled integral concrete frame structure of beam-ends connection, it is characterised in that: including precast beam and prefabricated post,
The connecting node two sides setting spill shear key of prefabricated post and multiple closure reinforced steel bar rings；Prefabricated beam end setting concrete spill is anti-
Cut key, the prefabricated longitudinally disposed multiple closure U-shaped steel muscle of beam end, the closure U-shaped steel muscle of prefabricated beam-ends and the closure steel of prefabricated post
Muscle ring cross-lapping or uniform intervals arrangement, in the stirrup of connecting portion setting precast beam, and in connecting portion casting concrete.
2. the assembled integral concrete frame structure of beam-ends connection according to claim 1, it is characterised in that: prefabricated post
For multilayer prefabricated post or single layer prefabricated post.
3. the assembled integral concrete frame structure of beam-ends connection according to claim 1, it is characterised in that: each closure
The length that reinforced steel bar ring stretches out prefabricated post side is not less than 1.5-2 times of prefabricated deck-molding, and each reinforced steel bar ring that is closed is bent by one whole reinforcing bar
It is formed, the overlapping part for being closed reinforced steel bar ring is set in prefabricated post.
4. the assembled integral concrete frame structure of beam-ends connection according to claim 1, it is characterised in that: prefabricated post
The shear key of the side of node region and beam end setting spill, rear pouring concrete is convex, pours node region after can be improved
Shear-carrying capacity.
5. the assembled integral concrete frame structure of beam-ends connection according to claim 1, it is characterised in that: precast beam
For composite beam, reinforcing bar should be folded upward at by lower rebar and form close ring on beam at this time.
6. the assembled integral concrete frame structure of beam-ends connection according to claim 1, it is characterised in that: precast beam
The closure U-shaped steel muscle of end is closed at middle part by the bending of top and the bottom reinforcing bar and forms close ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821075449.4U CN208763209U (en) | 2018-07-09 | 2018-07-09 | Assembled monolithic concrete frame structure with beam end connections |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821075449.4U CN208763209U (en) | 2018-07-09 | 2018-07-09 | Assembled monolithic concrete frame structure with beam end connections |
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| Publication Number | Publication Date |
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| CN208763209U true CN208763209U (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821075449.4U Active CN208763209U (en) | 2018-07-09 | 2018-07-09 | Assembled monolithic concrete frame structure with beam end connections |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775085A (en) * | 2018-07-09 | 2018-11-09 | 东南大学 | The assembled integral concrete frame structure and its construction method of beam-ends connection |
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2018
- 2018-07-09 CN CN201821075449.4U patent/CN208763209U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775085A (en) * | 2018-07-09 | 2018-11-09 | 东南大学 | The assembled integral concrete frame structure and its construction method of beam-ends connection |
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